diff --git a/.babelrc b/.babelrc index 2b7bafa5..1320b9a3 100644 --- a/.babelrc +++ b/.babelrc @@ -1,3 +1,3 @@ { - "presets": ["@babel/preset-env", "@babel/preset-react"] + "presets": ["@babel/preset-env"] } diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml new file mode 100644 index 00000000..1c88cb6c --- /dev/null +++ b/.github/workflows/test.yaml @@ -0,0 +1,34 @@ +name: Test +on: + pull_request: + branches: + - master + push: + branches: + - master +jobs: + test: + name: Run tests + runs-on: ${{ matrix.os }} + strategy: + matrix: + os: + - macos-latest + - ubuntu-latest + steps: + - name: Checkout branch + uses: actions/checkout@v3 + - name: Install Node.js on ${{ matrix.os }} + uses: actions/setup-node@v2 + with: + node-version-file: '.nvmrc' + cache: 'npm' + cache-dependency-path: package-lock.json + - name: Install dependencies + run: npm ci + - name: Generate coverage report + run: npm run report:coverage + - name: Send coverage report + uses: codecov/codecov-action@v3.1.1 + with: + directory: ./reports/ diff --git a/.nvmrc b/.nvmrc new file mode 100644 index 00000000..e0325e5a --- /dev/null +++ b/.nvmrc @@ -0,0 +1 @@ +v16.17.1 diff --git a/BUILD.md b/BUILD.md new file mode 100644 index 00000000..3ea93637 --- /dev/null +++ b/BUILD.md @@ -0,0 +1,22 @@ +# Build `@fabric/http` +The Fabric HTTP library exists to serve Fabric applications to the legacy web. + +We generate `assets/bundles/browser.js` from `scripts/browser.js` using the Fabric HTTP Compiler. + +## Quick Start +`npm run build` will run the build. This will generate `assets/bundles/browser.js` — the primary browser bundle for using `@fabric/http` in downstream applications. + +## The Fabric Compiler +Importing `@fabric/http/types/compiler` will enable generation of HTML-encoded single-page applications: +```js +const Compiler = require('@fabric/http/types/compiler'); +const compiler = new Compiler(); + +compiler.compileTo('example.html'); +``` + +## Maintenance +Use `npm run reports` to generate a full pre-production build. This will update any dependencies allowed by `package.json` but should ideally be none as all versions are pinned. + +## Notes +Currently, a small number of packages seem to occasionally update sub-packages in `package-lock.json` but we are seeking to prune them out. Consider submitting a Pull Request! diff --git a/README.md b/README.md index d5852f0b..74057530 100644 --- a/README.md +++ b/README.md @@ -1,4 +1,4 @@ -# `@fabric/http` +# `@fabric/http` — HTTP support for Fabric applications ![Project Status](https://img.shields.io/badge/status-experimental-rainbow.svg?style=flat-square) [![Build Status](https://img.shields.io/travis/FabricLabs/web.svg?branch=master&style=flat-square)](https://travis-ci.org/FabricLabs/web) [![Coverage Status](https://img.shields.io/codecov/c/github/FabricLabs/web.svg?style=flat-square)](https://codecov.io/gh/FabricLabs/web) diff --git a/assets/bundles/browser.js b/assets/bundles/browser.js index 697d5c29..c91cb677 100644 --- a/assets/bundles/browser.js +++ b/assets/bundles/browser.js @@ -1,6 +1,240920 @@ /******/ (() => { // webpackBootstrap -/******/ "use strict"; +/******/ var __webpack_modules__ = ({ + +/***/ "./node_modules/@fabric/core/constants.js": +/*!************************************************!*\ + !*** ./node_modules/@fabric/core/constants.js ***! + \************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; +/* + Fabric Core Constants. + --- + Author: Fabric Labs + Copyright: All Rights Reserved. + */ + + +// Dependencies +const crypto = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module 'crypto'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); + +// Networking and Environment +const PEER_PORT = 7777; +const MAX_PEERS = 32; +const PRECISION = 100; + +// Fabric Core +const FABRIC_USER_AGENT = 'Fabric/Bitcoin 0.1.0-dev (@fabric/core#v0.1.0-RC1)'; +const BITCOIN_GENESIS = '000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f'; +const BITCOIN_GENESIS_ROOT = '4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b'; +const FABRIC_KEY_DERIVATION_PATH = "m/44'/7777'/0'/0/0"; +const FIXTURE_SEED = 'abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about'; + +// Message Constants +const MAGIC_BYTES = 0xC0D3F33D; +const VERSION_NUMBER = 0x01; // 0 for development, pre-alpha, 1 for production +const HEADER_SIZE = 176; // [4], [4], [32], [32], [4], [4], [32], [64] bytes +const LARGE_COLLECTION_SIZE = 10; // TODO: test with 1,000,000 +const MAX_MESSAGE_SIZE = 4096 - HEADER_SIZE; + +// Stacks and Frames +const MAX_STACK_HEIGHT = 32; // max height of stack (number of elements) +const MAX_FRAME_SIZE = 32; // max size of a stack frame in bytes +const MAX_MEMORY_ALLOC = MAX_STACK_HEIGHT * MAX_FRAME_SIZE; +const MAX_TX_PER_BLOCK = 4; +const MAX_CHANNEL_VALUE = 100000000; + +// Machine Constraints +const MACHINE_MAX_MEMORY = MAX_MEMORY_ALLOC * MAX_MESSAGE_SIZE; +const MAX_CHAT_MESSAGE_LENGTH = 2048; + +// Playnet +const FABRIC_PLAYNET_ADDRESS = ''; // deposit address (P2TR) +const FABRIC_PLAYNET_ORIGIN = ''; // block hash of first deploy + +// FABRIC ONLY +const GENERIC_MESSAGE_TYPE = parseInt(crypto.createHash('sha256').update('@types/GenericMessage').digest('hex').slice(0, 4), 16); +const LOG_MESSAGE_TYPE = MAGIC_BYTES + parseInt(crypto.createHash('sha256').update('@types/GenericLogMessage').digest('hex').slice(0, 4), 16); +const GENERIC_LIST_TYPE = MAGIC_BYTES + parseInt(crypto.createHash('sha256').update('@types/GenericList').digest('hex').slice(0, 4), 16); +const DOCUMENT_PUBLISH_TYPE = 998; +const DOCUMENT_REQUEST_TYPE = 999; + +// Opcodes +const OP_CYCLE = '00'; +const OP_DONE = 'ff'; + +// Bitcoin +const OP_0 = '00'; +const OP_36 = '24'; +const OP_CHECKSIG = 'ac'; +const OP_DUP = '76'; +const OP_EQUAL = '87'; +const OP_SHA256 = 'a8'; +const OP_HASH160 = 'a9'; +const OP_PUSHDATA1 = '4c'; +const OP_RETURN = '6a'; +const OP_EQUALVERIFY = '88'; +const OP_SEPARATOR = 'ab'; + +// Peering +const P2P_PORT = 7777; +const P2P_GENERIC = 0x80; // 128 in decimal +const P2P_IDENT_REQUEST = 0x01; // 1, or the identity +const P2P_IDENT_RESPONSE = 0x11; +const P2P_ROOT = 0x00000000; +const P2P_PING = 0x00000012; // same ID as Lightning (18) +const P2P_PONG = 0x00000013; // same ID as Lightning (19) +const P2P_INSTRUCTION = 0x00000020; // TODO: select w/ no overlap +const P2P_START_CHAIN = 0x00000021; +const P2P_STATE_REQUEST = 0x00000029; // TODO: select w/ no overlap +const P2P_STATE_ROOT = 0x00000030; // TODO: select w/ no overlap +const P2P_BASE_MESSAGE = 0x00000031; // TODO: select w/ no overlap +const P2P_STATE_COMMITTMENT = 0x00000032; // TODO: select w/ no overlap +const P2P_STATE_CHANGE = 0x00000033; // TODO: select w/ no overlap +const P2P_TRANSACTION = 0x00000039; // TODO: select w/ no overlap +const P2P_CALL = 0x00000042; +const P2P_CHAIN_SYNC_REQUEST = 0x55; +const P2P_SESSION_ACK = 0x4200; +const P2P_MUSIG_START = 0x4220; +const P2P_MUSIG_ACCEPT = 0x4221; +const P2P_MUSIG_RECEIVE_COUNTER = 0x4222; +const P2P_MUSIG_SEND_PROPOSAL = 0x4223; +const P2P_MUSIG_REPLY_TO_PROPOSAL = 0x4224; +const P2P_MUSIG_ACCEPT_PROPOSAL = 0x4225; + +const PEER_CANDIDATE = 0x09; +// TODO: should be 0x02 for Bitcoin P2P +const BLOCK_CANDIDATE = 0x03; + +const SESSION_START = 0x02; +const CHAT_MESSAGE = 0x67; + +// Lightning +const LIGHTNING_TEST_HEADER = 'D0520C6E'; +const LIGHTNING_PROTOCOL_H_INIT = 'Noise_XK_secp256k1_ChaChaPoly_SHA256'; +const LIGHTNING_PROTOCOL_PROLOGUE = 'lightning'; + +// Lightning BMM +const LIGHTNING_BMM_HEADER = 'D0520C6E'; +const LIGHTNING_SIDECHAIN_NUM = 0xFF; // 1-byte - sidechain number + +const LIGHTNING_SIDEBLOCK_HASH = 0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000; // 32-bytes +const LIGHTNING_PARENT_SIDEBLOCK_HASH = 0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001; // 32-bytes + +const ZERO_LENGTH_PLAINTEXT = ''; + +// HTTP +const HTTP_HEADER_CONTENT_TYPE = 'application/json'; + +// CommonJS Support +module.exports = { + PEER_PORT, + MAX_PEERS, + PRECISION, + BITCOIN_GENESIS, + BITCOIN_GENESIS_ROOT, + FABRIC_KEY_DERIVATION_PATH, + FABRIC_USER_AGENT, + FIXTURE_SEED, + HEADER_SIZE, + GENERIC_MESSAGE_TYPE, + LOG_MESSAGE_TYPE, + GENERIC_LIST_TYPE, + LARGE_COLLECTION_SIZE, + BLOCK_CANDIDATE, + CHAT_MESSAGE, + ZERO_LENGTH_PLAINTEXT, + FABRIC_PLAYNET_ADDRESS, + FABRIC_PLAYNET_ORIGIN, + LIGHTNING_TEST_HEADER, + LIGHTNING_PROTOCOL_H_INIT, + LIGHTNING_PROTOCOL_PROLOGUE, + LIGHTNING_BMM_HEADER, + LIGHTNING_SIDECHAIN_NUM, + LIGHTNING_SIDEBLOCK_HASH, + LIGHTNING_PARENT_SIDEBLOCK_HASH, + HTTP_HEADER_CONTENT_TYPE, + MAGIC_BYTES, + MAX_FRAME_SIZE, + MAX_MEMORY_ALLOC, + MAX_MESSAGE_SIZE, + MAX_STACK_HEIGHT, + MAX_CHANNEL_VALUE, + MAX_CHAT_MESSAGE_LENGTH, + MAX_TX_PER_BLOCK, + MACHINE_MAX_MEMORY, + OP_CYCLE, + OP_DONE, + OP_0, + OP_36, + OP_CHECKSIG, + OP_DUP, + OP_EQUAL, + OP_SHA256, + OP_HASH160, + OP_PUSHDATA1, + OP_RETURN, + OP_EQUALVERIFY, + OP_SEPARATOR, + P2P_GENERIC, + P2P_IDENT_REQUEST, + P2P_IDENT_RESPONSE, + P2P_CHAIN_SYNC_REQUEST, + P2P_ROOT, + P2P_PING, + P2P_PONG, + P2P_PORT, + P2P_START_CHAIN, + P2P_INSTRUCTION, + P2P_BASE_MESSAGE, + P2P_STATE_ROOT, + P2P_STATE_COMMITTMENT, + P2P_STATE_CHANGE, + P2P_STATE_REQUEST, + P2P_TRANSACTION, + P2P_CALL, + P2P_SESSION_ACK, + P2P_MUSIG_START, + P2P_MUSIG_ACCEPT, + P2P_MUSIG_RECEIVE_COUNTER, + P2P_MUSIG_SEND_PROPOSAL, + P2P_MUSIG_REPLY_TO_PROPOSAL, + P2P_MUSIG_ACCEPT_PROPOSAL, + PEER_CANDIDATE, + DOCUMENT_PUBLISH_TYPE, + DOCUMENT_REQUEST_TYPE, + SESSION_START, + VERSION_NUMBER +}; + + +/***/ }), + +/***/ "./node_modules/@fabric/core/functions/_sortKeys.js": +/*!**********************************************************!*\ + !*** ./node_modules/@fabric/core/functions/_sortKeys.js ***! + \**********************************************************/ +/***/ ((module) => { + +/** + * Create a new {@link Object} with sorted properties. + * @param {Object} [state] Object to sort. + * @returns {Object} Re-sorted instance of `state` as provided. + */ +module.exports = function _sortKeys (state = {}) { + return Object.keys(state).sort().reduce((obj, key) => { + obj[key] = state[key]; + return obj; + }, {}); +}; + + +/***/ }), + +/***/ "./node_modules/@fabric/core/functions/padDigits.js": +/*!**********************************************************!*\ + !*** ./node_modules/@fabric/core/functions/padDigits.js ***! + \**********************************************************/ +/***/ ((module) => { + +"use strict"; + + +module.exports = function padDigits (number, digits) { + return Array(Math.max(digits - String(number).length + 1, 0)).join(0) + number; +}; + + +/***/ }), + +/***/ "./node_modules/@fabric/core/types/actor.js": +/*!**************************************************!*\ + !*** ./node_modules/@fabric/core/types/actor.js ***! + \**************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +// Generics +const { EventEmitter } = __webpack_require__(/*! events */ "./node_modules/events/events.js"); + +// Dependencies +const monitor = __webpack_require__(/*! fast-json-patch */ "./node_modules/fast-json-patch/index.mjs"); +const pointer = __webpack_require__(/*! json-pointer */ "./node_modules/json-pointer/index.js"); + +// Fabric Types +const Hash256 = __webpack_require__(/*! ./hash256 */ "./node_modules/@fabric/core/types/hash256.js"); + +// Fabric Functions +const _sortKeys = __webpack_require__(/*! ../functions/_sortKeys */ "./node_modules/@fabric/core/functions/_sortKeys.js"); + +/** + * Generic Fabric Actor. + * @access protected + * @emits message Fabric {@link Message} objects. + * @property {String} id Unique identifier for this Actor (id === SHA256(preimage)). + * @property {String} preimage Input hash for the `id` property (preimage === SHA256(ActorState)). + */ +class Actor extends EventEmitter { + /** + * Creates an {@link Actor}, which emits messages for other + * Actors to subscribe to. You can supply certain parameters + * for the actor, including key material [!!!] — be mindful of + * what you share with others! + * @param {Object} [actor] Object to use as the actor. + * @param {String} [actor.seed] BIP24 Mnemonic to use as a seed phrase. + * @param {Buffer} [actor.public] Public key. + * @param {Buffer} [actor.private] Private key. + * @returns {Actor} Instance of the Actor. Call {@link Actor#sign} to emit a {@link Signature}. + */ + constructor (actor = {}) { + super(actor); + + this.settings = { + type: 'Actor', + status: 'PAUSED' + }; + + // Internal State + // TODO: encourage use of `state` over `_state` + // TODO: use `const state` here + this._state = { + type: this.settings.type, + status: this.settings.status, + content: this._readObject(actor) + }; + + // TODO: evaluate disabling by default + this.history = []; + + // TODO: evaluate disabling by default + // and/or resolving performance issues at scale + try { + this.observer = monitor.observe(this._state.content, this._handleMonitorChanges.bind(this)); + } catch (exception) { + console.error('UNABLE TO WATCH:', exception); + } + + // TODO: use elegant method to strip these properties + Object.defineProperty(this, '_events', { enumerable: false }); + Object.defineProperty(this, '_eventsCount', { enumerable: false }); + Object.defineProperty(this, '_maxListeners', { enumerable: false }); + Object.defineProperty(this, '_state', { enumerable: false }); + Object.defineProperty(this, 'observer', { enumerable: false }); + + // Chainable + return this; + } + + static chunk (array, size = 32) { + const chunkedArray = []; + for (var i = 0; i < array.length; i += size) { + chunkedArray.push(array.slice(i, i + size)); + } + return chunkedArray; + } + + /** + * Create an {@link Actor} from a variety of formats. + * @param {Object} input Target {@link Object} to create. + * @returns {Actor} Instance of the {@link Actor}. + */ + static fromAny (input = {}) { + let state = null; + + if (typeof input === 'string') { + state = { content: input }; + } else if (input instanceof Buffer) { + state = { content: input.toString('hex') }; + } else { + state = Object.assign({}, input); + } + + return new Actor(state); + } + + static fromJSON (input) { + let result = null; + + if (typeof input === 'string' && input.length) { + console.log('trying to parse as JSON:', input); + try { + result = JSON.parse(input); + } catch (E) { + console.error('Failure in fromJSON:', E); + } + } else { + console.trace('Invalid input:', typeof input); + } + + return result; + } + + /** + * Get a number of random bytes from the runtime environment. + * @param {Number} [count=32] Number of random bytes to retrieve. + * @returns {Buffer} The random bytes. + */ + static randomBytes (count = 32) { + if (typeof window !== 'undefined' && window.crypto && window.crypto.getRandomValues) { + const array = new Uint8Array(length); + window.crypto.getRandomValues(array); + return Buffer.from(array); + } else { + return Object(function webpackMissingModule() { var e = new Error("Cannot find module 'crypto'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())(count); + } + } + + get id () { + const buffer = Buffer.from(this.preimage, 'hex'); + return Hash256.digest(buffer); + } + + get generic () { + return this.toGenericMessage(); + } + + get preimage () { + const string = JSON.stringify(this.generic, null, ' '); + const secret = Buffer.from(string, 'utf8'); + const preimage = Hash256.digest(secret); + return preimage; + } + + get state () { + return JSON.parse(JSON.stringify(this._state.content || {})); + } + + get status () { + return this._state.status; + } + + get type () { + return this._state['@type']; + } + + set state (value) { + this._state.content = value; + } + + set status (value) { + this._state.status = value; + } + + /** + * Explicitly adopt a set of {@link JSONPatch}-encoded changes. + * @param {Array} changes List of {@link JSONPatch} operations to apply. + * @returns {Actor} Instance of the Actor. + */ + adopt (changes) { + try { + monitor.applyPatch(this._state.content, changes); + this.commit(); + } catch (exception) { + this.emit('error', exception); + } + + return this; + } + + /** + * Resolve the current state to a commitment. + * @returns {String} 32-byte ID + */ + commit () { + const state = new Actor(this.state); + const changes = monitor.generate(this.observer); + const parent = (this.history.length) ? this.history[this.history.length - 1].state : null; + const commit = new Actor({ + changes: changes, + parent: parent, + state: state.id // TODO: include whole state? + }); + + this.history.push(commit); + this.emit('commit', commit); + return commit.id; + } + + debug (...params) { + this.emit('debug', params); + } + + /** + * Export the Actor's state to a standard {@link Object}. + * @returns {Object} Standard object. + */ + export () { + return { + id: this.id, + type: 'FabricActor', + object: this.state, + version: 1 + }; + } + + /** + * Retrieve a value from the Actor's state by {@link JSONPointer} path. + * @param {String} path Path to retrieve using {@link JSONPointer}. + * @returns {Object} Value of the path in the Actor's state. + */ + get (path) { + return pointer.get(this._state.content, path); + } + + log (...params) { + this.emit('log', ...params); + } + + mutate (seed) { + if (seed === 0 || !seed) seed = this.randomBytes(32).toString('hex'); + + const patches = [ + { op: 'replace', path: '/seed', value: seed } + ]; + + monitor.applyPatch(this._state.content, patches); + console.log('new state:', this._state.content); + this.commit(); + + return this; + } + + /** + * Set a value in the Actor's state by {@link JSONPointer} path. + * @param {String} path Path to set using {@link JSONPointer}. + * @param {Object} value Value to set. + * @returns {Object} Value of the path in the Actor's state. + */ + set (path, value) { + pointer.set(this._state.content, path, value); + this.commit(); + return this; + } + + setStatus (value) { + if (!value) throw new Error('Cannot remove status.'); + this.status = value; + } + + /** + * Casts the Actor to a normalized Buffer. + * @returns {Buffer} + */ + toBuffer () { + return Buffer.from(this.serialize(), 'utf8'); + } + + /** + * Casts the Actor to a generic message. + * @returns {Object} Generic message object. + */ + toGenericMessage () { + return { + type: 'FabricActorState', + object: this.toObject() + }; + } + + toJSON () { + return { + '@id': this.id, + ...this.state + }; + } + + /** + * Returns the Actor's current state as an {@link Object}. + * @returns {Object} + */ + toObject () { + return _sortKeys(this.state); + } + + toString (format = 'json') { + switch (format) { + case 'hex': + return Buffer.from(this.serialize(), 'utf8').toString('hex'); + case 'json': + default: + return this.serialize(); + } + } + + /** + * Toggles `status` property to paused. + * @returns {Actor} Instance of the Actor. + */ + pause () { + this.status = 'PAUSING'; + this.commit(); + this.status = 'PAUSED'; + return this; + } + + randomBytes (count = 32) { + return Actor.randomBytes(count); + } + + /** + * Serialize the Actor's current state into a JSON-formatted string. + * @returns {String} + */ + serialize () { + let json = null; + + try { + json = JSON.stringify(this.toObject(), null, ' '); + } catch (exception) { + json = JSON.stringify({ + type: 'Error', + content: `Exception serializing: ${exception}` + }, null, ' '); + } + + return json; + } + + sha256 (value) { + return Hash256.digest(value); + } + + /** + * Signs the Actor. + * @returns {Actor} + */ + sign () { + throw new Error('Unimplemented on this branch. Use @fabric/core/types/signer instead.'); + /* this.signature = this.key._sign(this.toBuffer()); + this.emit('signature', this.signature); + return this; */ + } + + /** + * Toggles `status` property to unpaused. + * @returns {Actor} Instance of the Actor. + */ + unpause () { + this.status = 'UNPAUSING'; + this.commit(); + this.status = 'UNPAUSED'; + return this; + } + + /** + * Get the inner value of the Actor with an optional cast type. + * @param {String} [format] Cast the value to one of: `buffer, hex, json, string` + * @returns {Object} Inner value of the Actor as an {@link Object}, or cast to the requested `format`. + */ + value (format = 'object') { + switch (format) { + default: + return this.state; + case 'buffer': + return Buffer.from(this.value('string'), 'utf8'); + case 'hex': + return this.value('buffer').toString('hex'); + case 'json': + case 'string': + return JSON.stringify(this.state); + } + } + + _getField (name) { + return this._state.content[name]; + } + + /** + * Incurs 1 SYSCALL + * @access private + * @returns {Object} + */ + _getState () { + return this.state; + } + + _handleMonitorChanges (changes) { + // TODO: emit global state event here + // after verify, commit + } + + /** + * Parse an Object into a corresponding Fabric state. + * @param {Object} input Object to read as input. + * @returns {Object} Fabric state. + */ + _readObject (input = {}) { + let state = {}; + + if (typeof input === 'string') { + state = Object.assign(state, { + type: 'String', + size: input.length, + content: input, + encoding: 'utf8' + }); + } else if (input instanceof Buffer) { + state = Object.assign(state, { + type: 'Buffer', + size: input.length, + content: input.toString('hex'), + encoding: 'hex' + }); + } else { + state = Object.assign(state, input); + } + + return state; + } +} + +module.exports = Actor; + + +/***/ }), + +/***/ "./node_modules/@fabric/core/types/hash256.js": +/*!****************************************************!*\ + !*** ./node_modules/@fabric/core/types/hash256.js ***! + \****************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +const crypto = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module 'crypto'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); + +/** + * Simple interaction with 256-bit spaces. + */ +class Hash256 { + /** + * Create an instance of a `Hash256` object by calling `new Hash256()`, + * where `settings` can be provided to supply a particular input object. + * + * If the `settings` is not a string, `input` must be provided. + * @param {Object} settings + * @param {String} settings.input Input string to map as 256-bit hash. + */ + constructor (settings = {}) { + if (typeof settings === 'string') settings = { input: settings }; + if (!settings.input) settings.input = crypto.randomBytes(32).toString('hex'); + + this.settings = Object.assign({ + hash: Hash256.digest(settings.input) + }, settings); + } + + /** + * Produce a SHA256 digest of some input data. + * @param {String|Buffer} input Content to digest. + * @returns {String} `SHA256(input)` as a hexadecimal string. + */ + static digest (input) { + if (typeof input !== 'string' && !(input instanceof Buffer)) { + throw new Error(`Input to process must be of type "String" or "Buffer" to digest.`); + } + + // consume and output as string + return crypto.createHash('sha256').update(input).digest('hex'); + } + + // TODO: document `hash256.value` + get value () { + return Hash256.digest(this.settings.input); + } + + /** + * Reverses the bytes of the digest. + */ + static reverse (input = '') { + return Buffer.from(input, 'hex').reverse().toString('hex'); + } + + reverse (input = this.value) { + return Hash256.reverse(input); + } +} + +module.exports = Hash256; + +/***/ }), + +/***/ "./node_modules/@fabric/core/types/key.js": +/*!************************************************!*\ + !*** ./node_modules/@fabric/core/types/key.js ***! + \************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +// Constants +const { + FABRIC_KEY_DERIVATION_PATH +} = __webpack_require__(/*! ../constants */ "./node_modules/@fabric/core/constants.js"); + +// Node Modules +const crypto = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module 'crypto'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); + +// Deterministic Random +// TODO: remove +const Generator = (__webpack_require__(/*! arbitrary */ "./node_modules/arbitrary/docs/dist/index.js")["default"].Generator); + +// Dependencies +// TODO: remove all external dependencies +const BN = __webpack_require__(/*! bn.js */ "./node_modules/bn.js/lib/bn.js"); +const EC = (__webpack_require__(/*! elliptic */ "./node_modules/elliptic/lib/elliptic.js").ec); +const ec = new EC('secp256k1'); +const ecc = __webpack_require__(/*! tiny-secp256k1 */ "./node_modules/tiny-secp256k1/lib/index.js"); +const payments = __webpack_require__(/*! bitcoinjs-lib/src/payments */ "./node_modules/bitcoinjs-lib/src/payments/index.js"); + +// Fabric Dependencies +const Hash256 = __webpack_require__(/*! ./hash256 */ "./node_modules/@fabric/core/types/hash256.js"); + +// Simple Key Management +const BIP32 = (__webpack_require__(/*! bip32 */ "./node_modules/bip32/src/index.js")["default"]); +const bip32 = new BIP32(ecc); +const bip39 = __webpack_require__(/*! bip39 */ "./node_modules/bip39/src/index.js"); + +// NOTE: see also @fabric/passport +// expect a bech32m identifier using prefix "id" + +/** + * Represents a cryptographic key. + */ +class Key { + /** + * Create an instance of a Fabric Key, either restoring from some known + * values or from prior knowledge. For instance, you can call `new Key()` + * to create a fresh keypair, or `new Key({ public: 'deadbeef...' })` to + * create it from a known public key. + * @param {Object} [settings] Initialization for the key. + * @param {String} [settings.network] Network string. + * @param {String} [settings.seed] Mnemonic seed for initializing the key. + * @param {String} [settings.public] Public key in hex. + * @param {String} [settings.private] Private key in hex. + * @param {String} [settings.purpose=44] Constrains derivations to this space. + */ + constructor (input = {}) { + this.settings = Object.assign({ + debug: false, + network: 'main', + curve: 'secp256k1', + derivation: FABRIC_KEY_DERIVATION_PATH, + mode: 'aes-256-cbc', + prefix: '00', + public: null, + private: null, + purpose: 44, + account: 0, + bits: 256, + hd: true, + seed: null, + passphrase: '', + password: null, + index: 0, + cipher: { + iv: { + size: 16 + } + }, + witness: true + }, input); + + this.clock = 0; + this.master = null; + this.private = null; + this.public = null; + + // TODO: design state machine for input (configuration) + if (this.settings.seed) { + this._mode = 'FROM_SEED'; + } else if (this.settings.private) { + this._mode = 'FROM_PRIVATE_KEY'; + } else if (this.settings.xprv) { + this._mode = 'FROM_XPRV'; + } else if (this.settings.xpub) { + this._mode = 'FROM_XPUB'; + } else if (this.settings.pubkey || this.settings.public) { + this._mode = 'FROM_PUBLIC_KEY'; + } else { + this._mode = 'FROM_RANDOM'; + } + + switch (this._mode) { + case 'FROM_SEED': + const seed = bip39.mnemonicToSeedSync(this.settings.seed, this.settings.passphrase); + const root = bip32.fromSeed(seed); + + // TODO: delete seed before constructor completes (or remove this line) + this.seed = this.settings.seed; + + this.xprv = root.toBase58(); + this.xpub = root.neutered().toBase58(); + this.master = root; + this.keypair = ec.keyFromPrivate(root.privateKey); + this.status = 'seeded'; + break; + case 'FROM_XPRV': + this.master = bip32.fromBase58(this.settings.xprv); + this.xprv = this.master.toBase58(); + this.xpub = this.master.neutered().toBase58(); + this.keypair = ec.keyFromPrivate(this.master.privateKey); + break; + case 'FROM_XPUB': + const xpub = bip32.fromBase58(this.settings.xpub); + this.keypair = ec.keyFromPublic(xpub.publicKey); + break; + case 'FROM_PRIVATE_KEY': + // Key is private + const provision = (this.settings.private instanceof Buffer) ? this.settings.private : Buffer.from(this.settings.private, 'hex'); + this.keypair = ec.keyFromPrivate(provision); + break; + case 'FROM_PUBLIC_KEY': + const pubkey = this.settings.pubkey || this.settings.public; + // Key is only public + this.keypair = ec.keyFromPublic((pubkey instanceof Buffer) ? pubkey : Buffer.from(pubkey, 'hex')); + break; + case 'FROM_RANDOM': + const mnemonic = bip39.generateMnemonic(); + const interim = bip39.mnemonicToSeedSync(mnemonic); + this.master = bip32.fromSeed(interim); + this.keypair = ec.keyFromPrivate(this.master.privateKey); + break; + } + + // Read the pair + this.private = ( + !this.settings.seed && + !this.settings.private && + !this.settings.xprv + ) ? false : this.keypair.getPrivate(); + + this.public = this.keypair.getPublic(true); + + // TODO: determine if this makes sense / needs to be private + this.privkey = (this.private) ? this.private.toString() : null; + + // STANDARD BEGINS HERE + this.pubkey = this.public.encodeCompressed('hex'); + + // BELOW THIS NON-STANDARD + // DO NOT USE IN PRODUCTION + // this.pubkeyhash = this.keyring.getKeyHash('hex'); + this.pubkeyhash = ''; + + // Configure Deterministic Random + // WARNING: this will currently loop after 2^32 bits + // TODO: evaluate compression when treating seed phrase as ascii + // TODO: consider using sha256(masterprivkey) or sha256(sha256(...))? + + this._starseed = Hash256.digest(( + this.settings.seed || + this.settings.xprv || + this.settings.private + ) + ''); + + this.q = parseInt(this._starseed.substring(0, 4), 16); + this.generator = new Generator(this.q); + + this['@data'] = { + type: 'Key', + public: this.pubkey, + address: this.address + }; + + this._state = { + pubkey: this.pubkey + }; + + // Object.defineProperty(this, 'keyring', { enumerable: false }); + Object.defineProperty(this, 'keypair', { enumerable: false }); + Object.defineProperty(this, 'private', { enumerable: false }); + + return this; + } + + static Mnemonic (seed) { + return new Key({ seed }); + } + + get account () { + return this.settings.account; + } + + get id () { + return this.pubkeyhash; + } + + get iv () { + const self = this; + const bits = new BN([...Array(128)].map(() => { + return self.bit().toString(); + }).join(''), 2).toString(16); + return Buffer.from(bits.toString(16), 'hex'); + } + + get purpose () { + return this.settings.purpose; + } + + bit () { + return this.generator.next.bits(1); + } + + /* export () { + return { + addresses: { + p2wkh: null, + p2tr: null + }, + private: this.keypair.private, + public: this.keypair.public + }; + } */ + + deriveAccountReceive (index) { + return this.deriveAddress(index); + } + + deriveAddress (index = 0, change = 0, type = 'p2pkh') { + const pair = this.deriveKeyPair(this.account, index, change); + switch (type) { + default: + case 'p2pkh': + return payments.p2pkh({ + pubkey: Buffer.from(pair.public, 'hex') + }); + case 'p2wpkh': + return payments.p2wpkh({ + pubkey: Buffer.from(pair.public, 'hex') + }); + } + } + + deriveKeyPair (addressID = 0, change = 0) { + const path = `m/${this.purpose}'/0'/${this.account}'/${change}/${addressID}`; + const derived = this.master.derivePath(path); + const pair = ec.keyFromPrivate(derived.privateKey); + return { + private: pair.getPrivate('hex'), + public: pair.getPublic(true, 'hex') + }; + } + + encrypt (value) { + try { + const ivbuff = Buffer.from(this.iv, 'hex'); + const cipher = crypto.createCipheriv(this.settings.mode, this.private.toBuffer(), ivbuff); + let encrypted = cipher.update(value); + encrypted = Buffer.concat([ + encrypted, + cipher.final() + ]); + return ivbuff.toString('hex') + ':' + encrypted.toString('hex'); + } catch (exception) { + console.error('err:', exception); + } + } + + decrypt (text) { + if (text instanceof Buffer) text = text.toString('utf8'); + + try { + const parts = text.split(':'); + const iv = Buffer.from(parts.shift(), 'hex'); + const blob = Buffer.from(parts.join(':'), 'hex'); + const decipher = crypto.createDecipheriv(this.settings.mode, this.private.toBuffer(), iv); + let decrypted = decipher.update(blob); + decrypted = Buffer.concat([ + decrypted, + decipher.final() + ]); + return decrypted.toString(); + } catch (exception) { + console.error('err:', exception); + } + } + + _sign (msg) { + if (typeof msg !== 'string') msg = JSON.stringify(msg); + const hmac = crypto.createHash('sha256').update(msg).digest('hex'); + return this.keypair.sign(hmac).toDER(); + } + + _verify (msg, sig) { + const hmac = crypto.createHash('sha256').update(msg).digest('hex'); + const valid = this.keypair.verify(hmac, sig); + return valid; + } + + derive (path = this.settings.derivation) { + if (!this.master) throw new Error('You cannot derive without a master key. Provide a seed phrase or an xprv.'); + const derived = this.master.derivePath(path); + const options = { + private: derived.privateKey.toString('hex'), + public: derived.publicKey.toString('hex') + }; + + return new Key(options); + } +} + +module.exports = Key; + + +/***/ }), + +/***/ "./node_modules/@fabric/core/types/label.js": +/*!**************************************************!*\ + !*** ./node_modules/@fabric/core/types/label.js ***! + \**************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +const Actor = __webpack_require__(/*! ./actor */ "./node_modules/@fabric/core/types/actor.js"); +const Hash256 = __webpack_require__(/*! ./hash256 */ "./node_modules/@fabric/core/types/hash256.js"); + +class Label extends Actor { + constructor (input = '') { + super(input); + if (typeof input != 'string') input = super.serialize(input); + this._id = Hash256.digest(`@labels/${input}`); + return this; + } +} + +module.exports = Label; + + +/***/ }), + +/***/ "./node_modules/@fabric/core/types/message.js": +/*!****************************************************!*\ + !*** ./node_modules/@fabric/core/types/message.js ***! + \****************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +const { + MAGIC_BYTES, + VERSION_NUMBER, + HEADER_SIZE, + MAX_MESSAGE_SIZE, + OP_CYCLE, + GENERIC_MESSAGE_TYPE, + LOG_MESSAGE_TYPE, + GENERIC_LIST_TYPE, + P2P_GENERIC, + P2P_IDENT_REQUEST, + P2P_IDENT_RESPONSE, + P2P_ROOT, + P2P_PING, + P2P_PONG, + P2P_START_CHAIN, + P2P_INSTRUCTION, + P2P_BASE_MESSAGE, + P2P_CHAIN_SYNC_REQUEST, + P2P_STATE_ROOT, + P2P_STATE_COMMITTMENT, + P2P_STATE_CHANGE, + P2P_STATE_REQUEST, + P2P_TRANSACTION, + P2P_CALL, + CHAT_MESSAGE, + DOCUMENT_PUBLISH_TYPE, + DOCUMENT_REQUEST_TYPE, + BLOCK_CANDIDATE, + PEER_CANDIDATE, + SESSION_START +} = __webpack_require__(/*! ../constants */ "./node_modules/@fabric/core/constants.js"); + +// Dependencies +const crypto = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module 'crypto'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); +const struct = __webpack_require__(/*! struct */ "./node_modules/struct/index.js"); + +// Fabric Types +const Actor = __webpack_require__(/*! ./actor */ "./node_modules/@fabric/core/types/actor.js"); +const Label = __webpack_require__(/*! ./label */ "./node_modules/@fabric/core/types/label.js"); +const Signer = __webpack_require__(/*! ./signer */ "./node_modules/@fabric/core/types/signer.js"); + +// Function Definitions +const padDigits = __webpack_require__(/*! ../functions/padDigits */ "./node_modules/@fabric/core/functions/padDigits.js"); + +// Type Labels +const TYPE_ETHEREUM_BLOCK = parseInt((new Label('types/EthereumBlock'))._id, 16); +const TYPE_ETHEREUM_BLOCK_NUMBER = parseInt((new Label('types/EthereumBlockNumber'))._id, 16); + +/** + * The {@link Message} type defines the Application Messaging Protocol, or AMP. + * Each {@link Actor} in the network receives and broadcasts messages, + * selectively disclosing new routes to peers which may have open circuits. + * @type {Object} + */ +class Message extends Actor { + /** + * The `Message` type is standardized in {@link Fabric} as a {@link Array}, which can be added to any other vector to compute a resulting state. + * @param {Object} message Message vector. Will be serialized by {@link Array#_serialize}. + * @return {Message} Instance of the message. + */ + constructor (input = {}) { + super(input); + + this.raw = { + magic: Buffer.alloc(4), + version: Buffer.alloc(4), + parent: Buffer.alloc(32), + author: Buffer.alloc(32), + type: Buffer.alloc(4), // TODO: 8, 32 + size: Buffer.alloc(4), // TODO: 8, 32 + hash: Buffer.alloc(32), + signature: Buffer.alloc(64), + data: null + }; + + this.raw.magic.write(MAGIC_BYTES.toString(16), 'hex'); + this.raw.version.write(padDigits(VERSION_NUMBER.toString(16), 8), 'hex'); + + // Use provided signer + if (input.signer) { + this.signer = input.signer; + } else { + this.signer = new Signer(); + } + + if (input.data && input.type) { + this.type = input.type; + + if (typeof input.data !== 'string') { + this.data = JSON.stringify(input.data); + } else { + this.data = input.data; + } + } + + // Set various properties to be unenumerable + for (let name of [ + '@input', + '@entity', + '_state', + 'config', + 'settings', + 'signer', + 'stack', + 'observer' + ]) Object.defineProperty(this, name, { enumerable: false }); + + return this; + } + + get body () { + return this.raw.data.toString('utf8'); + } + + get byte () { + const input = 0 + ''; + const num = Buffer.from(`0x${padDigits(input, 8)}`, 'hex'); + return num; + } + + get tu16 () { + return parseInt(0); + } + + get tu32 () { + return parseInt(0); + } + + get tu64 () { + return parseInt(0); + } + + get Uint256 () { + // 256 bits + return Buffer.from((this.raw && this.raw.hash) ? `0x${padDigits(this.raw.hash, 8)}` : crypto.randomBytes(32)); + } + + set signature (value) { + if (value instanceof Buffer) value = value.toString('hex'); + this.raw.signature.write(value, 'hex'); + } + + toBuffer () { + return this.asRaw(); + } + + /** + * Returns a {@link Buffer} of the complete message. + * @return {Buffer} Buffer of the encoded {@link Message}. + */ + asRaw () { + return Buffer.concat([this.header, this.raw.data]); + } + + toRaw () { + return this.asRaw(); + } + + asTypedArray () { + return new Uint8Array(this.asRaw()); + // TODO: Node 12 + // return new TypedArray(this.asRaw()); + } + + asBlob () { + return this.asRaw().map(byte => parseInt(byte, 16)); + } + + toObject () { + return { + headers: { + magic: parseInt(`${this.raw.magic.toString('hex')}`, 16), + version: parseInt(`${this.raw.version.toString('hex')}`, 16), + parent: this.raw.parent.toString('hex'), + author: this.raw.author.toString('hex'), + type: parseInt(`${this.raw.type.toString('hex')}`, 16), + size: parseInt(`${this.raw.size.toString('hex')}`, 16), + hash: this.raw.hash.toString('hex'), + signature: this.raw.signature.toString('hex'), + }, + type: this.type, + data: this.data + }; + } + + fromObject (input) { + return new Message(input); + } + + /** + * Signs the message using the associated signer. + * @returns {Message} Signed message. + */ + sign () { + if (!this.header) throw new Error('No header property.'); + if (!this.raw) throw new Error('No raw property.'); + + const hash = crypto.createHash('sha256').update(this.raw.data).digest(); + const signature = this.signer.sign(hash); + + this.raw.author.write(this.signer.pubkey.toString('hex'), 'hex'); + this.raw.signature.write(signature.toString('hex'), 'hex'); + + Object.freeze(this); + + return this; + } + + /** + * Verify a message's signature. + * @returns {Boolean} `true` if the signature is valid, `false` if not. + */ + verify () { + if (!this.header) throw new Error('No header property.'); + if (!this.raw) throw new Error('No raw property.'); + + // Compute sha256 hash of message body + const hash = crypto.createHash('sha256').update(this.raw.data).digest(); + + // If the raw header doesn't match the computed values, reject + if (this.raw.hash.toString('hex') !== hash.toString('hex')) { + return false; + } + + const signature = this.raw.signature; + const verified = this.signer.verify(this.raw.author, hash, signature); + + if (!verified) { + throw new Error('Did not verify.'); + } + + return true; + } + + /** + * Sets the signer for the message. + * @param {Signer} signer Signer instance. + * @returns {Message} Instance of the Message with associated signer. + */ + _setSigner (signer) { + // if (this.signer) throw new Error('Cannot override signer.'); + this.signer = signer; + return this; + } + + static parseBuffer (buffer) { + const message = struct() + .charsnt('magic', 4, 'hex') + .charsnt('version', 4, 'hex') + .charsnt('parent', 32, 'hex') + .charsnt('type', 4, 'hex') + .charsnt('size', 4, 'hex') + .charsnt('hash', 32, 'hex') + .charsnt('signature', 64, 'hex') + .charsnt('data', buffer.length - HEADER_SIZE); + + message.allocate(); + message._setBuff(buffer); + + return message; + } + + static parseRawMessage (buffer) { + const message = { + magic: buffer.slice(0, 4), + version: buffer.slice(4, 8), + parent: buffer.slice(8, 40), + author: buffer.slice(40, 72), + type: buffer.slice(72, 76), + size: buffer.slice(76, 80), + hash: buffer.slice(80, 112), + signature: buffer.slice(112, HEADER_SIZE) + }; + + if (buffer.length >= HEADER_SIZE) { + message.data = buffer.slice(HEADER_SIZE, buffer.length); + } + + return message; + }; + + static fromBuffer (buffer) { + return Message.fromRaw(buffer); + } + + static fromRaw (input) { + if (!input) return null; + if (!(input instanceof Buffer)) throw new Error('Input must be a buffer.'); + // if (input.length < HEADER_SIZE) return null; + // if (input.length > MAX_MESSAGE_SIZE) return new Error('Input too large.'); + + const message = new Message(); + + message.raw = { + magic: input.slice(0, 4), + version: input.slice(4, 8), + parent: input.slice(8, 40), + author: input.slice(40, 72), + type: input.slice(72, 76), + size: input.slice(76, 80), + hash: input.slice(80, 112), + signature: input.slice(112, HEADER_SIZE) + }; + + message.data = input.slice(HEADER_SIZE); + + return message; + } + + static fromVector (vector = ['LogMessage', 'No vector provided.']) { + let message = null; + + try { + message = new Message({ + type: vector[0], + data: vector[1] + }); + } catch (exception) { + console.error('[FABRIC:MESSAGE]', 'Could not construct Message:', exception); + } + + return message; + } + + /* get [Symbol.toStringTag] () { + return ``; + } */ + + get id () { + return crypto.createHash('sha256').update(this.asRaw()).digest('hex'); + } + + get types () { + // Message Types + return { + 'GenericMessage': GENERIC_MESSAGE_TYPE, + 'GenericLogMessage': LOG_MESSAGE_TYPE, + 'GenericList': GENERIC_LIST_TYPE, + 'GenericQueue': GENERIC_LIST_TYPE, + 'FabricLogMessage': LOG_MESSAGE_TYPE, + 'FabricServiceLogMessage': LOG_MESSAGE_TYPE, + 'GenericTransferQueue': GENERIC_LIST_TYPE, + // TODO: document Generic type + // P2P Commands + 'Generic': P2P_GENERIC, + 'Cycle': OP_CYCLE, + 'IdentityRequest': P2P_IDENT_REQUEST, + 'IdentityResponse': P2P_IDENT_RESPONSE, + 'ChainSyncRequest': P2P_CHAIN_SYNC_REQUEST, + // TODO: restore this type + // 'StateRoot': P2P_ROOT, + 'Ping': P2P_PING, + 'Pong': P2P_PONG, + 'DocumentRequest': DOCUMENT_REQUEST_TYPE, + 'DocumentPublish': DOCUMENT_PUBLISH_TYPE, + 'BlockCandidate': BLOCK_CANDIDATE, + 'PeerCandidate': PEER_CANDIDATE, + 'PeerInstruction': P2P_INSTRUCTION, + 'PeerMessage': P2P_BASE_MESSAGE, + 'StartSession': SESSION_START, + 'ChatMessage': CHAT_MESSAGE, + 'StartChain': P2P_START_CHAIN, + // TODO: restore above StateRoot type + 'StateRoot': P2P_STATE_ROOT, + 'StateCommitment': P2P_STATE_COMMITTMENT, + 'StateChange': P2P_STATE_CHANGE, + 'StateRequest': P2P_STATE_REQUEST, + 'Transaction': P2P_TRANSACTION, + 'Call': P2P_CALL, + 'LogMessage': LOG_MESSAGE_TYPE, + 'EthereumBlock': TYPE_ETHEREUM_BLOCK, + 'EthereumBlockNumber': TYPE_ETHEREUM_BLOCK_NUMBER + }; + } + + get codes () { + return Object.entries(this.types).reduce((ret, entry) => { + const [ key, value ] = entry; + ret[ value ] = key; + return ret; + }, {}); + } + + get magic () { + return this.raw.magic; + } + + get signature () { + return parseInt(Buffer.from(this.raw.signature, 'hex')); + } + + get size () { + return parseInt(Buffer.from(this.raw.size, 'hex')); + } + + get version () { + return parseInt(Buffer.from(this.raw.version)); + } + + get header () { + const parts = [ + Buffer.from(this.raw.magic, 'hex'), + Buffer.from(this.raw.version, 'hex'), + Buffer.from(this.raw.parent, 'hex'), + Buffer.from(this.raw.author, 'hex'), + Buffer.from(this.raw.type, 'hex'), + Buffer.from(this.raw.size, 'hex'), + Buffer.from(this.raw.hash, 'hex'), + Buffer.from(this.raw.signature, 'hex') + ]; + + return Buffer.concat(parts); + } +} + +Object.defineProperty(Message.prototype, 'type', { + get () { + const code = parseInt(this.raw.type.toString('hex'), 16); + switch (code) { + case GENERIC_MESSAGE_TYPE: + return 'GenericMessage'; + case LOG_MESSAGE_TYPE: + return 'GenericLogMessage'; + case GENERIC_LIST_TYPE: + return 'GenericList'; + case DOCUMENT_PUBLISH_TYPE: + return 'DocumentPublish'; + case DOCUMENT_REQUEST_TYPE: + return 'DocumentRequest'; + case BLOCK_CANDIDATE: + return 'BlockCandidate'; + case OP_CYCLE: + return 'Cycle'; + case P2P_PING: + return 'Ping'; + case P2P_PONG: + return 'Pong'; + case P2P_GENERIC: + return 'Generic'; + case P2P_CHAIN_SYNC_REQUEST: + return 'ChainSyncRequest'; + case P2P_IDENT_REQUEST: + return 'IdentityRequest'; + case P2P_IDENT_RESPONSE: + return 'IdentityResponse'; + case P2P_BASE_MESSAGE: + return 'PeerMessage'; + case P2P_STATE_ROOT: + return 'StateRoot'; + case P2P_STATE_CHANGE: + return 'StateChange'; + case P2P_STATE_REQUEST: + return 'StateRequest'; + case P2P_TRANSACTION: + return 'Transaction'; + case P2P_CALL: + return 'Call'; + case PEER_CANDIDATE: + return 'PeerCandidate'; + case SESSION_START: + return 'StartSession'; + case CHAT_MESSAGE: + return 'ChatMessage'; + case P2P_START_CHAIN: + return 'StartChain'; + case TYPE_ETHEREUM_BLOCK: + return 'EthereumBlock'; + case TYPE_ETHEREUM_BLOCK_NUMBER: + return 'EthereumBlockNumber'; + default: + return 'GenericMessage'; + } + }, + set (value) { + let code = this.types[value]; + // Default to GenericMessage; + if (!code) { + this.emit('warning', `Unknown message type: ${value}`); + code = this.types['GenericMessage']; + } + + const padded = padDigits(code.toString(16), 8); + this['@type'] = value; + this.raw.type.write(padded, 'hex'); + } +}); + +Object.defineProperty(Message.prototype, 'data', { + get () { + if (!this.raw.data) return ''; + return this.raw.data.toString('utf8'); + }, + set (value) { + if (!value) value = ''; + const hash = crypto.createHash('sha256').update(value.toString('utf8')); + this.raw.hash = hash.digest(); + this.raw.data = Buffer.from(value); + this.raw.size.write(padDigits(this.raw.data.byteLength.toString(16), 8), 'hex'); + } +}); + +module.exports = Message; + + +/***/ }), + +/***/ "./node_modules/@fabric/core/types/remote.js": +/*!***************************************************!*\ + !*** ./node_modules/@fabric/core/types/remote.js ***! + \***************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +const { + HTTP_HEADER_CONTENT_TYPE, + P2P_CALL +} = __webpack_require__(/*! ../constants */ "./node_modules/@fabric/core/constants.js"); + +// Internal Dependencies +const querystring = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module 'querystring'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); + +// External Dependencies +const fetch = __webpack_require__(/*! cross-fetch */ "./node_modules/cross-fetch/dist/browser-ponyfill.js"); +const parser = __webpack_require__(/*! content-type */ "./node_modules/content-type/index.js"); +// const ws = require('ws').WebSocket; + +// Internal Types +const Actor = __webpack_require__(/*! ./actor */ "./node_modules/@fabric/core/types/actor.js"); +const Message = __webpack_require__(/*! ./message */ "./node_modules/@fabric/core/types/message.js"); + +/** + * Interact with a remote {@link Resource}. This is currently the only + * HTTP-related code that should remain in @fabric/core — all else must + * be moved to @fabric/http before final release! + * @type {Remote} + * @property {Object} config + * @property {Boolean} secure + */ +class Remote extends Actor { + /** + * An in-memory representation of a node in our network. + * @param {Object} target - Target object. + * @param {String} target.host - Named host, e.g. "localhost". + * @param {String} target.secure - Require TLS session. + * @constructor + */ + constructor (config = {}) { + super(config); + + this.settings = Object.assign({ + backoff: 2, + entropy: Math.random(), + macaroon: null, + secure: true, + state: { + status: 'PAUSED' + }, + host: 'hub.fabric.pub', + port: 443 + }, config); + + this.secure = this.settings.secure; + this.socket = null; + + this.endpoint = `${(this.secure) ? 'wss' : 'ws'}:${this.host}:${this.port}/`; + + this._nextReconnect = 0; + this._reconnectAttempts = 0; + this._state = { + status: 'PAUSED', + messages: [], + meta: { + messages: { + count: 0 + } + } + }; + + return this; + } + + set host (value) { + if (typeof value !== 'string') throw new Error('Host must be a string.'); + this.settings.host = value; + return this.settings.host; + } + + get host () { + return this.settings.host; + } + + set port (value) { + if (!Number.isInteger(value)) throw new Error('Port must be an integer.'); + this.settings.port = value; + return this.settings.port; + } + + get port () { + return this.settings.port; + } + + get authority () { + // TODO: use onion address for secure mode + const parts = (this.settings.authority) ? this.settings.authority.split(':') : this.host.split(':'); + const state = { + host: null, + secure: null, + protocol: null, + port: null + }; + + // Check number of components + switch (parts.length) { + default: + // TODO: warn about unexpected values + state.host = this.settings.host; + state.port = this.settings.port; + state.secure = this.settings.secure; + break; + case 1: + state.host = parts[0]; + state.port = this.settings.port; + state.secure = this.settings.secure; + break; + case 2: + state.host = parts[0]; + state.port = parts[1]; + state.secure = this.settings.secure; + break; + case 3: + state.host = parts[1]; + state.port = parts[2]; + // TODO: should settings override protocol inclusion? + state.secure = (parts[0].charAt(4) === 's'); + break; + } + + // Finally set protocol for all cases... + state.protocol = (!state.secure) ? 'http' : 'https'; + + return `${state.protocol}://${state.host}:${state.port}`; + } + + get isArrayBufferSupported () { + return (new Buffer(new Uint8Array([1]).buffer)[0] === 1); + } + + get arrayBufferToBuffer () { + return this.isArrayBufferSupported ? this.arrayBufferToBufferAsArgument : this.arrayBufferToBufferCycle; + } + + arrayBufferToBufferAsArgument (ab) { + return new Buffer(ab); + } + + arrayBufferToBufferCycle (ab) { + var buffer = new Buffer(ab.byteLength); + var view = new Uint8Array(ab); + for (var i = 0; i < buffer.length; ++i) { + buffer[i] = view[i]; + } + return buffer; + } + + async _handleSocketClose (message) { + this._state.status = 'CLOSED'; + console.log('[FABRIC:REMOTE]', 'Socket close:', message); + this._reconnectAttempts++; + this._reconnector = setTimeout(this.connect.bind(this), this._nextReconnect); + this._nextReconnect = Math.pow(this.settings.backoff, this._reconnectAttempts) * 1000 * Math.random(); + } + + async _handleSocketError (message) { + console.error('[FABRIC:REMOTE]', 'Socket error:', message); + this.emit('error', message); + } + + async _handleSocketMessage (packet) { + this.emit('debug', `[FABRIC:REMOTE] Socket packet ${JSON.stringify(packet)}`); + const length = packet.data.byteLength; + console.log('length:', length); + const buffer = Buffer.from(packet.data); + console.log('buffer:', buffer); + const message = Message.fromRaw(buffer).toObject(); + console.log('message:', message); + this._state.messages.push(message); + ++this._state.meta.messages.count; + this.emit('message', message); + } + + async _handleSocketOpen (message) { + this._nextReconnect = 0; + this._reconnectAttempts = 0; + if (this._reconnector) clearTimeout(this._reconnector); + this._state.status = 'CONNECTED'; + this.emit('ready'); + } + + async executeMethod (name, params = []) { + const call = Message.fromVector([P2P_CALL, JSON.stringify([name, params])]); + console.log('call:', call); + console.log('raw:', call.toRaw()); + return this.socket.send(call.toRaw()); + } + + async connect () { + this._state.status = 'CONNECTING'; + + try { + this.socket = new WebSocket(this.endpoint); + console.log('socket:', this.socket); + } catch (exception) { + console.error('[FABRIC:REMOTE]', 'Unable to connect:', exception); + } + + if (this.socket) { + this.socket.binaryType = 'arraybuffer'; + this.socket.addEventListener('close', this._handleSocketClose.bind(this)); + this.socket.addEventListener('open', this._handleSocketOpen.bind(this)); + this.socket.addEventListener('message', this._handleSocketMessage.bind(this)); + this.socket.addEventListener('error', this._handleSocketError.bind(this)); + } + + return this; + } + + /** + * Enumerate the available Resources on the remote host. + * @return {Configuration} An object with enumerable key/value pairs for the Application Resource Contract. + */ + async enumerate () { + const options = await this._OPTIONS('/'); + const results = []; + + for (const name in options) { + const definition = options[name]; + results.push({ + name: definition.name, + description: definition.description, + components: Object.assign({ + list: 'maki-resource-list', + view: 'maki-resource-view' + }, definition.components), + routes: definition.routes, + attributes: definition.attributes, + names: definition.names + }); + } + + return options; + } + + /** + * Make an HTTP request to the configured authority. + * @param {String} type One of `GET`, `PUT`, `POST`, `DELETE`, or `OPTIONS`. + * @param {String} path The path to request from the authority. + * @param {Object} [params] Options. + * @returns {FabricHTTPResult} + */ + async request (type, path, params = {}) { + const self = this; + + let url = this.authority + path; + let result = null; + let response = null; + let headers = { + 'Accept': HTTP_HEADER_CONTENT_TYPE, + 'Content-Type': HTTP_HEADER_CONTENT_TYPE + }; + + if (params.headers) { + headers = Object.assign({}, headers, params.headers); + } + + if (this.settings.macaroon) { + headers = Object.assign({}, headers, { + 'Macaroon': this.settings.macaroon, + 'EncodingType': 'hex' + }); + } + + let opts = { + method: type, + headers: headers + }; + + // TODO: break out into independent auth module + if (this.settings.username || this.settings.password) { + headers['Authorization'] = `Basic ${Buffer.from([ + this.settings.username || '', + this.settings.password || '' + ].join(':')).toString('base64')}`; + } + + switch (params.mode) { + case 'query': + url += '?' + querystring.stringify(params.body); + break; + default: + try { + opts.body = JSON.stringify(params.body); + } catch (exception) { + console.error('[FABRIC:REMOTE] Could not prepare request:', exception); + } + + opts = Object.assign(opts, { + body: params.body || null + }); + break; + } + + // Core Logic + this.emit('warning', `Requesting: ${url} ${opts}`); + + try { + response = await fetch(url, opts); + } catch (e) { + self.emit('error', `[REMOTE] exception: ${e}`); + } + + if (!response) { + return { + status: 'error', + message: 'No response to request.' + }; + } + + switch (response.status) { + case 404: + result = { + status: 'error', + message: 'Document not found.' + }; + break; + default: + if (response.ok) { + const formatter = parser.parse(response.headers.get('content-type')); + switch (formatter.type) { + case 'application/json': + try { + result = await response.json(); + } catch (E) { + console.error('[REMOTE]', 'Could not parse JSON:', E); + } + break; + default: + if (this.settings.verbosity >= 4) self.emit('warning', `[FABRIC:REMOTE] Unhandled headers content type: ${formatter.type}`); + result = await response.text(); + break; + } + } else { + if (this.settings.verbosity >= 4) console.warn('[FABRIC:REMOTE]', 'Unmanaged HTTP status code:', response.status); + + try { + result = response.json(); + } catch (exception) { + result = response.text(); + } + } + break; + } + + return result; + } + + async ping () { + this.send({ + created: (new Date()).toISOString(), + type: 'PING' + }); + } + + async send (message) { + const msg = Message.fromVector(['GenericMessage', JSON.stringify(message)]); + const raw = msg.toRaw(); + const actor = new Actor({ content: raw.toString('hex') }); + this.socket.send(raw); + return actor.id; + } + + async sendAsJSON (message) { + this.socket.send({ + content: message + }); + } + + /** + * HTTP PUT against the configured Authority. + * @param {String} path - HTTP Path to request. + * @param {Object} body - Map of parameters to supply. + * @return {FabricHTTPResult|String} Result of request. + */ + async _PUT (key, body) { + return this.request('put', key, { body }); + } + + /** + * HTTP GET against the configured Authority. + * @param {String} path - HTTP Path to request. + * @param {Object} params - Map of parameters to supply. + * @return {FabricHTTPResult|String} Result of request. + */ + async _GET (key, params) { + return this.request('get', key, params); + } + + /** + * HTTP POST against the configured Authority. + * @param {String} path - HTTP Path to request. + * @param {Object} params - Map of parameters to supply. + * @return {FabricHTTPResult|String} Result of request. + */ + async _POST (key, obj, params = {}) { + let result = null; + let options = null; + + switch (params.mode) { + case 'query': + options = Object.assign({}, { + body: obj, + mode: 'query' + }); + break; + default: + options = Object.assign({}, params, { + body: obj, + mode: 'body' + }); + break; + } + + result = await this.request('post', key, options); + + return result; + } + + /** + * HTTP OPTIONS on the configured Authority. + * @param {String} path - HTTP Path to request. + * @param {Object} params - Map of parameters to supply. + * @return {Object} - Full description of remote resource. + */ + async _OPTIONS (key, params) { + return this.request('options', key, params); + } + + /** + * HTTP PATCH on the configured Authority. + * @param {String} path - HTTP Path to request. + * @param {Object} body - Map of parameters to supply. + * @return {Object} - Full description of remote resource. + */ + async _PATCH (key, body) { + return this.request('patch', key, { body }); + } + + /** + * HTTP DELETE on the configured Authority. + * @param {String} path - HTTP Path to request. + * @param {Object} params - Map of parameters to supply. + * @return {Object} - Full description of remote resource. + */ + async _DELETE (key, params) { + return this.request('delete', key, params); + } + + async _SEARCH (key, params) { + return this.request('search', key, params); + } +} + +module.exports = Remote; + + +/***/ }), + +/***/ "./node_modules/@fabric/core/types/signer.js": +/*!***************************************************!*\ + !*** ./node_modules/@fabric/core/types/signer.js ***! + \***************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +// Dependencies +const crypto = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module 'crypto'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); +const stream = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module 'stream'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); +const schnorr = __webpack_require__(/*! bip-schnorr */ "./node_modules/bip-schnorr/src/index.js"); + +// Fabric Types +const Actor = __webpack_require__(/*! ./actor */ "./node_modules/@fabric/core/types/actor.js"); +const Hash256 = __webpack_require__(/*! ./hash256 */ "./node_modules/@fabric/core/types/hash256.js"); +const Key = __webpack_require__(/*! ./key */ "./node_modules/@fabric/core/types/key.js"); + +/** + * Generic Fabric Signer. + * @access protected + * @emits message Fabric {@link Message} objects. + * @extends {Actor} + * @property {String} id Unique identifier for this Signer (id === SHA256(preimage)). + * @property {String} preimage Input hash for the `id` property (preimage === SHA256(SignerState)). + */ +class Signer extends Actor { + /** + * Creates an {@link Signer}, which emits messages for other + * Signers to subscribe to. You can supply certain parameters + * for the actor, including key material [!!!] — be mindful of + * what you share with others! + * @param {Object} [actor] Object to use as the actor. + * @param {String} [actor.seed] BIP24 Mnemonic to use as a seed phrase. + * @param {Buffer} [actor.public] Public key. + * @param {Buffer} [actor.private] Private key. + * @returns {Signer} Instance of the Signer. Call {@link Signer#sign} to emit a {@link Signature}. + */ + constructor (actor = {}) { + super(actor); + + this.log = []; + this.signature = null; + + // Settings + this.settings = { + state: {} + }; + + // TODO: fix bcoin in React / WebPack + this.key = new Key({ + seed: actor.seed, + public: actor.public || actor.pubkey, + private: actor.private, + xprv: actor.xprv, + xpub: actor.xpub + }); + + // Indicate Risk + this.private = !!(this.key.seed || this.key.private); + this.stream = new stream.Transform(this._transformer.bind(this)); + this.value = this._readObject(actor); // TODO: use Buffer? + + // Internal State + this._state = { + '@type': 'Signer', + '@data': this.value, + status: 'PAUSED', + content: this.value || {} + }; + + // Chainable + return this; + } + + static chunksForBuffer (input = Buffer.alloc(32), size = 32) { + const chunks = []; + for (let i = 0; i < input.length; i += size) { + const chunk = input.slice(i, i + size); + chunks.push(chunk); + } + + return chunks; + } + + static signableForBuffer (input = Buffer.alloc(32)) { + // TODO: use pubkey + const challenge = crypto.randomBytes(32); + const message_hash = Hash256.digest(input.toString('hex')); + const message = [ + `--- BEGIN META ---`, + `message_challenge: ${challenge.toString('hex')}`, + `message_hash: ${message_hash}`, + `message_scriptsig: 00${message_hash}`, + `--- END META ---`, + `--- BEGIN FABRIC MESSAGE ---`, + Signer.chunksForBuffer(input.toString('hex'), 80).join('\n'), + `--- END FABRIC MESSAGE ---` + ].join('\n'); + + return message; + } + + get pubkey () { + // TODO: encode pubkey correctly for verification + const x = this.key.keypair.getPublic().getX(); + return schnorr.convert.intToBuffer(x); + } + + /** + * Signs some data. + * @returns {Signer} + */ + sign (data = this.toBuffer()) { + if (!(data instanceof Buffer)) { + switch (data.constructor.name) { + default: + this.emit('warning', `unhandled data to sign: ${data.constructor.name} ${JSON.stringify(data)}`); + break; + } + } + + this._lastSignature = new Actor({ message: data, signature: this.signature }); + + // Hash & sign + // TODO: check with bip-schnorr on behavior of signing > 32 byte messages + // this._preimage = Buffer.from(Hash256.digest(data), 'hex'); + this.signature = schnorr.sign(this.key.keypair.getPrivate('hex'), data); + // this.signature = schnorr.sign(this.key.keypair.getPrivate('hex'), this._preimage); + + this.emit('signature', { + content: data, + preimage: this._preimage, + pubkey: this._pubkey, + signature: this.signature.toString('hex') + }); + + return this.signature; + } + + start () { + this._state.content.status = 'STARTING'; + // TODO: unpause input stream here + this._state.status = 'STARTED'; + this.commit(); + return this; + } + + stop () { + this._state.status = 'STOPPING'; + this._state.status = 'STOPPED'; + this.commit(); + return this; + } + + toSpend () { + + } + + toSign () { + + } + + verify (pubkey, message, signature) { + if (!(pubkey instanceof Buffer)) pubkey = Buffer.from(pubkey, 'hex'); + if (!(message instanceof Buffer)) message = Buffer.from(message, 'hex'); + if (!(signature instanceof Buffer)) signature = Buffer.from(signature, 'hex'); + + try { + schnorr.verify(pubkey, message, signature); + return true; + } catch (exception) { + return false; + } + } + + async _transformer (chunk, controller) { + + } +} + +module.exports = Signer; + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/index.js": +/*!****************************************************!*\ + !*** ./node_modules/@metascraper/helpers/index.js ***! + \****************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +const memoizeOne = (__webpack_require__(/*! memoize-one */ "./node_modules/memoize-one/dist/memoize-one.esm.js")["default"]) || __webpack_require__(/*! memoize-one */ "./node_modules/memoize-one/dist/memoize-one.esm.js") +const urlRegex = __webpack_require__(/*! url-regex-safe */ "./node_modules/url-regex-safe/lib/index.js")({ exact: true, parens: true }) +const condenseWhitespace = __webpack_require__(/*! condense-whitespace */ "./node_modules/condense-whitespace/index.js") +const { getExtension: mimeExtension } = __webpack_require__(/*! mime */ "./node_modules/@metascraper/helpers/node_modules/mime/index.js") +const capitalize = __webpack_require__(/*! microsoft-capitalize */ "./node_modules/microsoft-capitalize/src/index.js") +const { JSDOM, VirtualConsole } = __webpack_require__(/*! jsdom */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/api.js") +const isRelativeUrl = __webpack_require__(/*! is-relative-url */ "./node_modules/is-relative-url/index.js") +const fileExtension = __webpack_require__(/*! file-extension */ "./node_modules/file-extension/file-extension.js") +const _normalizeUrl = __webpack_require__(/*! normalize-url */ "./node_modules/normalize-url/index.js") +const smartquotes = __webpack_require__(/*! smartquotes */ "./node_modules/smartquotes/dist/smartquotes.js") +const { decodeHTML } = __webpack_require__(/*! entities */ "./node_modules/@metascraper/helpers/node_modules/entities/lib/index.js") +const iso6393 = __webpack_require__(/*! iso-639-3/to-1 */ "./node_modules/iso-639-3/to-1.json") +const hasValues = __webpack_require__(/*! has-values */ "./node_modules/has-values/index.js") +const chrono = __webpack_require__(/*! chrono-node */ "./node_modules/chrono-node/dist/cjs/index.js") +const isIso = __webpack_require__(/*! isostring */ "./node_modules/isostring/index.js") +const isUri = __webpack_require__(/*! is-uri */ "./node_modules/is-uri/src/index.js") +const { URL } = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module 'url'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())) +const tldts = __webpack_require__(/*! tldts */ "./node_modules/tldts/dist/es6/index.js") + +const { + chain, + eq, + flow, + get, + includes, + invoke, + isArray, + isBoolean, + isDate, + isEmpty, + isNumber, + isString, + lte, + memoize, + replace, + size, + toLower, + toString +} = __webpack_require__(/*! lodash */ "./node_modules/lodash/lodash.js") + +const iso6393Values = Object.values(iso6393) + +const parseUrl = memoize(tldts.parse) + +const toTitle = str => + capitalize(str, [ + 'CLI', + 'API', + 'HTTP', + 'HTTPS', + 'JSX', + 'DNS', + 'URL', + 'CI', + 'CDN', + 'package.json', + 'GitHub', + 'GitLab', + 'CSS', + 'JS', + 'JavaScript', + 'TypeScript', + 'HTML', + 'WordPress', + 'JavaScript', + 'Node.js' + ]) + +const VIDEO = 'video' +const AUDIO = 'audio' +const IMAGE = 'image' + +const imageExtensions = chain(__webpack_require__(/*! image-extensions */ "./node_modules/image-extensions/image-extensions.json")) + .concat(['avif']) + .reduce((acc, ext) => { + acc[ext] = IMAGE + return acc + }, {}) + .value() + +const audioExtensions = chain(__webpack_require__(/*! audio-extensions */ "./node_modules/audio-extensions/audioExtensions.json")) + .concat(['mpga']) + .difference(['mp4']) + .reduce((acc, ext) => { + acc[ext] = AUDIO + return acc + }, {}) + .value() + +const videoExtensions = chain(__webpack_require__(/*! video-extensions */ "./node_modules/video-extensions/video-extensions.json")) + .reduce((acc, ext) => { + acc[ext] = VIDEO + return acc + }, {}) + .value() + +const EXTENSIONS = { + ...imageExtensions, + ...audioExtensions, + ...videoExtensions +} + +const REGEX_BY = /^[\s\n]*by[\s\n]+|@[\s\n]*/i + +const REGEX_LOCATION = /^[A-Z\s]+\s+[-—–]\s+/ + +const REGEX_TITLE_SEPARATOR = /^[^|\-/•—]+/ + +const TRUNCATE_MAX_LENGTH = 300 + +const AUTHOR_MAX_LENGTH = 128 + +const removeLocation = value => replace(value, REGEX_LOCATION, '') + +const isUrl = (url, { relative = false } = {}) => + relative ? isRelativeUrl(url) : urlRegex.test(url) + +const urlObject = (...args) => { + try { + return new URL(...args) + } catch (_) { + return { toString: () => '' } + } +} + +const absoluteUrl = (baseUrl, relativePath) => { + if (isEmpty(relativePath)) return urlObject(baseUrl).toString() + return urlObject(relativePath, baseUrl).toString() +} + +const sanetizeUrl = (url, opts) => + _normalizeUrl(url, { + stripWWW: false, + sortQueryParameters: false, + removeSingleSlash: false, + removeTrailingSlash: false, + ...opts + }) + +const normalizeUrl = (baseUrl, relativePath, opts) => { + try { + return sanetizeUrl(absoluteUrl(baseUrl, relativePath), opts) + } catch (_) {} +} + +const removeBy = flow([ + value => value.replace(REGEX_BY, ''), + condenseWhitespace +]) + +const removeSeparator = title => + condenseWhitespace((REGEX_TITLE_SEPARATOR.exec(title) || [])[0] || title) + +const createTitle = flow([condenseWhitespace, smartquotes]) + +const titleize = (src, opts = {}) => { + let title = createTitle(src) + if (opts.removeBy) title = removeBy(title) + if (opts.removeSeparator) title = removeSeparator(title) + if (opts.capitalize) title = toTitle(title) + return title +} + +const $filter = ($, matchedEl, fn = $filter.fn) => { + let matched + + matchedEl.each(function () { + const result = fn($(this)) + + if (result) { + matched = result + return false + } + }) + + return matched +} + +$filter.fn = el => condenseWhitespace(el.text()) + +const isAuthor = (str, opts = { relative: false }) => + !isUrl(str, opts) && + !isEmpty(str) && + isString(str) && + lte(size(str), AUTHOR_MAX_LENGTH) + +const getAuthor = (str, { removeBy = true, ...opts } = {}) => + titleize(str, { removeBy, ...opts }) + +const protocol = url => { + const { protocol = '' } = urlObject(url) + return protocol.replace(':', '') +} + +const isMediaTypeUrl = (url, type, { ext, ...opts } = {}) => + isUrl(url, opts) && isMediaTypeExtension(url, type, ext) + +const isMediaTypeExtension = (url, type, ext) => + eq(type, get(EXTENSIONS, ext || extension(url))) + +const isMediaUrl = (url, opts) => + isImageUrl(url, opts) || isVideoUrl(url, opts) || isAudioUrl(url, opts) + +const isVideoUrl = (url, opts) => isMediaTypeUrl(url, VIDEO, opts) + +const isAudioUrl = (url, opts) => isMediaTypeUrl(url, AUDIO, opts) + +const isImageUrl = (url, opts) => isMediaTypeUrl(url, IMAGE, opts) + +const isMediaExtension = url => + isImageExtension(url) || isVideoExtension(url) || isAudioExtension(url) + +const isVideoExtension = url => isMediaTypeExtension(url, VIDEO) + +const isAudioExtension = url => isMediaTypeExtension(url, AUDIO) + +const isImageExtension = url => isMediaTypeExtension(url, IMAGE) + +const extension = (str = '') => { + const url = urlObject( + str, + isRelativeUrl(str) ? 'http://localhost' : undefined + ) + url.hash = '' + url.search = '' + return fileExtension(url.toString()) +} + +const description = (value, opts) => + isString(value) ? getDescription(value, opts) : undefined + +const getDescription = ( + str, + { truncateLength = TRUNCATE_MAX_LENGTH, ellipsis = '…', ...opts } = {} +) => { + let truncated = str.slice(0, truncateLength) + if (truncated.length < str.length) truncated = truncated.trim() + ellipsis + const description = removeLocation(truncated) + return titleize(description, opts).replace(/\s?\.\.\.?$/, ellipsis) +} + +const publisher = value => + isString(value) ? condenseWhitespace(value) : undefined + +const author = (value, opts) => + isAuthor(value) ? getAuthor(value, opts) : undefined + +const url = (value, { url = '' } = {}) => { + if (!isString(value) || isEmpty(value)) return + + try { + const absoluteUrl = normalizeUrl(url, value) + if (isUrl(absoluteUrl)) return absoluteUrl + } catch (_) {} + + return isUri(value) ? value : undefined +} + +const getISODate = date => + date && !Number.isNaN(date.getTime()) ? date.toISOString() : undefined + +const date = value => { + if (isDate(value)) return value.toISOString() + if (!(isString(value) || isNumber(value))) return + + // remove whitespace for easier parsing + if (isString(value)) value = condenseWhitespace(value) + + // convert isodates to restringify, because sometimes they are truncated + if (isIso(value)) return new Date(value).toISOString() + + if (/^\d{4}$/.test(value)) return new Date(toString(value)).toISOString() + + let isoDate + + if (isString(value)) { + for (const item of value.split('\n').filter(Boolean)) { + const parsed = chrono.parseDate(item) + isoDate = getISODate(parsed) + if (isoDate) break + } + } else { + if (value >= 1e16 || value <= -1e16) { + // nanoseconds + value = Math.floor(value / 1000000) + } else if (value >= 1e14 || value <= -1e14) { + // microseconds + value = Math.floor(value / 1000) + } else if (!(value >= 1e11) || value <= -3e10) { + // seconds + value = value * 1000 + } + isoDate = getISODate(new Date(value)) + } + + return isoDate +} + +const lang = input => { + if (isEmpty(input) || !isString(input)) return + const key = toLower(condenseWhitespace(input)) + if (input.length === 3) return iso6393[key] + const lang = toLower(key.substring(0, 2)) + return includes(iso6393Values, lang) ? lang : undefined +} + +const title = (value, { removeSeparator = false, ...opts } = {}) => + isString(value) ? titleize(value, { removeSeparator, ...opts }) : undefined + +const isMime = (contentType, type) => { + const ext = mimeExtension(contentType) + return eq(type, get(EXTENSIONS, ext)) +} + +memoizeOne.EqualityUrlAndHtmlDom = (newArgs, oldArgs) => + newArgs[0] === oldArgs[0] && newArgs[1].html() === oldArgs[1].html() + +const jsonld = memoizeOne( + $ => + $('script[type="application/ld+json"]') + .map(function () { + try { + const el = $(this) + const json = JSON.parse( + $(el) + .contents() + .text() + ) + + const { '@graph': graph, ...props } = json + if (!graph) return json + return graph.map(item => ({ ...props, ...item })) + } catch (_) { + return undefined + } + }) + .get() + .filter(Boolean), + (newArgs, oldArgs) => newArgs[0].html() === oldArgs[0].html() +) + +const $jsonld = propName => $ => { + const collection = jsonld($) + let value + + collection.find(item => { + value = get(item, propName) + return !isEmpty(value) || isNumber(value) || isBoolean(value) + }) + + return isString(value) ? decodeHTML(value) : value +} + +const image = (value, opts) => { + const urlValue = url(value, opts) + return urlValue !== undefined && + !isAudioUrl(urlValue, opts) && + !isVideoUrl(urlValue, opts) + ? urlValue + : undefined +} + +const logo = image + +const video = (value, opts) => { + const urlValue = url(value, opts) + return isVideoUrl(urlValue, opts) ? urlValue : undefined +} + +const audio = (value, opts) => { + const urlValue = url(value, opts) + return isAudioUrl(urlValue, opts) ? urlValue : undefined +} + +const validator = { + audio, + author, + date, + description, + image, + lang, + logo, + publisher, + title, + url, + video +} + +const truthyTest = () => true + +const findRule = async (rules, args) => { + let index = 0 + let value + + do { + const rule = rules[index++] + const test = rule.test || truthyTest + if (test(args)) value = await rule(args) + } while (!has(value) && index < rules.length) + + return value +} + +const toRule = (mapper, opts) => rule => async ({ htmlDom, url }) => { + const value = await rule(htmlDom, url) + return mapper(value, { url, ...opts }) +} + +const composeRule = rule => ({ from, to = from, ...opts }) => async ({ + htmlDom, + url +}) => { + const data = await rule(htmlDom, url) + const value = get(data, from) + return invoke(validator, to, value, { url, ...opts }) +} + +const has = value => + value !== undefined && !Number.isNaN(value) && hasValues(value) + +const loadIframe = (url, $, { timeout = 5000 } = {}) => + new Promise(resolve => { + const dom = new JSDOM($.html(), { + url, + virtualConsole: new VirtualConsole(), + runScripts: 'dangerously', + resources: 'usable' + }) + + const done = (html = '') => resolve($.load(html)) + + const listen = (element, method, fn) => + element[`${method}EventListener`]('load', fn, { + capture: true, + once: true, + passive: true + }) + + const iframe = dom.window.document.querySelector('iframe') + if (!iframe) return done() + + const timer = setTimeout(() => { + listen(iframe, 'remove', load) + done() + }, timeout) + + function load () { + clearTimeout(timer) + done(iframe.contentDocument.documentElement.outerHTML) + } + + listen(iframe, 'add', load) + }) + +module.exports = { + $filter, + $jsonld, + absoluteUrl, + audio, + audioExtensions, + author, + composeRule, + date, + description, + extension, + fileExtension, + findRule, + has, + image, + imageExtensions, + isArray, + isAudioExtension, + isAudioUrl, + isAuthor, + isImageExtension, + isImageUrl, + isMediaExtension, + isMediaUrl, + isMime, + isString, + isUrl, + isVideoExtension, + isVideoUrl, + jsonld, + lang, + loadIframe, + logo, + memoizeOne, + mimeExtension, + normalizeUrl, + parseUrl, + protocol, + publisher, + sanetizeUrl, + title, + titleize, + toRule, + url, + validator, + video, + videoExtensions +} + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/acorn-globals/index.js": +/*!*******************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/acorn-globals/index.js ***! + \*******************************************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +var acorn = __webpack_require__(/*! acorn */ "./node_modules/@metascraper/helpers/node_modules/acorn/dist/acorn.js"); +var walk = __webpack_require__(/*! acorn-walk */ "./node_modules/@metascraper/helpers/node_modules/acorn-walk/dist/walk.js"); + +function isScope(node) { + return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration' || node.type === 'ArrowFunctionExpression' || node.type === 'Program'; +} +function isBlockScope(node) { + // The body of switch statement is a block. + return node.type === 'BlockStatement' || node.type === 'SwitchStatement' || isScope(node); +} + +function declaresArguments(node) { + return node.type === 'FunctionExpression' || node.type === 'FunctionDeclaration'; +} + +function reallyParse(source, options) { + var parseOptions = Object.assign( + { + allowReturnOutsideFunction: true, + allowImportExportEverywhere: true, + allowHashBang: true, + ecmaVersion: "latest" + }, + options + ); + return acorn.parse(source, parseOptions); +} +module.exports = findGlobals; +module.exports.parse = reallyParse; +function findGlobals(source, options) { + options = options || {}; + var globals = []; + var ast; + // istanbul ignore else + if (typeof source === 'string') { + ast = reallyParse(source, options); + } else { + ast = source; + } + // istanbul ignore if + if (!(ast && typeof ast === 'object' && ast.type === 'Program')) { + throw new TypeError('Source must be either a string of JavaScript or an acorn AST'); + } + var declareFunction = function (node) { + var fn = node; + fn.locals = fn.locals || Object.create(null); + node.params.forEach(function (node) { + declarePattern(node, fn); + }); + if (node.id) { + fn.locals[node.id.name] = true; + } + }; + var declareClass = function (node) { + node.locals = node.locals || Object.create(null); + if (node.id) { + node.locals[node.id.name] = true; + } + }; + var declarePattern = function (node, parent) { + switch (node.type) { + case 'Identifier': + parent.locals[node.name] = true; + break; + case 'ObjectPattern': + node.properties.forEach(function (node) { + declarePattern(node.value || node.argument, parent); + }); + break; + case 'ArrayPattern': + node.elements.forEach(function (node) { + if (node) declarePattern(node, parent); + }); + break; + case 'RestElement': + declarePattern(node.argument, parent); + break; + case 'AssignmentPattern': + declarePattern(node.left, parent); + break; + // istanbul ignore next + default: + throw new Error('Unrecognized pattern type: ' + node.type); + } + }; + var declareModuleSpecifier = function (node, parents) { + ast.locals = ast.locals || Object.create(null); + ast.locals[node.local.name] = true; + }; + walk.ancestor(ast, { + 'VariableDeclaration': function (node, parents) { + var parent = null; + for (var i = parents.length - 1; i >= 0 && parent === null; i--) { + if (node.kind === 'var' ? isScope(parents[i]) : isBlockScope(parents[i])) { + parent = parents[i]; + } + } + parent.locals = parent.locals || Object.create(null); + node.declarations.forEach(function (declaration) { + declarePattern(declaration.id, parent); + }); + }, + 'FunctionDeclaration': function (node, parents) { + var parent = null; + for (var i = parents.length - 2; i >= 0 && parent === null; i--) { + if (isScope(parents[i])) { + parent = parents[i]; + } + } + parent.locals = parent.locals || Object.create(null); + if (node.id) { + parent.locals[node.id.name] = true; + } + declareFunction(node); + }, + 'Function': declareFunction, + 'ClassDeclaration': function (node, parents) { + var parent = null; + for (var i = parents.length - 2; i >= 0 && parent === null; i--) { + if (isBlockScope(parents[i])) { + parent = parents[i]; + } + } + parent.locals = parent.locals || Object.create(null); + if (node.id) { + parent.locals[node.id.name] = true; + } + declareClass(node); + }, + 'Class': declareClass, + 'TryStatement': function (node) { + if (node.handler === null || node.handler.param === null) return; + node.handler.locals = node.handler.locals || Object.create(null); + declarePattern(node.handler.param, node.handler); + }, + 'ImportDefaultSpecifier': declareModuleSpecifier, + 'ImportSpecifier': declareModuleSpecifier, + 'ImportNamespaceSpecifier': declareModuleSpecifier + }); + function identifier(node, parents) { + var name = node.name; + if (name === 'undefined') return; + for (var i = 0; i < parents.length; i++) { + if (name === 'arguments' && declaresArguments(parents[i])) { + return; + } + if (parents[i].locals && name in parents[i].locals) { + return; + } + } + node.parents = parents.slice(); + globals.push(node); + } + walk.ancestor(ast, { + 'VariablePattern': identifier, + 'Identifier': identifier, + 'ThisExpression': function (node, parents) { + for (var i = 0; i < parents.length; i++) { + var parent = parents[i]; + if ( parent.type === 'FunctionExpression' || parent.type === 'FunctionDeclaration' ) { return; } + if ( parent.type === 'PropertyDefinition' && parents[i+1]===parent.value ) { return; } + } + node.parents = parents.slice(); + globals.push(node); + } + }); + var groupedGlobals = Object.create(null); + globals.forEach(function (node) { + var name = node.type === 'ThisExpression' ? 'this' : node.name; + groupedGlobals[name] = (groupedGlobals[name] || []); + groupedGlobals[name].push(node); + }); + return Object.keys(groupedGlobals).sort().map(function (name) { + return {name: name, nodes: groupedGlobals[name]}; + }); +} + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/acorn-walk/dist/walk.js": +/*!********************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/acorn-walk/dist/walk.js ***! + \********************************************************************************/ +/***/ (function(__unused_webpack_module, exports) { + +(function (global, factory) { + true ? factory(exports) : + 0; +}(this, (function (exports) { 'use strict'; + + // AST walker module for Mozilla Parser API compatible trees + + // A simple walk is one where you simply specify callbacks to be + // called on specific nodes. The last two arguments are optional. A + // simple use would be + // + // walk.simple(myTree, { + // Expression: function(node) { ... } + // }); + // + // to do something with all expressions. All Parser API node types + // can be used to identify node types, as well as Expression and + // Statement, which denote categories of nodes. + // + // The base argument can be used to pass a custom (recursive) + // walker, and state can be used to give this walked an initial + // state. + + function simple(node, visitors, baseVisitor, state, override) { + if (!baseVisitor) { baseVisitor = base + ; }(function c(node, st, override) { + var type = override || node.type, found = visitors[type]; + baseVisitor[type](node, st, c); + if (found) { found(node, st); } + })(node, state, override); + } + + // An ancestor walk keeps an array of ancestor nodes (including the + // current node) and passes them to the callback as third parameter + // (and also as state parameter when no other state is present). + function ancestor(node, visitors, baseVisitor, state, override) { + var ancestors = []; + if (!baseVisitor) { baseVisitor = base + ; }(function c(node, st, override) { + var type = override || node.type, found = visitors[type]; + var isNew = node !== ancestors[ancestors.length - 1]; + if (isNew) { ancestors.push(node); } + baseVisitor[type](node, st, c); + if (found) { found(node, st || ancestors, ancestors); } + if (isNew) { ancestors.pop(); } + })(node, state, override); + } + + // A recursive walk is one where your functions override the default + // walkers. They can modify and replace the state parameter that's + // threaded through the walk, and can opt how and whether to walk + // their child nodes (by calling their third argument on these + // nodes). + function recursive(node, state, funcs, baseVisitor, override) { + var visitor = funcs ? make(funcs, baseVisitor || undefined) : baseVisitor + ;(function c(node, st, override) { + visitor[override || node.type](node, st, c); + })(node, state, override); + } + + function makeTest(test) { + if (typeof test === "string") + { return function (type) { return type === test; } } + else if (!test) + { return function () { return true; } } + else + { return test } + } + + var Found = function Found(node, state) { this.node = node; this.state = state; }; + + // A full walk triggers the callback on each node + function full(node, callback, baseVisitor, state, override) { + if (!baseVisitor) { baseVisitor = base; } + var last + ;(function c(node, st, override) { + var type = override || node.type; + baseVisitor[type](node, st, c); + if (last !== node) { + callback(node, st, type); + last = node; + } + })(node, state, override); + } + + // An fullAncestor walk is like an ancestor walk, but triggers + // the callback on each node + function fullAncestor(node, callback, baseVisitor, state) { + if (!baseVisitor) { baseVisitor = base; } + var ancestors = [], last + ;(function c(node, st, override) { + var type = override || node.type; + var isNew = node !== ancestors[ancestors.length - 1]; + if (isNew) { ancestors.push(node); } + baseVisitor[type](node, st, c); + if (last !== node) { + callback(node, st || ancestors, ancestors, type); + last = node; + } + if (isNew) { ancestors.pop(); } + })(node, state); + } + + // Find a node with a given start, end, and type (all are optional, + // null can be used as wildcard). Returns a {node, state} object, or + // undefined when it doesn't find a matching node. + function findNodeAt(node, start, end, test, baseVisitor, state) { + if (!baseVisitor) { baseVisitor = base; } + test = makeTest(test); + try { + (function c(node, st, override) { + var type = override || node.type; + if ((start == null || node.start <= start) && + (end == null || node.end >= end)) + { baseVisitor[type](node, st, c); } + if ((start == null || node.start === start) && + (end == null || node.end === end) && + test(type, node)) + { throw new Found(node, st) } + })(node, state); + } catch (e) { + if (e instanceof Found) { return e } + throw e + } + } + + // Find the innermost node of a given type that contains the given + // position. Interface similar to findNodeAt. + function findNodeAround(node, pos, test, baseVisitor, state) { + test = makeTest(test); + if (!baseVisitor) { baseVisitor = base; } + try { + (function c(node, st, override) { + var type = override || node.type; + if (node.start > pos || node.end < pos) { return } + baseVisitor[type](node, st, c); + if (test(type, node)) { throw new Found(node, st) } + })(node, state); + } catch (e) { + if (e instanceof Found) { return e } + throw e + } + } + + // Find the outermost matching node after a given position. + function findNodeAfter(node, pos, test, baseVisitor, state) { + test = makeTest(test); + if (!baseVisitor) { baseVisitor = base; } + try { + (function c(node, st, override) { + if (node.end < pos) { return } + var type = override || node.type; + if (node.start >= pos && test(type, node)) { throw new Found(node, st) } + baseVisitor[type](node, st, c); + })(node, state); + } catch (e) { + if (e instanceof Found) { return e } + throw e + } + } + + // Find the outermost matching node before a given position. + function findNodeBefore(node, pos, test, baseVisitor, state) { + test = makeTest(test); + if (!baseVisitor) { baseVisitor = base; } + var max + ;(function c(node, st, override) { + if (node.start > pos) { return } + var type = override || node.type; + if (node.end <= pos && (!max || max.node.end < node.end) && test(type, node)) + { max = new Found(node, st); } + baseVisitor[type](node, st, c); + })(node, state); + return max + } + + // Used to create a custom walker. Will fill in all missing node + // type properties with the defaults. + function make(funcs, baseVisitor) { + var visitor = Object.create(baseVisitor || base); + for (var type in funcs) { visitor[type] = funcs[type]; } + return visitor + } + + function skipThrough(node, st, c) { c(node, st); } + function ignore(_node, _st, _c) {} + + // Node walkers. + + var base = {}; + + base.Program = base.BlockStatement = base.StaticBlock = function (node, st, c) { + for (var i = 0, list = node.body; i < list.length; i += 1) + { + var stmt = list[i]; + + c(stmt, st, "Statement"); + } + }; + base.Statement = skipThrough; + base.EmptyStatement = ignore; + base.ExpressionStatement = base.ParenthesizedExpression = base.ChainExpression = + function (node, st, c) { return c(node.expression, st, "Expression"); }; + base.IfStatement = function (node, st, c) { + c(node.test, st, "Expression"); + c(node.consequent, st, "Statement"); + if (node.alternate) { c(node.alternate, st, "Statement"); } + }; + base.LabeledStatement = function (node, st, c) { return c(node.body, st, "Statement"); }; + base.BreakStatement = base.ContinueStatement = ignore; + base.WithStatement = function (node, st, c) { + c(node.object, st, "Expression"); + c(node.body, st, "Statement"); + }; + base.SwitchStatement = function (node, st, c) { + c(node.discriminant, st, "Expression"); + for (var i$1 = 0, list$1 = node.cases; i$1 < list$1.length; i$1 += 1) { + var cs = list$1[i$1]; + + if (cs.test) { c(cs.test, st, "Expression"); } + for (var i = 0, list = cs.consequent; i < list.length; i += 1) + { + var cons = list[i]; + + c(cons, st, "Statement"); + } + } + }; + base.SwitchCase = function (node, st, c) { + if (node.test) { c(node.test, st, "Expression"); } + for (var i = 0, list = node.consequent; i < list.length; i += 1) + { + var cons = list[i]; + + c(cons, st, "Statement"); + } + }; + base.ReturnStatement = base.YieldExpression = base.AwaitExpression = function (node, st, c) { + if (node.argument) { c(node.argument, st, "Expression"); } + }; + base.ThrowStatement = base.SpreadElement = + function (node, st, c) { return c(node.argument, st, "Expression"); }; + base.TryStatement = function (node, st, c) { + c(node.block, st, "Statement"); + if (node.handler) { c(node.handler, st); } + if (node.finalizer) { c(node.finalizer, st, "Statement"); } + }; + base.CatchClause = function (node, st, c) { + if (node.param) { c(node.param, st, "Pattern"); } + c(node.body, st, "Statement"); + }; + base.WhileStatement = base.DoWhileStatement = function (node, st, c) { + c(node.test, st, "Expression"); + c(node.body, st, "Statement"); + }; + base.ForStatement = function (node, st, c) { + if (node.init) { c(node.init, st, "ForInit"); } + if (node.test) { c(node.test, st, "Expression"); } + if (node.update) { c(node.update, st, "Expression"); } + c(node.body, st, "Statement"); + }; + base.ForInStatement = base.ForOfStatement = function (node, st, c) { + c(node.left, st, "ForInit"); + c(node.right, st, "Expression"); + c(node.body, st, "Statement"); + }; + base.ForInit = function (node, st, c) { + if (node.type === "VariableDeclaration") { c(node, st); } + else { c(node, st, "Expression"); } + }; + base.DebuggerStatement = ignore; + + base.FunctionDeclaration = function (node, st, c) { return c(node, st, "Function"); }; + base.VariableDeclaration = function (node, st, c) { + for (var i = 0, list = node.declarations; i < list.length; i += 1) + { + var decl = list[i]; + + c(decl, st); + } + }; + base.VariableDeclarator = function (node, st, c) { + c(node.id, st, "Pattern"); + if (node.init) { c(node.init, st, "Expression"); } + }; + + base.Function = function (node, st, c) { + if (node.id) { c(node.id, st, "Pattern"); } + for (var i = 0, list = node.params; i < list.length; i += 1) + { + var param = list[i]; + + c(param, st, "Pattern"); + } + c(node.body, st, node.expression ? "Expression" : "Statement"); + }; + + base.Pattern = function (node, st, c) { + if (node.type === "Identifier") + { c(node, st, "VariablePattern"); } + else if (node.type === "MemberExpression") + { c(node, st, "MemberPattern"); } + else + { c(node, st); } + }; + base.VariablePattern = ignore; + base.MemberPattern = skipThrough; + base.RestElement = function (node, st, c) { return c(node.argument, st, "Pattern"); }; + base.ArrayPattern = function (node, st, c) { + for (var i = 0, list = node.elements; i < list.length; i += 1) { + var elt = list[i]; + + if (elt) { c(elt, st, "Pattern"); } + } + }; + base.ObjectPattern = function (node, st, c) { + for (var i = 0, list = node.properties; i < list.length; i += 1) { + var prop = list[i]; + + if (prop.type === "Property") { + if (prop.computed) { c(prop.key, st, "Expression"); } + c(prop.value, st, "Pattern"); + } else if (prop.type === "RestElement") { + c(prop.argument, st, "Pattern"); + } + } + }; + + base.Expression = skipThrough; + base.ThisExpression = base.Super = base.MetaProperty = ignore; + base.ArrayExpression = function (node, st, c) { + for (var i = 0, list = node.elements; i < list.length; i += 1) { + var elt = list[i]; + + if (elt) { c(elt, st, "Expression"); } + } + }; + base.ObjectExpression = function (node, st, c) { + for (var i = 0, list = node.properties; i < list.length; i += 1) + { + var prop = list[i]; + + c(prop, st); + } + }; + base.FunctionExpression = base.ArrowFunctionExpression = base.FunctionDeclaration; + base.SequenceExpression = function (node, st, c) { + for (var i = 0, list = node.expressions; i < list.length; i += 1) + { + var expr = list[i]; + + c(expr, st, "Expression"); + } + }; + base.TemplateLiteral = function (node, st, c) { + for (var i = 0, list = node.quasis; i < list.length; i += 1) + { + var quasi = list[i]; + + c(quasi, st); + } + + for (var i$1 = 0, list$1 = node.expressions; i$1 < list$1.length; i$1 += 1) + { + var expr = list$1[i$1]; + + c(expr, st, "Expression"); + } + }; + base.TemplateElement = ignore; + base.UnaryExpression = base.UpdateExpression = function (node, st, c) { + c(node.argument, st, "Expression"); + }; + base.BinaryExpression = base.LogicalExpression = function (node, st, c) { + c(node.left, st, "Expression"); + c(node.right, st, "Expression"); + }; + base.AssignmentExpression = base.AssignmentPattern = function (node, st, c) { + c(node.left, st, "Pattern"); + c(node.right, st, "Expression"); + }; + base.ConditionalExpression = function (node, st, c) { + c(node.test, st, "Expression"); + c(node.consequent, st, "Expression"); + c(node.alternate, st, "Expression"); + }; + base.NewExpression = base.CallExpression = function (node, st, c) { + c(node.callee, st, "Expression"); + if (node.arguments) + { for (var i = 0, list = node.arguments; i < list.length; i += 1) + { + var arg = list[i]; + + c(arg, st, "Expression"); + } } + }; + base.MemberExpression = function (node, st, c) { + c(node.object, st, "Expression"); + if (node.computed) { c(node.property, st, "Expression"); } + }; + base.ExportNamedDeclaration = base.ExportDefaultDeclaration = function (node, st, c) { + if (node.declaration) + { c(node.declaration, st, node.type === "ExportNamedDeclaration" || node.declaration.id ? "Statement" : "Expression"); } + if (node.source) { c(node.source, st, "Expression"); } + }; + base.ExportAllDeclaration = function (node, st, c) { + if (node.exported) + { c(node.exported, st); } + c(node.source, st, "Expression"); + }; + base.ImportDeclaration = function (node, st, c) { + for (var i = 0, list = node.specifiers; i < list.length; i += 1) + { + var spec = list[i]; + + c(spec, st); + } + c(node.source, st, "Expression"); + }; + base.ImportExpression = function (node, st, c) { + c(node.source, st, "Expression"); + }; + base.ImportSpecifier = base.ImportDefaultSpecifier = base.ImportNamespaceSpecifier = base.Identifier = base.PrivateIdentifier = base.Literal = ignore; + + base.TaggedTemplateExpression = function (node, st, c) { + c(node.tag, st, "Expression"); + c(node.quasi, st, "Expression"); + }; + base.ClassDeclaration = base.ClassExpression = function (node, st, c) { return c(node, st, "Class"); }; + base.Class = function (node, st, c) { + if (node.id) { c(node.id, st, "Pattern"); } + if (node.superClass) { c(node.superClass, st, "Expression"); } + c(node.body, st); + }; + base.ClassBody = function (node, st, c) { + for (var i = 0, list = node.body; i < list.length; i += 1) + { + var elt = list[i]; + + c(elt, st); + } + }; + base.MethodDefinition = base.PropertyDefinition = base.Property = function (node, st, c) { + if (node.computed) { c(node.key, st, "Expression"); } + if (node.value) { c(node.value, st, "Expression"); } + }; + + exports.ancestor = ancestor; + exports.base = base; + exports.findNodeAfter = findNodeAfter; + exports.findNodeAround = findNodeAround; + exports.findNodeAt = findNodeAt; + exports.findNodeBefore = findNodeBefore; + exports.full = full; + exports.fullAncestor = fullAncestor; + exports.make = make; + exports.recursive = recursive; + exports.simple = simple; + + Object.defineProperty(exports, '__esModule', { value: true }); + +}))); + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/acorn/dist/acorn.js": +/*!****************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/acorn/dist/acorn.js ***! + \****************************************************************************/ +/***/ (function(__unused_webpack_module, exports) { + +(function (global, factory) { + true ? factory(exports) : + 0; +})(this, (function (exports) { 'use strict'; + + // This file was generated. Do not modify manually! + var astralIdentifierCodes = [509, 0, 227, 0, 150, 4, 294, 9, 1368, 2, 2, 1, 6, 3, 41, 2, 5, 0, 166, 1, 574, 3, 9, 9, 370, 1, 81, 2, 71, 10, 50, 3, 123, 2, 54, 14, 32, 10, 3, 1, 11, 3, 46, 10, 8, 0, 46, 9, 7, 2, 37, 13, 2, 9, 6, 1, 45, 0, 13, 2, 49, 13, 9, 3, 2, 11, 83, 11, 7, 0, 3, 0, 158, 11, 6, 9, 7, 3, 56, 1, 2, 6, 3, 1, 3, 2, 10, 0, 11, 1, 3, 6, 4, 4, 193, 17, 10, 9, 5, 0, 82, 19, 13, 9, 214, 6, 3, 8, 28, 1, 83, 16, 16, 9, 82, 12, 9, 9, 84, 14, 5, 9, 243, 14, 166, 9, 71, 5, 2, 1, 3, 3, 2, 0, 2, 1, 13, 9, 120, 6, 3, 6, 4, 0, 29, 9, 41, 6, 2, 3, 9, 0, 10, 10, 47, 15, 406, 7, 2, 7, 17, 9, 57, 21, 2, 13, 123, 5, 4, 0, 2, 1, 2, 6, 2, 0, 9, 9, 49, 4, 2, 1, 2, 4, 9, 9, 330, 3, 10, 1, 2, 0, 49, 6, 4, 4, 14, 9, 5351, 0, 7, 14, 13835, 9, 87, 9, 39, 4, 60, 6, 26, 9, 1014, 0, 2, 54, 8, 3, 82, 0, 12, 1, 19628, 1, 4706, 45, 3, 22, 543, 4, 4, 5, 9, 7, 3, 6, 31, 3, 149, 2, 1418, 49, 513, 54, 5, 49, 9, 0, 15, 0, 23, 4, 2, 14, 1361, 6, 2, 16, 3, 6, 2, 1, 2, 4, 101, 0, 161, 6, 10, 9, 357, 0, 62, 13, 499, 13, 983, 6, 110, 6, 6, 9, 4759, 9, 787719, 239]; + + // This file was generated. Do not modify manually! + var astralIdentifierStartCodes = [0, 11, 2, 25, 2, 18, 2, 1, 2, 14, 3, 13, 35, 122, 70, 52, 268, 28, 4, 48, 48, 31, 14, 29, 6, 37, 11, 29, 3, 35, 5, 7, 2, 4, 43, 157, 19, 35, 5, 35, 5, 39, 9, 51, 13, 10, 2, 14, 2, 6, 2, 1, 2, 10, 2, 14, 2, 6, 2, 1, 68, 310, 10, 21, 11, 7, 25, 5, 2, 41, 2, 8, 70, 5, 3, 0, 2, 43, 2, 1, 4, 0, 3, 22, 11, 22, 10, 30, 66, 18, 2, 1, 11, 21, 11, 25, 71, 55, 7, 1, 65, 0, 16, 3, 2, 2, 2, 28, 43, 28, 4, 28, 36, 7, 2, 27, 28, 53, 11, 21, 11, 18, 14, 17, 111, 72, 56, 50, 14, 50, 14, 35, 349, 41, 7, 1, 79, 28, 11, 0, 9, 21, 43, 17, 47, 20, 28, 22, 13, 52, 58, 1, 3, 0, 14, 44, 33, 24, 27, 35, 30, 0, 3, 0, 9, 34, 4, 0, 13, 47, 15, 3, 22, 0, 2, 0, 36, 17, 2, 24, 20, 1, 64, 6, 2, 0, 2, 3, 2, 14, 2, 9, 8, 46, 39, 7, 3, 1, 3, 21, 2, 6, 2, 1, 2, 4, 4, 0, 19, 0, 13, 4, 159, 52, 19, 3, 21, 2, 31, 47, 21, 1, 2, 0, 185, 46, 42, 3, 37, 47, 21, 0, 60, 42, 14, 0, 72, 26, 38, 6, 186, 43, 117, 63, 32, 7, 3, 0, 3, 7, 2, 1, 2, 23, 16, 0, 2, 0, 95, 7, 3, 38, 17, 0, 2, 0, 29, 0, 11, 39, 8, 0, 22, 0, 12, 45, 20, 0, 19, 72, 264, 8, 2, 36, 18, 0, 50, 29, 113, 6, 2, 1, 2, 37, 22, 0, 26, 5, 2, 1, 2, 31, 15, 0, 328, 18, 16, 0, 2, 12, 2, 33, 125, 0, 80, 921, 103, 110, 18, 195, 2637, 96, 16, 1071, 18, 5, 4026, 582, 8634, 568, 8, 30, 18, 78, 18, 29, 19, 47, 17, 3, 32, 20, 6, 18, 689, 63, 129, 74, 6, 0, 67, 12, 65, 1, 2, 0, 29, 6135, 9, 1237, 43, 8, 8936, 3, 2, 6, 2, 1, 2, 290, 16, 0, 30, 2, 3, 0, 15, 3, 9, 395, 2309, 106, 6, 12, 4, 8, 8, 9, 5991, 84, 2, 70, 2, 1, 3, 0, 3, 1, 3, 3, 2, 11, 2, 0, 2, 6, 2, 64, 2, 3, 3, 7, 2, 6, 2, 27, 2, 3, 2, 4, 2, 0, 4, 6, 2, 339, 3, 24, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 7, 1845, 30, 7, 5, 262, 61, 147, 44, 11, 6, 17, 0, 322, 29, 19, 43, 485, 27, 757, 6, 2, 3, 2, 1, 2, 14, 2, 196, 60, 67, 8, 0, 1205, 3, 2, 26, 2, 1, 2, 0, 3, 0, 2, 9, 2, 3, 2, 0, 2, 0, 7, 0, 5, 0, 2, 0, 2, 0, 2, 2, 2, 1, 2, 0, 3, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 3, 3, 2, 6, 2, 3, 2, 3, 2, 0, 2, 9, 2, 16, 6, 2, 2, 4, 2, 16, 4421, 42719, 33, 4153, 7, 221, 3, 5761, 15, 7472, 3104, 541, 1507, 4938, 6, 4191]; + + // This file was generated. Do not modify manually! + var nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u07fd\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u0898-\u089f\u08ca-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u09fe\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0afa-\u0aff\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b55-\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c04\u0c3c\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0cf3\u0d00-\u0d03\u0d3b\u0d3c\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d81-\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0ebc\u0ec8-\u0ece\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1715\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u180f-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1abf-\u1ace\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf4\u1cf7-\u1cf9\u1dc0-\u1dff\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua82c\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua8ff-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f"; + + // This file was generated. Do not modify manually! + var nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u0870-\u0887\u0889-\u088e\u08a0-\u08c9\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c5d\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cdd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d04-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u1711\u171f-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4c\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31bf\u31f0-\u31ff\u3400-\u4dbf\u4e00-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7ca\ua7d0\ua7d1\ua7d3\ua7d5-\ua7d9\ua7f2-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab69\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc"; + + // These are a run-length and offset encoded representation of the + + // Reserved word lists for various dialects of the language + + var reservedWords = { + 3: "abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile", + 5: "class enum extends super const export import", + 6: "enum", + strict: "implements interface let package private protected public static yield", + strictBind: "eval arguments" + }; + + // And the keywords + + var ecma5AndLessKeywords = "break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this"; + + var keywords$1 = { + 5: ecma5AndLessKeywords, + "5module": ecma5AndLessKeywords + " export import", + 6: ecma5AndLessKeywords + " const class extends export import super" + }; + + var keywordRelationalOperator = /^in(stanceof)?$/; + + // ## Character categories + + var nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]"); + var nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]"); + + // This has a complexity linear to the value of the code. The + // assumption is that looking up astral identifier characters is + // rare. + function isInAstralSet(code, set) { + var pos = 0x10000; + for (var i = 0; i < set.length; i += 2) { + pos += set[i]; + if (pos > code) { return false } + pos += set[i + 1]; + if (pos >= code) { return true } + } + return false + } + + // Test whether a given character code starts an identifier. + + function isIdentifierStart(code, astral) { + if (code < 65) { return code === 36 } + if (code < 91) { return true } + if (code < 97) { return code === 95 } + if (code < 123) { return true } + if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code)) } + if (astral === false) { return false } + return isInAstralSet(code, astralIdentifierStartCodes) + } + + // Test whether a given character is part of an identifier. + + function isIdentifierChar(code, astral) { + if (code < 48) { return code === 36 } + if (code < 58) { return true } + if (code < 65) { return false } + if (code < 91) { return true } + if (code < 97) { return code === 95 } + if (code < 123) { return true } + if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code)) } + if (astral === false) { return false } + return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes) + } + + // ## Token types + + // The assignment of fine-grained, information-carrying type objects + // allows the tokenizer to store the information it has about a + // token in a way that is very cheap for the parser to look up. + + // All token type variables start with an underscore, to make them + // easy to recognize. + + // The `beforeExpr` property is used to disambiguate between regular + // expressions and divisions. It is set on all token types that can + // be followed by an expression (thus, a slash after them would be a + // regular expression). + // + // The `startsExpr` property is used to check if the token ends a + // `yield` expression. It is set on all token types that either can + // directly start an expression (like a quotation mark) or can + // continue an expression (like the body of a string). + // + // `isLoop` marks a keyword as starting a loop, which is important + // to know when parsing a label, in order to allow or disallow + // continue jumps to that label. + + var TokenType = function TokenType(label, conf) { + if ( conf === void 0 ) conf = {}; + + this.label = label; + this.keyword = conf.keyword; + this.beforeExpr = !!conf.beforeExpr; + this.startsExpr = !!conf.startsExpr; + this.isLoop = !!conf.isLoop; + this.isAssign = !!conf.isAssign; + this.prefix = !!conf.prefix; + this.postfix = !!conf.postfix; + this.binop = conf.binop || null; + this.updateContext = null; + }; + + function binop(name, prec) { + return new TokenType(name, {beforeExpr: true, binop: prec}) + } + var beforeExpr = {beforeExpr: true}, startsExpr = {startsExpr: true}; + + // Map keyword names to token types. + + var keywords = {}; + + // Succinct definitions of keyword token types + function kw(name, options) { + if ( options === void 0 ) options = {}; + + options.keyword = name; + return keywords[name] = new TokenType(name, options) + } + + var types$1 = { + num: new TokenType("num", startsExpr), + regexp: new TokenType("regexp", startsExpr), + string: new TokenType("string", startsExpr), + name: new TokenType("name", startsExpr), + privateId: new TokenType("privateId", startsExpr), + eof: new TokenType("eof"), + + // Punctuation token types. + bracketL: new TokenType("[", {beforeExpr: true, startsExpr: true}), + bracketR: new TokenType("]"), + braceL: new TokenType("{", {beforeExpr: true, startsExpr: true}), + braceR: new TokenType("}"), + parenL: new TokenType("(", {beforeExpr: true, startsExpr: true}), + parenR: new TokenType(")"), + comma: new TokenType(",", beforeExpr), + semi: new TokenType(";", beforeExpr), + colon: new TokenType(":", beforeExpr), + dot: new TokenType("."), + question: new TokenType("?", beforeExpr), + questionDot: new TokenType("?."), + arrow: new TokenType("=>", beforeExpr), + template: new TokenType("template"), + invalidTemplate: new TokenType("invalidTemplate"), + ellipsis: new TokenType("...", beforeExpr), + backQuote: new TokenType("`", startsExpr), + dollarBraceL: new TokenType("${", {beforeExpr: true, startsExpr: true}), + + // Operators. These carry several kinds of properties to help the + // parser use them properly (the presence of these properties is + // what categorizes them as operators). + // + // `binop`, when present, specifies that this operator is a binary + // operator, and will refer to its precedence. + // + // `prefix` and `postfix` mark the operator as a prefix or postfix + // unary operator. + // + // `isAssign` marks all of `=`, `+=`, `-=` etcetera, which act as + // binary operators with a very low precedence, that should result + // in AssignmentExpression nodes. + + eq: new TokenType("=", {beforeExpr: true, isAssign: true}), + assign: new TokenType("_=", {beforeExpr: true, isAssign: true}), + incDec: new TokenType("++/--", {prefix: true, postfix: true, startsExpr: true}), + prefix: new TokenType("!/~", {beforeExpr: true, prefix: true, startsExpr: true}), + logicalOR: binop("||", 1), + logicalAND: binop("&&", 2), + bitwiseOR: binop("|", 3), + bitwiseXOR: binop("^", 4), + bitwiseAND: binop("&", 5), + equality: binop("==/!=/===/!==", 6), + relational: binop("/<=/>=", 7), + bitShift: binop("<>/>>>", 8), + plusMin: new TokenType("+/-", {beforeExpr: true, binop: 9, prefix: true, startsExpr: true}), + modulo: binop("%", 10), + star: binop("*", 10), + slash: binop("/", 10), + starstar: new TokenType("**", {beforeExpr: true}), + coalesce: binop("??", 1), + + // Keyword token types. + _break: kw("break"), + _case: kw("case", beforeExpr), + _catch: kw("catch"), + _continue: kw("continue"), + _debugger: kw("debugger"), + _default: kw("default", beforeExpr), + _do: kw("do", {isLoop: true, beforeExpr: true}), + _else: kw("else", beforeExpr), + _finally: kw("finally"), + _for: kw("for", {isLoop: true}), + _function: kw("function", startsExpr), + _if: kw("if"), + _return: kw("return", beforeExpr), + _switch: kw("switch"), + _throw: kw("throw", beforeExpr), + _try: kw("try"), + _var: kw("var"), + _const: kw("const"), + _while: kw("while", {isLoop: true}), + _with: kw("with"), + _new: kw("new", {beforeExpr: true, startsExpr: true}), + _this: kw("this", startsExpr), + _super: kw("super", startsExpr), + _class: kw("class", startsExpr), + _extends: kw("extends", beforeExpr), + _export: kw("export"), + _import: kw("import", startsExpr), + _null: kw("null", startsExpr), + _true: kw("true", startsExpr), + _false: kw("false", startsExpr), + _in: kw("in", {beforeExpr: true, binop: 7}), + _instanceof: kw("instanceof", {beforeExpr: true, binop: 7}), + _typeof: kw("typeof", {beforeExpr: true, prefix: true, startsExpr: true}), + _void: kw("void", {beforeExpr: true, prefix: true, startsExpr: true}), + _delete: kw("delete", {beforeExpr: true, prefix: true, startsExpr: true}) + }; + + // Matches a whole line break (where CRLF is considered a single + // line break). Used to count lines. + + var lineBreak = /\r\n?|\n|\u2028|\u2029/; + var lineBreakG = new RegExp(lineBreak.source, "g"); + + function isNewLine(code) { + return code === 10 || code === 13 || code === 0x2028 || code === 0x2029 + } + + function nextLineBreak(code, from, end) { + if ( end === void 0 ) end = code.length; + + for (var i = from; i < end; i++) { + var next = code.charCodeAt(i); + if (isNewLine(next)) + { return i < end - 1 && next === 13 && code.charCodeAt(i + 1) === 10 ? i + 2 : i + 1 } + } + return -1 + } + + var nonASCIIwhitespace = /[\u1680\u2000-\u200a\u202f\u205f\u3000\ufeff]/; + + var skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g; + + var ref = Object.prototype; + var hasOwnProperty = ref.hasOwnProperty; + var toString = ref.toString; + + var hasOwn = Object.hasOwn || (function (obj, propName) { return ( + hasOwnProperty.call(obj, propName) + ); }); + + var isArray = Array.isArray || (function (obj) { return ( + toString.call(obj) === "[object Array]" + ); }); + + function wordsRegexp(words) { + return new RegExp("^(?:" + words.replace(/ /g, "|") + ")$") + } + + function codePointToString(code) { + // UTF-16 Decoding + if (code <= 0xFFFF) { return String.fromCharCode(code) } + code -= 0x10000; + return String.fromCharCode((code >> 10) + 0xD800, (code & 1023) + 0xDC00) + } + + var loneSurrogate = /(?:[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/; + + // These are used when `options.locations` is on, for the + // `startLoc` and `endLoc` properties. + + var Position = function Position(line, col) { + this.line = line; + this.column = col; + }; + + Position.prototype.offset = function offset (n) { + return new Position(this.line, this.column + n) + }; + + var SourceLocation = function SourceLocation(p, start, end) { + this.start = start; + this.end = end; + if (p.sourceFile !== null) { this.source = p.sourceFile; } + }; + + // The `getLineInfo` function is mostly useful when the + // `locations` option is off (for performance reasons) and you + // want to find the line/column position for a given character + // offset. `input` should be the code string that the offset refers + // into. + + function getLineInfo(input, offset) { + for (var line = 1, cur = 0;;) { + var nextBreak = nextLineBreak(input, cur, offset); + if (nextBreak < 0) { return new Position(line, offset - cur) } + ++line; + cur = nextBreak; + } + } + + // A second argument must be given to configure the parser process. + // These options are recognized (only `ecmaVersion` is required): + + var defaultOptions = { + // `ecmaVersion` indicates the ECMAScript version to parse. Must be + // either 3, 5, 6 (or 2015), 7 (2016), 8 (2017), 9 (2018), 10 + // (2019), 11 (2020), 12 (2021), 13 (2022), 14 (2023), or `"latest"` + // (the latest version the library supports). This influences + // support for strict mode, the set of reserved words, and support + // for new syntax features. + ecmaVersion: null, + // `sourceType` indicates the mode the code should be parsed in. + // Can be either `"script"` or `"module"`. This influences global + // strict mode and parsing of `import` and `export` declarations. + sourceType: "script", + // `onInsertedSemicolon` can be a callback that will be called + // when a semicolon is automatically inserted. It will be passed + // the position of the comma as an offset, and if `locations` is + // enabled, it is given the location as a `{line, column}` object + // as second argument. + onInsertedSemicolon: null, + // `onTrailingComma` is similar to `onInsertedSemicolon`, but for + // trailing commas. + onTrailingComma: null, + // By default, reserved words are only enforced if ecmaVersion >= 5. + // Set `allowReserved` to a boolean value to explicitly turn this on + // an off. When this option has the value "never", reserved words + // and keywords can also not be used as property names. + allowReserved: null, + // When enabled, a return at the top level is not considered an + // error. + allowReturnOutsideFunction: false, + // When enabled, import/export statements are not constrained to + // appearing at the top of the program, and an import.meta expression + // in a script isn't considered an error. + allowImportExportEverywhere: false, + // By default, await identifiers are allowed to appear at the top-level scope only if ecmaVersion >= 2022. + // When enabled, await identifiers are allowed to appear at the top-level scope, + // but they are still not allowed in non-async functions. + allowAwaitOutsideFunction: null, + // When enabled, super identifiers are not constrained to + // appearing in methods and do not raise an error when they appear elsewhere. + allowSuperOutsideMethod: null, + // When enabled, hashbang directive in the beginning of file is + // allowed and treated as a line comment. Enabled by default when + // `ecmaVersion` >= 2023. + allowHashBang: false, + // When `locations` is on, `loc` properties holding objects with + // `start` and `end` properties in `{line, column}` form (with + // line being 1-based and column 0-based) will be attached to the + // nodes. + locations: false, + // A function can be passed as `onToken` option, which will + // cause Acorn to call that function with object in the same + // format as tokens returned from `tokenizer().getToken()`. Note + // that you are not allowed to call the parser from the + // callback—that will corrupt its internal state. + onToken: null, + // A function can be passed as `onComment` option, which will + // cause Acorn to call that function with `(block, text, start, + // end)` parameters whenever a comment is skipped. `block` is a + // boolean indicating whether this is a block (`/* */`) comment, + // `text` is the content of the comment, and `start` and `end` are + // character offsets that denote the start and end of the comment. + // When the `locations` option is on, two more parameters are + // passed, the full `{line, column}` locations of the start and + // end of the comments. Note that you are not allowed to call the + // parser from the callback—that will corrupt its internal state. + onComment: null, + // Nodes have their start and end characters offsets recorded in + // `start` and `end` properties (directly on the node, rather than + // the `loc` object, which holds line/column data. To also add a + // [semi-standardized][range] `range` property holding a `[start, + // end]` array with the same numbers, set the `ranges` option to + // `true`. + // + // [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678 + ranges: false, + // It is possible to parse multiple files into a single AST by + // passing the tree produced by parsing the first file as + // `program` option in subsequent parses. This will add the + // toplevel forms of the parsed file to the `Program` (top) node + // of an existing parse tree. + program: null, + // When `locations` is on, you can pass this to record the source + // file in every node's `loc` object. + sourceFile: null, + // This value, if given, is stored in every node, whether + // `locations` is on or off. + directSourceFile: null, + // When enabled, parenthesized expressions are represented by + // (non-standard) ParenthesizedExpression nodes + preserveParens: false + }; + + // Interpret and default an options object + + var warnedAboutEcmaVersion = false; + + function getOptions(opts) { + var options = {}; + + for (var opt in defaultOptions) + { options[opt] = opts && hasOwn(opts, opt) ? opts[opt] : defaultOptions[opt]; } + + if (options.ecmaVersion === "latest") { + options.ecmaVersion = 1e8; + } else if (options.ecmaVersion == null) { + if (!warnedAboutEcmaVersion && typeof console === "object" && console.warn) { + warnedAboutEcmaVersion = true; + console.warn("Since Acorn 8.0.0, options.ecmaVersion is required.\nDefaulting to 2020, but this will stop working in the future."); + } + options.ecmaVersion = 11; + } else if (options.ecmaVersion >= 2015) { + options.ecmaVersion -= 2009; + } + + if (options.allowReserved == null) + { options.allowReserved = options.ecmaVersion < 5; } + + if (!opts || opts.allowHashBang == null) + { options.allowHashBang = options.ecmaVersion >= 14; } + + if (isArray(options.onToken)) { + var tokens = options.onToken; + options.onToken = function (token) { return tokens.push(token); }; + } + if (isArray(options.onComment)) + { options.onComment = pushComment(options, options.onComment); } + + return options + } + + function pushComment(options, array) { + return function(block, text, start, end, startLoc, endLoc) { + var comment = { + type: block ? "Block" : "Line", + value: text, + start: start, + end: end + }; + if (options.locations) + { comment.loc = new SourceLocation(this, startLoc, endLoc); } + if (options.ranges) + { comment.range = [start, end]; } + array.push(comment); + } + } + + // Each scope gets a bitset that may contain these flags + var + SCOPE_TOP = 1, + SCOPE_FUNCTION = 2, + SCOPE_ASYNC = 4, + SCOPE_GENERATOR = 8, + SCOPE_ARROW = 16, + SCOPE_SIMPLE_CATCH = 32, + SCOPE_SUPER = 64, + SCOPE_DIRECT_SUPER = 128, + SCOPE_CLASS_STATIC_BLOCK = 256, + SCOPE_VAR = SCOPE_TOP | SCOPE_FUNCTION | SCOPE_CLASS_STATIC_BLOCK; + + function functionFlags(async, generator) { + return SCOPE_FUNCTION | (async ? SCOPE_ASYNC : 0) | (generator ? SCOPE_GENERATOR : 0) + } + + // Used in checkLVal* and declareName to determine the type of a binding + var + BIND_NONE = 0, // Not a binding + BIND_VAR = 1, // Var-style binding + BIND_LEXICAL = 2, // Let- or const-style binding + BIND_FUNCTION = 3, // Function declaration + BIND_SIMPLE_CATCH = 4, // Simple (identifier pattern) catch binding + BIND_OUTSIDE = 5; // Special case for function names as bound inside the function + + var Parser = function Parser(options, input, startPos) { + this.options = options = getOptions(options); + this.sourceFile = options.sourceFile; + this.keywords = wordsRegexp(keywords$1[options.ecmaVersion >= 6 ? 6 : options.sourceType === "module" ? "5module" : 5]); + var reserved = ""; + if (options.allowReserved !== true) { + reserved = reservedWords[options.ecmaVersion >= 6 ? 6 : options.ecmaVersion === 5 ? 5 : 3]; + if (options.sourceType === "module") { reserved += " await"; } + } + this.reservedWords = wordsRegexp(reserved); + var reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict; + this.reservedWordsStrict = wordsRegexp(reservedStrict); + this.reservedWordsStrictBind = wordsRegexp(reservedStrict + " " + reservedWords.strictBind); + this.input = String(input); + + // Used to signal to callers of `readWord1` whether the word + // contained any escape sequences. This is needed because words with + // escape sequences must not be interpreted as keywords. + this.containsEsc = false; + + // Set up token state + + // The current position of the tokenizer in the input. + if (startPos) { + this.pos = startPos; + this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1; + this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length; + } else { + this.pos = this.lineStart = 0; + this.curLine = 1; + } + + // Properties of the current token: + // Its type + this.type = types$1.eof; + // For tokens that include more information than their type, the value + this.value = null; + // Its start and end offset + this.start = this.end = this.pos; + // And, if locations are used, the {line, column} object + // corresponding to those offsets + this.startLoc = this.endLoc = this.curPosition(); + + // Position information for the previous token + this.lastTokEndLoc = this.lastTokStartLoc = null; + this.lastTokStart = this.lastTokEnd = this.pos; + + // The context stack is used to superficially track syntactic + // context to predict whether a regular expression is allowed in a + // given position. + this.context = this.initialContext(); + this.exprAllowed = true; + + // Figure out if it's a module code. + this.inModule = options.sourceType === "module"; + this.strict = this.inModule || this.strictDirective(this.pos); + + // Used to signify the start of a potential arrow function + this.potentialArrowAt = -1; + this.potentialArrowInForAwait = false; + + // Positions to delayed-check that yield/await does not exist in default parameters. + this.yieldPos = this.awaitPos = this.awaitIdentPos = 0; + // Labels in scope. + this.labels = []; + // Thus-far undefined exports. + this.undefinedExports = Object.create(null); + + // If enabled, skip leading hashbang line. + if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === "#!") + { this.skipLineComment(2); } + + // Scope tracking for duplicate variable names (see scope.js) + this.scopeStack = []; + this.enterScope(SCOPE_TOP); + + // For RegExp validation + this.regexpState = null; + + // The stack of private names. + // Each element has two properties: 'declared' and 'used'. + // When it exited from the outermost class definition, all used private names must be declared. + this.privateNameStack = []; + }; + + var prototypeAccessors = { inFunction: { configurable: true },inGenerator: { configurable: true },inAsync: { configurable: true },canAwait: { configurable: true },allowSuper: { configurable: true },allowDirectSuper: { configurable: true },treatFunctionsAsVar: { configurable: true },allowNewDotTarget: { configurable: true },inClassStaticBlock: { configurable: true } }; + + Parser.prototype.parse = function parse () { + var node = this.options.program || this.startNode(); + this.nextToken(); + return this.parseTopLevel(node) + }; + + prototypeAccessors.inFunction.get = function () { return (this.currentVarScope().flags & SCOPE_FUNCTION) > 0 }; + + prototypeAccessors.inGenerator.get = function () { return (this.currentVarScope().flags & SCOPE_GENERATOR) > 0 && !this.currentVarScope().inClassFieldInit }; + + prototypeAccessors.inAsync.get = function () { return (this.currentVarScope().flags & SCOPE_ASYNC) > 0 && !this.currentVarScope().inClassFieldInit }; + + prototypeAccessors.canAwait.get = function () { + for (var i = this.scopeStack.length - 1; i >= 0; i--) { + var scope = this.scopeStack[i]; + if (scope.inClassFieldInit || scope.flags & SCOPE_CLASS_STATIC_BLOCK) { return false } + if (scope.flags & SCOPE_FUNCTION) { return (scope.flags & SCOPE_ASYNC) > 0 } + } + return (this.inModule && this.options.ecmaVersion >= 13) || this.options.allowAwaitOutsideFunction + }; + + prototypeAccessors.allowSuper.get = function () { + var ref = this.currentThisScope(); + var flags = ref.flags; + var inClassFieldInit = ref.inClassFieldInit; + return (flags & SCOPE_SUPER) > 0 || inClassFieldInit || this.options.allowSuperOutsideMethod + }; + + prototypeAccessors.allowDirectSuper.get = function () { return (this.currentThisScope().flags & SCOPE_DIRECT_SUPER) > 0 }; + + prototypeAccessors.treatFunctionsAsVar.get = function () { return this.treatFunctionsAsVarInScope(this.currentScope()) }; + + prototypeAccessors.allowNewDotTarget.get = function () { + var ref = this.currentThisScope(); + var flags = ref.flags; + var inClassFieldInit = ref.inClassFieldInit; + return (flags & (SCOPE_FUNCTION | SCOPE_CLASS_STATIC_BLOCK)) > 0 || inClassFieldInit + }; + + prototypeAccessors.inClassStaticBlock.get = function () { + return (this.currentVarScope().flags & SCOPE_CLASS_STATIC_BLOCK) > 0 + }; + + Parser.extend = function extend () { + var plugins = [], len = arguments.length; + while ( len-- ) plugins[ len ] = arguments[ len ]; + + var cls = this; + for (var i = 0; i < plugins.length; i++) { cls = plugins[i](cls); } + return cls + }; + + Parser.parse = function parse (input, options) { + return new this(options, input).parse() + }; + + Parser.parseExpressionAt = function parseExpressionAt (input, pos, options) { + var parser = new this(options, input, pos); + parser.nextToken(); + return parser.parseExpression() + }; + + Parser.tokenizer = function tokenizer (input, options) { + return new this(options, input) + }; + + Object.defineProperties( Parser.prototype, prototypeAccessors ); + + var pp$9 = Parser.prototype; + + // ## Parser utilities + + var literal = /^(?:'((?:\\.|[^'\\])*?)'|"((?:\\.|[^"\\])*?)")/; + pp$9.strictDirective = function(start) { + if (this.options.ecmaVersion < 5) { return false } + for (;;) { + // Try to find string literal. + skipWhiteSpace.lastIndex = start; + start += skipWhiteSpace.exec(this.input)[0].length; + var match = literal.exec(this.input.slice(start)); + if (!match) { return false } + if ((match[1] || match[2]) === "use strict") { + skipWhiteSpace.lastIndex = start + match[0].length; + var spaceAfter = skipWhiteSpace.exec(this.input), end = spaceAfter.index + spaceAfter[0].length; + var next = this.input.charAt(end); + return next === ";" || next === "}" || + (lineBreak.test(spaceAfter[0]) && + !(/[(`.[+\-/*%<>=,?^&]/.test(next) || next === "!" && this.input.charAt(end + 1) === "=")) + } + start += match[0].length; + + // Skip semicolon, if any. + skipWhiteSpace.lastIndex = start; + start += skipWhiteSpace.exec(this.input)[0].length; + if (this.input[start] === ";") + { start++; } + } + }; + + // Predicate that tests whether the next token is of the given + // type, and if yes, consumes it as a side effect. + + pp$9.eat = function(type) { + if (this.type === type) { + this.next(); + return true + } else { + return false + } + }; + + // Tests whether parsed token is a contextual keyword. + + pp$9.isContextual = function(name) { + return this.type === types$1.name && this.value === name && !this.containsEsc + }; + + // Consumes contextual keyword if possible. + + pp$9.eatContextual = function(name) { + if (!this.isContextual(name)) { return false } + this.next(); + return true + }; + + // Asserts that following token is given contextual keyword. + + pp$9.expectContextual = function(name) { + if (!this.eatContextual(name)) { this.unexpected(); } + }; + + // Test whether a semicolon can be inserted at the current position. + + pp$9.canInsertSemicolon = function() { + return this.type === types$1.eof || + this.type === types$1.braceR || + lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) + }; + + pp$9.insertSemicolon = function() { + if (this.canInsertSemicolon()) { + if (this.options.onInsertedSemicolon) + { this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc); } + return true + } + }; + + // Consume a semicolon, or, failing that, see if we are allowed to + // pretend that there is a semicolon at this position. + + pp$9.semicolon = function() { + if (!this.eat(types$1.semi) && !this.insertSemicolon()) { this.unexpected(); } + }; + + pp$9.afterTrailingComma = function(tokType, notNext) { + if (this.type === tokType) { + if (this.options.onTrailingComma) + { this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc); } + if (!notNext) + { this.next(); } + return true + } + }; + + // Expect a token of a given type. If found, consume it, otherwise, + // raise an unexpected token error. + + pp$9.expect = function(type) { + this.eat(type) || this.unexpected(); + }; + + // Raise an unexpected token error. + + pp$9.unexpected = function(pos) { + this.raise(pos != null ? pos : this.start, "Unexpected token"); + }; + + var DestructuringErrors = function DestructuringErrors() { + this.shorthandAssign = + this.trailingComma = + this.parenthesizedAssign = + this.parenthesizedBind = + this.doubleProto = + -1; + }; + + pp$9.checkPatternErrors = function(refDestructuringErrors, isAssign) { + if (!refDestructuringErrors) { return } + if (refDestructuringErrors.trailingComma > -1) + { this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element"); } + var parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind; + if (parens > -1) { this.raiseRecoverable(parens, isAssign ? "Assigning to rvalue" : "Parenthesized pattern"); } + }; + + pp$9.checkExpressionErrors = function(refDestructuringErrors, andThrow) { + if (!refDestructuringErrors) { return false } + var shorthandAssign = refDestructuringErrors.shorthandAssign; + var doubleProto = refDestructuringErrors.doubleProto; + if (!andThrow) { return shorthandAssign >= 0 || doubleProto >= 0 } + if (shorthandAssign >= 0) + { this.raise(shorthandAssign, "Shorthand property assignments are valid only in destructuring patterns"); } + if (doubleProto >= 0) + { this.raiseRecoverable(doubleProto, "Redefinition of __proto__ property"); } + }; + + pp$9.checkYieldAwaitInDefaultParams = function() { + if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos)) + { this.raise(this.yieldPos, "Yield expression cannot be a default value"); } + if (this.awaitPos) + { this.raise(this.awaitPos, "Await expression cannot be a default value"); } + }; + + pp$9.isSimpleAssignTarget = function(expr) { + if (expr.type === "ParenthesizedExpression") + { return this.isSimpleAssignTarget(expr.expression) } + return expr.type === "Identifier" || expr.type === "MemberExpression" + }; + + var pp$8 = Parser.prototype; + + // ### Statement parsing + + // Parse a program. Initializes the parser, reads any number of + // statements, and wraps them in a Program node. Optionally takes a + // `program` argument. If present, the statements will be appended + // to its body instead of creating a new node. + + pp$8.parseTopLevel = function(node) { + var exports = Object.create(null); + if (!node.body) { node.body = []; } + while (this.type !== types$1.eof) { + var stmt = this.parseStatement(null, true, exports); + node.body.push(stmt); + } + if (this.inModule) + { for (var i = 0, list = Object.keys(this.undefinedExports); i < list.length; i += 1) + { + var name = list[i]; + + this.raiseRecoverable(this.undefinedExports[name].start, ("Export '" + name + "' is not defined")); + } } + this.adaptDirectivePrologue(node.body); + this.next(); + node.sourceType = this.options.sourceType; + return this.finishNode(node, "Program") + }; + + var loopLabel = {kind: "loop"}, switchLabel = {kind: "switch"}; + + pp$8.isLet = function(context) { + if (this.options.ecmaVersion < 6 || !this.isContextual("let")) { return false } + skipWhiteSpace.lastIndex = this.pos; + var skip = skipWhiteSpace.exec(this.input); + var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next); + // For ambiguous cases, determine if a LexicalDeclaration (or only a + // Statement) is allowed here. If context is not empty then only a Statement + // is allowed. However, `let [` is an explicit negative lookahead for + // ExpressionStatement, so special-case it first. + if (nextCh === 91 || nextCh === 92) { return true } // '[', '/' + if (context) { return false } + + if (nextCh === 123 || nextCh > 0xd7ff && nextCh < 0xdc00) { return true } // '{', astral + if (isIdentifierStart(nextCh, true)) { + var pos = next + 1; + while (isIdentifierChar(nextCh = this.input.charCodeAt(pos), true)) { ++pos; } + if (nextCh === 92 || nextCh > 0xd7ff && nextCh < 0xdc00) { return true } + var ident = this.input.slice(next, pos); + if (!keywordRelationalOperator.test(ident)) { return true } + } + return false + }; + + // check 'async [no LineTerminator here] function' + // - 'async /*foo*/ function' is OK. + // - 'async /*\n*/ function' is invalid. + pp$8.isAsyncFunction = function() { + if (this.options.ecmaVersion < 8 || !this.isContextual("async")) + { return false } + + skipWhiteSpace.lastIndex = this.pos; + var skip = skipWhiteSpace.exec(this.input); + var next = this.pos + skip[0].length, after; + return !lineBreak.test(this.input.slice(this.pos, next)) && + this.input.slice(next, next + 8) === "function" && + (next + 8 === this.input.length || + !(isIdentifierChar(after = this.input.charCodeAt(next + 8)) || after > 0xd7ff && after < 0xdc00)) + }; + + // Parse a single statement. + // + // If expecting a statement and finding a slash operator, parse a + // regular expression literal. This is to handle cases like + // `if (foo) /blah/.exec(foo)`, where looking at the previous token + // does not help. + + pp$8.parseStatement = function(context, topLevel, exports) { + var starttype = this.type, node = this.startNode(), kind; + + if (this.isLet(context)) { + starttype = types$1._var; + kind = "let"; + } + + // Most types of statements are recognized by the keyword they + // start with. Many are trivial to parse, some require a bit of + // complexity. + + switch (starttype) { + case types$1._break: case types$1._continue: return this.parseBreakContinueStatement(node, starttype.keyword) + case types$1._debugger: return this.parseDebuggerStatement(node) + case types$1._do: return this.parseDoStatement(node) + case types$1._for: return this.parseForStatement(node) + case types$1._function: + // Function as sole body of either an if statement or a labeled statement + // works, but not when it is part of a labeled statement that is the sole + // body of an if statement. + if ((context && (this.strict || context !== "if" && context !== "label")) && this.options.ecmaVersion >= 6) { this.unexpected(); } + return this.parseFunctionStatement(node, false, !context) + case types$1._class: + if (context) { this.unexpected(); } + return this.parseClass(node, true) + case types$1._if: return this.parseIfStatement(node) + case types$1._return: return this.parseReturnStatement(node) + case types$1._switch: return this.parseSwitchStatement(node) + case types$1._throw: return this.parseThrowStatement(node) + case types$1._try: return this.parseTryStatement(node) + case types$1._const: case types$1._var: + kind = kind || this.value; + if (context && kind !== "var") { this.unexpected(); } + return this.parseVarStatement(node, kind) + case types$1._while: return this.parseWhileStatement(node) + case types$1._with: return this.parseWithStatement(node) + case types$1.braceL: return this.parseBlock(true, node) + case types$1.semi: return this.parseEmptyStatement(node) + case types$1._export: + case types$1._import: + if (this.options.ecmaVersion > 10 && starttype === types$1._import) { + skipWhiteSpace.lastIndex = this.pos; + var skip = skipWhiteSpace.exec(this.input); + var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next); + if (nextCh === 40 || nextCh === 46) // '(' or '.' + { return this.parseExpressionStatement(node, this.parseExpression()) } + } + + if (!this.options.allowImportExportEverywhere) { + if (!topLevel) + { this.raise(this.start, "'import' and 'export' may only appear at the top level"); } + if (!this.inModule) + { this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'"); } + } + return starttype === types$1._import ? this.parseImport(node) : this.parseExport(node, exports) + + // If the statement does not start with a statement keyword or a + // brace, it's an ExpressionStatement or LabeledStatement. We + // simply start parsing an expression, and afterwards, if the + // next token is a colon and the expression was a simple + // Identifier node, we switch to interpreting it as a label. + default: + if (this.isAsyncFunction()) { + if (context) { this.unexpected(); } + this.next(); + return this.parseFunctionStatement(node, true, !context) + } + + var maybeName = this.value, expr = this.parseExpression(); + if (starttype === types$1.name && expr.type === "Identifier" && this.eat(types$1.colon)) + { return this.parseLabeledStatement(node, maybeName, expr, context) } + else { return this.parseExpressionStatement(node, expr) } + } + }; + + pp$8.parseBreakContinueStatement = function(node, keyword) { + var isBreak = keyword === "break"; + this.next(); + if (this.eat(types$1.semi) || this.insertSemicolon()) { node.label = null; } + else if (this.type !== types$1.name) { this.unexpected(); } + else { + node.label = this.parseIdent(); + this.semicolon(); + } + + // Verify that there is an actual destination to break or + // continue to. + var i = 0; + for (; i < this.labels.length; ++i) { + var lab = this.labels[i]; + if (node.label == null || lab.name === node.label.name) { + if (lab.kind != null && (isBreak || lab.kind === "loop")) { break } + if (node.label && isBreak) { break } + } + } + if (i === this.labels.length) { this.raise(node.start, "Unsyntactic " + keyword); } + return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement") + }; + + pp$8.parseDebuggerStatement = function(node) { + this.next(); + this.semicolon(); + return this.finishNode(node, "DebuggerStatement") + }; + + pp$8.parseDoStatement = function(node) { + this.next(); + this.labels.push(loopLabel); + node.body = this.parseStatement("do"); + this.labels.pop(); + this.expect(types$1._while); + node.test = this.parseParenExpression(); + if (this.options.ecmaVersion >= 6) + { this.eat(types$1.semi); } + else + { this.semicolon(); } + return this.finishNode(node, "DoWhileStatement") + }; + + // Disambiguating between a `for` and a `for`/`in` or `for`/`of` + // loop is non-trivial. Basically, we have to parse the init `var` + // statement or expression, disallowing the `in` operator (see + // the second parameter to `parseExpression`), and then check + // whether the next token is `in` or `of`. When there is no init + // part (semicolon immediately after the opening parenthesis), it + // is a regular `for` loop. + + pp$8.parseForStatement = function(node) { + this.next(); + var awaitAt = (this.options.ecmaVersion >= 9 && this.canAwait && this.eatContextual("await")) ? this.lastTokStart : -1; + this.labels.push(loopLabel); + this.enterScope(0); + this.expect(types$1.parenL); + if (this.type === types$1.semi) { + if (awaitAt > -1) { this.unexpected(awaitAt); } + return this.parseFor(node, null) + } + var isLet = this.isLet(); + if (this.type === types$1._var || this.type === types$1._const || isLet) { + var init$1 = this.startNode(), kind = isLet ? "let" : this.value; + this.next(); + this.parseVar(init$1, true, kind); + this.finishNode(init$1, "VariableDeclaration"); + if ((this.type === types$1._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) && init$1.declarations.length === 1) { + if (this.options.ecmaVersion >= 9) { + if (this.type === types$1._in) { + if (awaitAt > -1) { this.unexpected(awaitAt); } + } else { node.await = awaitAt > -1; } + } + return this.parseForIn(node, init$1) + } + if (awaitAt > -1) { this.unexpected(awaitAt); } + return this.parseFor(node, init$1) + } + var startsWithLet = this.isContextual("let"), isForOf = false; + var refDestructuringErrors = new DestructuringErrors; + var init = this.parseExpression(awaitAt > -1 ? "await" : true, refDestructuringErrors); + if (this.type === types$1._in || (isForOf = this.options.ecmaVersion >= 6 && this.isContextual("of"))) { + if (this.options.ecmaVersion >= 9) { + if (this.type === types$1._in) { + if (awaitAt > -1) { this.unexpected(awaitAt); } + } else { node.await = awaitAt > -1; } + } + if (startsWithLet && isForOf) { this.raise(init.start, "The left-hand side of a for-of loop may not start with 'let'."); } + this.toAssignable(init, false, refDestructuringErrors); + this.checkLValPattern(init); + return this.parseForIn(node, init) + } else { + this.checkExpressionErrors(refDestructuringErrors, true); + } + if (awaitAt > -1) { this.unexpected(awaitAt); } + return this.parseFor(node, init) + }; + + pp$8.parseFunctionStatement = function(node, isAsync, declarationPosition) { + this.next(); + return this.parseFunction(node, FUNC_STATEMENT | (declarationPosition ? 0 : FUNC_HANGING_STATEMENT), false, isAsync) + }; + + pp$8.parseIfStatement = function(node) { + this.next(); + node.test = this.parseParenExpression(); + // allow function declarations in branches, but only in non-strict mode + node.consequent = this.parseStatement("if"); + node.alternate = this.eat(types$1._else) ? this.parseStatement("if") : null; + return this.finishNode(node, "IfStatement") + }; + + pp$8.parseReturnStatement = function(node) { + if (!this.inFunction && !this.options.allowReturnOutsideFunction) + { this.raise(this.start, "'return' outside of function"); } + this.next(); + + // In `return` (and `break`/`continue`), the keywords with + // optional arguments, we eagerly look for a semicolon or the + // possibility to insert one. + + if (this.eat(types$1.semi) || this.insertSemicolon()) { node.argument = null; } + else { node.argument = this.parseExpression(); this.semicolon(); } + return this.finishNode(node, "ReturnStatement") + }; + + pp$8.parseSwitchStatement = function(node) { + this.next(); + node.discriminant = this.parseParenExpression(); + node.cases = []; + this.expect(types$1.braceL); + this.labels.push(switchLabel); + this.enterScope(0); + + // Statements under must be grouped (by label) in SwitchCase + // nodes. `cur` is used to keep the node that we are currently + // adding statements to. + + var cur; + for (var sawDefault = false; this.type !== types$1.braceR;) { + if (this.type === types$1._case || this.type === types$1._default) { + var isCase = this.type === types$1._case; + if (cur) { this.finishNode(cur, "SwitchCase"); } + node.cases.push(cur = this.startNode()); + cur.consequent = []; + this.next(); + if (isCase) { + cur.test = this.parseExpression(); + } else { + if (sawDefault) { this.raiseRecoverable(this.lastTokStart, "Multiple default clauses"); } + sawDefault = true; + cur.test = null; + } + this.expect(types$1.colon); + } else { + if (!cur) { this.unexpected(); } + cur.consequent.push(this.parseStatement(null)); + } + } + this.exitScope(); + if (cur) { this.finishNode(cur, "SwitchCase"); } + this.next(); // Closing brace + this.labels.pop(); + return this.finishNode(node, "SwitchStatement") + }; + + pp$8.parseThrowStatement = function(node) { + this.next(); + if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) + { this.raise(this.lastTokEnd, "Illegal newline after throw"); } + node.argument = this.parseExpression(); + this.semicolon(); + return this.finishNode(node, "ThrowStatement") + }; + + // Reused empty array added for node fields that are always empty. + + var empty$1 = []; + + pp$8.parseTryStatement = function(node) { + this.next(); + node.block = this.parseBlock(); + node.handler = null; + if (this.type === types$1._catch) { + var clause = this.startNode(); + this.next(); + if (this.eat(types$1.parenL)) { + clause.param = this.parseBindingAtom(); + var simple = clause.param.type === "Identifier"; + this.enterScope(simple ? SCOPE_SIMPLE_CATCH : 0); + this.checkLValPattern(clause.param, simple ? BIND_SIMPLE_CATCH : BIND_LEXICAL); + this.expect(types$1.parenR); + } else { + if (this.options.ecmaVersion < 10) { this.unexpected(); } + clause.param = null; + this.enterScope(0); + } + clause.body = this.parseBlock(false); + this.exitScope(); + node.handler = this.finishNode(clause, "CatchClause"); + } + node.finalizer = this.eat(types$1._finally) ? this.parseBlock() : null; + if (!node.handler && !node.finalizer) + { this.raise(node.start, "Missing catch or finally clause"); } + return this.finishNode(node, "TryStatement") + }; + + pp$8.parseVarStatement = function(node, kind) { + this.next(); + this.parseVar(node, false, kind); + this.semicolon(); + return this.finishNode(node, "VariableDeclaration") + }; + + pp$8.parseWhileStatement = function(node) { + this.next(); + node.test = this.parseParenExpression(); + this.labels.push(loopLabel); + node.body = this.parseStatement("while"); + this.labels.pop(); + return this.finishNode(node, "WhileStatement") + }; + + pp$8.parseWithStatement = function(node) { + if (this.strict) { this.raise(this.start, "'with' in strict mode"); } + this.next(); + node.object = this.parseParenExpression(); + node.body = this.parseStatement("with"); + return this.finishNode(node, "WithStatement") + }; + + pp$8.parseEmptyStatement = function(node) { + this.next(); + return this.finishNode(node, "EmptyStatement") + }; + + pp$8.parseLabeledStatement = function(node, maybeName, expr, context) { + for (var i$1 = 0, list = this.labels; i$1 < list.length; i$1 += 1) + { + var label = list[i$1]; + + if (label.name === maybeName) + { this.raise(expr.start, "Label '" + maybeName + "' is already declared"); + } } + var kind = this.type.isLoop ? "loop" : this.type === types$1._switch ? "switch" : null; + for (var i = this.labels.length - 1; i >= 0; i--) { + var label$1 = this.labels[i]; + if (label$1.statementStart === node.start) { + // Update information about previous labels on this node + label$1.statementStart = this.start; + label$1.kind = kind; + } else { break } + } + this.labels.push({name: maybeName, kind: kind, statementStart: this.start}); + node.body = this.parseStatement(context ? context.indexOf("label") === -1 ? context + "label" : context : "label"); + this.labels.pop(); + node.label = expr; + return this.finishNode(node, "LabeledStatement") + }; + + pp$8.parseExpressionStatement = function(node, expr) { + node.expression = expr; + this.semicolon(); + return this.finishNode(node, "ExpressionStatement") + }; + + // Parse a semicolon-enclosed block of statements, handling `"use + // strict"` declarations when `allowStrict` is true (used for + // function bodies). + + pp$8.parseBlock = function(createNewLexicalScope, node, exitStrict) { + if ( createNewLexicalScope === void 0 ) createNewLexicalScope = true; + if ( node === void 0 ) node = this.startNode(); + + node.body = []; + this.expect(types$1.braceL); + if (createNewLexicalScope) { this.enterScope(0); } + while (this.type !== types$1.braceR) { + var stmt = this.parseStatement(null); + node.body.push(stmt); + } + if (exitStrict) { this.strict = false; } + this.next(); + if (createNewLexicalScope) { this.exitScope(); } + return this.finishNode(node, "BlockStatement") + }; + + // Parse a regular `for` loop. The disambiguation code in + // `parseStatement` will already have parsed the init statement or + // expression. + + pp$8.parseFor = function(node, init) { + node.init = init; + this.expect(types$1.semi); + node.test = this.type === types$1.semi ? null : this.parseExpression(); + this.expect(types$1.semi); + node.update = this.type === types$1.parenR ? null : this.parseExpression(); + this.expect(types$1.parenR); + node.body = this.parseStatement("for"); + this.exitScope(); + this.labels.pop(); + return this.finishNode(node, "ForStatement") + }; + + // Parse a `for`/`in` and `for`/`of` loop, which are almost + // same from parser's perspective. + + pp$8.parseForIn = function(node, init) { + var isForIn = this.type === types$1._in; + this.next(); + + if ( + init.type === "VariableDeclaration" && + init.declarations[0].init != null && + ( + !isForIn || + this.options.ecmaVersion < 8 || + this.strict || + init.kind !== "var" || + init.declarations[0].id.type !== "Identifier" + ) + ) { + this.raise( + init.start, + ((isForIn ? "for-in" : "for-of") + " loop variable declaration may not have an initializer") + ); + } + node.left = init; + node.right = isForIn ? this.parseExpression() : this.parseMaybeAssign(); + this.expect(types$1.parenR); + node.body = this.parseStatement("for"); + this.exitScope(); + this.labels.pop(); + return this.finishNode(node, isForIn ? "ForInStatement" : "ForOfStatement") + }; + + // Parse a list of variable declarations. + + pp$8.parseVar = function(node, isFor, kind) { + node.declarations = []; + node.kind = kind; + for (;;) { + var decl = this.startNode(); + this.parseVarId(decl, kind); + if (this.eat(types$1.eq)) { + decl.init = this.parseMaybeAssign(isFor); + } else if (kind === "const" && !(this.type === types$1._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) { + this.unexpected(); + } else if (decl.id.type !== "Identifier" && !(isFor && (this.type === types$1._in || this.isContextual("of")))) { + this.raise(this.lastTokEnd, "Complex binding patterns require an initialization value"); + } else { + decl.init = null; + } + node.declarations.push(this.finishNode(decl, "VariableDeclarator")); + if (!this.eat(types$1.comma)) { break } + } + return node + }; + + pp$8.parseVarId = function(decl, kind) { + decl.id = this.parseBindingAtom(); + this.checkLValPattern(decl.id, kind === "var" ? BIND_VAR : BIND_LEXICAL, false); + }; + + var FUNC_STATEMENT = 1, FUNC_HANGING_STATEMENT = 2, FUNC_NULLABLE_ID = 4; + + // Parse a function declaration or literal (depending on the + // `statement & FUNC_STATEMENT`). + + // Remove `allowExpressionBody` for 7.0.0, as it is only called with false + pp$8.parseFunction = function(node, statement, allowExpressionBody, isAsync, forInit) { + this.initFunction(node); + if (this.options.ecmaVersion >= 9 || this.options.ecmaVersion >= 6 && !isAsync) { + if (this.type === types$1.star && (statement & FUNC_HANGING_STATEMENT)) + { this.unexpected(); } + node.generator = this.eat(types$1.star); + } + if (this.options.ecmaVersion >= 8) + { node.async = !!isAsync; } + + if (statement & FUNC_STATEMENT) { + node.id = (statement & FUNC_NULLABLE_ID) && this.type !== types$1.name ? null : this.parseIdent(); + if (node.id && !(statement & FUNC_HANGING_STATEMENT)) + // If it is a regular function declaration in sloppy mode, then it is + // subject to Annex B semantics (BIND_FUNCTION). Otherwise, the binding + // mode depends on properties of the current scope (see + // treatFunctionsAsVar). + { this.checkLValSimple(node.id, (this.strict || node.generator || node.async) ? this.treatFunctionsAsVar ? BIND_VAR : BIND_LEXICAL : BIND_FUNCTION); } + } + + var oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; + this.yieldPos = 0; + this.awaitPos = 0; + this.awaitIdentPos = 0; + this.enterScope(functionFlags(node.async, node.generator)); + + if (!(statement & FUNC_STATEMENT)) + { node.id = this.type === types$1.name ? this.parseIdent() : null; } + + this.parseFunctionParams(node); + this.parseFunctionBody(node, allowExpressionBody, false, forInit); + + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + this.awaitIdentPos = oldAwaitIdentPos; + return this.finishNode(node, (statement & FUNC_STATEMENT) ? "FunctionDeclaration" : "FunctionExpression") + }; + + pp$8.parseFunctionParams = function(node) { + this.expect(types$1.parenL); + node.params = this.parseBindingList(types$1.parenR, false, this.options.ecmaVersion >= 8); + this.checkYieldAwaitInDefaultParams(); + }; + + // Parse a class declaration or literal (depending on the + // `isStatement` parameter). + + pp$8.parseClass = function(node, isStatement) { + this.next(); + + // ecma-262 14.6 Class Definitions + // A class definition is always strict mode code. + var oldStrict = this.strict; + this.strict = true; + + this.parseClassId(node, isStatement); + this.parseClassSuper(node); + var privateNameMap = this.enterClassBody(); + var classBody = this.startNode(); + var hadConstructor = false; + classBody.body = []; + this.expect(types$1.braceL); + while (this.type !== types$1.braceR) { + var element = this.parseClassElement(node.superClass !== null); + if (element) { + classBody.body.push(element); + if (element.type === "MethodDefinition" && element.kind === "constructor") { + if (hadConstructor) { this.raise(element.start, "Duplicate constructor in the same class"); } + hadConstructor = true; + } else if (element.key && element.key.type === "PrivateIdentifier" && isPrivateNameConflicted(privateNameMap, element)) { + this.raiseRecoverable(element.key.start, ("Identifier '#" + (element.key.name) + "' has already been declared")); + } + } + } + this.strict = oldStrict; + this.next(); + node.body = this.finishNode(classBody, "ClassBody"); + this.exitClassBody(); + return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression") + }; + + pp$8.parseClassElement = function(constructorAllowsSuper) { + if (this.eat(types$1.semi)) { return null } + + var ecmaVersion = this.options.ecmaVersion; + var node = this.startNode(); + var keyName = ""; + var isGenerator = false; + var isAsync = false; + var kind = "method"; + var isStatic = false; + + if (this.eatContextual("static")) { + // Parse static init block + if (ecmaVersion >= 13 && this.eat(types$1.braceL)) { + this.parseClassStaticBlock(node); + return node + } + if (this.isClassElementNameStart() || this.type === types$1.star) { + isStatic = true; + } else { + keyName = "static"; + } + } + node.static = isStatic; + if (!keyName && ecmaVersion >= 8 && this.eatContextual("async")) { + if ((this.isClassElementNameStart() || this.type === types$1.star) && !this.canInsertSemicolon()) { + isAsync = true; + } else { + keyName = "async"; + } + } + if (!keyName && (ecmaVersion >= 9 || !isAsync) && this.eat(types$1.star)) { + isGenerator = true; + } + if (!keyName && !isAsync && !isGenerator) { + var lastValue = this.value; + if (this.eatContextual("get") || this.eatContextual("set")) { + if (this.isClassElementNameStart()) { + kind = lastValue; + } else { + keyName = lastValue; + } + } + } + + // Parse element name + if (keyName) { + // 'async', 'get', 'set', or 'static' were not a keyword contextually. + // The last token is any of those. Make it the element name. + node.computed = false; + node.key = this.startNodeAt(this.lastTokStart, this.lastTokStartLoc); + node.key.name = keyName; + this.finishNode(node.key, "Identifier"); + } else { + this.parseClassElementName(node); + } + + // Parse element value + if (ecmaVersion < 13 || this.type === types$1.parenL || kind !== "method" || isGenerator || isAsync) { + var isConstructor = !node.static && checkKeyName(node, "constructor"); + var allowsDirectSuper = isConstructor && constructorAllowsSuper; + // Couldn't move this check into the 'parseClassMethod' method for backward compatibility. + if (isConstructor && kind !== "method") { this.raise(node.key.start, "Constructor can't have get/set modifier"); } + node.kind = isConstructor ? "constructor" : kind; + this.parseClassMethod(node, isGenerator, isAsync, allowsDirectSuper); + } else { + this.parseClassField(node); + } + + return node + }; + + pp$8.isClassElementNameStart = function() { + return ( + this.type === types$1.name || + this.type === types$1.privateId || + this.type === types$1.num || + this.type === types$1.string || + this.type === types$1.bracketL || + this.type.keyword + ) + }; + + pp$8.parseClassElementName = function(element) { + if (this.type === types$1.privateId) { + if (this.value === "constructor") { + this.raise(this.start, "Classes can't have an element named '#constructor'"); + } + element.computed = false; + element.key = this.parsePrivateIdent(); + } else { + this.parsePropertyName(element); + } + }; + + pp$8.parseClassMethod = function(method, isGenerator, isAsync, allowsDirectSuper) { + // Check key and flags + var key = method.key; + if (method.kind === "constructor") { + if (isGenerator) { this.raise(key.start, "Constructor can't be a generator"); } + if (isAsync) { this.raise(key.start, "Constructor can't be an async method"); } + } else if (method.static && checkKeyName(method, "prototype")) { + this.raise(key.start, "Classes may not have a static property named prototype"); + } + + // Parse value + var value = method.value = this.parseMethod(isGenerator, isAsync, allowsDirectSuper); + + // Check value + if (method.kind === "get" && value.params.length !== 0) + { this.raiseRecoverable(value.start, "getter should have no params"); } + if (method.kind === "set" && value.params.length !== 1) + { this.raiseRecoverable(value.start, "setter should have exactly one param"); } + if (method.kind === "set" && value.params[0].type === "RestElement") + { this.raiseRecoverable(value.params[0].start, "Setter cannot use rest params"); } + + return this.finishNode(method, "MethodDefinition") + }; + + pp$8.parseClassField = function(field) { + if (checkKeyName(field, "constructor")) { + this.raise(field.key.start, "Classes can't have a field named 'constructor'"); + } else if (field.static && checkKeyName(field, "prototype")) { + this.raise(field.key.start, "Classes can't have a static field named 'prototype'"); + } + + if (this.eat(types$1.eq)) { + // To raise SyntaxError if 'arguments' exists in the initializer. + var scope = this.currentThisScope(); + var inClassFieldInit = scope.inClassFieldInit; + scope.inClassFieldInit = true; + field.value = this.parseMaybeAssign(); + scope.inClassFieldInit = inClassFieldInit; + } else { + field.value = null; + } + this.semicolon(); + + return this.finishNode(field, "PropertyDefinition") + }; + + pp$8.parseClassStaticBlock = function(node) { + node.body = []; + + var oldLabels = this.labels; + this.labels = []; + this.enterScope(SCOPE_CLASS_STATIC_BLOCK | SCOPE_SUPER); + while (this.type !== types$1.braceR) { + var stmt = this.parseStatement(null); + node.body.push(stmt); + } + this.next(); + this.exitScope(); + this.labels = oldLabels; + + return this.finishNode(node, "StaticBlock") + }; + + pp$8.parseClassId = function(node, isStatement) { + if (this.type === types$1.name) { + node.id = this.parseIdent(); + if (isStatement) + { this.checkLValSimple(node.id, BIND_LEXICAL, false); } + } else { + if (isStatement === true) + { this.unexpected(); } + node.id = null; + } + }; + + pp$8.parseClassSuper = function(node) { + node.superClass = this.eat(types$1._extends) ? this.parseExprSubscripts(null, false) : null; + }; + + pp$8.enterClassBody = function() { + var element = {declared: Object.create(null), used: []}; + this.privateNameStack.push(element); + return element.declared + }; + + pp$8.exitClassBody = function() { + var ref = this.privateNameStack.pop(); + var declared = ref.declared; + var used = ref.used; + var len = this.privateNameStack.length; + var parent = len === 0 ? null : this.privateNameStack[len - 1]; + for (var i = 0; i < used.length; ++i) { + var id = used[i]; + if (!hasOwn(declared, id.name)) { + if (parent) { + parent.used.push(id); + } else { + this.raiseRecoverable(id.start, ("Private field '#" + (id.name) + "' must be declared in an enclosing class")); + } + } + } + }; + + function isPrivateNameConflicted(privateNameMap, element) { + var name = element.key.name; + var curr = privateNameMap[name]; + + var next = "true"; + if (element.type === "MethodDefinition" && (element.kind === "get" || element.kind === "set")) { + next = (element.static ? "s" : "i") + element.kind; + } + + // `class { get #a(){}; static set #a(_){} }` is also conflict. + if ( + curr === "iget" && next === "iset" || + curr === "iset" && next === "iget" || + curr === "sget" && next === "sset" || + curr === "sset" && next === "sget" + ) { + privateNameMap[name] = "true"; + return false + } else if (!curr) { + privateNameMap[name] = next; + return false + } else { + return true + } + } + + function checkKeyName(node, name) { + var computed = node.computed; + var key = node.key; + return !computed && ( + key.type === "Identifier" && key.name === name || + key.type === "Literal" && key.value === name + ) + } + + // Parses module export declaration. + + pp$8.parseExport = function(node, exports) { + this.next(); + // export * from '...' + if (this.eat(types$1.star)) { + if (this.options.ecmaVersion >= 11) { + if (this.eatContextual("as")) { + node.exported = this.parseModuleExportName(); + this.checkExport(exports, node.exported, this.lastTokStart); + } else { + node.exported = null; + } + } + this.expectContextual("from"); + if (this.type !== types$1.string) { this.unexpected(); } + node.source = this.parseExprAtom(); + this.semicolon(); + return this.finishNode(node, "ExportAllDeclaration") + } + if (this.eat(types$1._default)) { // export default ... + this.checkExport(exports, "default", this.lastTokStart); + var isAsync; + if (this.type === types$1._function || (isAsync = this.isAsyncFunction())) { + var fNode = this.startNode(); + this.next(); + if (isAsync) { this.next(); } + node.declaration = this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync); + } else if (this.type === types$1._class) { + var cNode = this.startNode(); + node.declaration = this.parseClass(cNode, "nullableID"); + } else { + node.declaration = this.parseMaybeAssign(); + this.semicolon(); + } + return this.finishNode(node, "ExportDefaultDeclaration") + } + // export var|const|let|function|class ... + if (this.shouldParseExportStatement()) { + node.declaration = this.parseStatement(null); + if (node.declaration.type === "VariableDeclaration") + { this.checkVariableExport(exports, node.declaration.declarations); } + else + { this.checkExport(exports, node.declaration.id, node.declaration.id.start); } + node.specifiers = []; + node.source = null; + } else { // export { x, y as z } [from '...'] + node.declaration = null; + node.specifiers = this.parseExportSpecifiers(exports); + if (this.eatContextual("from")) { + if (this.type !== types$1.string) { this.unexpected(); } + node.source = this.parseExprAtom(); + } else { + for (var i = 0, list = node.specifiers; i < list.length; i += 1) { + // check for keywords used as local names + var spec = list[i]; + + this.checkUnreserved(spec.local); + // check if export is defined + this.checkLocalExport(spec.local); + + if (spec.local.type === "Literal") { + this.raise(spec.local.start, "A string literal cannot be used as an exported binding without `from`."); + } + } + + node.source = null; + } + this.semicolon(); + } + return this.finishNode(node, "ExportNamedDeclaration") + }; + + pp$8.checkExport = function(exports, name, pos) { + if (!exports) { return } + if (typeof name !== "string") + { name = name.type === "Identifier" ? name.name : name.value; } + if (hasOwn(exports, name)) + { this.raiseRecoverable(pos, "Duplicate export '" + name + "'"); } + exports[name] = true; + }; + + pp$8.checkPatternExport = function(exports, pat) { + var type = pat.type; + if (type === "Identifier") + { this.checkExport(exports, pat, pat.start); } + else if (type === "ObjectPattern") + { for (var i = 0, list = pat.properties; i < list.length; i += 1) + { + var prop = list[i]; + + this.checkPatternExport(exports, prop); + } } + else if (type === "ArrayPattern") + { for (var i$1 = 0, list$1 = pat.elements; i$1 < list$1.length; i$1 += 1) { + var elt = list$1[i$1]; + + if (elt) { this.checkPatternExport(exports, elt); } + } } + else if (type === "Property") + { this.checkPatternExport(exports, pat.value); } + else if (type === "AssignmentPattern") + { this.checkPatternExport(exports, pat.left); } + else if (type === "RestElement") + { this.checkPatternExport(exports, pat.argument); } + else if (type === "ParenthesizedExpression") + { this.checkPatternExport(exports, pat.expression); } + }; + + pp$8.checkVariableExport = function(exports, decls) { + if (!exports) { return } + for (var i = 0, list = decls; i < list.length; i += 1) + { + var decl = list[i]; + + this.checkPatternExport(exports, decl.id); + } + }; + + pp$8.shouldParseExportStatement = function() { + return this.type.keyword === "var" || + this.type.keyword === "const" || + this.type.keyword === "class" || + this.type.keyword === "function" || + this.isLet() || + this.isAsyncFunction() + }; + + // Parses a comma-separated list of module exports. + + pp$8.parseExportSpecifiers = function(exports) { + var nodes = [], first = true; + // export { x, y as z } [from '...'] + this.expect(types$1.braceL); + while (!this.eat(types$1.braceR)) { + if (!first) { + this.expect(types$1.comma); + if (this.afterTrailingComma(types$1.braceR)) { break } + } else { first = false; } + + var node = this.startNode(); + node.local = this.parseModuleExportName(); + node.exported = this.eatContextual("as") ? this.parseModuleExportName() : node.local; + this.checkExport( + exports, + node.exported, + node.exported.start + ); + nodes.push(this.finishNode(node, "ExportSpecifier")); + } + return nodes + }; + + // Parses import declaration. + + pp$8.parseImport = function(node) { + this.next(); + // import '...' + if (this.type === types$1.string) { + node.specifiers = empty$1; + node.source = this.parseExprAtom(); + } else { + node.specifiers = this.parseImportSpecifiers(); + this.expectContextual("from"); + node.source = this.type === types$1.string ? this.parseExprAtom() : this.unexpected(); + } + this.semicolon(); + return this.finishNode(node, "ImportDeclaration") + }; + + // Parses a comma-separated list of module imports. + + pp$8.parseImportSpecifiers = function() { + var nodes = [], first = true; + if (this.type === types$1.name) { + // import defaultObj, { x, y as z } from '...' + var node = this.startNode(); + node.local = this.parseIdent(); + this.checkLValSimple(node.local, BIND_LEXICAL); + nodes.push(this.finishNode(node, "ImportDefaultSpecifier")); + if (!this.eat(types$1.comma)) { return nodes } + } + if (this.type === types$1.star) { + var node$1 = this.startNode(); + this.next(); + this.expectContextual("as"); + node$1.local = this.parseIdent(); + this.checkLValSimple(node$1.local, BIND_LEXICAL); + nodes.push(this.finishNode(node$1, "ImportNamespaceSpecifier")); + return nodes + } + this.expect(types$1.braceL); + while (!this.eat(types$1.braceR)) { + if (!first) { + this.expect(types$1.comma); + if (this.afterTrailingComma(types$1.braceR)) { break } + } else { first = false; } + + var node$2 = this.startNode(); + node$2.imported = this.parseModuleExportName(); + if (this.eatContextual("as")) { + node$2.local = this.parseIdent(); + } else { + this.checkUnreserved(node$2.imported); + node$2.local = node$2.imported; + } + this.checkLValSimple(node$2.local, BIND_LEXICAL); + nodes.push(this.finishNode(node$2, "ImportSpecifier")); + } + return nodes + }; + + pp$8.parseModuleExportName = function() { + if (this.options.ecmaVersion >= 13 && this.type === types$1.string) { + var stringLiteral = this.parseLiteral(this.value); + if (loneSurrogate.test(stringLiteral.value)) { + this.raise(stringLiteral.start, "An export name cannot include a lone surrogate."); + } + return stringLiteral + } + return this.parseIdent(true) + }; + + // Set `ExpressionStatement#directive` property for directive prologues. + pp$8.adaptDirectivePrologue = function(statements) { + for (var i = 0; i < statements.length && this.isDirectiveCandidate(statements[i]); ++i) { + statements[i].directive = statements[i].expression.raw.slice(1, -1); + } + }; + pp$8.isDirectiveCandidate = function(statement) { + return ( + this.options.ecmaVersion >= 5 && + statement.type === "ExpressionStatement" && + statement.expression.type === "Literal" && + typeof statement.expression.value === "string" && + // Reject parenthesized strings. + (this.input[statement.start] === "\"" || this.input[statement.start] === "'") + ) + }; + + var pp$7 = Parser.prototype; + + // Convert existing expression atom to assignable pattern + // if possible. + + pp$7.toAssignable = function(node, isBinding, refDestructuringErrors) { + if (this.options.ecmaVersion >= 6 && node) { + switch (node.type) { + case "Identifier": + if (this.inAsync && node.name === "await") + { this.raise(node.start, "Cannot use 'await' as identifier inside an async function"); } + break + + case "ObjectPattern": + case "ArrayPattern": + case "AssignmentPattern": + case "RestElement": + break + + case "ObjectExpression": + node.type = "ObjectPattern"; + if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } + for (var i = 0, list = node.properties; i < list.length; i += 1) { + var prop = list[i]; + + this.toAssignable(prop, isBinding); + // Early error: + // AssignmentRestProperty[Yield, Await] : + // `...` DestructuringAssignmentTarget[Yield, Await] + // + // It is a Syntax Error if |DestructuringAssignmentTarget| is an |ArrayLiteral| or an |ObjectLiteral|. + if ( + prop.type === "RestElement" && + (prop.argument.type === "ArrayPattern" || prop.argument.type === "ObjectPattern") + ) { + this.raise(prop.argument.start, "Unexpected token"); + } + } + break + + case "Property": + // AssignmentProperty has type === "Property" + if (node.kind !== "init") { this.raise(node.key.start, "Object pattern can't contain getter or setter"); } + this.toAssignable(node.value, isBinding); + break + + case "ArrayExpression": + node.type = "ArrayPattern"; + if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } + this.toAssignableList(node.elements, isBinding); + break + + case "SpreadElement": + node.type = "RestElement"; + this.toAssignable(node.argument, isBinding); + if (node.argument.type === "AssignmentPattern") + { this.raise(node.argument.start, "Rest elements cannot have a default value"); } + break + + case "AssignmentExpression": + if (node.operator !== "=") { this.raise(node.left.end, "Only '=' operator can be used for specifying default value."); } + node.type = "AssignmentPattern"; + delete node.operator; + this.toAssignable(node.left, isBinding); + break + + case "ParenthesizedExpression": + this.toAssignable(node.expression, isBinding, refDestructuringErrors); + break + + case "ChainExpression": + this.raiseRecoverable(node.start, "Optional chaining cannot appear in left-hand side"); + break + + case "MemberExpression": + if (!isBinding) { break } + + default: + this.raise(node.start, "Assigning to rvalue"); + } + } else if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } + return node + }; + + // Convert list of expression atoms to binding list. + + pp$7.toAssignableList = function(exprList, isBinding) { + var end = exprList.length; + for (var i = 0; i < end; i++) { + var elt = exprList[i]; + if (elt) { this.toAssignable(elt, isBinding); } + } + if (end) { + var last = exprList[end - 1]; + if (this.options.ecmaVersion === 6 && isBinding && last && last.type === "RestElement" && last.argument.type !== "Identifier") + { this.unexpected(last.argument.start); } + } + return exprList + }; + + // Parses spread element. + + pp$7.parseSpread = function(refDestructuringErrors) { + var node = this.startNode(); + this.next(); + node.argument = this.parseMaybeAssign(false, refDestructuringErrors); + return this.finishNode(node, "SpreadElement") + }; + + pp$7.parseRestBinding = function() { + var node = this.startNode(); + this.next(); + + // RestElement inside of a function parameter must be an identifier + if (this.options.ecmaVersion === 6 && this.type !== types$1.name) + { this.unexpected(); } + + node.argument = this.parseBindingAtom(); + + return this.finishNode(node, "RestElement") + }; + + // Parses lvalue (assignable) atom. + + pp$7.parseBindingAtom = function() { + if (this.options.ecmaVersion >= 6) { + switch (this.type) { + case types$1.bracketL: + var node = this.startNode(); + this.next(); + node.elements = this.parseBindingList(types$1.bracketR, true, true); + return this.finishNode(node, "ArrayPattern") + + case types$1.braceL: + return this.parseObj(true) + } + } + return this.parseIdent() + }; + + pp$7.parseBindingList = function(close, allowEmpty, allowTrailingComma) { + var elts = [], first = true; + while (!this.eat(close)) { + if (first) { first = false; } + else { this.expect(types$1.comma); } + if (allowEmpty && this.type === types$1.comma) { + elts.push(null); + } else if (allowTrailingComma && this.afterTrailingComma(close)) { + break + } else if (this.type === types$1.ellipsis) { + var rest = this.parseRestBinding(); + this.parseBindingListItem(rest); + elts.push(rest); + if (this.type === types$1.comma) { this.raise(this.start, "Comma is not permitted after the rest element"); } + this.expect(close); + break + } else { + var elem = this.parseMaybeDefault(this.start, this.startLoc); + this.parseBindingListItem(elem); + elts.push(elem); + } + } + return elts + }; + + pp$7.parseBindingListItem = function(param) { + return param + }; + + // Parses assignment pattern around given atom if possible. + + pp$7.parseMaybeDefault = function(startPos, startLoc, left) { + left = left || this.parseBindingAtom(); + if (this.options.ecmaVersion < 6 || !this.eat(types$1.eq)) { return left } + var node = this.startNodeAt(startPos, startLoc); + node.left = left; + node.right = this.parseMaybeAssign(); + return this.finishNode(node, "AssignmentPattern") + }; + + // The following three functions all verify that a node is an lvalue — + // something that can be bound, or assigned to. In order to do so, they perform + // a variety of checks: + // + // - Check that none of the bound/assigned-to identifiers are reserved words. + // - Record name declarations for bindings in the appropriate scope. + // - Check duplicate argument names, if checkClashes is set. + // + // If a complex binding pattern is encountered (e.g., object and array + // destructuring), the entire pattern is recursively checked. + // + // There are three versions of checkLVal*() appropriate for different + // circumstances: + // + // - checkLValSimple() shall be used if the syntactic construct supports + // nothing other than identifiers and member expressions. Parenthesized + // expressions are also correctly handled. This is generally appropriate for + // constructs for which the spec says + // + // > It is a Syntax Error if AssignmentTargetType of [the production] is not + // > simple. + // + // It is also appropriate for checking if an identifier is valid and not + // defined elsewhere, like import declarations or function/class identifiers. + // + // Examples where this is used include: + // a += …; + // import a from '…'; + // where a is the node to be checked. + // + // - checkLValPattern() shall be used if the syntactic construct supports + // anything checkLValSimple() supports, as well as object and array + // destructuring patterns. This is generally appropriate for constructs for + // which the spec says + // + // > It is a Syntax Error if [the production] is neither an ObjectLiteral nor + // > an ArrayLiteral and AssignmentTargetType of [the production] is not + // > simple. + // + // Examples where this is used include: + // (a = …); + // const a = …; + // try { … } catch (a) { … } + // where a is the node to be checked. + // + // - checkLValInnerPattern() shall be used if the syntactic construct supports + // anything checkLValPattern() supports, as well as default assignment + // patterns, rest elements, and other constructs that may appear within an + // object or array destructuring pattern. + // + // As a special case, function parameters also use checkLValInnerPattern(), + // as they also support defaults and rest constructs. + // + // These functions deliberately support both assignment and binding constructs, + // as the logic for both is exceedingly similar. If the node is the target of + // an assignment, then bindingType should be set to BIND_NONE. Otherwise, it + // should be set to the appropriate BIND_* constant, like BIND_VAR or + // BIND_LEXICAL. + // + // If the function is called with a non-BIND_NONE bindingType, then + // additionally a checkClashes object may be specified to allow checking for + // duplicate argument names. checkClashes is ignored if the provided construct + // is an assignment (i.e., bindingType is BIND_NONE). + + pp$7.checkLValSimple = function(expr, bindingType, checkClashes) { + if ( bindingType === void 0 ) bindingType = BIND_NONE; + + var isBind = bindingType !== BIND_NONE; + + switch (expr.type) { + case "Identifier": + if (this.strict && this.reservedWordsStrictBind.test(expr.name)) + { this.raiseRecoverable(expr.start, (isBind ? "Binding " : "Assigning to ") + expr.name + " in strict mode"); } + if (isBind) { + if (bindingType === BIND_LEXICAL && expr.name === "let") + { this.raiseRecoverable(expr.start, "let is disallowed as a lexically bound name"); } + if (checkClashes) { + if (hasOwn(checkClashes, expr.name)) + { this.raiseRecoverable(expr.start, "Argument name clash"); } + checkClashes[expr.name] = true; + } + if (bindingType !== BIND_OUTSIDE) { this.declareName(expr.name, bindingType, expr.start); } + } + break + + case "ChainExpression": + this.raiseRecoverable(expr.start, "Optional chaining cannot appear in left-hand side"); + break + + case "MemberExpression": + if (isBind) { this.raiseRecoverable(expr.start, "Binding member expression"); } + break + + case "ParenthesizedExpression": + if (isBind) { this.raiseRecoverable(expr.start, "Binding parenthesized expression"); } + return this.checkLValSimple(expr.expression, bindingType, checkClashes) + + default: + this.raise(expr.start, (isBind ? "Binding" : "Assigning to") + " rvalue"); + } + }; + + pp$7.checkLValPattern = function(expr, bindingType, checkClashes) { + if ( bindingType === void 0 ) bindingType = BIND_NONE; + + switch (expr.type) { + case "ObjectPattern": + for (var i = 0, list = expr.properties; i < list.length; i += 1) { + var prop = list[i]; + + this.checkLValInnerPattern(prop, bindingType, checkClashes); + } + break + + case "ArrayPattern": + for (var i$1 = 0, list$1 = expr.elements; i$1 < list$1.length; i$1 += 1) { + var elem = list$1[i$1]; + + if (elem) { this.checkLValInnerPattern(elem, bindingType, checkClashes); } + } + break + + default: + this.checkLValSimple(expr, bindingType, checkClashes); + } + }; + + pp$7.checkLValInnerPattern = function(expr, bindingType, checkClashes) { + if ( bindingType === void 0 ) bindingType = BIND_NONE; + + switch (expr.type) { + case "Property": + // AssignmentProperty has type === "Property" + this.checkLValInnerPattern(expr.value, bindingType, checkClashes); + break + + case "AssignmentPattern": + this.checkLValPattern(expr.left, bindingType, checkClashes); + break + + case "RestElement": + this.checkLValPattern(expr.argument, bindingType, checkClashes); + break + + default: + this.checkLValPattern(expr, bindingType, checkClashes); + } + }; + + // The algorithm used to determine whether a regexp can appear at a + + var TokContext = function TokContext(token, isExpr, preserveSpace, override, generator) { + this.token = token; + this.isExpr = !!isExpr; + this.preserveSpace = !!preserveSpace; + this.override = override; + this.generator = !!generator; + }; + + var types = { + b_stat: new TokContext("{", false), + b_expr: new TokContext("{", true), + b_tmpl: new TokContext("${", false), + p_stat: new TokContext("(", false), + p_expr: new TokContext("(", true), + q_tmpl: new TokContext("`", true, true, function (p) { return p.tryReadTemplateToken(); }), + f_stat: new TokContext("function", false), + f_expr: new TokContext("function", true), + f_expr_gen: new TokContext("function", true, false, null, true), + f_gen: new TokContext("function", false, false, null, true) + }; + + var pp$6 = Parser.prototype; + + pp$6.initialContext = function() { + return [types.b_stat] + }; + + pp$6.curContext = function() { + return this.context[this.context.length - 1] + }; + + pp$6.braceIsBlock = function(prevType) { + var parent = this.curContext(); + if (parent === types.f_expr || parent === types.f_stat) + { return true } + if (prevType === types$1.colon && (parent === types.b_stat || parent === types.b_expr)) + { return !parent.isExpr } + + // The check for `tt.name && exprAllowed` detects whether we are + // after a `yield` or `of` construct. See the `updateContext` for + // `tt.name`. + if (prevType === types$1._return || prevType === types$1.name && this.exprAllowed) + { return lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) } + if (prevType === types$1._else || prevType === types$1.semi || prevType === types$1.eof || prevType === types$1.parenR || prevType === types$1.arrow) + { return true } + if (prevType === types$1.braceL) + { return parent === types.b_stat } + if (prevType === types$1._var || prevType === types$1._const || prevType === types$1.name) + { return false } + return !this.exprAllowed + }; + + pp$6.inGeneratorContext = function() { + for (var i = this.context.length - 1; i >= 1; i--) { + var context = this.context[i]; + if (context.token === "function") + { return context.generator } + } + return false + }; + + pp$6.updateContext = function(prevType) { + var update, type = this.type; + if (type.keyword && prevType === types$1.dot) + { this.exprAllowed = false; } + else if (update = type.updateContext) + { update.call(this, prevType); } + else + { this.exprAllowed = type.beforeExpr; } + }; + + // Used to handle egde cases when token context could not be inferred correctly during tokenization phase + + pp$6.overrideContext = function(tokenCtx) { + if (this.curContext() !== tokenCtx) { + this.context[this.context.length - 1] = tokenCtx; + } + }; + + // Token-specific context update code + + types$1.parenR.updateContext = types$1.braceR.updateContext = function() { + if (this.context.length === 1) { + this.exprAllowed = true; + return + } + var out = this.context.pop(); + if (out === types.b_stat && this.curContext().token === "function") { + out = this.context.pop(); + } + this.exprAllowed = !out.isExpr; + }; + + types$1.braceL.updateContext = function(prevType) { + this.context.push(this.braceIsBlock(prevType) ? types.b_stat : types.b_expr); + this.exprAllowed = true; + }; + + types$1.dollarBraceL.updateContext = function() { + this.context.push(types.b_tmpl); + this.exprAllowed = true; + }; + + types$1.parenL.updateContext = function(prevType) { + var statementParens = prevType === types$1._if || prevType === types$1._for || prevType === types$1._with || prevType === types$1._while; + this.context.push(statementParens ? types.p_stat : types.p_expr); + this.exprAllowed = true; + }; + + types$1.incDec.updateContext = function() { + // tokExprAllowed stays unchanged + }; + + types$1._function.updateContext = types$1._class.updateContext = function(prevType) { + if (prevType.beforeExpr && prevType !== types$1._else && + !(prevType === types$1.semi && this.curContext() !== types.p_stat) && + !(prevType === types$1._return && lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) && + !((prevType === types$1.colon || prevType === types$1.braceL) && this.curContext() === types.b_stat)) + { this.context.push(types.f_expr); } + else + { this.context.push(types.f_stat); } + this.exprAllowed = false; + }; + + types$1.backQuote.updateContext = function() { + if (this.curContext() === types.q_tmpl) + { this.context.pop(); } + else + { this.context.push(types.q_tmpl); } + this.exprAllowed = false; + }; + + types$1.star.updateContext = function(prevType) { + if (prevType === types$1._function) { + var index = this.context.length - 1; + if (this.context[index] === types.f_expr) + { this.context[index] = types.f_expr_gen; } + else + { this.context[index] = types.f_gen; } + } + this.exprAllowed = true; + }; + + types$1.name.updateContext = function(prevType) { + var allowed = false; + if (this.options.ecmaVersion >= 6 && prevType !== types$1.dot) { + if (this.value === "of" && !this.exprAllowed || + this.value === "yield" && this.inGeneratorContext()) + { allowed = true; } + } + this.exprAllowed = allowed; + }; + + // A recursive descent parser operates by defining functions for all + + var pp$5 = Parser.prototype; + + // Check if property name clashes with already added. + // Object/class getters and setters are not allowed to clash — + // either with each other or with an init property — and in + // strict mode, init properties are also not allowed to be repeated. + + pp$5.checkPropClash = function(prop, propHash, refDestructuringErrors) { + if (this.options.ecmaVersion >= 9 && prop.type === "SpreadElement") + { return } + if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand)) + { return } + var key = prop.key; + var name; + switch (key.type) { + case "Identifier": name = key.name; break + case "Literal": name = String(key.value); break + default: return + } + var kind = prop.kind; + if (this.options.ecmaVersion >= 6) { + if (name === "__proto__" && kind === "init") { + if (propHash.proto) { + if (refDestructuringErrors) { + if (refDestructuringErrors.doubleProto < 0) { + refDestructuringErrors.doubleProto = key.start; + } + } else { + this.raiseRecoverable(key.start, "Redefinition of __proto__ property"); + } + } + propHash.proto = true; + } + return + } + name = "$" + name; + var other = propHash[name]; + if (other) { + var redefinition; + if (kind === "init") { + redefinition = this.strict && other.init || other.get || other.set; + } else { + redefinition = other.init || other[kind]; + } + if (redefinition) + { this.raiseRecoverable(key.start, "Redefinition of property"); } + } else { + other = propHash[name] = { + init: false, + get: false, + set: false + }; + } + other[kind] = true; + }; + + // ### Expression parsing + + // These nest, from the most general expression type at the top to + // 'atomic', nondivisible expression types at the bottom. Most of + // the functions will simply let the function(s) below them parse, + // and, *if* the syntactic construct they handle is present, wrap + // the AST node that the inner parser gave them in another node. + + // Parse a full expression. The optional arguments are used to + // forbid the `in` operator (in for loops initalization expressions) + // and provide reference for storing '=' operator inside shorthand + // property assignment in contexts where both object expression + // and object pattern might appear (so it's possible to raise + // delayed syntax error at correct position). + + pp$5.parseExpression = function(forInit, refDestructuringErrors) { + var startPos = this.start, startLoc = this.startLoc; + var expr = this.parseMaybeAssign(forInit, refDestructuringErrors); + if (this.type === types$1.comma) { + var node = this.startNodeAt(startPos, startLoc); + node.expressions = [expr]; + while (this.eat(types$1.comma)) { node.expressions.push(this.parseMaybeAssign(forInit, refDestructuringErrors)); } + return this.finishNode(node, "SequenceExpression") + } + return expr + }; + + // Parse an assignment expression. This includes applications of + // operators like `+=`. + + pp$5.parseMaybeAssign = function(forInit, refDestructuringErrors, afterLeftParse) { + if (this.isContextual("yield")) { + if (this.inGenerator) { return this.parseYield(forInit) } + // The tokenizer will assume an expression is allowed after + // `yield`, but this isn't that kind of yield + else { this.exprAllowed = false; } + } + + var ownDestructuringErrors = false, oldParenAssign = -1, oldTrailingComma = -1, oldDoubleProto = -1; + if (refDestructuringErrors) { + oldParenAssign = refDestructuringErrors.parenthesizedAssign; + oldTrailingComma = refDestructuringErrors.trailingComma; + oldDoubleProto = refDestructuringErrors.doubleProto; + refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = -1; + } else { + refDestructuringErrors = new DestructuringErrors; + ownDestructuringErrors = true; + } + + var startPos = this.start, startLoc = this.startLoc; + if (this.type === types$1.parenL || this.type === types$1.name) { + this.potentialArrowAt = this.start; + this.potentialArrowInForAwait = forInit === "await"; + } + var left = this.parseMaybeConditional(forInit, refDestructuringErrors); + if (afterLeftParse) { left = afterLeftParse.call(this, left, startPos, startLoc); } + if (this.type.isAssign) { + var node = this.startNodeAt(startPos, startLoc); + node.operator = this.value; + if (this.type === types$1.eq) + { left = this.toAssignable(left, false, refDestructuringErrors); } + if (!ownDestructuringErrors) { + refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = refDestructuringErrors.doubleProto = -1; + } + if (refDestructuringErrors.shorthandAssign >= left.start) + { refDestructuringErrors.shorthandAssign = -1; } // reset because shorthand default was used correctly + if (this.type === types$1.eq) + { this.checkLValPattern(left); } + else + { this.checkLValSimple(left); } + node.left = left; + this.next(); + node.right = this.parseMaybeAssign(forInit); + if (oldDoubleProto > -1) { refDestructuringErrors.doubleProto = oldDoubleProto; } + return this.finishNode(node, "AssignmentExpression") + } else { + if (ownDestructuringErrors) { this.checkExpressionErrors(refDestructuringErrors, true); } + } + if (oldParenAssign > -1) { refDestructuringErrors.parenthesizedAssign = oldParenAssign; } + if (oldTrailingComma > -1) { refDestructuringErrors.trailingComma = oldTrailingComma; } + return left + }; + + // Parse a ternary conditional (`?:`) operator. + + pp$5.parseMaybeConditional = function(forInit, refDestructuringErrors) { + var startPos = this.start, startLoc = this.startLoc; + var expr = this.parseExprOps(forInit, refDestructuringErrors); + if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } + if (this.eat(types$1.question)) { + var node = this.startNodeAt(startPos, startLoc); + node.test = expr; + node.consequent = this.parseMaybeAssign(); + this.expect(types$1.colon); + node.alternate = this.parseMaybeAssign(forInit); + return this.finishNode(node, "ConditionalExpression") + } + return expr + }; + + // Start the precedence parser. + + pp$5.parseExprOps = function(forInit, refDestructuringErrors) { + var startPos = this.start, startLoc = this.startLoc; + var expr = this.parseMaybeUnary(refDestructuringErrors, false, false, forInit); + if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } + return expr.start === startPos && expr.type === "ArrowFunctionExpression" ? expr : this.parseExprOp(expr, startPos, startLoc, -1, forInit) + }; + + // Parse binary operators with the operator precedence parsing + // algorithm. `left` is the left-hand side of the operator. + // `minPrec` provides context that allows the function to stop and + // defer further parser to one of its callers when it encounters an + // operator that has a lower precedence than the set it is parsing. + + pp$5.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, forInit) { + var prec = this.type.binop; + if (prec != null && (!forInit || this.type !== types$1._in)) { + if (prec > minPrec) { + var logical = this.type === types$1.logicalOR || this.type === types$1.logicalAND; + var coalesce = this.type === types$1.coalesce; + if (coalesce) { + // Handle the precedence of `tt.coalesce` as equal to the range of logical expressions. + // In other words, `node.right` shouldn't contain logical expressions in order to check the mixed error. + prec = types$1.logicalAND.binop; + } + var op = this.value; + this.next(); + var startPos = this.start, startLoc = this.startLoc; + var right = this.parseExprOp(this.parseMaybeUnary(null, false, false, forInit), startPos, startLoc, prec, forInit); + var node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical || coalesce); + if ((logical && this.type === types$1.coalesce) || (coalesce && (this.type === types$1.logicalOR || this.type === types$1.logicalAND))) { + this.raiseRecoverable(this.start, "Logical expressions and coalesce expressions cannot be mixed. Wrap either by parentheses"); + } + return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, forInit) + } + } + return left + }; + + pp$5.buildBinary = function(startPos, startLoc, left, right, op, logical) { + if (right.type === "PrivateIdentifier") { this.raise(right.start, "Private identifier can only be left side of binary expression"); } + var node = this.startNodeAt(startPos, startLoc); + node.left = left; + node.operator = op; + node.right = right; + return this.finishNode(node, logical ? "LogicalExpression" : "BinaryExpression") + }; + + // Parse unary operators, both prefix and postfix. + + pp$5.parseMaybeUnary = function(refDestructuringErrors, sawUnary, incDec, forInit) { + var startPos = this.start, startLoc = this.startLoc, expr; + if (this.isContextual("await") && this.canAwait) { + expr = this.parseAwait(forInit); + sawUnary = true; + } else if (this.type.prefix) { + var node = this.startNode(), update = this.type === types$1.incDec; + node.operator = this.value; + node.prefix = true; + this.next(); + node.argument = this.parseMaybeUnary(null, true, update, forInit); + this.checkExpressionErrors(refDestructuringErrors, true); + if (update) { this.checkLValSimple(node.argument); } + else if (this.strict && node.operator === "delete" && + node.argument.type === "Identifier") + { this.raiseRecoverable(node.start, "Deleting local variable in strict mode"); } + else if (node.operator === "delete" && isPrivateFieldAccess(node.argument)) + { this.raiseRecoverable(node.start, "Private fields can not be deleted"); } + else { sawUnary = true; } + expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression"); + } else if (!sawUnary && this.type === types$1.privateId) { + if (forInit || this.privateNameStack.length === 0) { this.unexpected(); } + expr = this.parsePrivateIdent(); + // only could be private fields in 'in', such as #x in obj + if (this.type !== types$1._in) { this.unexpected(); } + } else { + expr = this.parseExprSubscripts(refDestructuringErrors, forInit); + if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } + while (this.type.postfix && !this.canInsertSemicolon()) { + var node$1 = this.startNodeAt(startPos, startLoc); + node$1.operator = this.value; + node$1.prefix = false; + node$1.argument = expr; + this.checkLValSimple(expr); + this.next(); + expr = this.finishNode(node$1, "UpdateExpression"); + } + } + + if (!incDec && this.eat(types$1.starstar)) { + if (sawUnary) + { this.unexpected(this.lastTokStart); } + else + { return this.buildBinary(startPos, startLoc, expr, this.parseMaybeUnary(null, false, false, forInit), "**", false) } + } else { + return expr + } + }; + + function isPrivateFieldAccess(node) { + return ( + node.type === "MemberExpression" && node.property.type === "PrivateIdentifier" || + node.type === "ChainExpression" && isPrivateFieldAccess(node.expression) + ) + } + + // Parse call, dot, and `[]`-subscript expressions. + + pp$5.parseExprSubscripts = function(refDestructuringErrors, forInit) { + var startPos = this.start, startLoc = this.startLoc; + var expr = this.parseExprAtom(refDestructuringErrors, forInit); + if (expr.type === "ArrowFunctionExpression" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== ")") + { return expr } + var result = this.parseSubscripts(expr, startPos, startLoc, false, forInit); + if (refDestructuringErrors && result.type === "MemberExpression") { + if (refDestructuringErrors.parenthesizedAssign >= result.start) { refDestructuringErrors.parenthesizedAssign = -1; } + if (refDestructuringErrors.parenthesizedBind >= result.start) { refDestructuringErrors.parenthesizedBind = -1; } + if (refDestructuringErrors.trailingComma >= result.start) { refDestructuringErrors.trailingComma = -1; } + } + return result + }; + + pp$5.parseSubscripts = function(base, startPos, startLoc, noCalls, forInit) { + var maybeAsyncArrow = this.options.ecmaVersion >= 8 && base.type === "Identifier" && base.name === "async" && + this.lastTokEnd === base.end && !this.canInsertSemicolon() && base.end - base.start === 5 && + this.potentialArrowAt === base.start; + var optionalChained = false; + + while (true) { + var element = this.parseSubscript(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained, forInit); + + if (element.optional) { optionalChained = true; } + if (element === base || element.type === "ArrowFunctionExpression") { + if (optionalChained) { + var chainNode = this.startNodeAt(startPos, startLoc); + chainNode.expression = element; + element = this.finishNode(chainNode, "ChainExpression"); + } + return element + } + + base = element; + } + }; + + pp$5.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained, forInit) { + var optionalSupported = this.options.ecmaVersion >= 11; + var optional = optionalSupported && this.eat(types$1.questionDot); + if (noCalls && optional) { this.raise(this.lastTokStart, "Optional chaining cannot appear in the callee of new expressions"); } + + var computed = this.eat(types$1.bracketL); + if (computed || (optional && this.type !== types$1.parenL && this.type !== types$1.backQuote) || this.eat(types$1.dot)) { + var node = this.startNodeAt(startPos, startLoc); + node.object = base; + if (computed) { + node.property = this.parseExpression(); + this.expect(types$1.bracketR); + } else if (this.type === types$1.privateId && base.type !== "Super") { + node.property = this.parsePrivateIdent(); + } else { + node.property = this.parseIdent(this.options.allowReserved !== "never"); + } + node.computed = !!computed; + if (optionalSupported) { + node.optional = optional; + } + base = this.finishNode(node, "MemberExpression"); + } else if (!noCalls && this.eat(types$1.parenL)) { + var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; + this.yieldPos = 0; + this.awaitPos = 0; + this.awaitIdentPos = 0; + var exprList = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false, refDestructuringErrors); + if (maybeAsyncArrow && !optional && !this.canInsertSemicolon() && this.eat(types$1.arrow)) { + this.checkPatternErrors(refDestructuringErrors, false); + this.checkYieldAwaitInDefaultParams(); + if (this.awaitIdentPos > 0) + { this.raise(this.awaitIdentPos, "Cannot use 'await' as identifier inside an async function"); } + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + this.awaitIdentPos = oldAwaitIdentPos; + return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true, forInit) + } + this.checkExpressionErrors(refDestructuringErrors, true); + this.yieldPos = oldYieldPos || this.yieldPos; + this.awaitPos = oldAwaitPos || this.awaitPos; + this.awaitIdentPos = oldAwaitIdentPos || this.awaitIdentPos; + var node$1 = this.startNodeAt(startPos, startLoc); + node$1.callee = base; + node$1.arguments = exprList; + if (optionalSupported) { + node$1.optional = optional; + } + base = this.finishNode(node$1, "CallExpression"); + } else if (this.type === types$1.backQuote) { + if (optional || optionalChained) { + this.raise(this.start, "Optional chaining cannot appear in the tag of tagged template expressions"); + } + var node$2 = this.startNodeAt(startPos, startLoc); + node$2.tag = base; + node$2.quasi = this.parseTemplate({isTagged: true}); + base = this.finishNode(node$2, "TaggedTemplateExpression"); + } + return base + }; + + // Parse an atomic expression — either a single token that is an + // expression, an expression started by a keyword like `function` or + // `new`, or an expression wrapped in punctuation like `()`, `[]`, + // or `{}`. + + pp$5.parseExprAtom = function(refDestructuringErrors, forInit) { + // If a division operator appears in an expression position, the + // tokenizer got confused, and we force it to read a regexp instead. + if (this.type === types$1.slash) { this.readRegexp(); } + + var node, canBeArrow = this.potentialArrowAt === this.start; + switch (this.type) { + case types$1._super: + if (!this.allowSuper) + { this.raise(this.start, "'super' keyword outside a method"); } + node = this.startNode(); + this.next(); + if (this.type === types$1.parenL && !this.allowDirectSuper) + { this.raise(node.start, "super() call outside constructor of a subclass"); } + // The `super` keyword can appear at below: + // SuperProperty: + // super [ Expression ] + // super . IdentifierName + // SuperCall: + // super ( Arguments ) + if (this.type !== types$1.dot && this.type !== types$1.bracketL && this.type !== types$1.parenL) + { this.unexpected(); } + return this.finishNode(node, "Super") + + case types$1._this: + node = this.startNode(); + this.next(); + return this.finishNode(node, "ThisExpression") + + case types$1.name: + var startPos = this.start, startLoc = this.startLoc, containsEsc = this.containsEsc; + var id = this.parseIdent(false); + if (this.options.ecmaVersion >= 8 && !containsEsc && id.name === "async" && !this.canInsertSemicolon() && this.eat(types$1._function)) { + this.overrideContext(types.f_expr); + return this.parseFunction(this.startNodeAt(startPos, startLoc), 0, false, true, forInit) + } + if (canBeArrow && !this.canInsertSemicolon()) { + if (this.eat(types$1.arrow)) + { return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], false, forInit) } + if (this.options.ecmaVersion >= 8 && id.name === "async" && this.type === types$1.name && !containsEsc && + (!this.potentialArrowInForAwait || this.value !== "of" || this.containsEsc)) { + id = this.parseIdent(false); + if (this.canInsertSemicolon() || !this.eat(types$1.arrow)) + { this.unexpected(); } + return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], true, forInit) + } + } + return id + + case types$1.regexp: + var value = this.value; + node = this.parseLiteral(value.value); + node.regex = {pattern: value.pattern, flags: value.flags}; + return node + + case types$1.num: case types$1.string: + return this.parseLiteral(this.value) + + case types$1._null: case types$1._true: case types$1._false: + node = this.startNode(); + node.value = this.type === types$1._null ? null : this.type === types$1._true; + node.raw = this.type.keyword; + this.next(); + return this.finishNode(node, "Literal") + + case types$1.parenL: + var start = this.start, expr = this.parseParenAndDistinguishExpression(canBeArrow, forInit); + if (refDestructuringErrors) { + if (refDestructuringErrors.parenthesizedAssign < 0 && !this.isSimpleAssignTarget(expr)) + { refDestructuringErrors.parenthesizedAssign = start; } + if (refDestructuringErrors.parenthesizedBind < 0) + { refDestructuringErrors.parenthesizedBind = start; } + } + return expr + + case types$1.bracketL: + node = this.startNode(); + this.next(); + node.elements = this.parseExprList(types$1.bracketR, true, true, refDestructuringErrors); + return this.finishNode(node, "ArrayExpression") + + case types$1.braceL: + this.overrideContext(types.b_expr); + return this.parseObj(false, refDestructuringErrors) + + case types$1._function: + node = this.startNode(); + this.next(); + return this.parseFunction(node, 0) + + case types$1._class: + return this.parseClass(this.startNode(), false) + + case types$1._new: + return this.parseNew() + + case types$1.backQuote: + return this.parseTemplate() + + case types$1._import: + if (this.options.ecmaVersion >= 11) { + return this.parseExprImport() + } else { + return this.unexpected() + } + + default: + this.unexpected(); + } + }; + + pp$5.parseExprImport = function() { + var node = this.startNode(); + + // Consume `import` as an identifier for `import.meta`. + // Because `this.parseIdent(true)` doesn't check escape sequences, it needs the check of `this.containsEsc`. + if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword import"); } + var meta = this.parseIdent(true); + + switch (this.type) { + case types$1.parenL: + return this.parseDynamicImport(node) + case types$1.dot: + node.meta = meta; + return this.parseImportMeta(node) + default: + this.unexpected(); + } + }; + + pp$5.parseDynamicImport = function(node) { + this.next(); // skip `(` + + // Parse node.source. + node.source = this.parseMaybeAssign(); + + // Verify ending. + if (!this.eat(types$1.parenR)) { + var errorPos = this.start; + if (this.eat(types$1.comma) && this.eat(types$1.parenR)) { + this.raiseRecoverable(errorPos, "Trailing comma is not allowed in import()"); + } else { + this.unexpected(errorPos); + } + } + + return this.finishNode(node, "ImportExpression") + }; + + pp$5.parseImportMeta = function(node) { + this.next(); // skip `.` + + var containsEsc = this.containsEsc; + node.property = this.parseIdent(true); + + if (node.property.name !== "meta") + { this.raiseRecoverable(node.property.start, "The only valid meta property for import is 'import.meta'"); } + if (containsEsc) + { this.raiseRecoverable(node.start, "'import.meta' must not contain escaped characters"); } + if (this.options.sourceType !== "module" && !this.options.allowImportExportEverywhere) + { this.raiseRecoverable(node.start, "Cannot use 'import.meta' outside a module"); } + + return this.finishNode(node, "MetaProperty") + }; + + pp$5.parseLiteral = function(value) { + var node = this.startNode(); + node.value = value; + node.raw = this.input.slice(this.start, this.end); + if (node.raw.charCodeAt(node.raw.length - 1) === 110) { node.bigint = node.raw.slice(0, -1).replace(/_/g, ""); } + this.next(); + return this.finishNode(node, "Literal") + }; + + pp$5.parseParenExpression = function() { + this.expect(types$1.parenL); + var val = this.parseExpression(); + this.expect(types$1.parenR); + return val + }; + + pp$5.parseParenAndDistinguishExpression = function(canBeArrow, forInit) { + var startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8; + if (this.options.ecmaVersion >= 6) { + this.next(); + + var innerStartPos = this.start, innerStartLoc = this.startLoc; + var exprList = [], first = true, lastIsComma = false; + var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, spreadStart; + this.yieldPos = 0; + this.awaitPos = 0; + // Do not save awaitIdentPos to allow checking awaits nested in parameters + while (this.type !== types$1.parenR) { + first ? first = false : this.expect(types$1.comma); + if (allowTrailingComma && this.afterTrailingComma(types$1.parenR, true)) { + lastIsComma = true; + break + } else if (this.type === types$1.ellipsis) { + spreadStart = this.start; + exprList.push(this.parseParenItem(this.parseRestBinding())); + if (this.type === types$1.comma) { this.raise(this.start, "Comma is not permitted after the rest element"); } + break + } else { + exprList.push(this.parseMaybeAssign(false, refDestructuringErrors, this.parseParenItem)); + } + } + var innerEndPos = this.lastTokEnd, innerEndLoc = this.lastTokEndLoc; + this.expect(types$1.parenR); + + if (canBeArrow && !this.canInsertSemicolon() && this.eat(types$1.arrow)) { + this.checkPatternErrors(refDestructuringErrors, false); + this.checkYieldAwaitInDefaultParams(); + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + return this.parseParenArrowList(startPos, startLoc, exprList, forInit) + } + + if (!exprList.length || lastIsComma) { this.unexpected(this.lastTokStart); } + if (spreadStart) { this.unexpected(spreadStart); } + this.checkExpressionErrors(refDestructuringErrors, true); + this.yieldPos = oldYieldPos || this.yieldPos; + this.awaitPos = oldAwaitPos || this.awaitPos; + + if (exprList.length > 1) { + val = this.startNodeAt(innerStartPos, innerStartLoc); + val.expressions = exprList; + this.finishNodeAt(val, "SequenceExpression", innerEndPos, innerEndLoc); + } else { + val = exprList[0]; + } + } else { + val = this.parseParenExpression(); + } + + if (this.options.preserveParens) { + var par = this.startNodeAt(startPos, startLoc); + par.expression = val; + return this.finishNode(par, "ParenthesizedExpression") + } else { + return val + } + }; + + pp$5.parseParenItem = function(item) { + return item + }; + + pp$5.parseParenArrowList = function(startPos, startLoc, exprList, forInit) { + return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, false, forInit) + }; + + // New's precedence is slightly tricky. It must allow its argument to + // be a `[]` or dot subscript expression, but not a call — at least, + // not without wrapping it in parentheses. Thus, it uses the noCalls + // argument to parseSubscripts to prevent it from consuming the + // argument list. + + var empty = []; + + pp$5.parseNew = function() { + if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword new"); } + var node = this.startNode(); + var meta = this.parseIdent(true); + if (this.options.ecmaVersion >= 6 && this.eat(types$1.dot)) { + node.meta = meta; + var containsEsc = this.containsEsc; + node.property = this.parseIdent(true); + if (node.property.name !== "target") + { this.raiseRecoverable(node.property.start, "The only valid meta property for new is 'new.target'"); } + if (containsEsc) + { this.raiseRecoverable(node.start, "'new.target' must not contain escaped characters"); } + if (!this.allowNewDotTarget) + { this.raiseRecoverable(node.start, "'new.target' can only be used in functions and class static block"); } + return this.finishNode(node, "MetaProperty") + } + var startPos = this.start, startLoc = this.startLoc, isImport = this.type === types$1._import; + node.callee = this.parseSubscripts(this.parseExprAtom(), startPos, startLoc, true, false); + if (isImport && node.callee.type === "ImportExpression") { + this.raise(startPos, "Cannot use new with import()"); + } + if (this.eat(types$1.parenL)) { node.arguments = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false); } + else { node.arguments = empty; } + return this.finishNode(node, "NewExpression") + }; + + // Parse template expression. + + pp$5.parseTemplateElement = function(ref) { + var isTagged = ref.isTagged; + + var elem = this.startNode(); + if (this.type === types$1.invalidTemplate) { + if (!isTagged) { + this.raiseRecoverable(this.start, "Bad escape sequence in untagged template literal"); + } + elem.value = { + raw: this.value, + cooked: null + }; + } else { + elem.value = { + raw: this.input.slice(this.start, this.end).replace(/\r\n?/g, "\n"), + cooked: this.value + }; + } + this.next(); + elem.tail = this.type === types$1.backQuote; + return this.finishNode(elem, "TemplateElement") + }; + + pp$5.parseTemplate = function(ref) { + if ( ref === void 0 ) ref = {}; + var isTagged = ref.isTagged; if ( isTagged === void 0 ) isTagged = false; + + var node = this.startNode(); + this.next(); + node.expressions = []; + var curElt = this.parseTemplateElement({isTagged: isTagged}); + node.quasis = [curElt]; + while (!curElt.tail) { + if (this.type === types$1.eof) { this.raise(this.pos, "Unterminated template literal"); } + this.expect(types$1.dollarBraceL); + node.expressions.push(this.parseExpression()); + this.expect(types$1.braceR); + node.quasis.push(curElt = this.parseTemplateElement({isTagged: isTagged})); + } + this.next(); + return this.finishNode(node, "TemplateLiteral") + }; + + pp$5.isAsyncProp = function(prop) { + return !prop.computed && prop.key.type === "Identifier" && prop.key.name === "async" && + (this.type === types$1.name || this.type === types$1.num || this.type === types$1.string || this.type === types$1.bracketL || this.type.keyword || (this.options.ecmaVersion >= 9 && this.type === types$1.star)) && + !lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) + }; + + // Parse an object literal or binding pattern. + + pp$5.parseObj = function(isPattern, refDestructuringErrors) { + var node = this.startNode(), first = true, propHash = {}; + node.properties = []; + this.next(); + while (!this.eat(types$1.braceR)) { + if (!first) { + this.expect(types$1.comma); + if (this.options.ecmaVersion >= 5 && this.afterTrailingComma(types$1.braceR)) { break } + } else { first = false; } + + var prop = this.parseProperty(isPattern, refDestructuringErrors); + if (!isPattern) { this.checkPropClash(prop, propHash, refDestructuringErrors); } + node.properties.push(prop); + } + return this.finishNode(node, isPattern ? "ObjectPattern" : "ObjectExpression") + }; + + pp$5.parseProperty = function(isPattern, refDestructuringErrors) { + var prop = this.startNode(), isGenerator, isAsync, startPos, startLoc; + if (this.options.ecmaVersion >= 9 && this.eat(types$1.ellipsis)) { + if (isPattern) { + prop.argument = this.parseIdent(false); + if (this.type === types$1.comma) { + this.raise(this.start, "Comma is not permitted after the rest element"); + } + return this.finishNode(prop, "RestElement") + } + // Parse argument. + prop.argument = this.parseMaybeAssign(false, refDestructuringErrors); + // To disallow trailing comma via `this.toAssignable()`. + if (this.type === types$1.comma && refDestructuringErrors && refDestructuringErrors.trailingComma < 0) { + refDestructuringErrors.trailingComma = this.start; + } + // Finish + return this.finishNode(prop, "SpreadElement") + } + if (this.options.ecmaVersion >= 6) { + prop.method = false; + prop.shorthand = false; + if (isPattern || refDestructuringErrors) { + startPos = this.start; + startLoc = this.startLoc; + } + if (!isPattern) + { isGenerator = this.eat(types$1.star); } + } + var containsEsc = this.containsEsc; + this.parsePropertyName(prop); + if (!isPattern && !containsEsc && this.options.ecmaVersion >= 8 && !isGenerator && this.isAsyncProp(prop)) { + isAsync = true; + isGenerator = this.options.ecmaVersion >= 9 && this.eat(types$1.star); + this.parsePropertyName(prop); + } else { + isAsync = false; + } + this.parsePropertyValue(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc); + return this.finishNode(prop, "Property") + }; + + pp$5.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc) { + if ((isGenerator || isAsync) && this.type === types$1.colon) + { this.unexpected(); } + + if (this.eat(types$1.colon)) { + prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors); + prop.kind = "init"; + } else if (this.options.ecmaVersion >= 6 && this.type === types$1.parenL) { + if (isPattern) { this.unexpected(); } + prop.kind = "init"; + prop.method = true; + prop.value = this.parseMethod(isGenerator, isAsync); + } else if (!isPattern && !containsEsc && + this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === "Identifier" && + (prop.key.name === "get" || prop.key.name === "set") && + (this.type !== types$1.comma && this.type !== types$1.braceR && this.type !== types$1.eq)) { + if (isGenerator || isAsync) { this.unexpected(); } + prop.kind = prop.key.name; + this.parsePropertyName(prop); + prop.value = this.parseMethod(false); + var paramCount = prop.kind === "get" ? 0 : 1; + if (prop.value.params.length !== paramCount) { + var start = prop.value.start; + if (prop.kind === "get") + { this.raiseRecoverable(start, "getter should have no params"); } + else + { this.raiseRecoverable(start, "setter should have exactly one param"); } + } else { + if (prop.kind === "set" && prop.value.params[0].type === "RestElement") + { this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); } + } + } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") { + if (isGenerator || isAsync) { this.unexpected(); } + this.checkUnreserved(prop.key); + if (prop.key.name === "await" && !this.awaitIdentPos) + { this.awaitIdentPos = startPos; } + prop.kind = "init"; + if (isPattern) { + prop.value = this.parseMaybeDefault(startPos, startLoc, this.copyNode(prop.key)); + } else if (this.type === types$1.eq && refDestructuringErrors) { + if (refDestructuringErrors.shorthandAssign < 0) + { refDestructuringErrors.shorthandAssign = this.start; } + prop.value = this.parseMaybeDefault(startPos, startLoc, this.copyNode(prop.key)); + } else { + prop.value = this.copyNode(prop.key); + } + prop.shorthand = true; + } else { this.unexpected(); } + }; + + pp$5.parsePropertyName = function(prop) { + if (this.options.ecmaVersion >= 6) { + if (this.eat(types$1.bracketL)) { + prop.computed = true; + prop.key = this.parseMaybeAssign(); + this.expect(types$1.bracketR); + return prop.key + } else { + prop.computed = false; + } + } + return prop.key = this.type === types$1.num || this.type === types$1.string ? this.parseExprAtom() : this.parseIdent(this.options.allowReserved !== "never") + }; + + // Initialize empty function node. + + pp$5.initFunction = function(node) { + node.id = null; + if (this.options.ecmaVersion >= 6) { node.generator = node.expression = false; } + if (this.options.ecmaVersion >= 8) { node.async = false; } + }; + + // Parse object or class method. + + pp$5.parseMethod = function(isGenerator, isAsync, allowDirectSuper) { + var node = this.startNode(), oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; + + this.initFunction(node); + if (this.options.ecmaVersion >= 6) + { node.generator = isGenerator; } + if (this.options.ecmaVersion >= 8) + { node.async = !!isAsync; } + + this.yieldPos = 0; + this.awaitPos = 0; + this.awaitIdentPos = 0; + this.enterScope(functionFlags(isAsync, node.generator) | SCOPE_SUPER | (allowDirectSuper ? SCOPE_DIRECT_SUPER : 0)); + + this.expect(types$1.parenL); + node.params = this.parseBindingList(types$1.parenR, false, this.options.ecmaVersion >= 8); + this.checkYieldAwaitInDefaultParams(); + this.parseFunctionBody(node, false, true, false); + + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + this.awaitIdentPos = oldAwaitIdentPos; + return this.finishNode(node, "FunctionExpression") + }; + + // Parse arrow function expression with given parameters. + + pp$5.parseArrowExpression = function(node, params, isAsync, forInit) { + var oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; + + this.enterScope(functionFlags(isAsync, false) | SCOPE_ARROW); + this.initFunction(node); + if (this.options.ecmaVersion >= 8) { node.async = !!isAsync; } + + this.yieldPos = 0; + this.awaitPos = 0; + this.awaitIdentPos = 0; + + node.params = this.toAssignableList(params, true); + this.parseFunctionBody(node, true, false, forInit); + + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + this.awaitIdentPos = oldAwaitIdentPos; + return this.finishNode(node, "ArrowFunctionExpression") + }; + + // Parse function body and check parameters. + + pp$5.parseFunctionBody = function(node, isArrowFunction, isMethod, forInit) { + var isExpression = isArrowFunction && this.type !== types$1.braceL; + var oldStrict = this.strict, useStrict = false; + + if (isExpression) { + node.body = this.parseMaybeAssign(forInit); + node.expression = true; + this.checkParams(node, false); + } else { + var nonSimple = this.options.ecmaVersion >= 7 && !this.isSimpleParamList(node.params); + if (!oldStrict || nonSimple) { + useStrict = this.strictDirective(this.end); + // If this is a strict mode function, verify that argument names + // are not repeated, and it does not try to bind the words `eval` + // or `arguments`. + if (useStrict && nonSimple) + { this.raiseRecoverable(node.start, "Illegal 'use strict' directive in function with non-simple parameter list"); } + } + // Start a new scope with regard to labels and the `inFunction` + // flag (restore them to their old value afterwards). + var oldLabels = this.labels; + this.labels = []; + if (useStrict) { this.strict = true; } + + // Add the params to varDeclaredNames to ensure that an error is thrown + // if a let/const declaration in the function clashes with one of the params. + this.checkParams(node, !oldStrict && !useStrict && !isArrowFunction && !isMethod && this.isSimpleParamList(node.params)); + // Ensure the function name isn't a forbidden identifier in strict mode, e.g. 'eval' + if (this.strict && node.id) { this.checkLValSimple(node.id, BIND_OUTSIDE); } + node.body = this.parseBlock(false, undefined, useStrict && !oldStrict); + node.expression = false; + this.adaptDirectivePrologue(node.body.body); + this.labels = oldLabels; + } + this.exitScope(); + }; + + pp$5.isSimpleParamList = function(params) { + for (var i = 0, list = params; i < list.length; i += 1) + { + var param = list[i]; + + if (param.type !== "Identifier") { return false + } } + return true + }; + + // Checks function params for various disallowed patterns such as using "eval" + // or "arguments" and duplicate parameters. + + pp$5.checkParams = function(node, allowDuplicates) { + var nameHash = Object.create(null); + for (var i = 0, list = node.params; i < list.length; i += 1) + { + var param = list[i]; + + this.checkLValInnerPattern(param, BIND_VAR, allowDuplicates ? null : nameHash); + } + }; + + // Parses a comma-separated list of expressions, and returns them as + // an array. `close` is the token type that ends the list, and + // `allowEmpty` can be turned on to allow subsequent commas with + // nothing in between them to be parsed as `null` (which is needed + // for array literals). + + pp$5.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestructuringErrors) { + var elts = [], first = true; + while (!this.eat(close)) { + if (!first) { + this.expect(types$1.comma); + if (allowTrailingComma && this.afterTrailingComma(close)) { break } + } else { first = false; } + + var elt = (void 0); + if (allowEmpty && this.type === types$1.comma) + { elt = null; } + else if (this.type === types$1.ellipsis) { + elt = this.parseSpread(refDestructuringErrors); + if (refDestructuringErrors && this.type === types$1.comma && refDestructuringErrors.trailingComma < 0) + { refDestructuringErrors.trailingComma = this.start; } + } else { + elt = this.parseMaybeAssign(false, refDestructuringErrors); + } + elts.push(elt); + } + return elts + }; + + pp$5.checkUnreserved = function(ref) { + var start = ref.start; + var end = ref.end; + var name = ref.name; + + if (this.inGenerator && name === "yield") + { this.raiseRecoverable(start, "Cannot use 'yield' as identifier inside a generator"); } + if (this.inAsync && name === "await") + { this.raiseRecoverable(start, "Cannot use 'await' as identifier inside an async function"); } + if (this.currentThisScope().inClassFieldInit && name === "arguments") + { this.raiseRecoverable(start, "Cannot use 'arguments' in class field initializer"); } + if (this.inClassStaticBlock && (name === "arguments" || name === "await")) + { this.raise(start, ("Cannot use " + name + " in class static initialization block")); } + if (this.keywords.test(name)) + { this.raise(start, ("Unexpected keyword '" + name + "'")); } + if (this.options.ecmaVersion < 6 && + this.input.slice(start, end).indexOf("\\") !== -1) { return } + var re = this.strict ? this.reservedWordsStrict : this.reservedWords; + if (re.test(name)) { + if (!this.inAsync && name === "await") + { this.raiseRecoverable(start, "Cannot use keyword 'await' outside an async function"); } + this.raiseRecoverable(start, ("The keyword '" + name + "' is reserved")); + } + }; + + // Parse the next token as an identifier. If `liberal` is true (used + // when parsing properties), it will also convert keywords into + // identifiers. + + pp$5.parseIdent = function(liberal) { + var node = this.startNode(); + if (this.type === types$1.name) { + node.name = this.value; + } else if (this.type.keyword) { + node.name = this.type.keyword; + + // To fix https://github.com/acornjs/acorn/issues/575 + // `class` and `function` keywords push new context into this.context. + // But there is no chance to pop the context if the keyword is consumed as an identifier such as a property name. + // If the previous token is a dot, this does not apply because the context-managing code already ignored the keyword + if ((node.name === "class" || node.name === "function") && + (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) { + this.context.pop(); + } + } else { + this.unexpected(); + } + this.next(!!liberal); + this.finishNode(node, "Identifier"); + if (!liberal) { + this.checkUnreserved(node); + if (node.name === "await" && !this.awaitIdentPos) + { this.awaitIdentPos = node.start; } + } + return node + }; + + pp$5.parsePrivateIdent = function() { + var node = this.startNode(); + if (this.type === types$1.privateId) { + node.name = this.value; + } else { + this.unexpected(); + } + this.next(); + this.finishNode(node, "PrivateIdentifier"); + + // For validating existence + if (this.privateNameStack.length === 0) { + this.raise(node.start, ("Private field '#" + (node.name) + "' must be declared in an enclosing class")); + } else { + this.privateNameStack[this.privateNameStack.length - 1].used.push(node); + } + + return node + }; + + // Parses yield expression inside generator. + + pp$5.parseYield = function(forInit) { + if (!this.yieldPos) { this.yieldPos = this.start; } + + var node = this.startNode(); + this.next(); + if (this.type === types$1.semi || this.canInsertSemicolon() || (this.type !== types$1.star && !this.type.startsExpr)) { + node.delegate = false; + node.argument = null; + } else { + node.delegate = this.eat(types$1.star); + node.argument = this.parseMaybeAssign(forInit); + } + return this.finishNode(node, "YieldExpression") + }; + + pp$5.parseAwait = function(forInit) { + if (!this.awaitPos) { this.awaitPos = this.start; } + + var node = this.startNode(); + this.next(); + node.argument = this.parseMaybeUnary(null, true, false, forInit); + return this.finishNode(node, "AwaitExpression") + }; + + var pp$4 = Parser.prototype; + + // This function is used to raise exceptions on parse errors. It + // takes an offset integer (into the current `input`) to indicate + // the location of the error, attaches the position to the end + // of the error message, and then raises a `SyntaxError` with that + // message. + + pp$4.raise = function(pos, message) { + var loc = getLineInfo(this.input, pos); + message += " (" + loc.line + ":" + loc.column + ")"; + var err = new SyntaxError(message); + err.pos = pos; err.loc = loc; err.raisedAt = this.pos; + throw err + }; + + pp$4.raiseRecoverable = pp$4.raise; + + pp$4.curPosition = function() { + if (this.options.locations) { + return new Position(this.curLine, this.pos - this.lineStart) + } + }; + + var pp$3 = Parser.prototype; + + var Scope = function Scope(flags) { + this.flags = flags; + // A list of var-declared names in the current lexical scope + this.var = []; + // A list of lexically-declared names in the current lexical scope + this.lexical = []; + // A list of lexically-declared FunctionDeclaration names in the current lexical scope + this.functions = []; + // A switch to disallow the identifier reference 'arguments' + this.inClassFieldInit = false; + }; + + // The functions in this module keep track of declared variables in the current scope in order to detect duplicate variable names. + + pp$3.enterScope = function(flags) { + this.scopeStack.push(new Scope(flags)); + }; + + pp$3.exitScope = function() { + this.scopeStack.pop(); + }; + + // The spec says: + // > At the top level of a function, or script, function declarations are + // > treated like var declarations rather than like lexical declarations. + pp$3.treatFunctionsAsVarInScope = function(scope) { + return (scope.flags & SCOPE_FUNCTION) || !this.inModule && (scope.flags & SCOPE_TOP) + }; + + pp$3.declareName = function(name, bindingType, pos) { + var redeclared = false; + if (bindingType === BIND_LEXICAL) { + var scope = this.currentScope(); + redeclared = scope.lexical.indexOf(name) > -1 || scope.functions.indexOf(name) > -1 || scope.var.indexOf(name) > -1; + scope.lexical.push(name); + if (this.inModule && (scope.flags & SCOPE_TOP)) + { delete this.undefinedExports[name]; } + } else if (bindingType === BIND_SIMPLE_CATCH) { + var scope$1 = this.currentScope(); + scope$1.lexical.push(name); + } else if (bindingType === BIND_FUNCTION) { + var scope$2 = this.currentScope(); + if (this.treatFunctionsAsVar) + { redeclared = scope$2.lexical.indexOf(name) > -1; } + else + { redeclared = scope$2.lexical.indexOf(name) > -1 || scope$2.var.indexOf(name) > -1; } + scope$2.functions.push(name); + } else { + for (var i = this.scopeStack.length - 1; i >= 0; --i) { + var scope$3 = this.scopeStack[i]; + if (scope$3.lexical.indexOf(name) > -1 && !((scope$3.flags & SCOPE_SIMPLE_CATCH) && scope$3.lexical[0] === name) || + !this.treatFunctionsAsVarInScope(scope$3) && scope$3.functions.indexOf(name) > -1) { + redeclared = true; + break + } + scope$3.var.push(name); + if (this.inModule && (scope$3.flags & SCOPE_TOP)) + { delete this.undefinedExports[name]; } + if (scope$3.flags & SCOPE_VAR) { break } + } + } + if (redeclared) { this.raiseRecoverable(pos, ("Identifier '" + name + "' has already been declared")); } + }; + + pp$3.checkLocalExport = function(id) { + // scope.functions must be empty as Module code is always strict. + if (this.scopeStack[0].lexical.indexOf(id.name) === -1 && + this.scopeStack[0].var.indexOf(id.name) === -1) { + this.undefinedExports[id.name] = id; + } + }; + + pp$3.currentScope = function() { + return this.scopeStack[this.scopeStack.length - 1] + }; + + pp$3.currentVarScope = function() { + for (var i = this.scopeStack.length - 1;; i--) { + var scope = this.scopeStack[i]; + if (scope.flags & SCOPE_VAR) { return scope } + } + }; + + // Could be useful for `this`, `new.target`, `super()`, `super.property`, and `super[property]`. + pp$3.currentThisScope = function() { + for (var i = this.scopeStack.length - 1;; i--) { + var scope = this.scopeStack[i]; + if (scope.flags & SCOPE_VAR && !(scope.flags & SCOPE_ARROW)) { return scope } + } + }; + + var Node = function Node(parser, pos, loc) { + this.type = ""; + this.start = pos; + this.end = 0; + if (parser.options.locations) + { this.loc = new SourceLocation(parser, loc); } + if (parser.options.directSourceFile) + { this.sourceFile = parser.options.directSourceFile; } + if (parser.options.ranges) + { this.range = [pos, 0]; } + }; + + // Start an AST node, attaching a start offset. + + var pp$2 = Parser.prototype; + + pp$2.startNode = function() { + return new Node(this, this.start, this.startLoc) + }; + + pp$2.startNodeAt = function(pos, loc) { + return new Node(this, pos, loc) + }; + + // Finish an AST node, adding `type` and `end` properties. + + function finishNodeAt(node, type, pos, loc) { + node.type = type; + node.end = pos; + if (this.options.locations) + { node.loc.end = loc; } + if (this.options.ranges) + { node.range[1] = pos; } + return node + } + + pp$2.finishNode = function(node, type) { + return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc) + }; + + // Finish node at given position + + pp$2.finishNodeAt = function(node, type, pos, loc) { + return finishNodeAt.call(this, node, type, pos, loc) + }; + + pp$2.copyNode = function(node) { + var newNode = new Node(this, node.start, this.startLoc); + for (var prop in node) { newNode[prop] = node[prop]; } + return newNode + }; + + // This file contains Unicode properties extracted from the ECMAScript specification. + // The lists are extracted like so: + // $$('#table-binary-unicode-properties > figure > table > tbody > tr > td:nth-child(1) code').map(el => el.innerText) + + // #table-binary-unicode-properties + var ecma9BinaryProperties = "ASCII ASCII_Hex_Digit AHex Alphabetic Alpha Any Assigned Bidi_Control Bidi_C Bidi_Mirrored Bidi_M Case_Ignorable CI Cased Changes_When_Casefolded CWCF Changes_When_Casemapped CWCM Changes_When_Lowercased CWL Changes_When_NFKC_Casefolded CWKCF Changes_When_Titlecased CWT Changes_When_Uppercased CWU Dash Default_Ignorable_Code_Point DI Deprecated Dep Diacritic Dia Emoji Emoji_Component Emoji_Modifier Emoji_Modifier_Base Emoji_Presentation Extender Ext Grapheme_Base Gr_Base Grapheme_Extend Gr_Ext Hex_Digit Hex IDS_Binary_Operator IDSB IDS_Trinary_Operator IDST ID_Continue IDC ID_Start IDS Ideographic Ideo Join_Control Join_C Logical_Order_Exception LOE Lowercase Lower Math Noncharacter_Code_Point NChar Pattern_Syntax Pat_Syn Pattern_White_Space Pat_WS Quotation_Mark QMark Radical Regional_Indicator RI Sentence_Terminal STerm Soft_Dotted SD Terminal_Punctuation Term Unified_Ideograph UIdeo Uppercase Upper Variation_Selector VS White_Space space XID_Continue XIDC XID_Start XIDS"; + var ecma10BinaryProperties = ecma9BinaryProperties + " Extended_Pictographic"; + var ecma11BinaryProperties = ecma10BinaryProperties; + var ecma12BinaryProperties = ecma11BinaryProperties + " EBase EComp EMod EPres ExtPict"; + var ecma13BinaryProperties = ecma12BinaryProperties; + var ecma14BinaryProperties = ecma13BinaryProperties; + + var unicodeBinaryProperties = { + 9: ecma9BinaryProperties, + 10: ecma10BinaryProperties, + 11: ecma11BinaryProperties, + 12: ecma12BinaryProperties, + 13: ecma13BinaryProperties, + 14: ecma14BinaryProperties + }; + + // #table-unicode-general-category-values + var unicodeGeneralCategoryValues = "Cased_Letter LC Close_Punctuation Pe Connector_Punctuation Pc Control Cc cntrl Currency_Symbol Sc Dash_Punctuation Pd Decimal_Number Nd digit Enclosing_Mark Me Final_Punctuation Pf Format Cf Initial_Punctuation Pi Letter L Letter_Number Nl Line_Separator Zl Lowercase_Letter Ll Mark M Combining_Mark Math_Symbol Sm Modifier_Letter Lm Modifier_Symbol Sk Nonspacing_Mark Mn Number N Open_Punctuation Ps Other C Other_Letter Lo Other_Number No Other_Punctuation Po Other_Symbol So Paragraph_Separator Zp Private_Use Co Punctuation P punct Separator Z Space_Separator Zs Spacing_Mark Mc Surrogate Cs Symbol S Titlecase_Letter Lt Unassigned Cn Uppercase_Letter Lu"; + + // #table-unicode-script-values + var ecma9ScriptValues = "Adlam Adlm Ahom Anatolian_Hieroglyphs Hluw Arabic Arab Armenian Armn Avestan Avst Balinese Bali Bamum Bamu Bassa_Vah Bass Batak Batk Bengali Beng Bhaiksuki Bhks Bopomofo Bopo Brahmi Brah Braille Brai Buginese Bugi Buhid Buhd Canadian_Aboriginal Cans Carian Cari Caucasian_Albanian Aghb Chakma Cakm Cham Cham Cherokee Cher Common Zyyy Coptic Copt Qaac Cuneiform Xsux Cypriot Cprt Cyrillic Cyrl Deseret Dsrt Devanagari Deva Duployan Dupl Egyptian_Hieroglyphs Egyp Elbasan Elba Ethiopic Ethi Georgian Geor Glagolitic Glag Gothic Goth Grantha Gran Greek Grek Gujarati Gujr Gurmukhi Guru Han Hani Hangul Hang Hanunoo Hano Hatran Hatr Hebrew Hebr Hiragana Hira Imperial_Aramaic Armi Inherited Zinh Qaai Inscriptional_Pahlavi Phli Inscriptional_Parthian Prti Javanese Java Kaithi Kthi Kannada Knda Katakana Kana Kayah_Li Kali Kharoshthi Khar Khmer Khmr Khojki Khoj Khudawadi Sind Lao Laoo Latin Latn Lepcha Lepc Limbu Limb Linear_A Lina Linear_B Linb Lisu Lisu Lycian Lyci Lydian Lydi Mahajani Mahj Malayalam Mlym Mandaic Mand Manichaean Mani Marchen Marc Masaram_Gondi Gonm Meetei_Mayek Mtei Mende_Kikakui Mend Meroitic_Cursive Merc Meroitic_Hieroglyphs Mero Miao Plrd Modi Mongolian Mong Mro Mroo Multani Mult Myanmar Mymr Nabataean Nbat New_Tai_Lue Talu Newa Newa Nko Nkoo Nushu Nshu Ogham Ogam Ol_Chiki Olck Old_Hungarian Hung Old_Italic Ital Old_North_Arabian Narb Old_Permic Perm Old_Persian Xpeo Old_South_Arabian Sarb Old_Turkic Orkh Oriya Orya Osage Osge Osmanya Osma Pahawh_Hmong Hmng Palmyrene Palm Pau_Cin_Hau Pauc Phags_Pa Phag Phoenician Phnx Psalter_Pahlavi Phlp Rejang Rjng Runic Runr Samaritan Samr Saurashtra Saur Sharada Shrd Shavian Shaw Siddham Sidd SignWriting Sgnw Sinhala Sinh Sora_Sompeng Sora Soyombo Soyo Sundanese Sund Syloti_Nagri Sylo Syriac Syrc Tagalog Tglg Tagbanwa Tagb Tai_Le Tale Tai_Tham Lana Tai_Viet Tavt Takri Takr Tamil Taml Tangut Tang Telugu Telu Thaana Thaa Thai Thai Tibetan Tibt Tifinagh Tfng Tirhuta Tirh Ugaritic Ugar Vai Vaii Warang_Citi Wara Yi Yiii Zanabazar_Square Zanb"; + var ecma10ScriptValues = ecma9ScriptValues + " Dogra Dogr Gunjala_Gondi Gong Hanifi_Rohingya Rohg Makasar Maka Medefaidrin Medf Old_Sogdian Sogo Sogdian Sogd"; + var ecma11ScriptValues = ecma10ScriptValues + " Elymaic Elym Nandinagari Nand Nyiakeng_Puachue_Hmong Hmnp Wancho Wcho"; + var ecma12ScriptValues = ecma11ScriptValues + " Chorasmian Chrs Diak Dives_Akuru Khitan_Small_Script Kits Yezi Yezidi"; + var ecma13ScriptValues = ecma12ScriptValues + " Cypro_Minoan Cpmn Old_Uyghur Ougr Tangsa Tnsa Toto Vithkuqi Vith"; + var ecma14ScriptValues = ecma13ScriptValues + " Kawi Nag_Mundari Nagm"; + + var unicodeScriptValues = { + 9: ecma9ScriptValues, + 10: ecma10ScriptValues, + 11: ecma11ScriptValues, + 12: ecma12ScriptValues, + 13: ecma13ScriptValues, + 14: ecma14ScriptValues + }; + + var data = {}; + function buildUnicodeData(ecmaVersion) { + var d = data[ecmaVersion] = { + binary: wordsRegexp(unicodeBinaryProperties[ecmaVersion] + " " + unicodeGeneralCategoryValues), + nonBinary: { + General_Category: wordsRegexp(unicodeGeneralCategoryValues), + Script: wordsRegexp(unicodeScriptValues[ecmaVersion]) + } + }; + d.nonBinary.Script_Extensions = d.nonBinary.Script; + + d.nonBinary.gc = d.nonBinary.General_Category; + d.nonBinary.sc = d.nonBinary.Script; + d.nonBinary.scx = d.nonBinary.Script_Extensions; + } + + for (var i = 0, list = [9, 10, 11, 12, 13, 14]; i < list.length; i += 1) { + var ecmaVersion = list[i]; + + buildUnicodeData(ecmaVersion); + } + + var pp$1 = Parser.prototype; + + var RegExpValidationState = function RegExpValidationState(parser) { + this.parser = parser; + this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : "") + (parser.options.ecmaVersion >= 13 ? "d" : ""); + this.unicodeProperties = data[parser.options.ecmaVersion >= 14 ? 14 : parser.options.ecmaVersion]; + this.source = ""; + this.flags = ""; + this.start = 0; + this.switchU = false; + this.switchN = false; + this.pos = 0; + this.lastIntValue = 0; + this.lastStringValue = ""; + this.lastAssertionIsQuantifiable = false; + this.numCapturingParens = 0; + this.maxBackReference = 0; + this.groupNames = []; + this.backReferenceNames = []; + }; + + RegExpValidationState.prototype.reset = function reset (start, pattern, flags) { + var unicode = flags.indexOf("u") !== -1; + this.start = start | 0; + this.source = pattern + ""; + this.flags = flags; + this.switchU = unicode && this.parser.options.ecmaVersion >= 6; + this.switchN = unicode && this.parser.options.ecmaVersion >= 9; + }; + + RegExpValidationState.prototype.raise = function raise (message) { + this.parser.raiseRecoverable(this.start, ("Invalid regular expression: /" + (this.source) + "/: " + message)); + }; + + // If u flag is given, this returns the code point at the index (it combines a surrogate pair). + // Otherwise, this returns the code unit of the index (can be a part of a surrogate pair). + RegExpValidationState.prototype.at = function at (i, forceU) { + if ( forceU === void 0 ) forceU = false; + + var s = this.source; + var l = s.length; + if (i >= l) { + return -1 + } + var c = s.charCodeAt(i); + if (!(forceU || this.switchU) || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l) { + return c + } + var next = s.charCodeAt(i + 1); + return next >= 0xDC00 && next <= 0xDFFF ? (c << 10) + next - 0x35FDC00 : c + }; + + RegExpValidationState.prototype.nextIndex = function nextIndex (i, forceU) { + if ( forceU === void 0 ) forceU = false; + + var s = this.source; + var l = s.length; + if (i >= l) { + return l + } + var c = s.charCodeAt(i), next; + if (!(forceU || this.switchU) || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l || + (next = s.charCodeAt(i + 1)) < 0xDC00 || next > 0xDFFF) { + return i + 1 + } + return i + 2 + }; + + RegExpValidationState.prototype.current = function current (forceU) { + if ( forceU === void 0 ) forceU = false; + + return this.at(this.pos, forceU) + }; + + RegExpValidationState.prototype.lookahead = function lookahead (forceU) { + if ( forceU === void 0 ) forceU = false; + + return this.at(this.nextIndex(this.pos, forceU), forceU) + }; + + RegExpValidationState.prototype.advance = function advance (forceU) { + if ( forceU === void 0 ) forceU = false; + + this.pos = this.nextIndex(this.pos, forceU); + }; + + RegExpValidationState.prototype.eat = function eat (ch, forceU) { + if ( forceU === void 0 ) forceU = false; + + if (this.current(forceU) === ch) { + this.advance(forceU); + return true + } + return false + }; + + /** + * Validate the flags part of a given RegExpLiteral. + * + * @param {RegExpValidationState} state The state to validate RegExp. + * @returns {void} + */ + pp$1.validateRegExpFlags = function(state) { + var validFlags = state.validFlags; + var flags = state.flags; + + for (var i = 0; i < flags.length; i++) { + var flag = flags.charAt(i); + if (validFlags.indexOf(flag) === -1) { + this.raise(state.start, "Invalid regular expression flag"); + } + if (flags.indexOf(flag, i + 1) > -1) { + this.raise(state.start, "Duplicate regular expression flag"); + } + } + }; + + /** + * Validate the pattern part of a given RegExpLiteral. + * + * @param {RegExpValidationState} state The state to validate RegExp. + * @returns {void} + */ + pp$1.validateRegExpPattern = function(state) { + this.regexp_pattern(state); + + // The goal symbol for the parse is |Pattern[~U, ~N]|. If the result of + // parsing contains a |GroupName|, reparse with the goal symbol + // |Pattern[~U, +N]| and use this result instead. Throw a *SyntaxError* + // exception if _P_ did not conform to the grammar, if any elements of _P_ + // were not matched by the parse, or if any Early Error conditions exist. + if (!state.switchN && this.options.ecmaVersion >= 9 && state.groupNames.length > 0) { + state.switchN = true; + this.regexp_pattern(state); + } + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-Pattern + pp$1.regexp_pattern = function(state) { + state.pos = 0; + state.lastIntValue = 0; + state.lastStringValue = ""; + state.lastAssertionIsQuantifiable = false; + state.numCapturingParens = 0; + state.maxBackReference = 0; + state.groupNames.length = 0; + state.backReferenceNames.length = 0; + + this.regexp_disjunction(state); + + if (state.pos !== state.source.length) { + // Make the same messages as V8. + if (state.eat(0x29 /* ) */)) { + state.raise("Unmatched ')'"); + } + if (state.eat(0x5D /* ] */) || state.eat(0x7D /* } */)) { + state.raise("Lone quantifier brackets"); + } + } + if (state.maxBackReference > state.numCapturingParens) { + state.raise("Invalid escape"); + } + for (var i = 0, list = state.backReferenceNames; i < list.length; i += 1) { + var name = list[i]; + + if (state.groupNames.indexOf(name) === -1) { + state.raise("Invalid named capture referenced"); + } + } + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-Disjunction + pp$1.regexp_disjunction = function(state) { + this.regexp_alternative(state); + while (state.eat(0x7C /* | */)) { + this.regexp_alternative(state); + } + + // Make the same message as V8. + if (this.regexp_eatQuantifier(state, true)) { + state.raise("Nothing to repeat"); + } + if (state.eat(0x7B /* { */)) { + state.raise("Lone quantifier brackets"); + } + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-Alternative + pp$1.regexp_alternative = function(state) { + while (state.pos < state.source.length && this.regexp_eatTerm(state)) + { } + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Term + pp$1.regexp_eatTerm = function(state) { + if (this.regexp_eatAssertion(state)) { + // Handle `QuantifiableAssertion Quantifier` alternative. + // `state.lastAssertionIsQuantifiable` is true if the last eaten Assertion + // is a QuantifiableAssertion. + if (state.lastAssertionIsQuantifiable && this.regexp_eatQuantifier(state)) { + // Make the same message as V8. + if (state.switchU) { + state.raise("Invalid quantifier"); + } + } + return true + } + + if (state.switchU ? this.regexp_eatAtom(state) : this.regexp_eatExtendedAtom(state)) { + this.regexp_eatQuantifier(state); + return true + } + + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Assertion + pp$1.regexp_eatAssertion = function(state) { + var start = state.pos; + state.lastAssertionIsQuantifiable = false; + + // ^, $ + if (state.eat(0x5E /* ^ */) || state.eat(0x24 /* $ */)) { + return true + } + + // \b \B + if (state.eat(0x5C /* \ */)) { + if (state.eat(0x42 /* B */) || state.eat(0x62 /* b */)) { + return true + } + state.pos = start; + } + + // Lookahead / Lookbehind + if (state.eat(0x28 /* ( */) && state.eat(0x3F /* ? */)) { + var lookbehind = false; + if (this.options.ecmaVersion >= 9) { + lookbehind = state.eat(0x3C /* < */); + } + if (state.eat(0x3D /* = */) || state.eat(0x21 /* ! */)) { + this.regexp_disjunction(state); + if (!state.eat(0x29 /* ) */)) { + state.raise("Unterminated group"); + } + state.lastAssertionIsQuantifiable = !lookbehind; + return true + } + } + + state.pos = start; + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-Quantifier + pp$1.regexp_eatQuantifier = function(state, noError) { + if ( noError === void 0 ) noError = false; + + if (this.regexp_eatQuantifierPrefix(state, noError)) { + state.eat(0x3F /* ? */); + return true + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-QuantifierPrefix + pp$1.regexp_eatQuantifierPrefix = function(state, noError) { + return ( + state.eat(0x2A /* * */) || + state.eat(0x2B /* + */) || + state.eat(0x3F /* ? */) || + this.regexp_eatBracedQuantifier(state, noError) + ) + }; + pp$1.regexp_eatBracedQuantifier = function(state, noError) { + var start = state.pos; + if (state.eat(0x7B /* { */)) { + var min = 0, max = -1; + if (this.regexp_eatDecimalDigits(state)) { + min = state.lastIntValue; + if (state.eat(0x2C /* , */) && this.regexp_eatDecimalDigits(state)) { + max = state.lastIntValue; + } + if (state.eat(0x7D /* } */)) { + // SyntaxError in https://www.ecma-international.org/ecma-262/8.0/#sec-term + if (max !== -1 && max < min && !noError) { + state.raise("numbers out of order in {} quantifier"); + } + return true + } + } + if (state.switchU && !noError) { + state.raise("Incomplete quantifier"); + } + state.pos = start; + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-Atom + pp$1.regexp_eatAtom = function(state) { + return ( + this.regexp_eatPatternCharacters(state) || + state.eat(0x2E /* . */) || + this.regexp_eatReverseSolidusAtomEscape(state) || + this.regexp_eatCharacterClass(state) || + this.regexp_eatUncapturingGroup(state) || + this.regexp_eatCapturingGroup(state) + ) + }; + pp$1.regexp_eatReverseSolidusAtomEscape = function(state) { + var start = state.pos; + if (state.eat(0x5C /* \ */)) { + if (this.regexp_eatAtomEscape(state)) { + return true + } + state.pos = start; + } + return false + }; + pp$1.regexp_eatUncapturingGroup = function(state) { + var start = state.pos; + if (state.eat(0x28 /* ( */)) { + if (state.eat(0x3F /* ? */) && state.eat(0x3A /* : */)) { + this.regexp_disjunction(state); + if (state.eat(0x29 /* ) */)) { + return true + } + state.raise("Unterminated group"); + } + state.pos = start; + } + return false + }; + pp$1.regexp_eatCapturingGroup = function(state) { + if (state.eat(0x28 /* ( */)) { + if (this.options.ecmaVersion >= 9) { + this.regexp_groupSpecifier(state); + } else if (state.current() === 0x3F /* ? */) { + state.raise("Invalid group"); + } + this.regexp_disjunction(state); + if (state.eat(0x29 /* ) */)) { + state.numCapturingParens += 1; + return true + } + state.raise("Unterminated group"); + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedAtom + pp$1.regexp_eatExtendedAtom = function(state) { + return ( + state.eat(0x2E /* . */) || + this.regexp_eatReverseSolidusAtomEscape(state) || + this.regexp_eatCharacterClass(state) || + this.regexp_eatUncapturingGroup(state) || + this.regexp_eatCapturingGroup(state) || + this.regexp_eatInvalidBracedQuantifier(state) || + this.regexp_eatExtendedPatternCharacter(state) + ) + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-InvalidBracedQuantifier + pp$1.regexp_eatInvalidBracedQuantifier = function(state) { + if (this.regexp_eatBracedQuantifier(state, true)) { + state.raise("Nothing to repeat"); + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-SyntaxCharacter + pp$1.regexp_eatSyntaxCharacter = function(state) { + var ch = state.current(); + if (isSyntaxCharacter(ch)) { + state.lastIntValue = ch; + state.advance(); + return true + } + return false + }; + function isSyntaxCharacter(ch) { + return ( + ch === 0x24 /* $ */ || + ch >= 0x28 /* ( */ && ch <= 0x2B /* + */ || + ch === 0x2E /* . */ || + ch === 0x3F /* ? */ || + ch >= 0x5B /* [ */ && ch <= 0x5E /* ^ */ || + ch >= 0x7B /* { */ && ch <= 0x7D /* } */ + ) + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-PatternCharacter + // But eat eager. + pp$1.regexp_eatPatternCharacters = function(state) { + var start = state.pos; + var ch = 0; + while ((ch = state.current()) !== -1 && !isSyntaxCharacter(ch)) { + state.advance(); + } + return state.pos !== start + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedPatternCharacter + pp$1.regexp_eatExtendedPatternCharacter = function(state) { + var ch = state.current(); + if ( + ch !== -1 && + ch !== 0x24 /* $ */ && + !(ch >= 0x28 /* ( */ && ch <= 0x2B /* + */) && + ch !== 0x2E /* . */ && + ch !== 0x3F /* ? */ && + ch !== 0x5B /* [ */ && + ch !== 0x5E /* ^ */ && + ch !== 0x7C /* | */ + ) { + state.advance(); + return true + } + return false + }; + + // GroupSpecifier :: + // [empty] + // `?` GroupName + pp$1.regexp_groupSpecifier = function(state) { + if (state.eat(0x3F /* ? */)) { + if (this.regexp_eatGroupName(state)) { + if (state.groupNames.indexOf(state.lastStringValue) !== -1) { + state.raise("Duplicate capture group name"); + } + state.groupNames.push(state.lastStringValue); + return + } + state.raise("Invalid group"); + } + }; + + // GroupName :: + // `<` RegExpIdentifierName `>` + // Note: this updates `state.lastStringValue` property with the eaten name. + pp$1.regexp_eatGroupName = function(state) { + state.lastStringValue = ""; + if (state.eat(0x3C /* < */)) { + if (this.regexp_eatRegExpIdentifierName(state) && state.eat(0x3E /* > */)) { + return true + } + state.raise("Invalid capture group name"); + } + return false + }; + + // RegExpIdentifierName :: + // RegExpIdentifierStart + // RegExpIdentifierName RegExpIdentifierPart + // Note: this updates `state.lastStringValue` property with the eaten name. + pp$1.regexp_eatRegExpIdentifierName = function(state) { + state.lastStringValue = ""; + if (this.regexp_eatRegExpIdentifierStart(state)) { + state.lastStringValue += codePointToString(state.lastIntValue); + while (this.regexp_eatRegExpIdentifierPart(state)) { + state.lastStringValue += codePointToString(state.lastIntValue); + } + return true + } + return false + }; + + // RegExpIdentifierStart :: + // UnicodeIDStart + // `$` + // `_` + // `\` RegExpUnicodeEscapeSequence[+U] + pp$1.regexp_eatRegExpIdentifierStart = function(state) { + var start = state.pos; + var forceU = this.options.ecmaVersion >= 11; + var ch = state.current(forceU); + state.advance(forceU); + + if (ch === 0x5C /* \ */ && this.regexp_eatRegExpUnicodeEscapeSequence(state, forceU)) { + ch = state.lastIntValue; + } + if (isRegExpIdentifierStart(ch)) { + state.lastIntValue = ch; + return true + } + + state.pos = start; + return false + }; + function isRegExpIdentifierStart(ch) { + return isIdentifierStart(ch, true) || ch === 0x24 /* $ */ || ch === 0x5F /* _ */ + } + + // RegExpIdentifierPart :: + // UnicodeIDContinue + // `$` + // `_` + // `\` RegExpUnicodeEscapeSequence[+U] + // + // + pp$1.regexp_eatRegExpIdentifierPart = function(state) { + var start = state.pos; + var forceU = this.options.ecmaVersion >= 11; + var ch = state.current(forceU); + state.advance(forceU); + + if (ch === 0x5C /* \ */ && this.regexp_eatRegExpUnicodeEscapeSequence(state, forceU)) { + ch = state.lastIntValue; + } + if (isRegExpIdentifierPart(ch)) { + state.lastIntValue = ch; + return true + } + + state.pos = start; + return false + }; + function isRegExpIdentifierPart(ch) { + return isIdentifierChar(ch, true) || ch === 0x24 /* $ */ || ch === 0x5F /* _ */ || ch === 0x200C /* */ || ch === 0x200D /* */ + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-AtomEscape + pp$1.regexp_eatAtomEscape = function(state) { + if ( + this.regexp_eatBackReference(state) || + this.regexp_eatCharacterClassEscape(state) || + this.regexp_eatCharacterEscape(state) || + (state.switchN && this.regexp_eatKGroupName(state)) + ) { + return true + } + if (state.switchU) { + // Make the same message as V8. + if (state.current() === 0x63 /* c */) { + state.raise("Invalid unicode escape"); + } + state.raise("Invalid escape"); + } + return false + }; + pp$1.regexp_eatBackReference = function(state) { + var start = state.pos; + if (this.regexp_eatDecimalEscape(state)) { + var n = state.lastIntValue; + if (state.switchU) { + // For SyntaxError in https://www.ecma-international.org/ecma-262/8.0/#sec-atomescape + if (n > state.maxBackReference) { + state.maxBackReference = n; + } + return true + } + if (n <= state.numCapturingParens) { + return true + } + state.pos = start; + } + return false + }; + pp$1.regexp_eatKGroupName = function(state) { + if (state.eat(0x6B /* k */)) { + if (this.regexp_eatGroupName(state)) { + state.backReferenceNames.push(state.lastStringValue); + return true + } + state.raise("Invalid named reference"); + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-CharacterEscape + pp$1.regexp_eatCharacterEscape = function(state) { + return ( + this.regexp_eatControlEscape(state) || + this.regexp_eatCControlLetter(state) || + this.regexp_eatZero(state) || + this.regexp_eatHexEscapeSequence(state) || + this.regexp_eatRegExpUnicodeEscapeSequence(state, false) || + (!state.switchU && this.regexp_eatLegacyOctalEscapeSequence(state)) || + this.regexp_eatIdentityEscape(state) + ) + }; + pp$1.regexp_eatCControlLetter = function(state) { + var start = state.pos; + if (state.eat(0x63 /* c */)) { + if (this.regexp_eatControlLetter(state)) { + return true + } + state.pos = start; + } + return false + }; + pp$1.regexp_eatZero = function(state) { + if (state.current() === 0x30 /* 0 */ && !isDecimalDigit(state.lookahead())) { + state.lastIntValue = 0; + state.advance(); + return true + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-ControlEscape + pp$1.regexp_eatControlEscape = function(state) { + var ch = state.current(); + if (ch === 0x74 /* t */) { + state.lastIntValue = 0x09; /* \t */ + state.advance(); + return true + } + if (ch === 0x6E /* n */) { + state.lastIntValue = 0x0A; /* \n */ + state.advance(); + return true + } + if (ch === 0x76 /* v */) { + state.lastIntValue = 0x0B; /* \v */ + state.advance(); + return true + } + if (ch === 0x66 /* f */) { + state.lastIntValue = 0x0C; /* \f */ + state.advance(); + return true + } + if (ch === 0x72 /* r */) { + state.lastIntValue = 0x0D; /* \r */ + state.advance(); + return true + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-ControlLetter + pp$1.regexp_eatControlLetter = function(state) { + var ch = state.current(); + if (isControlLetter(ch)) { + state.lastIntValue = ch % 0x20; + state.advance(); + return true + } + return false + }; + function isControlLetter(ch) { + return ( + (ch >= 0x41 /* A */ && ch <= 0x5A /* Z */) || + (ch >= 0x61 /* a */ && ch <= 0x7A /* z */) + ) + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-RegExpUnicodeEscapeSequence + pp$1.regexp_eatRegExpUnicodeEscapeSequence = function(state, forceU) { + if ( forceU === void 0 ) forceU = false; + + var start = state.pos; + var switchU = forceU || state.switchU; + + if (state.eat(0x75 /* u */)) { + if (this.regexp_eatFixedHexDigits(state, 4)) { + var lead = state.lastIntValue; + if (switchU && lead >= 0xD800 && lead <= 0xDBFF) { + var leadSurrogateEnd = state.pos; + if (state.eat(0x5C /* \ */) && state.eat(0x75 /* u */) && this.regexp_eatFixedHexDigits(state, 4)) { + var trail = state.lastIntValue; + if (trail >= 0xDC00 && trail <= 0xDFFF) { + state.lastIntValue = (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000; + return true + } + } + state.pos = leadSurrogateEnd; + state.lastIntValue = lead; + } + return true + } + if ( + switchU && + state.eat(0x7B /* { */) && + this.regexp_eatHexDigits(state) && + state.eat(0x7D /* } */) && + isValidUnicode(state.lastIntValue) + ) { + return true + } + if (switchU) { + state.raise("Invalid unicode escape"); + } + state.pos = start; + } + + return false + }; + function isValidUnicode(ch) { + return ch >= 0 && ch <= 0x10FFFF + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-IdentityEscape + pp$1.regexp_eatIdentityEscape = function(state) { + if (state.switchU) { + if (this.regexp_eatSyntaxCharacter(state)) { + return true + } + if (state.eat(0x2F /* / */)) { + state.lastIntValue = 0x2F; /* / */ + return true + } + return false + } + + var ch = state.current(); + if (ch !== 0x63 /* c */ && (!state.switchN || ch !== 0x6B /* k */)) { + state.lastIntValue = ch; + state.advance(); + return true + } + + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalEscape + pp$1.regexp_eatDecimalEscape = function(state) { + state.lastIntValue = 0; + var ch = state.current(); + if (ch >= 0x31 /* 1 */ && ch <= 0x39 /* 9 */) { + do { + state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 /* 0 */); + state.advance(); + } while ((ch = state.current()) >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */) + return true + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClassEscape + pp$1.regexp_eatCharacterClassEscape = function(state) { + var ch = state.current(); + + if (isCharacterClassEscape(ch)) { + state.lastIntValue = -1; + state.advance(); + return true + } + + if ( + state.switchU && + this.options.ecmaVersion >= 9 && + (ch === 0x50 /* P */ || ch === 0x70 /* p */) + ) { + state.lastIntValue = -1; + state.advance(); + if ( + state.eat(0x7B /* { */) && + this.regexp_eatUnicodePropertyValueExpression(state) && + state.eat(0x7D /* } */) + ) { + return true + } + state.raise("Invalid property name"); + } + + return false + }; + function isCharacterClassEscape(ch) { + return ( + ch === 0x64 /* d */ || + ch === 0x44 /* D */ || + ch === 0x73 /* s */ || + ch === 0x53 /* S */ || + ch === 0x77 /* w */ || + ch === 0x57 /* W */ + ) + } + + // UnicodePropertyValueExpression :: + // UnicodePropertyName `=` UnicodePropertyValue + // LoneUnicodePropertyNameOrValue + pp$1.regexp_eatUnicodePropertyValueExpression = function(state) { + var start = state.pos; + + // UnicodePropertyName `=` UnicodePropertyValue + if (this.regexp_eatUnicodePropertyName(state) && state.eat(0x3D /* = */)) { + var name = state.lastStringValue; + if (this.regexp_eatUnicodePropertyValue(state)) { + var value = state.lastStringValue; + this.regexp_validateUnicodePropertyNameAndValue(state, name, value); + return true + } + } + state.pos = start; + + // LoneUnicodePropertyNameOrValue + if (this.regexp_eatLoneUnicodePropertyNameOrValue(state)) { + var nameOrValue = state.lastStringValue; + this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue); + return true + } + return false + }; + pp$1.regexp_validateUnicodePropertyNameAndValue = function(state, name, value) { + if (!hasOwn(state.unicodeProperties.nonBinary, name)) + { state.raise("Invalid property name"); } + if (!state.unicodeProperties.nonBinary[name].test(value)) + { state.raise("Invalid property value"); } + }; + pp$1.regexp_validateUnicodePropertyNameOrValue = function(state, nameOrValue) { + if (!state.unicodeProperties.binary.test(nameOrValue)) + { state.raise("Invalid property name"); } + }; + + // UnicodePropertyName :: + // UnicodePropertyNameCharacters + pp$1.regexp_eatUnicodePropertyName = function(state) { + var ch = 0; + state.lastStringValue = ""; + while (isUnicodePropertyNameCharacter(ch = state.current())) { + state.lastStringValue += codePointToString(ch); + state.advance(); + } + return state.lastStringValue !== "" + }; + function isUnicodePropertyNameCharacter(ch) { + return isControlLetter(ch) || ch === 0x5F /* _ */ + } + + // UnicodePropertyValue :: + // UnicodePropertyValueCharacters + pp$1.regexp_eatUnicodePropertyValue = function(state) { + var ch = 0; + state.lastStringValue = ""; + while (isUnicodePropertyValueCharacter(ch = state.current())) { + state.lastStringValue += codePointToString(ch); + state.advance(); + } + return state.lastStringValue !== "" + }; + function isUnicodePropertyValueCharacter(ch) { + return isUnicodePropertyNameCharacter(ch) || isDecimalDigit(ch) + } + + // LoneUnicodePropertyNameOrValue :: + // UnicodePropertyValueCharacters + pp$1.regexp_eatLoneUnicodePropertyNameOrValue = function(state) { + return this.regexp_eatUnicodePropertyValue(state) + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClass + pp$1.regexp_eatCharacterClass = function(state) { + if (state.eat(0x5B /* [ */)) { + state.eat(0x5E /* ^ */); + this.regexp_classRanges(state); + if (state.eat(0x5D /* ] */)) { + return true + } + // Unreachable since it threw "unterminated regular expression" error before. + state.raise("Unterminated character class"); + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassRanges + // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRanges + // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRangesNoDash + pp$1.regexp_classRanges = function(state) { + while (this.regexp_eatClassAtom(state)) { + var left = state.lastIntValue; + if (state.eat(0x2D /* - */) && this.regexp_eatClassAtom(state)) { + var right = state.lastIntValue; + if (state.switchU && (left === -1 || right === -1)) { + state.raise("Invalid character class"); + } + if (left !== -1 && right !== -1 && left > right) { + state.raise("Range out of order in character class"); + } + } + } + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtom + // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtomNoDash + pp$1.regexp_eatClassAtom = function(state) { + var start = state.pos; + + if (state.eat(0x5C /* \ */)) { + if (this.regexp_eatClassEscape(state)) { + return true + } + if (state.switchU) { + // Make the same message as V8. + var ch$1 = state.current(); + if (ch$1 === 0x63 /* c */ || isOctalDigit(ch$1)) { + state.raise("Invalid class escape"); + } + state.raise("Invalid escape"); + } + state.pos = start; + } + + var ch = state.current(); + if (ch !== 0x5D /* ] */) { + state.lastIntValue = ch; + state.advance(); + return true + } + + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassEscape + pp$1.regexp_eatClassEscape = function(state) { + var start = state.pos; + + if (state.eat(0x62 /* b */)) { + state.lastIntValue = 0x08; /* */ + return true + } + + if (state.switchU && state.eat(0x2D /* - */)) { + state.lastIntValue = 0x2D; /* - */ + return true + } + + if (!state.switchU && state.eat(0x63 /* c */)) { + if (this.regexp_eatClassControlLetter(state)) { + return true + } + state.pos = start; + } + + return ( + this.regexp_eatCharacterClassEscape(state) || + this.regexp_eatCharacterEscape(state) + ) + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassControlLetter + pp$1.regexp_eatClassControlLetter = function(state) { + var ch = state.current(); + if (isDecimalDigit(ch) || ch === 0x5F /* _ */) { + state.lastIntValue = ch % 0x20; + state.advance(); + return true + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence + pp$1.regexp_eatHexEscapeSequence = function(state) { + var start = state.pos; + if (state.eat(0x78 /* x */)) { + if (this.regexp_eatFixedHexDigits(state, 2)) { + return true + } + if (state.switchU) { + state.raise("Invalid escape"); + } + state.pos = start; + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalDigits + pp$1.regexp_eatDecimalDigits = function(state) { + var start = state.pos; + var ch = 0; + state.lastIntValue = 0; + while (isDecimalDigit(ch = state.current())) { + state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 /* 0 */); + state.advance(); + } + return state.pos !== start + }; + function isDecimalDigit(ch) { + return ch >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */ + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigits + pp$1.regexp_eatHexDigits = function(state) { + var start = state.pos; + var ch = 0; + state.lastIntValue = 0; + while (isHexDigit(ch = state.current())) { + state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch); + state.advance(); + } + return state.pos !== start + }; + function isHexDigit(ch) { + return ( + (ch >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */) || + (ch >= 0x41 /* A */ && ch <= 0x46 /* F */) || + (ch >= 0x61 /* a */ && ch <= 0x66 /* f */) + ) + } + function hexToInt(ch) { + if (ch >= 0x41 /* A */ && ch <= 0x46 /* F */) { + return 10 + (ch - 0x41 /* A */) + } + if (ch >= 0x61 /* a */ && ch <= 0x66 /* f */) { + return 10 + (ch - 0x61 /* a */) + } + return ch - 0x30 /* 0 */ + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-LegacyOctalEscapeSequence + // Allows only 0-377(octal) i.e. 0-255(decimal). + pp$1.regexp_eatLegacyOctalEscapeSequence = function(state) { + if (this.regexp_eatOctalDigit(state)) { + var n1 = state.lastIntValue; + if (this.regexp_eatOctalDigit(state)) { + var n2 = state.lastIntValue; + if (n1 <= 3 && this.regexp_eatOctalDigit(state)) { + state.lastIntValue = n1 * 64 + n2 * 8 + state.lastIntValue; + } else { + state.lastIntValue = n1 * 8 + n2; + } + } else { + state.lastIntValue = n1; + } + return true + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-OctalDigit + pp$1.regexp_eatOctalDigit = function(state) { + var ch = state.current(); + if (isOctalDigit(ch)) { + state.lastIntValue = ch - 0x30; /* 0 */ + state.advance(); + return true + } + state.lastIntValue = 0; + return false + }; + function isOctalDigit(ch) { + return ch >= 0x30 /* 0 */ && ch <= 0x37 /* 7 */ + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-Hex4Digits + // https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigit + // And HexDigit HexDigit in https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence + pp$1.regexp_eatFixedHexDigits = function(state, length) { + var start = state.pos; + state.lastIntValue = 0; + for (var i = 0; i < length; ++i) { + var ch = state.current(); + if (!isHexDigit(ch)) { + state.pos = start; + return false + } + state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch); + state.advance(); + } + return true + }; + + // Object type used to represent tokens. Note that normally, tokens + // simply exist as properties on the parser object. This is only + // used for the onToken callback and the external tokenizer. + + var Token = function Token(p) { + this.type = p.type; + this.value = p.value; + this.start = p.start; + this.end = p.end; + if (p.options.locations) + { this.loc = new SourceLocation(p, p.startLoc, p.endLoc); } + if (p.options.ranges) + { this.range = [p.start, p.end]; } + }; + + // ## Tokenizer + + var pp = Parser.prototype; + + // Move to the next token + + pp.next = function(ignoreEscapeSequenceInKeyword) { + if (!ignoreEscapeSequenceInKeyword && this.type.keyword && this.containsEsc) + { this.raiseRecoverable(this.start, "Escape sequence in keyword " + this.type.keyword); } + if (this.options.onToken) + { this.options.onToken(new Token(this)); } + + this.lastTokEnd = this.end; + this.lastTokStart = this.start; + this.lastTokEndLoc = this.endLoc; + this.lastTokStartLoc = this.startLoc; + this.nextToken(); + }; + + pp.getToken = function() { + this.next(); + return new Token(this) + }; + + // If we're in an ES6 environment, make parsers iterable + if (typeof Symbol !== "undefined") + { pp[Symbol.iterator] = function() { + var this$1$1 = this; + + return { + next: function () { + var token = this$1$1.getToken(); + return { + done: token.type === types$1.eof, + value: token + } + } + } + }; } + + // Toggle strict mode. Re-reads the next number or string to please + // pedantic tests (`"use strict"; 010;` should fail). + + // Read a single token, updating the parser object's token-related + // properties. + + pp.nextToken = function() { + var curContext = this.curContext(); + if (!curContext || !curContext.preserveSpace) { this.skipSpace(); } + + this.start = this.pos; + if (this.options.locations) { this.startLoc = this.curPosition(); } + if (this.pos >= this.input.length) { return this.finishToken(types$1.eof) } + + if (curContext.override) { return curContext.override(this) } + else { this.readToken(this.fullCharCodeAtPos()); } + }; + + pp.readToken = function(code) { + // Identifier or keyword. '\uXXXX' sequences are allowed in + // identifiers, so '\' also dispatches to that. + if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92 /* '\' */) + { return this.readWord() } + + return this.getTokenFromCode(code) + }; + + pp.fullCharCodeAtPos = function() { + var code = this.input.charCodeAt(this.pos); + if (code <= 0xd7ff || code >= 0xdc00) { return code } + var next = this.input.charCodeAt(this.pos + 1); + return next <= 0xdbff || next >= 0xe000 ? code : (code << 10) + next - 0x35fdc00 + }; + + pp.skipBlockComment = function() { + var startLoc = this.options.onComment && this.curPosition(); + var start = this.pos, end = this.input.indexOf("*/", this.pos += 2); + if (end === -1) { this.raise(this.pos - 2, "Unterminated comment"); } + this.pos = end + 2; + if (this.options.locations) { + for (var nextBreak = (void 0), pos = start; (nextBreak = nextLineBreak(this.input, pos, this.pos)) > -1;) { + ++this.curLine; + pos = this.lineStart = nextBreak; + } + } + if (this.options.onComment) + { this.options.onComment(true, this.input.slice(start + 2, end), start, this.pos, + startLoc, this.curPosition()); } + }; + + pp.skipLineComment = function(startSkip) { + var start = this.pos; + var startLoc = this.options.onComment && this.curPosition(); + var ch = this.input.charCodeAt(this.pos += startSkip); + while (this.pos < this.input.length && !isNewLine(ch)) { + ch = this.input.charCodeAt(++this.pos); + } + if (this.options.onComment) + { this.options.onComment(false, this.input.slice(start + startSkip, this.pos), start, this.pos, + startLoc, this.curPosition()); } + }; + + // Called at the start of the parse and after every token. Skips + // whitespace and comments, and. + + pp.skipSpace = function() { + loop: while (this.pos < this.input.length) { + var ch = this.input.charCodeAt(this.pos); + switch (ch) { + case 32: case 160: // ' ' + ++this.pos; + break + case 13: + if (this.input.charCodeAt(this.pos + 1) === 10) { + ++this.pos; + } + case 10: case 8232: case 8233: + ++this.pos; + if (this.options.locations) { + ++this.curLine; + this.lineStart = this.pos; + } + break + case 47: // '/' + switch (this.input.charCodeAt(this.pos + 1)) { + case 42: // '*' + this.skipBlockComment(); + break + case 47: + this.skipLineComment(2); + break + default: + break loop + } + break + default: + if (ch > 8 && ch < 14 || ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) { + ++this.pos; + } else { + break loop + } + } + } + }; + + // Called at the end of every token. Sets `end`, `val`, and + // maintains `context` and `exprAllowed`, and skips the space after + // the token, so that the next one's `start` will point at the + // right position. + + pp.finishToken = function(type, val) { + this.end = this.pos; + if (this.options.locations) { this.endLoc = this.curPosition(); } + var prevType = this.type; + this.type = type; + this.value = val; + + this.updateContext(prevType); + }; + + // ### Token reading + + // This is the function that is called to fetch the next token. It + // is somewhat obscure, because it works in character codes rather + // than characters, and because operator parsing has been inlined + // into it. + // + // All in the name of speed. + // + pp.readToken_dot = function() { + var next = this.input.charCodeAt(this.pos + 1); + if (next >= 48 && next <= 57) { return this.readNumber(true) } + var next2 = this.input.charCodeAt(this.pos + 2); + if (this.options.ecmaVersion >= 6 && next === 46 && next2 === 46) { // 46 = dot '.' + this.pos += 3; + return this.finishToken(types$1.ellipsis) + } else { + ++this.pos; + return this.finishToken(types$1.dot) + } + }; + + pp.readToken_slash = function() { // '/' + var next = this.input.charCodeAt(this.pos + 1); + if (this.exprAllowed) { ++this.pos; return this.readRegexp() } + if (next === 61) { return this.finishOp(types$1.assign, 2) } + return this.finishOp(types$1.slash, 1) + }; + + pp.readToken_mult_modulo_exp = function(code) { // '%*' + var next = this.input.charCodeAt(this.pos + 1); + var size = 1; + var tokentype = code === 42 ? types$1.star : types$1.modulo; + + // exponentiation operator ** and **= + if (this.options.ecmaVersion >= 7 && code === 42 && next === 42) { + ++size; + tokentype = types$1.starstar; + next = this.input.charCodeAt(this.pos + 2); + } + + if (next === 61) { return this.finishOp(types$1.assign, size + 1) } + return this.finishOp(tokentype, size) + }; + + pp.readToken_pipe_amp = function(code) { // '|&' + var next = this.input.charCodeAt(this.pos + 1); + if (next === code) { + if (this.options.ecmaVersion >= 12) { + var next2 = this.input.charCodeAt(this.pos + 2); + if (next2 === 61) { return this.finishOp(types$1.assign, 3) } + } + return this.finishOp(code === 124 ? types$1.logicalOR : types$1.logicalAND, 2) + } + if (next === 61) { return this.finishOp(types$1.assign, 2) } + return this.finishOp(code === 124 ? types$1.bitwiseOR : types$1.bitwiseAND, 1) + }; + + pp.readToken_caret = function() { // '^' + var next = this.input.charCodeAt(this.pos + 1); + if (next === 61) { return this.finishOp(types$1.assign, 2) } + return this.finishOp(types$1.bitwiseXOR, 1) + }; + + pp.readToken_plus_min = function(code) { // '+-' + var next = this.input.charCodeAt(this.pos + 1); + if (next === code) { + if (next === 45 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 62 && + (this.lastTokEnd === 0 || lineBreak.test(this.input.slice(this.lastTokEnd, this.pos)))) { + // A `-->` line comment + this.skipLineComment(3); + this.skipSpace(); + return this.nextToken() + } + return this.finishOp(types$1.incDec, 2) + } + if (next === 61) { return this.finishOp(types$1.assign, 2) } + return this.finishOp(types$1.plusMin, 1) + }; + + pp.readToken_lt_gt = function(code) { // '<>' + var next = this.input.charCodeAt(this.pos + 1); + var size = 1; + if (next === code) { + size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2; + if (this.input.charCodeAt(this.pos + size) === 61) { return this.finishOp(types$1.assign, size + 1) } + return this.finishOp(types$1.bitShift, size) + } + if (next === 33 && code === 60 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 45 && + this.input.charCodeAt(this.pos + 3) === 45) { + // ` (comment end) + if (c === 0x3E && cMinus1 === 0x2D && cMinus2 === 0x2D) { + break; + } + } + } else if ((c1 === 0x4D || c1 === 0x6D) && + (c2 === 0x45 || c2 === 0x65) && + (c3 === 0x54 || c3 === 0x74) && + (c4 === 0x41 || c4 === 0x61) && + (isSpaceCharacter(c5) || c5 === 0x2F)) { + // "meta" + space or / + i += 6; + const attributeList = new Set(); + let gotPragma = false; + let needPragma = null; + let charset = null; + + let attrRes; + do { + attrRes = getAttribute(uint8Array, i, l); + if (attrRes.attr && !attributeList.has(attrRes.attr.name)) { + attributeList.add(attrRes.attr.name); + if (attrRes.attr.name === "http-equiv") { + gotPragma = attrRes.attr.value === "content-type"; + } else if (attrRes.attr.name === "content" && !charset) { + charset = extractCharacterEncodingFromMeta(attrRes.attr.value); + if (charset !== null) { + needPragma = true; + } + } else if (attrRes.attr.name === "charset") { + charset = whatwgEncoding.labelToName(attrRes.attr.value); + needPragma = false; + } + } + i = attrRes.i; + } while (attrRes.attr); + + if (needPragma === null) { + continue; + } + if (needPragma === true && gotPragma === false) { + continue; + } + if (charset === null) { + continue; + } + + if (charset === "UTF-16LE" || charset === "UTF-16BE") { + charset = "UTF-8"; + } + if (charset === "x-user-defined") { + charset = "windows-1252"; + } + + return charset; + } else if ((c1 >= 0x41 && c1 <= 0x5A) || (c1 >= 0x61 && c1 <= 0x7A)) { + // a-z or A-Z + for (i += 2; i < l; i++) { + c = uint8Array[i]; + // space or > + if (isSpaceCharacter(c) || c === 0x3E) { + break; + } + } + let attrRes; + do { + attrRes = getAttribute(uint8Array, i, l); + i = attrRes.i; + } while (attrRes.attr); + } else if (c1 === 0x21 || c1 === 0x2F || c1 === 0x3F) { + // ! or / or ? + for (i += 2; i < l; i++) { + c = uint8Array[i]; + // > + if (c === 0x3E) { + break; + } + } + } + } + } + return null; +} + +// https://html.spec.whatwg.org/multipage/syntax.html#concept-get-attributes-when-sniffing +function getAttribute(uint8Array, i, l) { + for (; i < l; i++) { + let c = uint8Array[i]; + // space or / + if (isSpaceCharacter(c) || c === 0x2F) { + continue; + } + // ">" + if (c === 0x3E) { + break; + } + let name = ""; + let value = ""; + nameLoop:for (; i < l; i++) { + c = uint8Array[i]; + // "=" + if (c === 0x3D && name !== "") { + i++; + break; + } + // space + if (isSpaceCharacter(c)) { + for (i++; i < l; i++) { + c = uint8Array[i]; + // space + if (isSpaceCharacter(c)) { + continue; + } + // not "=" + if (c !== 0x3D) { + return { attr: { name, value }, i }; + } + + i++; + break nameLoop; + } + break; + } + // / or > + if (c === 0x2F || c === 0x3E) { + return { attr: { name, value }, i }; + } + // A-Z + if (c >= 0x41 && c <= 0x5A) { + name += String.fromCharCode(c + 0x20); // lowercase + } else { + name += String.fromCharCode(c); + } + } + c = uint8Array[i]; + // space + if (isSpaceCharacter(c)) { + for (i++; i < l; i++) { + c = uint8Array[i]; + // space + if (isSpaceCharacter(c)) { + continue; + } else { + break; + } + } + } + // " or ' + if (c === 0x22 || c === 0x27) { + const quote = c; + for (i++; i < l; i++) { + c = uint8Array[i]; + + if (c === quote) { + i++; + return { attr: { name, value }, i }; + } + + // A-Z + if (c >= 0x41 && c <= 0x5A) { + value += String.fromCharCode(c + 0x20); // lowercase + } else { + value += String.fromCharCode(c); + } + } + } + + // > + if (c === 0x3E) { + return { attr: { name, value }, i }; + } + + // A-Z + if (c >= 0x41 && c <= 0x5A) { + value += String.fromCharCode(c + 0x20); // lowercase + } else { + value += String.fromCharCode(c); + } + + for (i++; i < l; i++) { + c = uint8Array[i]; + + // space or > + if (isSpaceCharacter(c) || c === 0x3E) { + return { attr: { name, value }, i }; + } + + // A-Z + if (c >= 0x41 && c <= 0x5A) { + value += String.fromCharCode(c + 0x20); // lowercase + } else { + value += String.fromCharCode(c); + } + } + } + return { i }; +} + +function extractCharacterEncodingFromMeta(string) { + let position = 0; + + while (true) { + const indexOfCharset = string.substring(position).search(/charset/ui); + + if (indexOfCharset === -1) { + return null; + } + let subPosition = position + indexOfCharset + "charset".length; + + while (isSpaceCharacter(string[subPosition].charCodeAt(0))) { + ++subPosition; + } + + if (string[subPosition] !== "=") { + position = subPosition - 1; + continue; + } + + ++subPosition; + + while (isSpaceCharacter(string[subPosition].charCodeAt(0))) { + ++subPosition; + } + + position = subPosition; + break; + } + + if (string[position] === "\"" || string[position] === "'") { + const nextIndex = string.indexOf(string[position], position + 1); + + if (nextIndex !== -1) { + return whatwgEncoding.labelToName(string.substring(position + 1, nextIndex)); + } + + // It is an unmatched quotation mark + return null; + } + + if (string.length === position + 1) { + return null; + } + + const indexOfASCIIWhitespaceOrSemicolon = string.substring(position + 1).search(/\x09|\x0A|\x0C|\x0D|\x20|;/u); + const end = indexOfASCIIWhitespaceOrSemicolon === -1 ? + string.length : + position + indexOfASCIIWhitespaceOrSemicolon + 1; + + return whatwgEncoding.labelToName(string.substring(position, end)); +} + +function isSpaceCharacter(c) { + return c === 0x09 || c === 0x0A || c === 0x0C || c === 0x0D || c === 0x20; +} + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/dbcs-codec.js": +/*!*******************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/dbcs-codec.js ***! + \*******************************************************************************************/ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + +"use strict"; + +var Buffer = (__webpack_require__(/*! safer-buffer */ "./node_modules/safer-buffer/safer.js").Buffer); + +// Multibyte codec. In this scheme, a character is represented by 1 or more bytes. +// Our codec supports UTF-16 surrogates, extensions for GB18030 and unicode sequences. +// To save memory and loading time, we read table files only when requested. + +exports._dbcs = DBCSCodec; + +var UNASSIGNED = -1, + GB18030_CODE = -2, + SEQ_START = -10, + NODE_START = -1000, + UNASSIGNED_NODE = new Array(0x100), + DEF_CHAR = -1; + +for (var i = 0; i < 0x100; i++) + UNASSIGNED_NODE[i] = UNASSIGNED; + + +// Class DBCSCodec reads and initializes mapping tables. +function DBCSCodec(codecOptions, iconv) { + this.encodingName = codecOptions.encodingName; + if (!codecOptions) + throw new Error("DBCS codec is called without the data.") + if (!codecOptions.table) + throw new Error("Encoding '" + this.encodingName + "' has no data."); + + // Load tables. + var mappingTable = codecOptions.table(); + + + // Decode tables: MBCS -> Unicode. + + // decodeTables is a trie, encoded as an array of arrays of integers. Internal arrays are trie nodes and all have len = 256. + // Trie root is decodeTables[0]. + // Values: >= 0 -> unicode character code. can be > 0xFFFF + // == UNASSIGNED -> unknown/unassigned sequence. + // == GB18030_CODE -> this is the end of a GB18030 4-byte sequence. + // <= NODE_START -> index of the next node in our trie to process next byte. + // <= SEQ_START -> index of the start of a character code sequence, in decodeTableSeq. + this.decodeTables = []; + this.decodeTables[0] = UNASSIGNED_NODE.slice(0); // Create root node. + + // Sometimes a MBCS char corresponds to a sequence of unicode chars. We store them as arrays of integers here. + this.decodeTableSeq = []; + + // Actual mapping tables consist of chunks. Use them to fill up decode tables. + for (var i = 0; i < mappingTable.length; i++) + this._addDecodeChunk(mappingTable[i]); + + // Load & create GB18030 tables when needed. + if (typeof codecOptions.gb18030 === 'function') { + this.gb18030 = codecOptions.gb18030(); // Load GB18030 ranges. + + // Add GB18030 common decode nodes. + var commonThirdByteNodeIdx = this.decodeTables.length; + this.decodeTables.push(UNASSIGNED_NODE.slice(0)); + + var commonFourthByteNodeIdx = this.decodeTables.length; + this.decodeTables.push(UNASSIGNED_NODE.slice(0)); + + // Fill out the tree + var firstByteNode = this.decodeTables[0]; + for (var i = 0x81; i <= 0xFE; i++) { + var secondByteNode = this.decodeTables[NODE_START - firstByteNode[i]]; + for (var j = 0x30; j <= 0x39; j++) { + if (secondByteNode[j] === UNASSIGNED) { + secondByteNode[j] = NODE_START - commonThirdByteNodeIdx; + } else if (secondByteNode[j] > NODE_START) { + throw new Error("gb18030 decode tables conflict at byte 2"); + } + + var thirdByteNode = this.decodeTables[NODE_START - secondByteNode[j]]; + for (var k = 0x81; k <= 0xFE; k++) { + if (thirdByteNode[k] === UNASSIGNED) { + thirdByteNode[k] = NODE_START - commonFourthByteNodeIdx; + } else if (thirdByteNode[k] === NODE_START - commonFourthByteNodeIdx) { + continue; + } else if (thirdByteNode[k] > NODE_START) { + throw new Error("gb18030 decode tables conflict at byte 3"); + } + + var fourthByteNode = this.decodeTables[NODE_START - thirdByteNode[k]]; + for (var l = 0x30; l <= 0x39; l++) { + if (fourthByteNode[l] === UNASSIGNED) + fourthByteNode[l] = GB18030_CODE; + } + } + } + } + } + + this.defaultCharUnicode = iconv.defaultCharUnicode; + + + // Encode tables: Unicode -> DBCS. + + // `encodeTable` is array mapping from unicode char to encoded char. All its values are integers for performance. + // Because it can be sparse, it is represented as array of buckets by 256 chars each. Bucket can be null. + // Values: >= 0 -> it is a normal char. Write the value (if <=256 then 1 byte, if <=65536 then 2 bytes, etc.). + // == UNASSIGNED -> no conversion found. Output a default char. + // <= SEQ_START -> it's an index in encodeTableSeq, see below. The character starts a sequence. + this.encodeTable = []; + + // `encodeTableSeq` is used when a sequence of unicode characters is encoded as a single code. We use a tree of + // objects where keys correspond to characters in sequence and leafs are the encoded dbcs values. A special DEF_CHAR key + // means end of sequence (needed when one sequence is a strict subsequence of another). + // Objects are kept separately from encodeTable to increase performance. + this.encodeTableSeq = []; + + // Some chars can be decoded, but need not be encoded. + var skipEncodeChars = {}; + if (codecOptions.encodeSkipVals) + for (var i = 0; i < codecOptions.encodeSkipVals.length; i++) { + var val = codecOptions.encodeSkipVals[i]; + if (typeof val === 'number') + skipEncodeChars[val] = true; + else + for (var j = val.from; j <= val.to; j++) + skipEncodeChars[j] = true; + } + + // Use decode trie to recursively fill out encode tables. + this._fillEncodeTable(0, 0, skipEncodeChars); + + // Add more encoding pairs when needed. + if (codecOptions.encodeAdd) { + for (var uChar in codecOptions.encodeAdd) + if (Object.prototype.hasOwnProperty.call(codecOptions.encodeAdd, uChar)) + this._setEncodeChar(uChar.charCodeAt(0), codecOptions.encodeAdd[uChar]); + } + + this.defCharSB = this.encodeTable[0][iconv.defaultCharSingleByte.charCodeAt(0)]; + if (this.defCharSB === UNASSIGNED) this.defCharSB = this.encodeTable[0]['?']; + if (this.defCharSB === UNASSIGNED) this.defCharSB = "?".charCodeAt(0); +} + +DBCSCodec.prototype.encoder = DBCSEncoder; +DBCSCodec.prototype.decoder = DBCSDecoder; + +// Decoder helpers +DBCSCodec.prototype._getDecodeTrieNode = function(addr) { + var bytes = []; + for (; addr > 0; addr >>>= 8) + bytes.push(addr & 0xFF); + if (bytes.length == 0) + bytes.push(0); + + var node = this.decodeTables[0]; + for (var i = bytes.length-1; i > 0; i--) { // Traverse nodes deeper into the trie. + var val = node[bytes[i]]; + + if (val == UNASSIGNED) { // Create new node. + node[bytes[i]] = NODE_START - this.decodeTables.length; + this.decodeTables.push(node = UNASSIGNED_NODE.slice(0)); + } + else if (val <= NODE_START) { // Existing node. + node = this.decodeTables[NODE_START - val]; + } + else + throw new Error("Overwrite byte in " + this.encodingName + ", addr: " + addr.toString(16)); + } + return node; +} + + +DBCSCodec.prototype._addDecodeChunk = function(chunk) { + // First element of chunk is the hex mbcs code where we start. + var curAddr = parseInt(chunk[0], 16); + + // Choose the decoding node where we'll write our chars. + var writeTable = this._getDecodeTrieNode(curAddr); + curAddr = curAddr & 0xFF; + + // Write all other elements of the chunk to the table. + for (var k = 1; k < chunk.length; k++) { + var part = chunk[k]; + if (typeof part === "string") { // String, write as-is. + for (var l = 0; l < part.length;) { + var code = part.charCodeAt(l++); + if (0xD800 <= code && code < 0xDC00) { // Decode surrogate + var codeTrail = part.charCodeAt(l++); + if (0xDC00 <= codeTrail && codeTrail < 0xE000) + writeTable[curAddr++] = 0x10000 + (code - 0xD800) * 0x400 + (codeTrail - 0xDC00); + else + throw new Error("Incorrect surrogate pair in " + this.encodingName + " at chunk " + chunk[0]); + } + else if (0x0FF0 < code && code <= 0x0FFF) { // Character sequence (our own encoding used) + var len = 0xFFF - code + 2; + var seq = []; + for (var m = 0; m < len; m++) + seq.push(part.charCodeAt(l++)); // Simple variation: don't support surrogates or subsequences in seq. + + writeTable[curAddr++] = SEQ_START - this.decodeTableSeq.length; + this.decodeTableSeq.push(seq); + } + else + writeTable[curAddr++] = code; // Basic char + } + } + else if (typeof part === "number") { // Integer, meaning increasing sequence starting with prev character. + var charCode = writeTable[curAddr - 1] + 1; + for (var l = 0; l < part; l++) + writeTable[curAddr++] = charCode++; + } + else + throw new Error("Incorrect type '" + typeof part + "' given in " + this.encodingName + " at chunk " + chunk[0]); + } + if (curAddr > 0xFF) + throw new Error("Incorrect chunk in " + this.encodingName + " at addr " + chunk[0] + ": too long" + curAddr); +} + +// Encoder helpers +DBCSCodec.prototype._getEncodeBucket = function(uCode) { + var high = uCode >> 8; // This could be > 0xFF because of astral characters. + if (this.encodeTable[high] === undefined) + this.encodeTable[high] = UNASSIGNED_NODE.slice(0); // Create bucket on demand. + return this.encodeTable[high]; +} + +DBCSCodec.prototype._setEncodeChar = function(uCode, dbcsCode) { + var bucket = this._getEncodeBucket(uCode); + var low = uCode & 0xFF; + if (bucket[low] <= SEQ_START) + this.encodeTableSeq[SEQ_START-bucket[low]][DEF_CHAR] = dbcsCode; // There's already a sequence, set a single-char subsequence of it. + else if (bucket[low] == UNASSIGNED) + bucket[low] = dbcsCode; +} + +DBCSCodec.prototype._setEncodeSequence = function(seq, dbcsCode) { + + // Get the root of character tree according to first character of the sequence. + var uCode = seq[0]; + var bucket = this._getEncodeBucket(uCode); + var low = uCode & 0xFF; + + var node; + if (bucket[low] <= SEQ_START) { + // There's already a sequence with - use it. + node = this.encodeTableSeq[SEQ_START-bucket[low]]; + } + else { + // There was no sequence object - allocate a new one. + node = {}; + if (bucket[low] !== UNASSIGNED) node[DEF_CHAR] = bucket[low]; // If a char was set before - make it a single-char subsequence. + bucket[low] = SEQ_START - this.encodeTableSeq.length; + this.encodeTableSeq.push(node); + } + + // Traverse the character tree, allocating new nodes as needed. + for (var j = 1; j < seq.length-1; j++) { + var oldVal = node[uCode]; + if (typeof oldVal === 'object') + node = oldVal; + else { + node = node[uCode] = {} + if (oldVal !== undefined) + node[DEF_CHAR] = oldVal + } + } + + // Set the leaf to given dbcsCode. + uCode = seq[seq.length-1]; + node[uCode] = dbcsCode; +} + +DBCSCodec.prototype._fillEncodeTable = function(nodeIdx, prefix, skipEncodeChars) { + var node = this.decodeTables[nodeIdx]; + var hasValues = false; + var subNodeEmpty = {}; + for (var i = 0; i < 0x100; i++) { + var uCode = node[i]; + var mbCode = prefix + i; + if (skipEncodeChars[mbCode]) + continue; + + if (uCode >= 0) { + this._setEncodeChar(uCode, mbCode); + hasValues = true; + } else if (uCode <= NODE_START) { + var subNodeIdx = NODE_START - uCode; + if (!subNodeEmpty[subNodeIdx]) { // Skip empty subtrees (they are too large in gb18030). + var newPrefix = (mbCode << 8) >>> 0; // NOTE: '>>> 0' keeps 32-bit num positive. + if (this._fillEncodeTable(subNodeIdx, newPrefix, skipEncodeChars)) + hasValues = true; + else + subNodeEmpty[subNodeIdx] = true; + } + } else if (uCode <= SEQ_START) { + this._setEncodeSequence(this.decodeTableSeq[SEQ_START - uCode], mbCode); + hasValues = true; + } + } + return hasValues; +} + + + +// == Encoder ================================================================== + +function DBCSEncoder(options, codec) { + // Encoder state + this.leadSurrogate = -1; + this.seqObj = undefined; + + // Static data + this.encodeTable = codec.encodeTable; + this.encodeTableSeq = codec.encodeTableSeq; + this.defaultCharSingleByte = codec.defCharSB; + this.gb18030 = codec.gb18030; +} + +DBCSEncoder.prototype.write = function(str) { + var newBuf = Buffer.alloc(str.length * (this.gb18030 ? 4 : 3)), + leadSurrogate = this.leadSurrogate, + seqObj = this.seqObj, nextChar = -1, + i = 0, j = 0; + + while (true) { + // 0. Get next character. + if (nextChar === -1) { + if (i == str.length) break; + var uCode = str.charCodeAt(i++); + } + else { + var uCode = nextChar; + nextChar = -1; + } + + // 1. Handle surrogates. + if (0xD800 <= uCode && uCode < 0xE000) { // Char is one of surrogates. + if (uCode < 0xDC00) { // We've got lead surrogate. + if (leadSurrogate === -1) { + leadSurrogate = uCode; + continue; + } else { + leadSurrogate = uCode; + // Double lead surrogate found. + uCode = UNASSIGNED; + } + } else { // We've got trail surrogate. + if (leadSurrogate !== -1) { + uCode = 0x10000 + (leadSurrogate - 0xD800) * 0x400 + (uCode - 0xDC00); + leadSurrogate = -1; + } else { + // Incomplete surrogate pair - only trail surrogate found. + uCode = UNASSIGNED; + } + + } + } + else if (leadSurrogate !== -1) { + // Incomplete surrogate pair - only lead surrogate found. + nextChar = uCode; uCode = UNASSIGNED; // Write an error, then current char. + leadSurrogate = -1; + } + + // 2. Convert uCode character. + var dbcsCode = UNASSIGNED; + if (seqObj !== undefined && uCode != UNASSIGNED) { // We are in the middle of the sequence + var resCode = seqObj[uCode]; + if (typeof resCode === 'object') { // Sequence continues. + seqObj = resCode; + continue; + + } else if (typeof resCode == 'number') { // Sequence finished. Write it. + dbcsCode = resCode; + + } else if (resCode == undefined) { // Current character is not part of the sequence. + + // Try default character for this sequence + resCode = seqObj[DEF_CHAR]; + if (resCode !== undefined) { + dbcsCode = resCode; // Found. Write it. + nextChar = uCode; // Current character will be written too in the next iteration. + + } else { + // TODO: What if we have no default? (resCode == undefined) + // Then, we should write first char of the sequence as-is and try the rest recursively. + // Didn't do it for now because no encoding has this situation yet. + // Currently, just skip the sequence and write current char. + } + } + seqObj = undefined; + } + else if (uCode >= 0) { // Regular character + var subtable = this.encodeTable[uCode >> 8]; + if (subtable !== undefined) + dbcsCode = subtable[uCode & 0xFF]; + + if (dbcsCode <= SEQ_START) { // Sequence start + seqObj = this.encodeTableSeq[SEQ_START-dbcsCode]; + continue; + } + + if (dbcsCode == UNASSIGNED && this.gb18030) { + // Use GB18030 algorithm to find character(s) to write. + var idx = findIdx(this.gb18030.uChars, uCode); + if (idx != -1) { + var dbcsCode = this.gb18030.gbChars[idx] + (uCode - this.gb18030.uChars[idx]); + newBuf[j++] = 0x81 + Math.floor(dbcsCode / 12600); dbcsCode = dbcsCode % 12600; + newBuf[j++] = 0x30 + Math.floor(dbcsCode / 1260); dbcsCode = dbcsCode % 1260; + newBuf[j++] = 0x81 + Math.floor(dbcsCode / 10); dbcsCode = dbcsCode % 10; + newBuf[j++] = 0x30 + dbcsCode; + continue; + } + } + } + + // 3. Write dbcsCode character. + if (dbcsCode === UNASSIGNED) + dbcsCode = this.defaultCharSingleByte; + + if (dbcsCode < 0x100) { + newBuf[j++] = dbcsCode; + } + else if (dbcsCode < 0x10000) { + newBuf[j++] = dbcsCode >> 8; // high byte + newBuf[j++] = dbcsCode & 0xFF; // low byte + } + else if (dbcsCode < 0x1000000) { + newBuf[j++] = dbcsCode >> 16; + newBuf[j++] = (dbcsCode >> 8) & 0xFF; + newBuf[j++] = dbcsCode & 0xFF; + } else { + newBuf[j++] = dbcsCode >>> 24; + newBuf[j++] = (dbcsCode >>> 16) & 0xFF; + newBuf[j++] = (dbcsCode >>> 8) & 0xFF; + newBuf[j++] = dbcsCode & 0xFF; + } + } + + this.seqObj = seqObj; + this.leadSurrogate = leadSurrogate; + return newBuf.slice(0, j); +} + +DBCSEncoder.prototype.end = function() { + if (this.leadSurrogate === -1 && this.seqObj === undefined) + return; // All clean. Most often case. + + var newBuf = Buffer.alloc(10), j = 0; + + if (this.seqObj) { // We're in the sequence. + var dbcsCode = this.seqObj[DEF_CHAR]; + if (dbcsCode !== undefined) { // Write beginning of the sequence. + if (dbcsCode < 0x100) { + newBuf[j++] = dbcsCode; + } + else { + newBuf[j++] = dbcsCode >> 8; // high byte + newBuf[j++] = dbcsCode & 0xFF; // low byte + } + } else { + // See todo above. + } + this.seqObj = undefined; + } + + if (this.leadSurrogate !== -1) { + // Incomplete surrogate pair - only lead surrogate found. + newBuf[j++] = this.defaultCharSingleByte; + this.leadSurrogate = -1; + } + + return newBuf.slice(0, j); +} + +// Export for testing +DBCSEncoder.prototype.findIdx = findIdx; + + +// == Decoder ================================================================== + +function DBCSDecoder(options, codec) { + // Decoder state + this.nodeIdx = 0; + this.prevBytes = []; + + // Static data + this.decodeTables = codec.decodeTables; + this.decodeTableSeq = codec.decodeTableSeq; + this.defaultCharUnicode = codec.defaultCharUnicode; + this.gb18030 = codec.gb18030; +} + +DBCSDecoder.prototype.write = function(buf) { + var newBuf = Buffer.alloc(buf.length*2), + nodeIdx = this.nodeIdx, + prevBytes = this.prevBytes, prevOffset = this.prevBytes.length, + seqStart = -this.prevBytes.length, // idx of the start of current parsed sequence. + uCode; + + for (var i = 0, j = 0; i < buf.length; i++) { + var curByte = (i >= 0) ? buf[i] : prevBytes[i + prevOffset]; + + // Lookup in current trie node. + var uCode = this.decodeTables[nodeIdx][curByte]; + + if (uCode >= 0) { + // Normal character, just use it. + } + else if (uCode === UNASSIGNED) { // Unknown char. + // TODO: Callback with seq. + uCode = this.defaultCharUnicode.charCodeAt(0); + i = seqStart; // Skip one byte ('i' will be incremented by the for loop) and try to parse again. + } + else if (uCode === GB18030_CODE) { + if (i >= 3) { + var ptr = (buf[i-3]-0x81)*12600 + (buf[i-2]-0x30)*1260 + (buf[i-1]-0x81)*10 + (curByte-0x30); + } else { + var ptr = (prevBytes[i-3+prevOffset]-0x81)*12600 + + (((i-2 >= 0) ? buf[i-2] : prevBytes[i-2+prevOffset])-0x30)*1260 + + (((i-1 >= 0) ? buf[i-1] : prevBytes[i-1+prevOffset])-0x81)*10 + + (curByte-0x30); + } + var idx = findIdx(this.gb18030.gbChars, ptr); + uCode = this.gb18030.uChars[idx] + ptr - this.gb18030.gbChars[idx]; + } + else if (uCode <= NODE_START) { // Go to next trie node. + nodeIdx = NODE_START - uCode; + continue; + } + else if (uCode <= SEQ_START) { // Output a sequence of chars. + var seq = this.decodeTableSeq[SEQ_START - uCode]; + for (var k = 0; k < seq.length - 1; k++) { + uCode = seq[k]; + newBuf[j++] = uCode & 0xFF; + newBuf[j++] = uCode >> 8; + } + uCode = seq[seq.length-1]; + } + else + throw new Error("iconv-lite internal error: invalid decoding table value " + uCode + " at " + nodeIdx + "/" + curByte); + + // Write the character to buffer, handling higher planes using surrogate pair. + if (uCode >= 0x10000) { + uCode -= 0x10000; + var uCodeLead = 0xD800 | (uCode >> 10); + newBuf[j++] = uCodeLead & 0xFF; + newBuf[j++] = uCodeLead >> 8; + + uCode = 0xDC00 | (uCode & 0x3FF); + } + newBuf[j++] = uCode & 0xFF; + newBuf[j++] = uCode >> 8; + + // Reset trie node. + nodeIdx = 0; seqStart = i+1; + } + + this.nodeIdx = nodeIdx; + this.prevBytes = (seqStart >= 0) + ? Array.prototype.slice.call(buf, seqStart) + : prevBytes.slice(seqStart + prevOffset).concat(Array.prototype.slice.call(buf)); + + return newBuf.slice(0, j).toString('ucs2'); +} + +DBCSDecoder.prototype.end = function() { + var ret = ''; + + // Try to parse all remaining chars. + while (this.prevBytes.length > 0) { + // Skip 1 character in the buffer. + ret += this.defaultCharUnicode; + var bytesArr = this.prevBytes.slice(1); + + // Parse remaining as usual. + this.prevBytes = []; + this.nodeIdx = 0; + if (bytesArr.length > 0) + ret += this.write(bytesArr); + } + + this.prevBytes = []; + this.nodeIdx = 0; + return ret; +} + +// Binary search for GB18030. Returns largest i such that table[i] <= val. +function findIdx(table, val) { + if (table[0] > val) + return -1; + + var l = 0, r = table.length; + while (l < r-1) { // always table[l] <= val < table[r] + var mid = l + ((r-l+1) >> 1); + if (table[mid] <= val) + l = mid; + else + r = mid; + } + return l; +} + + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/dbcs-data.js": +/*!******************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/dbcs-data.js ***! + \******************************************************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +// Description of supported double byte encodings and aliases. +// Tables are not require()-d until they are needed to speed up library load. +// require()-s are direct to support Browserify. + +module.exports = { + + // == Japanese/ShiftJIS ==================================================== + // All japanese encodings are based on JIS X set of standards: + // JIS X 0201 - Single-byte encoding of ASCII + ¥ + Kana chars at 0xA1-0xDF. + // JIS X 0208 - Main set of 6879 characters, placed in 94x94 plane, to be encoded by 2 bytes. + // Has several variations in 1978, 1983, 1990 and 1997. + // JIS X 0212 - Supplementary plane of 6067 chars in 94x94 plane. 1990. Effectively dead. + // JIS X 0213 - Extension and modern replacement of 0208 and 0212. Total chars: 11233. + // 2 planes, first is superset of 0208, second - revised 0212. + // Introduced in 2000, revised 2004. Some characters are in Unicode Plane 2 (0x2xxxx) + + // Byte encodings are: + // * Shift_JIS: Compatible with 0201, uses not defined chars in top half as lead bytes for double-byte + // encoding of 0208. Lead byte ranges: 0x81-0x9F, 0xE0-0xEF; Trail byte ranges: 0x40-0x7E, 0x80-0x9E, 0x9F-0xFC. + // Windows CP932 is a superset of Shift_JIS. Some companies added more chars, notably KDDI. + // * EUC-JP: Up to 3 bytes per character. Used mostly on *nixes. + // 0x00-0x7F - lower part of 0201 + // 0x8E, 0xA1-0xDF - upper part of 0201 + // (0xA1-0xFE)x2 - 0208 plane (94x94). + // 0x8F, (0xA1-0xFE)x2 - 0212 plane (94x94). + // * JIS X 208: 7-bit, direct encoding of 0208. Byte ranges: 0x21-0x7E (94 values). Uncommon. + // Used as-is in ISO2022 family. + // * ISO2022-JP: Stateful encoding, with escape sequences to switch between ASCII, + // 0201-1976 Roman, 0208-1978, 0208-1983. + // * ISO2022-JP-1: Adds esc seq for 0212-1990. + // * ISO2022-JP-2: Adds esc seq for GB2313-1980, KSX1001-1992, ISO8859-1, ISO8859-7. + // * ISO2022-JP-3: Adds esc seq for 0201-1976 Kana set, 0213-2000 Planes 1, 2. + // * ISO2022-JP-2004: Adds 0213-2004 Plane 1. + // + // After JIS X 0213 appeared, Shift_JIS-2004, EUC-JISX0213 and ISO2022-JP-2004 followed, with just changing the planes. + // + // Overall, it seems that it's a mess :( http://www8.plala.or.jp/tkubota1/unicode-symbols-map2.html + + 'shiftjis': { + type: '_dbcs', + table: function() { return __webpack_require__(/*! ./tables/shiftjis.json */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/tables/shiftjis.json") }, + encodeAdd: {'\u00a5': 0x5C, '\u203E': 0x7E}, + encodeSkipVals: [{from: 0xED40, to: 0xF940}], + }, + 'csshiftjis': 'shiftjis', + 'mskanji': 'shiftjis', + 'sjis': 'shiftjis', + 'windows31j': 'shiftjis', + 'ms31j': 'shiftjis', + 'xsjis': 'shiftjis', + 'windows932': 'shiftjis', + 'ms932': 'shiftjis', + '932': 'shiftjis', + 'cp932': 'shiftjis', + + 'eucjp': { + type: '_dbcs', + table: function() { return __webpack_require__(/*! ./tables/eucjp.json */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/tables/eucjp.json") }, + encodeAdd: {'\u00a5': 0x5C, '\u203E': 0x7E}, + }, + + // TODO: KDDI extension to Shift_JIS + // TODO: IBM CCSID 942 = CP932, but F0-F9 custom chars and other char changes. + // TODO: IBM CCSID 943 = Shift_JIS = CP932 with original Shift_JIS lower 128 chars. + + + // == Chinese/GBK ========================================================== + // http://en.wikipedia.org/wiki/GBK + // We mostly implement W3C recommendation: https://www.w3.org/TR/encoding/#gbk-encoder + + // Oldest GB2312 (1981, ~7600 chars) is a subset of CP936 + 'gb2312': 'cp936', + 'gb231280': 'cp936', + 'gb23121980': 'cp936', + 'csgb2312': 'cp936', + 'csiso58gb231280': 'cp936', + 'euccn': 'cp936', + + // Microsoft's CP936 is a subset and approximation of GBK. + 'windows936': 'cp936', + 'ms936': 'cp936', + '936': 'cp936', + 'cp936': { + type: '_dbcs', + table: function() { return __webpack_require__(/*! ./tables/cp936.json */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/tables/cp936.json") }, + }, + + // GBK (~22000 chars) is an extension of CP936 that added user-mapped chars and some other. + 'gbk': { + type: '_dbcs', + table: function() { return (__webpack_require__(/*! ./tables/cp936.json */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/tables/cp936.json").concat)(__webpack_require__(/*! ./tables/gbk-added.json */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/tables/gbk-added.json")) }, + }, + 'xgbk': 'gbk', + 'isoir58': 'gbk', + + // GB18030 is an algorithmic extension of GBK. + // Main source: https://www.w3.org/TR/encoding/#gbk-encoder + // http://icu-project.org/docs/papers/gb18030.html + // http://source.icu-project.org/repos/icu/data/trunk/charset/data/xml/gb-18030-2000.xml + // http://www.khngai.com/chinese/charmap/tblgbk.php?page=0 + 'gb18030': { + type: '_dbcs', + table: function() { return (__webpack_require__(/*! ./tables/cp936.json */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/tables/cp936.json").concat)(__webpack_require__(/*! ./tables/gbk-added.json */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/tables/gbk-added.json")) }, + gb18030: function() { return __webpack_require__(/*! ./tables/gb18030-ranges.json */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/tables/gb18030-ranges.json") }, + encodeSkipVals: [0x80], + encodeAdd: {'€': 0xA2E3}, + }, + + 'chinese': 'gb18030', + + + // == Korean =============================================================== + // EUC-KR, KS_C_5601 and KS X 1001 are exactly the same. + 'windows949': 'cp949', + 'ms949': 'cp949', + '949': 'cp949', + 'cp949': { + type: '_dbcs', + table: function() { return __webpack_require__(/*! ./tables/cp949.json */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/tables/cp949.json") }, + }, + + 'cseuckr': 'cp949', + 'csksc56011987': 'cp949', + 'euckr': 'cp949', + 'isoir149': 'cp949', + 'korean': 'cp949', + 'ksc56011987': 'cp949', + 'ksc56011989': 'cp949', + 'ksc5601': 'cp949', + + + // == Big5/Taiwan/Hong Kong ================================================ + // There are lots of tables for Big5 and cp950. Please see the following links for history: + // http://moztw.org/docs/big5/ http://www.haible.de/bruno/charsets/conversion-tables/Big5.html + // Variations, in roughly number of defined chars: + // * Windows CP 950: Microsoft variant of Big5. Canonical: http://www.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/WINDOWS/CP950.TXT + // * Windows CP 951: Microsoft variant of Big5-HKSCS-2001. Seems to be never public. http://me.abelcheung.org/articles/research/what-is-cp951/ + // * Big5-2003 (Taiwan standard) almost superset of cp950. + // * Unicode-at-on (UAO) / Mozilla 1.8. Falling out of use on the Web. Not supported by other browsers. + // * Big5-HKSCS (-2001, -2004, -2008). Hong Kong standard. + // many unicode code points moved from PUA to Supplementary plane (U+2XXXX) over the years. + // Plus, it has 4 combining sequences. + // Seems that Mozilla refused to support it for 10 yrs. https://bugzilla.mozilla.org/show_bug.cgi?id=162431 https://bugzilla.mozilla.org/show_bug.cgi?id=310299 + // because big5-hkscs is the only encoding to include astral characters in non-algorithmic way. + // Implementations are not consistent within browsers; sometimes labeled as just big5. + // MS Internet Explorer switches from big5 to big5-hkscs when a patch applied. + // Great discussion & recap of what's going on https://bugzilla.mozilla.org/show_bug.cgi?id=912470#c31 + // In the encoder, it might make sense to support encoding old PUA mappings to Big5 bytes seq-s. + // Official spec: http://www.ogcio.gov.hk/en/business/tech_promotion/ccli/terms/doc/2003cmp_2008.txt + // http://www.ogcio.gov.hk/tc/business/tech_promotion/ccli/terms/doc/hkscs-2008-big5-iso.txt + // + // Current understanding of how to deal with Big5(-HKSCS) is in the Encoding Standard, http://encoding.spec.whatwg.org/#big5-encoder + // Unicode mapping (http://www.unicode.org/Public/MAPPINGS/OBSOLETE/EASTASIA/OTHER/BIG5.TXT) is said to be wrong. + + 'windows950': 'cp950', + 'ms950': 'cp950', + '950': 'cp950', + 'cp950': { + type: '_dbcs', + table: function() { return __webpack_require__(/*! ./tables/cp950.json */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/tables/cp950.json") }, + }, + + // Big5 has many variations and is an extension of cp950. We use Encoding Standard's as a consensus. + 'big5': 'big5hkscs', + 'big5hkscs': { + type: '_dbcs', + table: function() { return (__webpack_require__(/*! ./tables/cp950.json */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/tables/cp950.json").concat)(__webpack_require__(/*! ./tables/big5-added.json */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/tables/big5-added.json")) }, + encodeSkipVals: [ + // Although Encoding Standard says we should avoid encoding to HKSCS area (See Step 1 of + // https://encoding.spec.whatwg.org/#index-big5-pointer), we still do it to increase compatibility with ICU. + // But if a single unicode point can be encoded both as HKSCS and regular Big5, we prefer the latter. + 0x8e69, 0x8e6f, 0x8e7e, 0x8eab, 0x8eb4, 0x8ecd, 0x8ed0, 0x8f57, 0x8f69, 0x8f6e, 0x8fcb, 0x8ffe, + 0x906d, 0x907a, 0x90c4, 0x90dc, 0x90f1, 0x91bf, 0x92af, 0x92b0, 0x92b1, 0x92b2, 0x92d1, 0x9447, 0x94ca, + 0x95d9, 0x96fc, 0x9975, 0x9b76, 0x9b78, 0x9b7b, 0x9bc6, 0x9bde, 0x9bec, 0x9bf6, 0x9c42, 0x9c53, 0x9c62, + 0x9c68, 0x9c6b, 0x9c77, 0x9cbc, 0x9cbd, 0x9cd0, 0x9d57, 0x9d5a, 0x9dc4, 0x9def, 0x9dfb, 0x9ea9, 0x9eef, + 0x9efd, 0x9f60, 0x9fcb, 0xa077, 0xa0dc, 0xa0df, 0x8fcc, 0x92c8, 0x9644, 0x96ed, + + // Step 2 of https://encoding.spec.whatwg.org/#index-big5-pointer: Use last pointer for U+2550, U+255E, U+2561, U+256A, U+5341, or U+5345 + 0xa2a4, 0xa2a5, 0xa2a7, 0xa2a6, 0xa2cc, 0xa2ce, + ], + }, + + 'cnbig5': 'big5hkscs', + 'csbig5': 'big5hkscs', + 'xxbig5': 'big5hkscs', +}; + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/index.js": +/*!**************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/index.js ***! + \**************************************************************************************/ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + +"use strict"; + + +// Update this array if you add/rename/remove files in this directory. +// We support Browserify by skipping automatic module discovery and requiring modules directly. +var modules = [ + __webpack_require__(/*! ./internal */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/internal.js"), + __webpack_require__(/*! ./utf32 */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/utf32.js"), + __webpack_require__(/*! ./utf16 */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/utf16.js"), + __webpack_require__(/*! ./utf7 */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/utf7.js"), + __webpack_require__(/*! ./sbcs-codec */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/sbcs-codec.js"), + __webpack_require__(/*! ./sbcs-data */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/sbcs-data.js"), + __webpack_require__(/*! ./sbcs-data-generated */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/sbcs-data-generated.js"), + __webpack_require__(/*! ./dbcs-codec */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/dbcs-codec.js"), + __webpack_require__(/*! ./dbcs-data */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/dbcs-data.js"), +]; + +// Put all encoding/alias/codec definitions to single object and export it. +for (var i = 0; i < modules.length; i++) { + var module = modules[i]; + for (var enc in module) + if (Object.prototype.hasOwnProperty.call(module, enc)) + exports[enc] = module[enc]; +} + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/internal.js": +/*!*****************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/internal.js ***! + \*****************************************************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + +var Buffer = (__webpack_require__(/*! safer-buffer */ "./node_modules/safer-buffer/safer.js").Buffer); + +// Export Node.js internal encodings. + +module.exports = { + // Encodings + utf8: { type: "_internal", bomAware: true}, + cesu8: { type: "_internal", bomAware: true}, + unicode11utf8: "utf8", + + ucs2: { type: "_internal", bomAware: true}, + utf16le: "ucs2", + + binary: { type: "_internal" }, + base64: { type: "_internal" }, + hex: { type: "_internal" }, + + // Codec. + _internal: InternalCodec, +}; + +//------------------------------------------------------------------------------ + +function InternalCodec(codecOptions, iconv) { + this.enc = codecOptions.encodingName; + this.bomAware = codecOptions.bomAware; + + if (this.enc === "base64") + this.encoder = InternalEncoderBase64; + else if (this.enc === "cesu8") { + this.enc = "utf8"; // Use utf8 for decoding. + this.encoder = InternalEncoderCesu8; + + // Add decoder for versions of Node not supporting CESU-8 + if (Buffer.from('eda0bdedb2a9', 'hex').toString() !== '💩') { + this.decoder = InternalDecoderCesu8; + this.defaultCharUnicode = iconv.defaultCharUnicode; + } + } +} + +InternalCodec.prototype.encoder = InternalEncoder; +InternalCodec.prototype.decoder = InternalDecoder; + +//------------------------------------------------------------------------------ + +// We use node.js internal decoder. Its signature is the same as ours. +var StringDecoder = (__webpack_require__(/*! string_decoder */ "./node_modules/string_decoder/lib/string_decoder.js").StringDecoder); + +if (!StringDecoder.prototype.end) // Node v0.8 doesn't have this method. + StringDecoder.prototype.end = function() {}; + + +function InternalDecoder(options, codec) { + this.decoder = new StringDecoder(codec.enc); +} + +InternalDecoder.prototype.write = function(buf) { + if (!Buffer.isBuffer(buf)) { + buf = Buffer.from(buf); + } + + return this.decoder.write(buf); +} + +InternalDecoder.prototype.end = function() { + return this.decoder.end(); +} + + +//------------------------------------------------------------------------------ +// Encoder is mostly trivial + +function InternalEncoder(options, codec) { + this.enc = codec.enc; +} + +InternalEncoder.prototype.write = function(str) { + return Buffer.from(str, this.enc); +} + +InternalEncoder.prototype.end = function() { +} + + +//------------------------------------------------------------------------------ +// Except base64 encoder, which must keep its state. + +function InternalEncoderBase64(options, codec) { + this.prevStr = ''; +} + +InternalEncoderBase64.prototype.write = function(str) { + str = this.prevStr + str; + var completeQuads = str.length - (str.length % 4); + this.prevStr = str.slice(completeQuads); + str = str.slice(0, completeQuads); + + return Buffer.from(str, "base64"); +} + +InternalEncoderBase64.prototype.end = function() { + return Buffer.from(this.prevStr, "base64"); +} + + +//------------------------------------------------------------------------------ +// CESU-8 encoder is also special. + +function InternalEncoderCesu8(options, codec) { +} + +InternalEncoderCesu8.prototype.write = function(str) { + var buf = Buffer.alloc(str.length * 3), bufIdx = 0; + for (var i = 0; i < str.length; i++) { + var charCode = str.charCodeAt(i); + // Naive implementation, but it works because CESU-8 is especially easy + // to convert from UTF-16 (which all JS strings are encoded in). + if (charCode < 0x80) + buf[bufIdx++] = charCode; + else if (charCode < 0x800) { + buf[bufIdx++] = 0xC0 + (charCode >>> 6); + buf[bufIdx++] = 0x80 + (charCode & 0x3f); + } + else { // charCode will always be < 0x10000 in javascript. + buf[bufIdx++] = 0xE0 + (charCode >>> 12); + buf[bufIdx++] = 0x80 + ((charCode >>> 6) & 0x3f); + buf[bufIdx++] = 0x80 + (charCode & 0x3f); + } + } + return buf.slice(0, bufIdx); +} + +InternalEncoderCesu8.prototype.end = function() { +} + +//------------------------------------------------------------------------------ +// CESU-8 decoder is not implemented in Node v4.0+ + +function InternalDecoderCesu8(options, codec) { + this.acc = 0; + this.contBytes = 0; + this.accBytes = 0; + this.defaultCharUnicode = codec.defaultCharUnicode; +} + +InternalDecoderCesu8.prototype.write = function(buf) { + var acc = this.acc, contBytes = this.contBytes, accBytes = this.accBytes, + res = ''; + for (var i = 0; i < buf.length; i++) { + var curByte = buf[i]; + if ((curByte & 0xC0) !== 0x80) { // Leading byte + if (contBytes > 0) { // Previous code is invalid + res += this.defaultCharUnicode; + contBytes = 0; + } + + if (curByte < 0x80) { // Single-byte code + res += String.fromCharCode(curByte); + } else if (curByte < 0xE0) { // Two-byte code + acc = curByte & 0x1F; + contBytes = 1; accBytes = 1; + } else if (curByte < 0xF0) { // Three-byte code + acc = curByte & 0x0F; + contBytes = 2; accBytes = 1; + } else { // Four or more are not supported for CESU-8. + res += this.defaultCharUnicode; + } + } else { // Continuation byte + if (contBytes > 0) { // We're waiting for it. + acc = (acc << 6) | (curByte & 0x3f); + contBytes--; accBytes++; + if (contBytes === 0) { + // Check for overlong encoding, but support Modified UTF-8 (encoding NULL as C0 80) + if (accBytes === 2 && acc < 0x80 && acc > 0) + res += this.defaultCharUnicode; + else if (accBytes === 3 && acc < 0x800) + res += this.defaultCharUnicode; + else + // Actually add character. + res += String.fromCharCode(acc); + } + } else { // Unexpected continuation byte + res += this.defaultCharUnicode; + } + } + } + this.acc = acc; this.contBytes = contBytes; this.accBytes = accBytes; + return res; +} + +InternalDecoderCesu8.prototype.end = function() { + var res = 0; + if (this.contBytes > 0) + res += this.defaultCharUnicode; + return res; +} + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/sbcs-codec.js": +/*!*******************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/sbcs-codec.js ***! + \*******************************************************************************************/ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + +"use strict"; + +var Buffer = (__webpack_require__(/*! safer-buffer */ "./node_modules/safer-buffer/safer.js").Buffer); + +// Single-byte codec. Needs a 'chars' string parameter that contains 256 or 128 chars that +// correspond to encoded bytes (if 128 - then lower half is ASCII). + +exports._sbcs = SBCSCodec; +function SBCSCodec(codecOptions, iconv) { + if (!codecOptions) + throw new Error("SBCS codec is called without the data.") + + // Prepare char buffer for decoding. + if (!codecOptions.chars || (codecOptions.chars.length !== 128 && codecOptions.chars.length !== 256)) + throw new Error("Encoding '"+codecOptions.type+"' has incorrect 'chars' (must be of len 128 or 256)"); + + if (codecOptions.chars.length === 128) { + var asciiString = ""; + for (var i = 0; i < 128; i++) + asciiString += String.fromCharCode(i); + codecOptions.chars = asciiString + codecOptions.chars; + } + + this.decodeBuf = Buffer.from(codecOptions.chars, 'ucs2'); + + // Encoding buffer. + var encodeBuf = Buffer.alloc(65536, iconv.defaultCharSingleByte.charCodeAt(0)); + + for (var i = 0; i < codecOptions.chars.length; i++) + encodeBuf[codecOptions.chars.charCodeAt(i)] = i; + + this.encodeBuf = encodeBuf; +} + +SBCSCodec.prototype.encoder = SBCSEncoder; +SBCSCodec.prototype.decoder = SBCSDecoder; + + +function SBCSEncoder(options, codec) { + this.encodeBuf = codec.encodeBuf; +} + +SBCSEncoder.prototype.write = function(str) { + var buf = Buffer.alloc(str.length); + for (var i = 0; i < str.length; i++) + buf[i] = this.encodeBuf[str.charCodeAt(i)]; + + return buf; +} + +SBCSEncoder.prototype.end = function() { +} + + +function SBCSDecoder(options, codec) { + this.decodeBuf = codec.decodeBuf; +} + +SBCSDecoder.prototype.write = function(buf) { + // Strings are immutable in JS -> we use ucs2 buffer to speed up computations. + var decodeBuf = this.decodeBuf; + var newBuf = Buffer.alloc(buf.length*2); + var idx1 = 0, idx2 = 0; + for (var i = 0; i < buf.length; i++) { + idx1 = buf[i]*2; idx2 = i*2; + newBuf[idx2] = decodeBuf[idx1]; + newBuf[idx2+1] = decodeBuf[idx1+1]; + } + return newBuf.toString('ucs2'); +} + +SBCSDecoder.prototype.end = function() { +} + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/sbcs-data-generated.js": +/*!****************************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/sbcs-data-generated.js ***! + \****************************************************************************************************/ +/***/ ((module) => { + +"use strict"; + + +// Generated data for sbcs codec. Don't edit manually. Regenerate using generation/gen-sbcs.js script. +module.exports = { + "437": "cp437", + "737": "cp737", + "775": "cp775", + "850": "cp850", + "852": "cp852", + "855": "cp855", + "856": "cp856", + "857": "cp857", + "858": "cp858", + "860": "cp860", + "861": "cp861", + "862": "cp862", + "863": "cp863", + "864": "cp864", + "865": "cp865", + "866": "cp866", + "869": "cp869", + "874": "windows874", + "922": "cp922", + "1046": "cp1046", + "1124": "cp1124", + "1125": "cp1125", + "1129": "cp1129", + "1133": "cp1133", + "1161": "cp1161", + "1162": "cp1162", + "1163": "cp1163", + "1250": "windows1250", + "1251": "windows1251", + "1252": "windows1252", + "1253": "windows1253", + "1254": "windows1254", + "1255": "windows1255", + "1256": "windows1256", + "1257": "windows1257", + "1258": "windows1258", + "28591": "iso88591", + "28592": "iso88592", + "28593": "iso88593", + "28594": "iso88594", + "28595": "iso88595", + "28596": "iso88596", + "28597": "iso88597", + "28598": "iso88598", + "28599": "iso88599", + "28600": "iso885910", + "28601": "iso885911", + "28603": "iso885913", + "28604": "iso885914", + "28605": "iso885915", + "28606": "iso885916", + "windows874": { + "type": "_sbcs", + "chars": "€����…�����������‘’“”•–—�������� กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู����฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛����" + }, + "win874": "windows874", + "cp874": "windows874", + "windows1250": { + "type": "_sbcs", + "chars": "€�‚�„…†‡�‰Š‹ŚŤŽŹ�‘’“”•–—�™š›śťžź ˇ˘Ł¤Ą¦§¨©Ş«¬­®Ż°±˛ł´µ¶·¸ąş»Ľ˝ľżŔÁÂĂÄĹĆÇČÉĘËĚÍÎĎĐŃŇÓÔŐÖ×ŘŮÚŰÜÝŢßŕáâăäĺćçčéęëěíîďđńňóôőö÷řůúűüýţ˙" + }, + "win1250": "windows1250", + "cp1250": "windows1250", + "windows1251": { + "type": "_sbcs", + "chars": "ЂЃ‚ѓ„…†‡€‰Љ‹ЊЌЋЏђ‘’“”•–—�™љ›њќћџ ЎўЈ¤Ґ¦§Ё©Є«¬­®Ї°±Ііґµ¶·ё№є»јЅѕїАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя" + }, + "win1251": "windows1251", + "cp1251": "windows1251", + "windows1252": { + "type": "_sbcs", + "chars": "€�‚ƒ„…†‡ˆ‰Š‹Œ�Ž��‘’“”•–—˜™š›œ�žŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ" + }, + "win1252": "windows1252", + "cp1252": "windows1252", + "windows1253": { + "type": "_sbcs", + "chars": "€�‚ƒ„…†‡�‰�‹�����‘’“”•–—�™�›���� ΅Ά£¤¥¦§¨©�«¬­®―°±²³΄µ¶·ΈΉΊ»Ό½ΎΏΐΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡ�ΣΤΥΦΧΨΩΪΫάέήίΰαβγδεζηθικλμνξοπρςστυφχψωϊϋόύώ�" + }, + "win1253": "windows1253", + "cp1253": "windows1253", + "windows1254": { + "type": "_sbcs", + "chars": "€�‚ƒ„…†‡ˆ‰Š‹Œ����‘’“”•–—˜™š›œ��Ÿ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏĞÑÒÓÔÕÖ×ØÙÚÛÜİŞßàáâãäåæçèéêëìíîïğñòóôõö÷øùúûüışÿ" + }, + "win1254": "windows1254", + "cp1254": "windows1254", + "windows1255": { + "type": "_sbcs", + "chars": "€�‚ƒ„…†‡ˆ‰�‹�����‘’“”•–—˜™�›���� ¡¢£₪¥¦§¨©×«¬­®¯°±²³´µ¶·¸¹÷»¼½¾¿ְֱֲֳִֵֶַָֹֺֻּֽ־ֿ׀ׁׂ׃װױײ׳״�������אבגדהוזחטיךכלםמןנסעףפץצקרשת��‎‏�" + }, + "win1255": "windows1255", + "cp1255": "windows1255", + "windows1256": { + "type": "_sbcs", + "chars": "€پ‚ƒ„…†‡ˆ‰ٹ‹Œچژڈگ‘’“”•–—ک™ڑ›œ‌‍ں ،¢£¤¥¦§¨©ھ«¬­®¯°±²³´µ¶·¸¹؛»¼½¾؟ہءآأؤإئابةتثجحخدذرزسشصض×طظعغـفقكàلâمنهوçèéêëىيîïًٌٍَôُِ÷ّùْûü‎‏ے" + }, + "win1256": "windows1256", + "cp1256": "windows1256", + "windows1257": { + "type": "_sbcs", + "chars": "€�‚�„…†‡�‰�‹�¨ˇ¸�‘’“”•–—�™�›�¯˛� �¢£¤�¦§Ø©Ŗ«¬­®Æ°±²³´µ¶·ø¹ŗ»¼½¾æĄĮĀĆÄÅĘĒČÉŹĖĢĶĪĻŠŃŅÓŌÕÖ×ŲŁŚŪÜŻŽßąįāćäåęēčéźėģķīļšńņóōõö÷ųłśūüżž˙" + }, + "win1257": "windows1257", + "cp1257": "windows1257", + "windows1258": { + "type": "_sbcs", + "chars": "€�‚ƒ„…†‡ˆ‰�‹Œ����‘’“”•–—˜™�›œ��Ÿ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂĂÄÅÆÇÈÉÊË̀ÍÎÏĐÑ̉ÓÔƠÖ×ØÙÚÛÜỮßàáâăäåæçèéêë́íîïđṇ̃óôơö÷øùúûüư₫ÿ" + }, + "win1258": "windows1258", + "cp1258": "windows1258", + "iso88591": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ" + }, + "cp28591": "iso88591", + "iso88592": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ Ą˘Ł¤ĽŚ§¨ŠŞŤŹ­ŽŻ°ą˛ł´ľśˇ¸šşťź˝žżŔÁÂĂÄĹĆÇČÉĘËĚÍÎĎĐŃŇÓÔŐÖ×ŘŮÚŰÜÝŢßŕáâăäĺćçčéęëěíîďđńňóôőö÷řůúűüýţ˙" + }, + "cp28592": "iso88592", + "iso88593": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ Ħ˘£¤�Ĥ§¨İŞĞĴ­�Ż°ħ²³´µĥ·¸ışğĵ½�żÀÁÂ�ÄĊĈÇÈÉÊËÌÍÎÏ�ÑÒÓÔĠÖ×ĜÙÚÛÜŬŜßàáâ�äċĉçèéêëìíîï�ñòóôġö÷ĝùúûüŭŝ˙" + }, + "cp28593": "iso88593", + "iso88594": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ĄĸŖ¤ĨĻ§¨ŠĒĢŦ­Ž¯°ą˛ŗ´ĩļˇ¸šēģŧŊžŋĀÁÂÃÄÅÆĮČÉĘËĖÍÎĪĐŅŌĶÔÕÖ×ØŲÚÛÜŨŪßāáâãäåæįčéęëėíîīđņōķôõö÷øųúûüũū˙" + }, + "cp28594": "iso88594", + "iso88595": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ЁЂЃЄЅІЇЈЉЊЋЌ­ЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя№ёђѓєѕіїјљњћќ§ўџ" + }, + "cp28595": "iso88595", + "iso88596": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ���¤�������،­�������������؛���؟�ءآأؤإئابةتثجحخدذرزسشصضطظعغ�����ـفقكلمنهوىيًٌٍَُِّْ�������������" + }, + "cp28596": "iso88596", + "iso88597": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ‘’£€₯¦§¨©ͺ«¬­�―°±²³΄΅Ά·ΈΉΊ»Ό½ΎΏΐΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡ�ΣΤΥΦΧΨΩΪΫάέήίΰαβγδεζηθικλμνξοπρςστυφχψωϊϋόύώ�" + }, + "cp28597": "iso88597", + "iso88598": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ �¢£¤¥¦§¨©×«¬­®¯°±²³´µ¶·¸¹÷»¼½¾��������������������������������‗אבגדהוזחטיךכלםמןנסעףפץצקרשת��‎‏�" + }, + "cp28598": "iso88598", + "iso88599": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏĞÑÒÓÔÕÖ×ØÙÚÛÜİŞßàáâãäåæçèéêëìíîïğñòóôõö÷øùúûüışÿ" + }, + "cp28599": "iso88599", + "iso885910": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ĄĒĢĪĨĶ§ĻĐŠŦŽ­ŪŊ°ąēģīĩķ·ļđšŧž―ūŋĀÁÂÃÄÅÆĮČÉĘËĖÍÎÏÐŅŌÓÔÕÖŨØŲÚÛÜÝÞßāáâãäåæįčéęëėíîïðņōóôõöũøųúûüýþĸ" + }, + "cp28600": "iso885910", + "iso885911": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู����฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛����" + }, + "cp28601": "iso885911", + "iso885913": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ”¢£¤„¦§Ø©Ŗ«¬­®Æ°±²³“µ¶·ø¹ŗ»¼½¾æĄĮĀĆÄÅĘĒČÉŹĖĢĶĪĻŠŃŅÓŌÕÖ×ŲŁŚŪÜŻŽßąįāćäåęēčéźėģķīļšńņóōõö÷ųłśūüżž’" + }, + "cp28603": "iso885913", + "iso885914": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ Ḃḃ£ĊċḊ§Ẁ©ẂḋỲ­®ŸḞḟĠġṀṁ¶ṖẁṗẃṠỳẄẅṡÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏŴÑÒÓÔÕÖṪØÙÚÛÜÝŶßàáâãäåæçèéêëìíîïŵñòóôõöṫøùúûüýŷÿ" + }, + "cp28604": "iso885914", + "iso885915": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£€¥Š§š©ª«¬­®¯°±²³Žµ¶·ž¹º»ŒœŸ¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ" + }, + "cp28605": "iso885915", + "iso885916": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ĄąŁ€„Š§š©Ș«Ź­źŻ°±ČłŽ”¶·žčș»ŒœŸżÀÁÂĂÄĆÆÇÈÉÊËÌÍÎÏĐŃÒÓÔŐÖŚŰÙÚÛÜĘȚßàáâăäćæçèéêëìíîïđńòóôőöśűùúûüęțÿ" + }, + "cp28606": "iso885916", + "cp437": { + "type": "_sbcs", + "chars": "ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜ¢£¥₧ƒáíóúñѪº¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ " + }, + "ibm437": "cp437", + "csibm437": "cp437", + "cp737": { + "type": "_sbcs", + "chars": "ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩαβγδεζηθικλμνξοπρσςτυφχψ░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀ωάέήϊίόύϋώΆΈΉΊΌΎΏ±≥≤ΪΫ÷≈°∙·√ⁿ²■ " + }, + "ibm737": "cp737", + "csibm737": "cp737", + "cp775": { + "type": "_sbcs", + "chars": "ĆüéāäģåćłēŖŗīŹÄÅÉæÆōöĢ¢ŚśÖÜø£ØפĀĪóŻżź”¦©®¬½¼Ł«»░▒▓│┤ĄČĘĖ╣║╗╝ĮŠ┐└┴┬├─┼ŲŪ╚╔╩╦╠═╬Žąčęėįšųūž┘┌█▄▌▐▀ÓßŌŃõÕµńĶķĻļņĒŅ’­±“¾¶§÷„°∙·¹³²■ " + }, + "ibm775": "cp775", + "csibm775": "cp775", + "cp850": { + "type": "_sbcs", + "chars": "ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜø£Ø׃áíóúñѪº¿®¬½¼¡«»░▒▓│┤ÁÂÀ©╣║╗╝¢¥┐└┴┬├─┼ãÃ╚╔╩╦╠═╬¤ðÐÊËÈıÍÎÏ┘┌█▄¦Ì▀ÓßÔÒõÕµþÞÚÛÙýݯ´­±‗¾¶§÷¸°¨·¹³²■ " + }, + "ibm850": "cp850", + "csibm850": "cp850", + "cp852": { + "type": "_sbcs", + "chars": "ÇüéâäůćçłëŐőîŹÄĆÉĹĺôöĽľŚśÖÜŤťŁ×čáíóúĄąŽžĘ꬟Ⱥ«»░▒▓│┤ÁÂĚŞ╣║╗╝Żż┐└┴┬├─┼Ăă╚╔╩╦╠═╬¤đĐĎËďŇÍÎě┘┌█▄ŢŮ▀ÓßÔŃńňŠšŔÚŕŰýÝţ´­˝˛ˇ˘§÷¸°¨˙űŘř■ " + }, + "ibm852": "cp852", + "csibm852": "cp852", + "cp855": { + "type": "_sbcs", + "chars": "ђЂѓЃёЁєЄѕЅіІїЇјЈљЉњЊћЋќЌўЎџЏюЮъЪаАбБцЦдДеЕфФгГ«»░▒▓│┤хХиИ╣║╗╝йЙ┐└┴┬├─┼кК╚╔╩╦╠═╬¤лЛмМнНоОп┘┌█▄Пя▀ЯрРсСтТуУжЖвВьЬ№­ыЫзЗшШэЭщЩчЧ§■ " + }, + "ibm855": "cp855", + "csibm855": "cp855", + "cp856": { + "type": "_sbcs", + "chars": "אבגדהוזחטיךכלםמןנסעףפץצקרשת�£�×����������®¬½¼�«»░▒▓│┤���©╣║╗╝¢¥┐└┴┬├─┼��╚╔╩╦╠═╬¤���������┘┌█▄¦�▀������µ�������¯´­±‗¾¶§÷¸°¨·¹³²■ " + }, + "ibm856": "cp856", + "csibm856": "cp856", + "cp857": { + "type": "_sbcs", + "chars": "ÇüéâäàåçêëèïîıÄÅÉæÆôöòûùİÖÜø£ØŞşáíóúñÑĞ𿮬½¼¡«»░▒▓│┤ÁÂÀ©╣║╗╝¢¥┐└┴┬├─┼ãÃ╚╔╩╦╠═╬¤ºªÊËÈ�ÍÎÏ┘┌█▄¦Ì▀ÓßÔÒõÕµ�×ÚÛÙìÿ¯´­±�¾¶§÷¸°¨·¹³²■ " + }, + "ibm857": "cp857", + "csibm857": "cp857", + "cp858": { + "type": "_sbcs", + "chars": "ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜø£Ø׃áíóúñѪº¿®¬½¼¡«»░▒▓│┤ÁÂÀ©╣║╗╝¢¥┐└┴┬├─┼ãÃ╚╔╩╦╠═╬¤ðÐÊËÈ€ÍÎÏ┘┌█▄¦Ì▀ÓßÔÒõÕµþÞÚÛÙýݯ´­±‗¾¶§÷¸°¨·¹³²■ " + }, + "ibm858": "cp858", + "csibm858": "cp858", + "cp860": { + "type": "_sbcs", + "chars": "ÇüéâãàÁçêÊèÍÔìÃÂÉÀÈôõòÚùÌÕÜ¢£Ù₧ÓáíóúñѪº¿Ò¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ " + }, + "ibm860": "cp860", + "csibm860": "cp860", + "cp861": { + "type": "_sbcs", + "chars": "ÇüéâäàåçêëèÐðÞÄÅÉæÆôöþûÝýÖÜø£Ø₧ƒáíóúÁÍÓÚ¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ " + }, + "ibm861": "cp861", + "csibm861": "cp861", + "cp862": { + "type": "_sbcs", + "chars": "אבגדהוזחטיךכלםמןנסעףפץצקרשת¢£¥₧ƒáíóúñѪº¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ " + }, + "ibm862": "cp862", + "csibm862": "cp862", + "cp863": { + "type": "_sbcs", + "chars": "ÇüéâÂà¶çêëèïî‗À§ÉÈÊôËÏûù¤ÔÜ¢£ÙÛƒ¦´óú¨¸³¯Î⌐¬½¼¾«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ " + }, + "ibm863": "cp863", + "csibm863": "cp863", + "cp864": { + "type": "_sbcs", + "chars": "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f !\"#$٪&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~°·∙√▒─│┼┤┬├┴┐┌└┘β∞φ±½¼≈«»ﻷﻸ��ﻻﻼ� ­ﺂ£¤ﺄ��ﺎﺏﺕﺙ،ﺝﺡﺥ٠١٢٣٤٥٦٧٨٩ﻑ؛ﺱﺵﺹ؟¢ﺀﺁﺃﺅﻊﺋﺍﺑﺓﺗﺛﺟﺣﺧﺩﺫﺭﺯﺳﺷﺻﺿﻁﻅﻋﻏ¦¬÷×ﻉـﻓﻗﻛﻟﻣﻧﻫﻭﻯﻳﺽﻌﻎﻍﻡﹽّﻥﻩﻬﻰﻲﻐﻕﻵﻶﻝﻙﻱ■�" + }, + "ibm864": "cp864", + "csibm864": "cp864", + "cp865": { + "type": "_sbcs", + "chars": "ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜø£Ø₧ƒáíóúñѪº¿⌐¬½¼¡«¤░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ " + }, + "ibm865": "cp865", + "csibm865": "cp865", + "cp866": { + "type": "_sbcs", + "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмноп░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀рстуфхцчшщъыьэюяЁёЄєЇїЎў°∙·√№¤■ " + }, + "ibm866": "cp866", + "csibm866": "cp866", + "cp869": { + "type": "_sbcs", + "chars": "������Ά�·¬¦‘’Έ―ΉΊΪΌ��ΎΫ©Ώ²³ά£έήίϊΐόύΑΒΓΔΕΖΗ½ΘΙ«»░▒▓│┤ΚΛΜΝ╣║╗╝ΞΟ┐└┴┬├─┼ΠΡ╚╔╩╦╠═╬ΣΤΥΦΧΨΩαβγ┘┌█▄δε▀ζηθικλμνξοπρσςτ΄­±υφχ§ψ΅°¨ωϋΰώ■ " + }, + "ibm869": "cp869", + "csibm869": "cp869", + "cp922": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®‾°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏŠÑÒÓÔÕÖ×ØÙÚÛÜÝŽßàáâãäåæçèéêëìíîïšñòóôõö÷øùúûüýžÿ" + }, + "ibm922": "cp922", + "csibm922": "cp922", + "cp1046": { + "type": "_sbcs", + "chars": "ﺈ×÷ﹱˆ■│─┐┌└┘ﹹﹻﹽﹿﹷﺊﻰﻳﻲﻎﻏﻐﻶﻸﻺﻼ ¤ﺋﺑﺗﺛﺟﺣ،­ﺧﺳ٠١٢٣٤٥٦٧٨٩ﺷ؛ﺻﺿﻊ؟ﻋءآأؤإئابةتثجحخدذرزسشصضطﻇعغﻌﺂﺄﺎﻓـفقكلمنهوىيًٌٍَُِّْﻗﻛﻟﻵﻷﻹﻻﻣﻧﻬﻩ�" + }, + "ibm1046": "cp1046", + "csibm1046": "cp1046", + "cp1124": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ЁЂҐЄЅІЇЈЉЊЋЌ­ЎЏАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя№ёђґєѕіїјљњћќ§ўџ" + }, + "ibm1124": "cp1124", + "csibm1124": "cp1124", + "cp1125": { + "type": "_sbcs", + "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмноп░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀рстуфхцчшщъыьэюяЁёҐґЄєІіЇї·√№¤■ " + }, + "ibm1125": "cp1125", + "csibm1125": "cp1125", + "cp1129": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§œ©ª«¬­®¯°±²³Ÿµ¶·Œ¹º»¼½¾¿ÀÁÂĂÄÅÆÇÈÉÊË̀ÍÎÏĐÑ̉ÓÔƠÖ×ØÙÚÛÜỮßàáâăäåæçèéêë́íîïđṇ̃óôơö÷øùúûüư₫ÿ" + }, + "ibm1129": "cp1129", + "csibm1129": "cp1129", + "cp1133": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ກຂຄງຈສຊຍດຕຖທນບປຜຝພຟມຢຣລວຫອຮ���ຯະາຳິີຶືຸູຼັົຽ���ເແໂໃໄ່້໊໋໌ໍໆ�ໜໝ₭����������������໐໑໒໓໔໕໖໗໘໙��¢¬¦�" + }, + "ibm1133": "cp1133", + "csibm1133": "cp1133", + "cp1161": { + "type": "_sbcs", + "chars": "��������������������������������่กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู้๊๋€฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛¢¬¦ " + }, + "ibm1161": "cp1161", + "csibm1161": "cp1161", + "cp1162": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู����฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛����" + }, + "ibm1162": "cp1162", + "csibm1162": "cp1162", + "cp1163": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£€¥¦§œ©ª«¬­®¯°±²³Ÿµ¶·Œ¹º»¼½¾¿ÀÁÂĂÄÅÆÇÈÉÊË̀ÍÎÏĐÑ̉ÓÔƠÖ×ØÙÚÛÜỮßàáâăäåæçèéêë́íîïđṇ̃óôơö÷øùúûüư₫ÿ" + }, + "ibm1163": "cp1163", + "csibm1163": "cp1163", + "maccroatian": { + "type": "_sbcs", + "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®Š™´¨≠ŽØ∞±≤≥∆µ∂∑∏š∫ªºΩžø¿¡¬√ƒ≈Ć«Č… ÀÃÕŒœĐ—“”‘’÷◊�©⁄¤‹›Æ»–·‚„‰ÂćÁčÈÍÎÏÌÓÔđÒÚÛÙıˆ˜¯πË˚¸Êæˇ" + }, + "maccyrillic": { + "type": "_sbcs", + "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ†°¢£§•¶І®©™Ђђ≠Ѓѓ∞±≤≥іµ∂ЈЄєЇїЉљЊњјЅ¬√ƒ≈∆«»… ЋћЌќѕ–—“”‘’÷„ЎўЏџ№Ёёяабвгдежзийклмнопрстуфхцчшщъыьэю¤" + }, + "macgreek": { + "type": "_sbcs", + "chars": "Ĺ²É³ÖÜ΅àâä΄¨çéèê룙î‰ôö¦­ùûü†ΓΔΘΛΞΠß®©ΣΪ§≠°·Α±≤≥¥ΒΕΖΗΙΚΜΦΫΨΩάΝ¬ΟΡ≈Τ«»… ΥΧΆΈœ–―“”‘’÷ΉΊΌΎέήίόΏύαβψδεφγηιξκλμνοπώρστθωςχυζϊϋΐΰ�" + }, + "maciceland": { + "type": "_sbcs", + "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûüÝ°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄¤ÐðÞþý·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ" + }, + "macroman": { + "type": "_sbcs", + "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄¤‹›fifl‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ" + }, + "macromania": { + "type": "_sbcs", + "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ĂŞ∞±≤≥¥µ∂∑∏π∫ªºΩăş¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄¤‹›Ţţ‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ" + }, + "macthai": { + "type": "_sbcs", + "chars": "«»…“”�•‘’� กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู​–—฿เแโใไๅๆ็่้๊๋์ํ™๏๐๑๒๓๔๕๖๗๘๙®©����" + }, + "macturkish": { + "type": "_sbcs", + "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸĞğİıŞş‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙ�ˆ˜¯˘˙˚¸˝˛ˇ" + }, + "macukraine": { + "type": "_sbcs", + "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ†°Ґ£§•¶І®©™Ђђ≠Ѓѓ∞±≤≥іµґЈЄєЇїЉљЊњјЅ¬√ƒ≈∆«»… ЋћЌќѕ–—“”‘’÷„ЎўЏџ№Ёёяабвгдежзийклмнопрстуфхцчшщъыьэю¤" + }, + "koi8r": { + "type": "_sbcs", + "chars": "─│┌┐└┘├┤┬┴┼▀▄█▌▐░▒▓⌠■∙√≈≤≥ ⌡°²·÷═║╒ё╓╔╕╖╗╘╙╚╛╜╝╞╟╠╡Ё╢╣╤╥╦╧╨╩╪╫╬©юабцдефгхийклмнопярстужвьызшэщчъЮАБЦДЕФГХИЙКЛМНОПЯРСТУЖВЬЫЗШЭЩЧЪ" + }, + "koi8u": { + "type": "_sbcs", + "chars": "─│┌┐└┘├┤┬┴┼▀▄█▌▐░▒▓⌠■∙√≈≤≥ ⌡°²·÷═║╒ёє╔ії╗╘╙╚╛ґ╝╞╟╠╡ЁЄ╣ІЇ╦╧╨╩╪Ґ╬©юабцдефгхийклмнопярстужвьызшэщчъЮАБЦДЕФГХИЙКЛМНОПЯРСТУЖВЬЫЗШЭЩЧЪ" + }, + "koi8ru": { + "type": "_sbcs", + "chars": "─│┌┐└┘├┤┬┴┼▀▄█▌▐░▒▓⌠■∙√≈≤≥ ⌡°²·÷═║╒ёє╔ії╗╘╙╚╛ґў╞╟╠╡ЁЄ╣ІЇ╦╧╨╩╪ҐЎ©юабцдефгхийклмнопярстужвьызшэщчъЮАБЦДЕФГХИЙКЛМНОПЯРСТУЖВЬЫЗШЭЩЧЪ" + }, + "koi8t": { + "type": "_sbcs", + "chars": "қғ‚Ғ„…†‡�‰ҳ‹ҲҷҶ�Қ‘’“”•–—�™�›�����ӯӮё¤ӣ¦§���«¬­®�°±²Ё�Ӣ¶·�№�»���©юабцдефгхийклмнопярстужвьызшэщчъЮАБЦДЕФГХИЙКЛМНОПЯРСТУЖВЬЫЗШЭЩЧЪ" + }, + "armscii8": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ �և։)(»«—.՝,-֊…՜՛՞ԱաԲբԳգԴդԵեԶզԷէԸըԹթԺժԻիԼլԽխԾծԿկՀհՁձՂղՃճՄմՅյՆնՇշՈոՉչՊպՋջՌռՍսՎվՏտՐրՑցՒւՓփՔքՕօՖֆ՚�" + }, + "rk1048": { + "type": "_sbcs", + "chars": "ЂЃ‚ѓ„…†‡€‰Љ‹ЊҚҺЏђ‘’“”•–—�™љ›њқһџ ҰұӘ¤Ө¦§Ё©Ғ«¬­®Ү°±Ііөµ¶·ё№ғ»әҢңүАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя" + }, + "tcvn": { + "type": "_sbcs", + "chars": "\u0000ÚỤ\u0003ỪỬỮ\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010ỨỰỲỶỸÝỴ\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~ÀẢÃÁẠẶẬÈẺẼÉẸỆÌỈĨÍỊÒỎÕÓỌỘỜỞỠỚỢÙỦŨ ĂÂÊÔƠƯĐăâêôơưđẶ̀̀̉̃́àảãáạẲằẳẵắẴẮẦẨẪẤỀặầẩẫấậèỂẻẽéẹềểễếệìỉỄẾỒĩíịòỔỏõóọồổỗốộờởỡớợùỖủũúụừửữứựỳỷỹýỵỐ" + }, + "georgianacademy": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿აბგდევზთიკლმნოპჟრსტუფქღყშჩცძწჭხჯჰჱჲჳჴჵჶçèéêëìíîïðñòóôõö÷øùúûüýþÿ" + }, + "georgianps": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿აბგდევზჱთიკლმნჲოპჟრსტჳუფქღყშჩცძწჭხჴჯჰჵæçèéêëìíîïðñòóôõö÷øùúûüýþÿ" + }, + "pt154": { + "type": "_sbcs", + "chars": "ҖҒӮғ„…ҶҮҲүҠӢҢҚҺҸҗ‘’“”•–—ҳҷҡӣңқһҹ ЎўЈӨҘҰ§Ё©Ә«¬ӯ®Ҝ°ұІіҙө¶·ё№ә»јҪҫҝАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя" + }, + "viscii": { + "type": "_sbcs", + "chars": "\u0000\u0001Ẳ\u0003\u0004ẴẪ\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010\u0011\u0012\u0013Ỷ\u0015\u0016\u0017\u0018Ỹ\u001a\u001b\u001c\u001dỴ\u001f !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~ẠẮẰẶẤẦẨẬẼẸẾỀỂỄỆỐỒỔỖỘỢỚỜỞỊỎỌỈỦŨỤỲÕắằặấầẩậẽẹếềểễệốồổỗỠƠộờởịỰỨỪỬơớƯÀÁÂÃẢĂẳẵÈÉÊẺÌÍĨỳĐứÒÓÔạỷừửÙÚỹỵÝỡưàáâãảăữẫèéêẻìíĩỉđựòóôõỏọụùúũủýợỮ" + }, + "iso646cn": { + "type": "_sbcs", + "chars": "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f !\"#¥%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}‾��������������������������������������������������������������������������������������������������������������������������������" + }, + "iso646jp": { + "type": "_sbcs", + "chars": "\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007\b\t\n\u000b\f\r\u000e\u000f\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017\u0018\u0019\u001a\u001b\u001c\u001d\u001e\u001f !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[¥]^_`abcdefghijklmnopqrstuvwxyz{|}‾��������������������������������������������������������������������������������������������������������������������������������" + }, + "hproman8": { + "type": "_sbcs", + "chars": "€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ÀÂÈÊËÎÏ´ˋˆ¨˜ÙÛ₤¯Ýý°ÇçÑñ¡¿¤£¥§ƒ¢âêôûáéóúàèòùäëöüÅîØÆåíøæÄìÖÜÉïßÔÁÃãÐðÍÌÓÒÕõŠšÚŸÿÞþ·µ¶¾—¼½ªº«■»±�" + }, + "macintosh": { + "type": "_sbcs", + "chars": "ÄÅÇÉÑÖÜáàâäãåçéèêëíìîïñóòôöõúùûü†°¢£§•¶ß®©™´¨≠ÆØ∞±≤≥¥µ∂∑∏π∫ªºΩæø¿¡¬√ƒ≈∆«»… ÀÃÕŒœ–—“”‘’÷◊ÿŸ⁄¤‹›fifl‡·‚„‰ÂÊÁËÈÍÎÏÌÓÔ�ÒÚÛÙıˆ˜¯˘˙˚¸˝˛ˇ" + }, + "ascii": { + "type": "_sbcs", + "chars": "��������������������������������������������������������������������������������������������������������������������������������" + }, + "tis620": { + "type": "_sbcs", + "chars": "���������������������������������กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู����฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛����" + } +} + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/sbcs-data.js": +/*!******************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/sbcs-data.js ***! + \******************************************************************************************/ +/***/ ((module) => { + +"use strict"; + + +// Manually added data to be used by sbcs codec in addition to generated one. + +module.exports = { + // Not supported by iconv, not sure why. + "10029": "maccenteuro", + "maccenteuro": { + "type": "_sbcs", + "chars": "ÄĀāÉĄÖÜáąČäčĆć鏟ĎíďĒēĖóėôöõúĚěü†°Ę£§•¶ß®©™ę¨≠ģĮįĪ≤≥īĶ∂∑łĻļĽľĹĺŅņѬ√ńŇ∆«»… ňŐÕőŌ–—“”‘’÷◊ōŔŕŘ‹›řŖŗŠ‚„šŚśÁŤťÍŽžŪÓÔūŮÚůŰűŲųÝýķŻŁżĢˇ" + }, + + "808": "cp808", + "ibm808": "cp808", + "cp808": { + "type": "_sbcs", + "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмноп░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀рстуфхцчшщъыьэюяЁёЄєЇїЎў°∙·√№€■ " + }, + + "mik": { + "type": "_sbcs", + "chars": "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя└┴┬├─┼╣║╚╔╩╦╠═╬┐░▒▓│┤№§╗╝┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ " + }, + + "cp720": { + "type": "_sbcs", + "chars": "\x80\x81éâ\x84à\x86çêëèïî\x8d\x8e\x8f\x90\u0651\u0652ô¤ـûùءآأؤ£إئابةتثجحخدذرزسشص«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀ضطظعغفµقكلمنهوىي≡\u064b\u064c\u064d\u064e\u064f\u0650≈°∙·√ⁿ²■\u00a0" + }, + + // Aliases of generated encodings. + "ascii8bit": "ascii", + "usascii": "ascii", + "ansix34": "ascii", + "ansix341968": "ascii", + "ansix341986": "ascii", + "csascii": "ascii", + "cp367": "ascii", + "ibm367": "ascii", + "isoir6": "ascii", + "iso646us": "ascii", + "iso646irv": "ascii", + "us": "ascii", + + "latin1": "iso88591", + "latin2": "iso88592", + "latin3": "iso88593", + "latin4": "iso88594", + "latin5": "iso88599", + "latin6": "iso885910", + "latin7": "iso885913", + "latin8": "iso885914", + "latin9": "iso885915", + "latin10": "iso885916", + + "csisolatin1": "iso88591", + "csisolatin2": "iso88592", + "csisolatin3": "iso88593", + "csisolatin4": "iso88594", + "csisolatincyrillic": "iso88595", + "csisolatinarabic": "iso88596", + "csisolatingreek" : "iso88597", + "csisolatinhebrew": "iso88598", + "csisolatin5": "iso88599", + "csisolatin6": "iso885910", + + "l1": "iso88591", + "l2": "iso88592", + "l3": "iso88593", + "l4": "iso88594", + "l5": "iso88599", + "l6": "iso885910", + "l7": "iso885913", + "l8": "iso885914", + "l9": "iso885915", + "l10": "iso885916", + + "isoir14": "iso646jp", + "isoir57": "iso646cn", + "isoir100": "iso88591", + "isoir101": "iso88592", + "isoir109": "iso88593", + "isoir110": "iso88594", + "isoir144": "iso88595", + "isoir127": "iso88596", + "isoir126": "iso88597", + "isoir138": "iso88598", + "isoir148": "iso88599", + "isoir157": "iso885910", + "isoir166": "tis620", + "isoir179": "iso885913", + "isoir199": "iso885914", + "isoir203": "iso885915", + "isoir226": "iso885916", + + "cp819": "iso88591", + "ibm819": "iso88591", + + "cyrillic": "iso88595", + + "arabic": "iso88596", + "arabic8": "iso88596", + "ecma114": "iso88596", + "asmo708": "iso88596", + + "greek" : "iso88597", + "greek8" : "iso88597", + "ecma118" : "iso88597", + "elot928" : "iso88597", + + "hebrew": "iso88598", + "hebrew8": "iso88598", + + "turkish": "iso88599", + "turkish8": "iso88599", + + "thai": "iso885911", + "thai8": "iso885911", + + "celtic": "iso885914", + "celtic8": "iso885914", + "isoceltic": "iso885914", + + "tis6200": "tis620", + "tis62025291": "tis620", + "tis62025330": "tis620", + + "10000": "macroman", + "10006": "macgreek", + "10007": "maccyrillic", + "10079": "maciceland", + "10081": "macturkish", + + "cspc8codepage437": "cp437", + "cspc775baltic": "cp775", + "cspc850multilingual": "cp850", + "cspcp852": "cp852", + "cspc862latinhebrew": "cp862", + "cpgr": "cp869", + + "msee": "cp1250", + "mscyrl": "cp1251", + "msansi": "cp1252", + "msgreek": "cp1253", + "msturk": "cp1254", + "mshebr": "cp1255", + "msarab": "cp1256", + "winbaltrim": "cp1257", + + "cp20866": "koi8r", + "20866": "koi8r", + "ibm878": "koi8r", + "cskoi8r": "koi8r", + + "cp21866": "koi8u", + "21866": "koi8u", + "ibm1168": "koi8u", + + "strk10482002": "rk1048", + + "tcvn5712": "tcvn", + "tcvn57121": "tcvn", + + "gb198880": "iso646cn", + "cn": "iso646cn", + + "csiso14jisc6220ro": "iso646jp", + "jisc62201969ro": "iso646jp", + "jp": "iso646jp", + + "cshproman8": "hproman8", + "r8": "hproman8", + "roman8": "hproman8", + "xroman8": "hproman8", + "ibm1051": "hproman8", + + "mac": "macintosh", + "csmacintosh": "macintosh", +}; + + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/utf16.js": +/*!**************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/utf16.js ***! + \**************************************************************************************/ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + +"use strict"; + +var Buffer = (__webpack_require__(/*! safer-buffer */ "./node_modules/safer-buffer/safer.js").Buffer); + +// Note: UTF16-LE (or UCS2) codec is Node.js native. See encodings/internal.js + +// == UTF16-BE codec. ========================================================== + +exports.utf16be = Utf16BECodec; +function Utf16BECodec() { +} + +Utf16BECodec.prototype.encoder = Utf16BEEncoder; +Utf16BECodec.prototype.decoder = Utf16BEDecoder; +Utf16BECodec.prototype.bomAware = true; + + +// -- Encoding + +function Utf16BEEncoder() { +} + +Utf16BEEncoder.prototype.write = function(str) { + var buf = Buffer.from(str, 'ucs2'); + for (var i = 0; i < buf.length; i += 2) { + var tmp = buf[i]; buf[i] = buf[i+1]; buf[i+1] = tmp; + } + return buf; +} + +Utf16BEEncoder.prototype.end = function() { +} + + +// -- Decoding + +function Utf16BEDecoder() { + this.overflowByte = -1; +} + +Utf16BEDecoder.prototype.write = function(buf) { + if (buf.length == 0) + return ''; + + var buf2 = Buffer.alloc(buf.length + 1), + i = 0, j = 0; + + if (this.overflowByte !== -1) { + buf2[0] = buf[0]; + buf2[1] = this.overflowByte; + i = 1; j = 2; + } + + for (; i < buf.length-1; i += 2, j+= 2) { + buf2[j] = buf[i+1]; + buf2[j+1] = buf[i]; + } + + this.overflowByte = (i == buf.length-1) ? buf[buf.length-1] : -1; + + return buf2.slice(0, j).toString('ucs2'); +} + +Utf16BEDecoder.prototype.end = function() { + this.overflowByte = -1; +} + + +// == UTF-16 codec ============================================================= +// Decoder chooses automatically from UTF-16LE and UTF-16BE using BOM and space-based heuristic. +// Defaults to UTF-16LE, as it's prevalent and default in Node. +// http://en.wikipedia.org/wiki/UTF-16 and http://encoding.spec.whatwg.org/#utf-16le +// Decoder default can be changed: iconv.decode(buf, 'utf16', {defaultEncoding: 'utf-16be'}); + +// Encoder uses UTF-16LE and prepends BOM (which can be overridden with addBOM: false). + +exports.utf16 = Utf16Codec; +function Utf16Codec(codecOptions, iconv) { + this.iconv = iconv; +} + +Utf16Codec.prototype.encoder = Utf16Encoder; +Utf16Codec.prototype.decoder = Utf16Decoder; + + +// -- Encoding (pass-through) + +function Utf16Encoder(options, codec) { + options = options || {}; + if (options.addBOM === undefined) + options.addBOM = true; + this.encoder = codec.iconv.getEncoder('utf-16le', options); +} + +Utf16Encoder.prototype.write = function(str) { + return this.encoder.write(str); +} + +Utf16Encoder.prototype.end = function() { + return this.encoder.end(); +} + + +// -- Decoding + +function Utf16Decoder(options, codec) { + this.decoder = null; + this.initialBufs = []; + this.initialBufsLen = 0; + + this.options = options || {}; + this.iconv = codec.iconv; +} + +Utf16Decoder.prototype.write = function(buf) { + if (!this.decoder) { + // Codec is not chosen yet. Accumulate initial bytes. + this.initialBufs.push(buf); + this.initialBufsLen += buf.length; + + if (this.initialBufsLen < 16) // We need more bytes to use space heuristic (see below) + return ''; + + // We have enough bytes -> detect endianness. + var encoding = detectEncoding(this.initialBufs, this.options.defaultEncoding); + this.decoder = this.iconv.getDecoder(encoding, this.options); + + var resStr = ''; + for (var i = 0; i < this.initialBufs.length; i++) + resStr += this.decoder.write(this.initialBufs[i]); + + this.initialBufs.length = this.initialBufsLen = 0; + return resStr; + } + + return this.decoder.write(buf); +} + +Utf16Decoder.prototype.end = function() { + if (!this.decoder) { + var encoding = detectEncoding(this.initialBufs, this.options.defaultEncoding); + this.decoder = this.iconv.getDecoder(encoding, this.options); + + var resStr = ''; + for (var i = 0; i < this.initialBufs.length; i++) + resStr += this.decoder.write(this.initialBufs[i]); + + var trail = this.decoder.end(); + if (trail) + resStr += trail; + + this.initialBufs.length = this.initialBufsLen = 0; + return resStr; + } + return this.decoder.end(); +} + +function detectEncoding(bufs, defaultEncoding) { + var b = []; + var charsProcessed = 0; + var asciiCharsLE = 0, asciiCharsBE = 0; // Number of ASCII chars when decoded as LE or BE. + + outer_loop: + for (var i = 0; i < bufs.length; i++) { + var buf = bufs[i]; + for (var j = 0; j < buf.length; j++) { + b.push(buf[j]); + if (b.length === 2) { + if (charsProcessed === 0) { + // Check BOM first. + if (b[0] === 0xFF && b[1] === 0xFE) return 'utf-16le'; + if (b[0] === 0xFE && b[1] === 0xFF) return 'utf-16be'; + } + + if (b[0] === 0 && b[1] !== 0) asciiCharsBE++; + if (b[0] !== 0 && b[1] === 0) asciiCharsLE++; + + b.length = 0; + charsProcessed++; + + if (charsProcessed >= 100) { + break outer_loop; + } + } + } + } + + // Make decisions. + // Most of the time, the content has ASCII chars (U+00**), but the opposite (U+**00) is uncommon. + // So, we count ASCII as if it was LE or BE, and decide from that. + if (asciiCharsBE > asciiCharsLE) return 'utf-16be'; + if (asciiCharsBE < asciiCharsLE) return 'utf-16le'; + + // Couldn't decide (likely all zeros or not enough data). + return defaultEncoding || 'utf-16le'; +} + + + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/utf32.js": +/*!**************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/utf32.js ***! + \**************************************************************************************/ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + +"use strict"; + + +var Buffer = (__webpack_require__(/*! safer-buffer */ "./node_modules/safer-buffer/safer.js").Buffer); + +// == UTF32-LE/BE codec. ========================================================== + +exports._utf32 = Utf32Codec; + +function Utf32Codec(codecOptions, iconv) { + this.iconv = iconv; + this.bomAware = true; + this.isLE = codecOptions.isLE; +} + +exports.utf32le = { type: '_utf32', isLE: true }; +exports.utf32be = { type: '_utf32', isLE: false }; + +// Aliases +exports.ucs4le = 'utf32le'; +exports.ucs4be = 'utf32be'; + +Utf32Codec.prototype.encoder = Utf32Encoder; +Utf32Codec.prototype.decoder = Utf32Decoder; + +// -- Encoding + +function Utf32Encoder(options, codec) { + this.isLE = codec.isLE; + this.highSurrogate = 0; +} + +Utf32Encoder.prototype.write = function(str) { + var src = Buffer.from(str, 'ucs2'); + var dst = Buffer.alloc(src.length * 2); + var write32 = this.isLE ? dst.writeUInt32LE : dst.writeUInt32BE; + var offset = 0; + + for (var i = 0; i < src.length; i += 2) { + var code = src.readUInt16LE(i); + var isHighSurrogate = (0xD800 <= code && code < 0xDC00); + var isLowSurrogate = (0xDC00 <= code && code < 0xE000); + + if (this.highSurrogate) { + if (isHighSurrogate || !isLowSurrogate) { + // There shouldn't be two high surrogates in a row, nor a high surrogate which isn't followed by a low + // surrogate. If this happens, keep the pending high surrogate as a stand-alone semi-invalid character + // (technically wrong, but expected by some applications, like Windows file names). + write32.call(dst, this.highSurrogate, offset); + offset += 4; + } + else { + // Create 32-bit value from high and low surrogates; + var codepoint = (((this.highSurrogate - 0xD800) << 10) | (code - 0xDC00)) + 0x10000; + + write32.call(dst, codepoint, offset); + offset += 4; + this.highSurrogate = 0; + + continue; + } + } + + if (isHighSurrogate) + this.highSurrogate = code; + else { + // Even if the current character is a low surrogate, with no previous high surrogate, we'll + // encode it as a semi-invalid stand-alone character for the same reasons expressed above for + // unpaired high surrogates. + write32.call(dst, code, offset); + offset += 4; + this.highSurrogate = 0; + } + } + + if (offset < dst.length) + dst = dst.slice(0, offset); + + return dst; +}; + +Utf32Encoder.prototype.end = function() { + // Treat any leftover high surrogate as a semi-valid independent character. + if (!this.highSurrogate) + return; + + var buf = Buffer.alloc(4); + + if (this.isLE) + buf.writeUInt32LE(this.highSurrogate, 0); + else + buf.writeUInt32BE(this.highSurrogate, 0); + + this.highSurrogate = 0; + + return buf; +}; + +// -- Decoding + +function Utf32Decoder(options, codec) { + this.isLE = codec.isLE; + this.badChar = codec.iconv.defaultCharUnicode.charCodeAt(0); + this.overflow = []; +} + +Utf32Decoder.prototype.write = function(src) { + if (src.length === 0) + return ''; + + var i = 0; + var codepoint = 0; + var dst = Buffer.alloc(src.length + 4); + var offset = 0; + var isLE = this.isLE; + var overflow = this.overflow; + var badChar = this.badChar; + + if (overflow.length > 0) { + for (; i < src.length && overflow.length < 4; i++) + overflow.push(src[i]); + + if (overflow.length === 4) { + // NOTE: codepoint is a signed int32 and can be negative. + // NOTE: We copied this block from below to help V8 optimize it (it works with array, not buffer). + if (isLE) { + codepoint = overflow[i] | (overflow[i+1] << 8) | (overflow[i+2] << 16) | (overflow[i+3] << 24); + } else { + codepoint = overflow[i+3] | (overflow[i+2] << 8) | (overflow[i+1] << 16) | (overflow[i] << 24); + } + overflow.length = 0; + + offset = _writeCodepoint(dst, offset, codepoint, badChar); + } + } + + // Main loop. Should be as optimized as possible. + for (; i < src.length - 3; i += 4) { + // NOTE: codepoint is a signed int32 and can be negative. + if (isLE) { + codepoint = src[i] | (src[i+1] << 8) | (src[i+2] << 16) | (src[i+3] << 24); + } else { + codepoint = src[i+3] | (src[i+2] << 8) | (src[i+1] << 16) | (src[i] << 24); + } + offset = _writeCodepoint(dst, offset, codepoint, badChar); + } + + // Keep overflowing bytes. + for (; i < src.length; i++) { + overflow.push(src[i]); + } + + return dst.slice(0, offset).toString('ucs2'); +}; + +function _writeCodepoint(dst, offset, codepoint, badChar) { + // NOTE: codepoint is signed int32 and can be negative. We keep it that way to help V8 with optimizations. + if (codepoint < 0 || codepoint > 0x10FFFF) { + // Not a valid Unicode codepoint + codepoint = badChar; + } + + // Ephemeral Planes: Write high surrogate. + if (codepoint >= 0x10000) { + codepoint -= 0x10000; + + var high = 0xD800 | (codepoint >> 10); + dst[offset++] = high & 0xff; + dst[offset++] = high >> 8; + + // Low surrogate is written below. + var codepoint = 0xDC00 | (codepoint & 0x3FF); + } + + // Write BMP char or low surrogate. + dst[offset++] = codepoint & 0xff; + dst[offset++] = codepoint >> 8; + + return offset; +}; + +Utf32Decoder.prototype.end = function() { + this.overflow.length = 0; +}; + +// == UTF-32 Auto codec ============================================================= +// Decoder chooses automatically from UTF-32LE and UTF-32BE using BOM and space-based heuristic. +// Defaults to UTF-32LE. http://en.wikipedia.org/wiki/UTF-32 +// Encoder/decoder default can be changed: iconv.decode(buf, 'utf32', {defaultEncoding: 'utf-32be'}); + +// Encoder prepends BOM (which can be overridden with (addBOM: false}). + +exports.utf32 = Utf32AutoCodec; +exports.ucs4 = 'utf32'; + +function Utf32AutoCodec(options, iconv) { + this.iconv = iconv; +} + +Utf32AutoCodec.prototype.encoder = Utf32AutoEncoder; +Utf32AutoCodec.prototype.decoder = Utf32AutoDecoder; + +// -- Encoding + +function Utf32AutoEncoder(options, codec) { + options = options || {}; + + if (options.addBOM === undefined) + options.addBOM = true; + + this.encoder = codec.iconv.getEncoder(options.defaultEncoding || 'utf-32le', options); +} + +Utf32AutoEncoder.prototype.write = function(str) { + return this.encoder.write(str); +}; + +Utf32AutoEncoder.prototype.end = function() { + return this.encoder.end(); +}; + +// -- Decoding + +function Utf32AutoDecoder(options, codec) { + this.decoder = null; + this.initialBufs = []; + this.initialBufsLen = 0; + this.options = options || {}; + this.iconv = codec.iconv; +} + +Utf32AutoDecoder.prototype.write = function(buf) { + if (!this.decoder) { + // Codec is not chosen yet. Accumulate initial bytes. + this.initialBufs.push(buf); + this.initialBufsLen += buf.length; + + if (this.initialBufsLen < 32) // We need more bytes to use space heuristic (see below) + return ''; + + // We have enough bytes -> detect endianness. + var encoding = detectEncoding(this.initialBufs, this.options.defaultEncoding); + this.decoder = this.iconv.getDecoder(encoding, this.options); + + var resStr = ''; + for (var i = 0; i < this.initialBufs.length; i++) + resStr += this.decoder.write(this.initialBufs[i]); + + this.initialBufs.length = this.initialBufsLen = 0; + return resStr; + } + + return this.decoder.write(buf); +}; + +Utf32AutoDecoder.prototype.end = function() { + if (!this.decoder) { + var encoding = detectEncoding(this.initialBufs, this.options.defaultEncoding); + this.decoder = this.iconv.getDecoder(encoding, this.options); + + var resStr = ''; + for (var i = 0; i < this.initialBufs.length; i++) + resStr += this.decoder.write(this.initialBufs[i]); + + var trail = this.decoder.end(); + if (trail) + resStr += trail; + + this.initialBufs.length = this.initialBufsLen = 0; + return resStr; + } + + return this.decoder.end(); +}; + +function detectEncoding(bufs, defaultEncoding) { + var b = []; + var charsProcessed = 0; + var invalidLE = 0, invalidBE = 0; // Number of invalid chars when decoded as LE or BE. + var bmpCharsLE = 0, bmpCharsBE = 0; // Number of BMP chars when decoded as LE or BE. + + outer_loop: + for (var i = 0; i < bufs.length; i++) { + var buf = bufs[i]; + for (var j = 0; j < buf.length; j++) { + b.push(buf[j]); + if (b.length === 4) { + if (charsProcessed === 0) { + // Check BOM first. + if (b[0] === 0xFF && b[1] === 0xFE && b[2] === 0 && b[3] === 0) { + return 'utf-32le'; + } + if (b[0] === 0 && b[1] === 0 && b[2] === 0xFE && b[3] === 0xFF) { + return 'utf-32be'; + } + } + + if (b[0] !== 0 || b[1] > 0x10) invalidBE++; + if (b[3] !== 0 || b[2] > 0x10) invalidLE++; + + if (b[0] === 0 && b[1] === 0 && (b[2] !== 0 || b[3] !== 0)) bmpCharsBE++; + if ((b[0] !== 0 || b[1] !== 0) && b[2] === 0 && b[3] === 0) bmpCharsLE++; + + b.length = 0; + charsProcessed++; + + if (charsProcessed >= 100) { + break outer_loop; + } + } + } + } + + // Make decisions. + if (bmpCharsBE - invalidBE > bmpCharsLE - invalidLE) return 'utf-32be'; + if (bmpCharsBE - invalidBE < bmpCharsLE - invalidLE) return 'utf-32le'; + + // Couldn't decide (likely all zeros or not enough data). + return defaultEncoding || 'utf-32le'; +} + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/utf7.js": +/*!*************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/utf7.js ***! + \*************************************************************************************/ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + +"use strict"; + +var Buffer = (__webpack_require__(/*! safer-buffer */ "./node_modules/safer-buffer/safer.js").Buffer); + +// UTF-7 codec, according to https://tools.ietf.org/html/rfc2152 +// See also below a UTF-7-IMAP codec, according to http://tools.ietf.org/html/rfc3501#section-5.1.3 + +exports.utf7 = Utf7Codec; +exports.unicode11utf7 = 'utf7'; // Alias UNICODE-1-1-UTF-7 +function Utf7Codec(codecOptions, iconv) { + this.iconv = iconv; +}; + +Utf7Codec.prototype.encoder = Utf7Encoder; +Utf7Codec.prototype.decoder = Utf7Decoder; +Utf7Codec.prototype.bomAware = true; + + +// -- Encoding + +var nonDirectChars = /[^A-Za-z0-9'\(\),-\.\/:\? \n\r\t]+/g; + +function Utf7Encoder(options, codec) { + this.iconv = codec.iconv; +} + +Utf7Encoder.prototype.write = function(str) { + // Naive implementation. + // Non-direct chars are encoded as "+-"; single "+" char is encoded as "+-". + return Buffer.from(str.replace(nonDirectChars, function(chunk) { + return "+" + (chunk === '+' ? '' : + this.iconv.encode(chunk, 'utf16-be').toString('base64').replace(/=+$/, '')) + + "-"; + }.bind(this))); +} + +Utf7Encoder.prototype.end = function() { +} + + +// -- Decoding + +function Utf7Decoder(options, codec) { + this.iconv = codec.iconv; + this.inBase64 = false; + this.base64Accum = ''; +} + +var base64Regex = /[A-Za-z0-9\/+]/; +var base64Chars = []; +for (var i = 0; i < 256; i++) + base64Chars[i] = base64Regex.test(String.fromCharCode(i)); + +var plusChar = '+'.charCodeAt(0), + minusChar = '-'.charCodeAt(0), + andChar = '&'.charCodeAt(0); + +Utf7Decoder.prototype.write = function(buf) { + var res = "", lastI = 0, + inBase64 = this.inBase64, + base64Accum = this.base64Accum; + + // The decoder is more involved as we must handle chunks in stream. + + for (var i = 0; i < buf.length; i++) { + if (!inBase64) { // We're in direct mode. + // Write direct chars until '+' + if (buf[i] == plusChar) { + res += this.iconv.decode(buf.slice(lastI, i), "ascii"); // Write direct chars. + lastI = i+1; + inBase64 = true; + } + } else { // We decode base64. + if (!base64Chars[buf[i]]) { // Base64 ended. + if (i == lastI && buf[i] == minusChar) {// "+-" -> "+" + res += "+"; + } else { + var b64str = base64Accum + this.iconv.decode(buf.slice(lastI, i), "ascii"); + res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be"); + } + + if (buf[i] != minusChar) // Minus is absorbed after base64. + i--; + + lastI = i+1; + inBase64 = false; + base64Accum = ''; + } + } + } + + if (!inBase64) { + res += this.iconv.decode(buf.slice(lastI), "ascii"); // Write direct chars. + } else { + var b64str = base64Accum + this.iconv.decode(buf.slice(lastI), "ascii"); + + var canBeDecoded = b64str.length - (b64str.length % 8); // Minimal chunk: 2 quads -> 2x3 bytes -> 3 chars. + base64Accum = b64str.slice(canBeDecoded); // The rest will be decoded in future. + b64str = b64str.slice(0, canBeDecoded); + + res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be"); + } + + this.inBase64 = inBase64; + this.base64Accum = base64Accum; + + return res; +} + +Utf7Decoder.prototype.end = function() { + var res = ""; + if (this.inBase64 && this.base64Accum.length > 0) + res = this.iconv.decode(Buffer.from(this.base64Accum, 'base64'), "utf16-be"); + + this.inBase64 = false; + this.base64Accum = ''; + return res; +} + + +// UTF-7-IMAP codec. +// RFC3501 Sec. 5.1.3 Modified UTF-7 (http://tools.ietf.org/html/rfc3501#section-5.1.3) +// Differences: +// * Base64 part is started by "&" instead of "+" +// * Direct characters are 0x20-0x7E, except "&" (0x26) +// * In Base64, "," is used instead of "/" +// * Base64 must not be used to represent direct characters. +// * No implicit shift back from Base64 (should always end with '-') +// * String must end in non-shifted position. +// * "-&" while in base64 is not allowed. + + +exports.utf7imap = Utf7IMAPCodec; +function Utf7IMAPCodec(codecOptions, iconv) { + this.iconv = iconv; +}; + +Utf7IMAPCodec.prototype.encoder = Utf7IMAPEncoder; +Utf7IMAPCodec.prototype.decoder = Utf7IMAPDecoder; +Utf7IMAPCodec.prototype.bomAware = true; + + +// -- Encoding + +function Utf7IMAPEncoder(options, codec) { + this.iconv = codec.iconv; + this.inBase64 = false; + this.base64Accum = Buffer.alloc(6); + this.base64AccumIdx = 0; +} + +Utf7IMAPEncoder.prototype.write = function(str) { + var inBase64 = this.inBase64, + base64Accum = this.base64Accum, + base64AccumIdx = this.base64AccumIdx, + buf = Buffer.alloc(str.length*5 + 10), bufIdx = 0; + + for (var i = 0; i < str.length; i++) { + var uChar = str.charCodeAt(i); + if (0x20 <= uChar && uChar <= 0x7E) { // Direct character or '&'. + if (inBase64) { + if (base64AccumIdx > 0) { + bufIdx += buf.write(base64Accum.slice(0, base64AccumIdx).toString('base64').replace(/\//g, ',').replace(/=+$/, ''), bufIdx); + base64AccumIdx = 0; + } + + buf[bufIdx++] = minusChar; // Write '-', then go to direct mode. + inBase64 = false; + } + + if (!inBase64) { + buf[bufIdx++] = uChar; // Write direct character + + if (uChar === andChar) // Ampersand -> '&-' + buf[bufIdx++] = minusChar; + } + + } else { // Non-direct character + if (!inBase64) { + buf[bufIdx++] = andChar; // Write '&', then go to base64 mode. + inBase64 = true; + } + if (inBase64) { + base64Accum[base64AccumIdx++] = uChar >> 8; + base64Accum[base64AccumIdx++] = uChar & 0xFF; + + if (base64AccumIdx == base64Accum.length) { + bufIdx += buf.write(base64Accum.toString('base64').replace(/\//g, ','), bufIdx); + base64AccumIdx = 0; + } + } + } + } + + this.inBase64 = inBase64; + this.base64AccumIdx = base64AccumIdx; + + return buf.slice(0, bufIdx); +} + +Utf7IMAPEncoder.prototype.end = function() { + var buf = Buffer.alloc(10), bufIdx = 0; + if (this.inBase64) { + if (this.base64AccumIdx > 0) { + bufIdx += buf.write(this.base64Accum.slice(0, this.base64AccumIdx).toString('base64').replace(/\//g, ',').replace(/=+$/, ''), bufIdx); + this.base64AccumIdx = 0; + } + + buf[bufIdx++] = minusChar; // Write '-', then go to direct mode. + this.inBase64 = false; + } + + return buf.slice(0, bufIdx); +} + + +// -- Decoding + +function Utf7IMAPDecoder(options, codec) { + this.iconv = codec.iconv; + this.inBase64 = false; + this.base64Accum = ''; +} + +var base64IMAPChars = base64Chars.slice(); +base64IMAPChars[','.charCodeAt(0)] = true; + +Utf7IMAPDecoder.prototype.write = function(buf) { + var res = "", lastI = 0, + inBase64 = this.inBase64, + base64Accum = this.base64Accum; + + // The decoder is more involved as we must handle chunks in stream. + // It is forgiving, closer to standard UTF-7 (for example, '-' is optional at the end). + + for (var i = 0; i < buf.length; i++) { + if (!inBase64) { // We're in direct mode. + // Write direct chars until '&' + if (buf[i] == andChar) { + res += this.iconv.decode(buf.slice(lastI, i), "ascii"); // Write direct chars. + lastI = i+1; + inBase64 = true; + } + } else { // We decode base64. + if (!base64IMAPChars[buf[i]]) { // Base64 ended. + if (i == lastI && buf[i] == minusChar) { // "&-" -> "&" + res += "&"; + } else { + var b64str = base64Accum + this.iconv.decode(buf.slice(lastI, i), "ascii").replace(/,/g, '/'); + res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be"); + } + + if (buf[i] != minusChar) // Minus may be absorbed after base64. + i--; + + lastI = i+1; + inBase64 = false; + base64Accum = ''; + } + } + } + + if (!inBase64) { + res += this.iconv.decode(buf.slice(lastI), "ascii"); // Write direct chars. + } else { + var b64str = base64Accum + this.iconv.decode(buf.slice(lastI), "ascii").replace(/,/g, '/'); + + var canBeDecoded = b64str.length - (b64str.length % 8); // Minimal chunk: 2 quads -> 2x3 bytes -> 3 chars. + base64Accum = b64str.slice(canBeDecoded); // The rest will be decoded in future. + b64str = b64str.slice(0, canBeDecoded); + + res += this.iconv.decode(Buffer.from(b64str, 'base64'), "utf16-be"); + } + + this.inBase64 = inBase64; + this.base64Accum = base64Accum; + + return res; +} + +Utf7IMAPDecoder.prototype.end = function() { + var res = ""; + if (this.inBase64 && this.base64Accum.length > 0) + res = this.iconv.decode(Buffer.from(this.base64Accum, 'base64'), "utf16-be"); + + this.inBase64 = false; + this.base64Accum = ''; + return res; +} + + + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/lib/bom-handling.js": +/*!***************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/iconv-lite/lib/bom-handling.js ***! + \***************************************************************************************/ +/***/ ((__unused_webpack_module, exports) => { + +"use strict"; + + +var BOMChar = '\uFEFF'; + +exports.PrependBOM = PrependBOMWrapper +function PrependBOMWrapper(encoder, options) { + this.encoder = encoder; + this.addBOM = true; +} + +PrependBOMWrapper.prototype.write = function(str) { + if (this.addBOM) { + str = BOMChar + str; + this.addBOM = false; + } + + return this.encoder.write(str); +} + +PrependBOMWrapper.prototype.end = function() { + return this.encoder.end(); +} + + +//------------------------------------------------------------------------------ + +exports.StripBOM = StripBOMWrapper; +function StripBOMWrapper(decoder, options) { + this.decoder = decoder; + this.pass = false; + this.options = options || {}; +} + +StripBOMWrapper.prototype.write = function(buf) { + var res = this.decoder.write(buf); + if (this.pass || !res) + return res; + + if (res[0] === BOMChar) { + res = res.slice(1); + if (typeof this.options.stripBOM === 'function') + this.options.stripBOM(); + } + + this.pass = true; + return res; +} + +StripBOMWrapper.prototype.end = function() { + return this.decoder.end(); +} + + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/lib/index.js": +/*!********************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/iconv-lite/lib/index.js ***! + \********************************************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +var Buffer = (__webpack_require__(/*! safer-buffer */ "./node_modules/safer-buffer/safer.js").Buffer); + +var bomHandling = __webpack_require__(/*! ./bom-handling */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/lib/bom-handling.js"), + iconv = module.exports; + +// All codecs and aliases are kept here, keyed by encoding name/alias. +// They are lazy loaded in `iconv.getCodec` from `encodings/index.js`. +iconv.encodings = null; + +// Characters emitted in case of error. +iconv.defaultCharUnicode = '�'; +iconv.defaultCharSingleByte = '?'; + +// Public API. +iconv.encode = function encode(str, encoding, options) { + str = "" + (str || ""); // Ensure string. + + var encoder = iconv.getEncoder(encoding, options); + + var res = encoder.write(str); + var trail = encoder.end(); + + return (trail && trail.length > 0) ? Buffer.concat([res, trail]) : res; +} + +iconv.decode = function decode(buf, encoding, options) { + if (typeof buf === 'string') { + if (!iconv.skipDecodeWarning) { + console.error('Iconv-lite warning: decode()-ing strings is deprecated. Refer to https://github.com/ashtuchkin/iconv-lite/wiki/Use-Buffers-when-decoding'); + iconv.skipDecodeWarning = true; + } + + buf = Buffer.from("" + (buf || ""), "binary"); // Ensure buffer. + } + + var decoder = iconv.getDecoder(encoding, options); + + var res = decoder.write(buf); + var trail = decoder.end(); + + return trail ? (res + trail) : res; +} + +iconv.encodingExists = function encodingExists(enc) { + try { + iconv.getCodec(enc); + return true; + } catch (e) { + return false; + } +} + +// Legacy aliases to convert functions +iconv.toEncoding = iconv.encode; +iconv.fromEncoding = iconv.decode; + +// Search for a codec in iconv.encodings. Cache codec data in iconv._codecDataCache. +iconv._codecDataCache = {}; +iconv.getCodec = function getCodec(encoding) { + if (!iconv.encodings) + iconv.encodings = __webpack_require__(/*! ../encodings */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/encodings/index.js"); // Lazy load all encoding definitions. + + // Canonicalize encoding name: strip all non-alphanumeric chars and appended year. + var enc = iconv._canonicalizeEncoding(encoding); + + // Traverse iconv.encodings to find actual codec. + var codecOptions = {}; + while (true) { + var codec = iconv._codecDataCache[enc]; + if (codec) + return codec; + + var codecDef = iconv.encodings[enc]; + + switch (typeof codecDef) { + case "string": // Direct alias to other encoding. + enc = codecDef; + break; + + case "object": // Alias with options. Can be layered. + for (var key in codecDef) + codecOptions[key] = codecDef[key]; + + if (!codecOptions.encodingName) + codecOptions.encodingName = enc; + + enc = codecDef.type; + break; + + case "function": // Codec itself. + if (!codecOptions.encodingName) + codecOptions.encodingName = enc; + + // The codec function must load all tables and return object with .encoder and .decoder methods. + // It'll be called only once (for each different options object). + codec = new codecDef(codecOptions, iconv); + + iconv._codecDataCache[codecOptions.encodingName] = codec; // Save it to be reused later. + return codec; + + default: + throw new Error("Encoding not recognized: '" + encoding + "' (searched as: '"+enc+"')"); + } + } +} + +iconv._canonicalizeEncoding = function(encoding) { + // Canonicalize encoding name: strip all non-alphanumeric chars and appended year. + return (''+encoding).toLowerCase().replace(/:\d{4}$|[^0-9a-z]/g, ""); +} + +iconv.getEncoder = function getEncoder(encoding, options) { + var codec = iconv.getCodec(encoding), + encoder = new codec.encoder(options, codec); + + if (codec.bomAware && options && options.addBOM) + encoder = new bomHandling.PrependBOM(encoder, options); + + return encoder; +} + +iconv.getDecoder = function getDecoder(encoding, options) { + var codec = iconv.getCodec(encoding), + decoder = new codec.decoder(options, codec); + + if (codec.bomAware && !(options && options.stripBOM === false)) + decoder = new bomHandling.StripBOM(decoder, options); + + return decoder; +} + +// Streaming API +// NOTE: Streaming API naturally depends on 'stream' module from Node.js. Unfortunately in browser environments this module can add +// up to 100Kb to the output bundle. To avoid unnecessary code bloat, we don't enable Streaming API in browser by default. +// If you would like to enable it explicitly, please add the following code to your app: +// > iconv.enableStreamingAPI(require('stream')); +iconv.enableStreamingAPI = function enableStreamingAPI(stream_module) { + if (iconv.supportsStreams) + return; + + // Dependency-inject stream module to create IconvLite stream classes. + var streams = __webpack_require__(/*! ./streams */ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/lib/streams.js")(stream_module); + + // Not public API yet, but expose the stream classes. + iconv.IconvLiteEncoderStream = streams.IconvLiteEncoderStream; + iconv.IconvLiteDecoderStream = streams.IconvLiteDecoderStream; + + // Streaming API. + iconv.encodeStream = function encodeStream(encoding, options) { + return new iconv.IconvLiteEncoderStream(iconv.getEncoder(encoding, options), options); + } + + iconv.decodeStream = function decodeStream(encoding, options) { + return new iconv.IconvLiteDecoderStream(iconv.getDecoder(encoding, options), options); + } + + iconv.supportsStreams = true; +} + +// Enable Streaming API automatically if 'stream' module is available and non-empty (the majority of environments). +var stream_module; +try { + stream_module = __webpack_require__(/*! stream */ "?5e09"); +} catch (e) {} + +if (stream_module && stream_module.Transform) { + iconv.enableStreamingAPI(stream_module); + +} else { + // In rare cases where 'stream' module is not available by default, throw a helpful exception. + iconv.encodeStream = iconv.decodeStream = function() { + throw new Error("iconv-lite Streaming API is not enabled. Use iconv.enableStreamingAPI(require('stream')); to enable it."); + }; +} + +if (false) {} + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/iconv-lite/lib/streams.js": +/*!**********************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/iconv-lite/lib/streams.js ***! + \**********************************************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +var Buffer = (__webpack_require__(/*! safer-buffer */ "./node_modules/safer-buffer/safer.js").Buffer); + +// NOTE: Due to 'stream' module being pretty large (~100Kb, significant in browser environments), +// we opt to dependency-inject it instead of creating a hard dependency. +module.exports = function(stream_module) { + var Transform = stream_module.Transform; + + // == Encoder stream ======================================================= + + function IconvLiteEncoderStream(conv, options) { + this.conv = conv; + options = options || {}; + options.decodeStrings = false; // We accept only strings, so we don't need to decode them. + Transform.call(this, options); + } + + IconvLiteEncoderStream.prototype = Object.create(Transform.prototype, { + constructor: { value: IconvLiteEncoderStream } + }); + + IconvLiteEncoderStream.prototype._transform = function(chunk, encoding, done) { + if (typeof chunk != 'string') + return done(new Error("Iconv encoding stream needs strings as its input.")); + try { + var res = this.conv.write(chunk); + if (res && res.length) this.push(res); + done(); + } + catch (e) { + done(e); + } + } + + IconvLiteEncoderStream.prototype._flush = function(done) { + try { + var res = this.conv.end(); + if (res && res.length) this.push(res); + done(); + } + catch (e) { + done(e); + } + } + + IconvLiteEncoderStream.prototype.collect = function(cb) { + var chunks = []; + this.on('error', cb); + this.on('data', function(chunk) { chunks.push(chunk); }); + this.on('end', function() { + cb(null, Buffer.concat(chunks)); + }); + return this; + } + + + // == Decoder stream ======================================================= + + function IconvLiteDecoderStream(conv, options) { + this.conv = conv; + options = options || {}; + options.encoding = this.encoding = 'utf8'; // We output strings. + Transform.call(this, options); + } + + IconvLiteDecoderStream.prototype = Object.create(Transform.prototype, { + constructor: { value: IconvLiteDecoderStream } + }); + + IconvLiteDecoderStream.prototype._transform = function(chunk, encoding, done) { + if (!Buffer.isBuffer(chunk) && !(chunk instanceof Uint8Array)) + return done(new Error("Iconv decoding stream needs buffers as its input.")); + try { + var res = this.conv.write(chunk); + if (res && res.length) this.push(res, this.encoding); + done(); + } + catch (e) { + done(e); + } + } + + IconvLiteDecoderStream.prototype._flush = function(done) { + try { + var res = this.conv.end(); + if (res && res.length) this.push(res, this.encoding); + done(); + } + catch (e) { + done(e); + } + } + + IconvLiteDecoderStream.prototype.collect = function(cb) { + var res = ''; + this.on('error', cb); + this.on('data', function(chunk) { res += chunk; }); + this.on('end', function() { + cb(null, res); + }); + return this; + } + + return { + IconvLiteEncoderStream: IconvLiteEncoderStream, + IconvLiteDecoderStream: IconvLiteDecoderStream, + }; +}; + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/api.js": +/*!*************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/jsdom/lib/api.js ***! + \*************************************************************************/ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + +"use strict"; + +const path = __webpack_require__(Object(function webpackMissingModule() { var e = new Error("Cannot find module 'path'"); e.code = 'MODULE_NOT_FOUND'; throw e; }())); +const fs = Object(function webpackMissingModule() { var e = new Error("Cannot find module 'fs'"); e.code = 'MODULE_NOT_FOUND'; throw e; }()); +const vm = __webpack_require__(/*! vm */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/vm-shim.js"); +const toughCookie = __webpack_require__(/*! tough-cookie */ "./node_modules/@metascraper/helpers/node_modules/tough-cookie/lib/cookie.js"); +const sniffHTMLEncoding = __webpack_require__(/*! html-encoding-sniffer */ "./node_modules/@metascraper/helpers/node_modules/html-encoding-sniffer/lib/html-encoding-sniffer.js"); +const whatwgURL = __webpack_require__(/*! whatwg-url */ "./node_modules/@metascraper/helpers/node_modules/whatwg-url/index.js"); +const whatwgEncoding = __webpack_require__(/*! whatwg-encoding */ "./node_modules/@metascraper/helpers/node_modules/whatwg-encoding/lib/whatwg-encoding.js"); +const { URL } = __webpack_require__(/*! whatwg-url */ "./node_modules/@metascraper/helpers/node_modules/whatwg-url/index.js"); +const MIMEType = __webpack_require__(/*! whatwg-mimetype */ "./node_modules/@metascraper/helpers/node_modules/whatwg-mimetype/lib/mime-type.js"); +const idlUtils = __webpack_require__(/*! ./jsdom/living/generated/utils.js */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/utils.js"); +const VirtualConsole = __webpack_require__(/*! ./jsdom/virtual-console.js */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/virtual-console.js"); +const { createWindow } = __webpack_require__(/*! ./jsdom/browser/Window.js */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/Window.js"); +const { parseIntoDocument } = __webpack_require__(/*! ./jsdom/browser/parser */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/parser/index.js"); +const { fragmentSerialization } = __webpack_require__(/*! ./jsdom/living/domparsing/serialization.js */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/domparsing/serialization.js"); +const ResourceLoader = __webpack_require__(/*! ./jsdom/browser/resources/resource-loader.js */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/resources/resource-loader.js"); +const NoOpResourceLoader = __webpack_require__(/*! ./jsdom/browser/resources/no-op-resource-loader.js */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/resources/no-op-resource-loader.js"); + +class CookieJar extends toughCookie.CookieJar { + constructor(store, options) { + // jsdom cookie jars must be loose by default + super(store, { looseMode: true, ...options }); + } +} + +const window = Symbol("window"); +let sharedFragmentDocument = null; + +class JSDOM { + constructor(input = "", options = {}) { + const mimeType = new MIMEType(options.contentType === undefined ? "text/html" : options.contentType); + const { html, encoding } = normalizeHTML(input, mimeType); + + options = transformOptions(options, encoding, mimeType); + + this[window] = createWindow(options.windowOptions); + + const documentImpl = idlUtils.implForWrapper(this[window]._document); + + options.beforeParse(this[window]._globalProxy); + + parseIntoDocument(html, documentImpl); + + documentImpl.close(); + } + + get window() { + // It's important to grab the global proxy, instead of just the result of `createWindow(...)`, since otherwise + // things like `window.eval` don't exist. + return this[window]._globalProxy; + } + + get virtualConsole() { + return this[window]._virtualConsole; + } + + get cookieJar() { + // TODO NEWAPI move _cookieJar to window probably + return idlUtils.implForWrapper(this[window]._document)._cookieJar; + } + + serialize() { + return fragmentSerialization(idlUtils.implForWrapper(this[window]._document), { requireWellFormed: false }); + } + + nodeLocation(node) { + if (!idlUtils.implForWrapper(this[window]._document)._parseOptions.sourceCodeLocationInfo) { + throw new Error("Location information was not saved for this jsdom. Use includeNodeLocations during creation."); + } + + return idlUtils.implForWrapper(node).sourceCodeLocation; + } + + getInternalVMContext() { + if (!vm.isContext(this[window])) { + throw new TypeError("This jsdom was not configured to allow script running. " + + "Use the runScripts option during creation."); + } + + return this[window]; + } + + reconfigure(settings) { + if ("windowTop" in settings) { + this[window]._top = settings.windowTop; + } + + if ("url" in settings) { + const document = idlUtils.implForWrapper(this[window]._document); + + const url = whatwgURL.parseURL(settings.url); + if (url === null) { + throw new TypeError(`Could not parse "${settings.url}" as a URL`); + } + + document._URL = url; + document._origin = whatwgURL.serializeURLOrigin(document._URL); + this[window]._sessionHistory.currentEntry.url = url; + } + } + + static fragment(string = "") { + if (!sharedFragmentDocument) { + sharedFragmentDocument = (new JSDOM()).window.document; + } + + const template = sharedFragmentDocument.createElement("template"); + template.innerHTML = string; + return template.content; + } + + static fromURL(url, options = {}) { + return Promise.resolve().then(() => { + // Remove the hash while sending this through the research loader fetch(). + // It gets added back a few lines down when constructing the JSDOM object. + const parsedURL = new URL(url); + const originalHash = parsedURL.hash; + parsedURL.hash = ""; + url = parsedURL.href; + + options = normalizeFromURLOptions(options); + + const resourceLoader = resourcesToResourceLoader(options.resources); + const resourceLoaderForInitialRequest = resourceLoader.constructor === NoOpResourceLoader ? + new ResourceLoader() : + resourceLoader; + + const req = resourceLoaderForInitialRequest.fetch(url, { + accept: "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8", + cookieJar: options.cookieJar, + referrer: options.referrer + }); + + return req.then(body => { + const res = req.response; + + options = Object.assign(options, { + url: req.href + originalHash, + contentType: res.headers["content-type"], + referrer: req.getHeader("referer") ?? undefined + }); + + return new JSDOM(body, options); + }); + }); + } + + static async fromFile(filename, options = {}) { + options = normalizeFromFileOptions(filename, options); + const buffer = await fs.readFile(filename); + + return new JSDOM(buffer, options); + } +} + +function normalizeFromURLOptions(options) { + // Checks on options that are invalid for `fromURL` + if (options.url !== undefined) { + throw new TypeError("Cannot supply a url option when using fromURL"); + } + if (options.contentType !== undefined) { + throw new TypeError("Cannot supply a contentType option when using fromURL"); + } + + // Normalization of options which must be done before the rest of the fromURL code can use them, because they are + // given to request() + const normalized = { ...options }; + + if (options.referrer !== undefined) { + normalized.referrer = (new URL(options.referrer)).href; + } + + if (options.cookieJar === undefined) { + normalized.cookieJar = new CookieJar(); + } + + return normalized; + + // All other options don't need to be processed yet, and can be taken care of in the normal course of things when + // `fromURL` calls `new JSDOM(html, options)`. +} + +function normalizeFromFileOptions(filename, options) { + const normalized = { ...options }; + + if (normalized.contentType === undefined) { + const extname = path.extname(filename); + if (extname === ".xhtml" || extname === ".xht" || extname === ".xml") { + normalized.contentType = "application/xhtml+xml"; + } + } + + if (normalized.url === undefined) { + normalized.url = new URL("file:" + path.resolve(filename)); + } + + return normalized; +} + +function transformOptions(options, encoding, mimeType) { + const transformed = { + windowOptions: { + // Defaults + url: "about:blank", + referrer: "", + contentType: "text/html", + parsingMode: "html", + parseOptions: { + sourceCodeLocationInfo: false, + scriptingEnabled: false + }, + runScripts: undefined, + encoding, + pretendToBeVisual: false, + storageQuota: 5000000, + + // Defaults filled in later + resourceLoader: undefined, + virtualConsole: undefined, + cookieJar: undefined + }, + + // Defaults + beforeParse() { } + }; + + // options.contentType was parsed into mimeType by the caller. + if (!mimeType.isHTML() && !mimeType.isXML()) { + throw new RangeError(`The given content type of "${options.contentType}" was not a HTML or XML content type`); + } + + transformed.windowOptions.contentType = mimeType.essence; + transformed.windowOptions.parsingMode = mimeType.isHTML() ? "html" : "xml"; + + if (options.url !== undefined) { + transformed.windowOptions.url = (new URL(options.url)).href; + } + + if (options.referrer !== undefined) { + transformed.windowOptions.referrer = (new URL(options.referrer)).href; + } + + if (options.includeNodeLocations) { + if (transformed.windowOptions.parsingMode === "xml") { + throw new TypeError("Cannot set includeNodeLocations to true with an XML content type"); + } + + transformed.windowOptions.parseOptions = { sourceCodeLocationInfo: true }; + } + + transformed.windowOptions.cookieJar = options.cookieJar === undefined ? + new CookieJar() : + options.cookieJar; + + transformed.windowOptions.virtualConsole = options.virtualConsole === undefined ? + (new VirtualConsole()).sendTo(console) : + options.virtualConsole; + + if (!(transformed.windowOptions.virtualConsole instanceof VirtualConsole)) { + throw new TypeError("virtualConsole must be an instance of VirtualConsole"); + } + + transformed.windowOptions.resourceLoader = resourcesToResourceLoader(options.resources); + + if (options.runScripts !== undefined) { + transformed.windowOptions.runScripts = String(options.runScripts); + if (transformed.windowOptions.runScripts === "dangerously") { + transformed.windowOptions.parseOptions.scriptingEnabled = true; + } else if (transformed.windowOptions.runScripts !== "outside-only") { + throw new RangeError(`runScripts must be undefined, "dangerously", or "outside-only"`); + } + } + + if (options.beforeParse !== undefined) { + transformed.beforeParse = options.beforeParse; + } + + if (options.pretendToBeVisual !== undefined) { + transformed.windowOptions.pretendToBeVisual = Boolean(options.pretendToBeVisual); + } + + if (options.storageQuota !== undefined) { + transformed.windowOptions.storageQuota = Number(options.storageQuota); + } + + return transformed; +} + +function normalizeHTML(html, mimeType) { + let encoding = "UTF-8"; + + if (ArrayBuffer.isView(html)) { + html = Buffer.from(html.buffer, html.byteOffset, html.byteLength); + } else if (html instanceof ArrayBuffer) { + html = Buffer.from(html); + } + + if (Buffer.isBuffer(html)) { + encoding = sniffHTMLEncoding(html, { + defaultEncoding: mimeType.isXML() ? "UTF-8" : "windows-1252", + transportLayerEncodingLabel: mimeType.parameters.get("charset") + }); + html = whatwgEncoding.decode(html, encoding); + } else { + html = String(html); + } + + return { html, encoding }; +} + +function resourcesToResourceLoader(resources) { + switch (resources) { + case undefined: { + return new NoOpResourceLoader(); + } + case "usable": { + return new ResourceLoader(); + } + default: { + if (!(resources instanceof ResourceLoader)) { + throw new TypeError("resources must be an instance of ResourceLoader"); + } + return resources; + } + } +} + +exports.JSDOM = JSDOM; + +exports.VirtualConsole = VirtualConsole; +exports.CookieJar = CookieJar; +exports.ResourceLoader = ResourceLoader; + +exports.toughCookie = toughCookie; + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/Window.js": +/*!******************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/Window.js ***! + \******************************************************************************************/ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + +"use strict"; + +const vm = __webpack_require__(/*! vm */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/vm-shim.js"); +const webIDLConversions = __webpack_require__(/*! webidl-conversions */ "./node_modules/@metascraper/helpers/node_modules/webidl-conversions/lib/index.js"); +const { CSSStyleDeclaration } = __webpack_require__(/*! cssstyle */ "./node_modules/@metascraper/helpers/node_modules/cssstyle/lib/CSSStyleDeclaration.js"); +const notImplemented = __webpack_require__(/*! ./not-implemented */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/not-implemented.js"); +const { installInterfaces } = __webpack_require__(/*! ../living/interfaces */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/interfaces.js"); +const { define, mixin, performance } = __webpack_require__(/*! ../utils */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/utils.js"); +const Element = __webpack_require__(/*! ../living/generated/Element */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/Element.js"); +const EventTarget = __webpack_require__(/*! ../living/generated/EventTarget */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/EventTarget.js"); +const EventHandlerNonNull = __webpack_require__(/*! ../living/generated/EventHandlerNonNull */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/EventHandlerNonNull.js"); +const IDLFunction = __webpack_require__(/*! ../living/generated/Function */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/Function.js"); +const OnBeforeUnloadEventHandlerNonNull = __webpack_require__(/*! ../living/generated/OnBeforeUnloadEventHandlerNonNull */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/OnBeforeUnloadEventHandlerNonNull.js"); +const OnErrorEventHandlerNonNull = __webpack_require__(/*! ../living/generated/OnErrorEventHandlerNonNull */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/OnErrorEventHandlerNonNull.js"); +const { fireAPageTransitionEvent } = __webpack_require__(/*! ../living/helpers/page-transition-event */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/helpers/page-transition-event.js"); +const namedPropertiesWindow = __webpack_require__(/*! ../living/named-properties-window */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/named-properties-window.js"); +const postMessage = __webpack_require__(/*! ../living/post-message */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/post-message.js"); +const DOMException = __webpack_require__(/*! domexception/webidl2js-wrapper */ "./node_modules/@metascraper/helpers/node_modules/domexception/webidl2js-wrapper.js"); +const { btoa, atob } = __webpack_require__(/*! abab */ "./node_modules/abab/index.js"); +const idlUtils = __webpack_require__(/*! ../living/generated/utils */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/utils.js"); +const WebSocketImpl = (__webpack_require__(/*! ../living/websockets/WebSocket-impl */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/websockets/WebSocket-impl-browser.js").implementation); +const BarProp = __webpack_require__(/*! ../living/generated/BarProp */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/BarProp.js"); +const documents = __webpack_require__(/*! ../living/documents.js */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/documents.js"); +const External = __webpack_require__(/*! ../living/generated/External */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/External.js"); +const Navigator = __webpack_require__(/*! ../living/generated/Navigator */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/Navigator.js"); +const Performance = __webpack_require__(/*! ../living/generated/Performance */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/Performance.js"); +const Screen = __webpack_require__(/*! ../living/generated/Screen */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/Screen.js"); +const Crypto = __webpack_require__(/*! ../living/generated/Crypto */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/Crypto.js"); +const Storage = __webpack_require__(/*! ../living/generated/Storage */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/Storage.js"); +const Selection = __webpack_require__(/*! ../living/generated/Selection */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/Selection.js"); +const reportException = __webpack_require__(/*! ../living/helpers/runtime-script-errors */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/helpers/runtime-script-errors.js"); +const { getCurrentEventHandlerValue } = __webpack_require__(/*! ../living/helpers/create-event-accessor.js */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/helpers/create-event-accessor.js"); +const { fireAnEvent } = __webpack_require__(/*! ../living/helpers/events */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/helpers/events.js"); +const SessionHistory = __webpack_require__(/*! ../living/window/SessionHistory */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/window/SessionHistory.js"); +const { getDeclarationForElement, getResolvedValue, propertiesWithResolvedValueImplemented, + SHADOW_DOM_PSEUDO_REGEXP } = __webpack_require__(/*! ../living/helpers/style-rules.js */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/helpers/style-rules.js"); +const CustomElementRegistry = __webpack_require__(/*! ../living/generated/CustomElementRegistry */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/CustomElementRegistry.js"); +const jsGlobals = __webpack_require__(/*! ./js-globals.json */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/js-globals.json"); + +const GlobalEventHandlersImpl = (__webpack_require__(/*! ../living/nodes/GlobalEventHandlers-impl */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/nodes/GlobalEventHandlers-impl.js").implementation); +const WindowEventHandlersImpl = (__webpack_require__(/*! ../living/nodes/WindowEventHandlers-impl */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/nodes/WindowEventHandlers-impl.js").implementation); + +const events = new Set([ + // GlobalEventHandlers + "abort", "autocomplete", + "autocompleteerror", "blur", + "cancel", "canplay", "canplaythrough", + "change", "click", + "close", "contextmenu", + "cuechange", "dblclick", + "drag", "dragend", + "dragenter", + "dragleave", "dragover", + "dragstart", "drop", + "durationchange", "emptied", + "ended", "focus", + "input", "invalid", + "keydown", "keypress", + "keyup", "load", "loadeddata", + "loadedmetadata", "loadstart", + "mousedown", "mouseenter", + "mouseleave", "mousemove", + "mouseout", "mouseover", + "mouseup", "wheel", + "pause", "play", + "playing", "progress", + "ratechange", "reset", + "resize", "scroll", + "securitypolicyviolation", + "seeked", "seeking", + "select", "sort", "stalled", + "submit", "suspend", + "timeupdate", "toggle", + "volumechange", "waiting", + + // WindowEventHandlers + "afterprint", + "beforeprint", + "hashchange", + "languagechange", + "message", + "messageerror", + "offline", + "online", + "pagehide", + "pageshow", + "popstate", + "rejectionhandled", + "storage", + "unhandledrejection", + "unload" + + // "error" and "beforeunload" are added separately +]); + +exports.createWindow = function (options) { + return new Window(options); +}; + +const jsGlobalEntriesToInstall = Object.entries(jsGlobals).filter(([name]) => name in __webpack_require__.g); + +// https://html.spec.whatwg.org/#the-window-object +function setupWindow(windowInstance, { runScripts }) { + if (runScripts === "outside-only" || runScripts === "dangerously") { + contextifyWindow(windowInstance); + + // Without this, these globals will only appear to scripts running inside the context using vm.runScript; they will + // not appear to scripts running from the outside, including to JSDOM implementation code. + for (const [globalName, globalPropDesc] of jsGlobalEntriesToInstall) { + const propDesc = { ...globalPropDesc, value: vm.runInContext(globalName, windowInstance) }; + Object.defineProperty(windowInstance, globalName, propDesc); + } + } else { + // Without contextifying the window, none of the globals will exist. So, let's at least alias them from the Node.js + // context. See https://github.com/jsdom/jsdom/issues/2727 for more background and discussion. + for (const [globalName, globalPropDesc] of jsGlobalEntriesToInstall) { + const propDesc = { ...globalPropDesc, value: __webpack_require__.g[globalName] }; + Object.defineProperty(windowInstance, globalName, propDesc); + } + } + + installInterfaces(windowInstance, ["Window"]); + + const EventTargetConstructor = windowInstance.EventTarget; + + // eslint-disable-next-line func-name-matching, func-style, no-shadow + const windowConstructor = function Window() { + throw new TypeError("Illegal constructor"); + }; + Object.setPrototypeOf(windowConstructor, EventTargetConstructor); + + Object.defineProperty(windowInstance, "Window", { + configurable: true, + writable: true, + value: windowConstructor + }); + + const windowPrototype = Object.create(EventTargetConstructor.prototype); + Object.defineProperties(windowPrototype, { + constructor: { + value: windowConstructor, + writable: true, + configurable: true + }, + [Symbol.toStringTag]: { + value: "Window", + configurable: true + } + }); + + windowConstructor.prototype = windowPrototype; + Object.setPrototypeOf(windowInstance, windowPrototype); + + EventTarget.setup(windowInstance, windowInstance); + mixin(windowInstance, WindowEventHandlersImpl.prototype); + mixin(windowInstance, GlobalEventHandlersImpl.prototype); + windowInstance._initGlobalEvents(); + + Object.defineProperty(windowInstance, "onbeforeunload", { + configurable: true, + enumerable: true, + get() { + return idlUtils.tryWrapperForImpl(getCurrentEventHandlerValue(this, "beforeunload")); + }, + set(V) { + if (!idlUtils.isObject(V)) { + V = null; + } else { + V = OnBeforeUnloadEventHandlerNonNull.convert(windowInstance, V, { + context: "Failed to set the 'onbeforeunload' property on 'Window': The provided value" + }); + } + this._setEventHandlerFor("beforeunload", V); + } + }); + + Object.defineProperty(windowInstance, "onerror", { + configurable: true, + enumerable: true, + get() { + return idlUtils.tryWrapperForImpl(getCurrentEventHandlerValue(this, "error")); + }, + set(V) { + if (!idlUtils.isObject(V)) { + V = null; + } else { + V = OnErrorEventHandlerNonNull.convert(windowInstance, V, { + context: "Failed to set the 'onerror' property on 'Window': The provided value" + }); + } + this._setEventHandlerFor("error", V); + } + }); + + for (const event of events) { + Object.defineProperty(windowInstance, `on${event}`, { + configurable: true, + enumerable: true, + get() { + return idlUtils.tryWrapperForImpl(getCurrentEventHandlerValue(this, event)); + }, + set(V) { + if (!idlUtils.isObject(V)) { + V = null; + } else { + V = EventHandlerNonNull.convert(windowInstance, V, { + context: `Failed to set the 'on${event}' property on 'Window': The provided value` + }); + } + this._setEventHandlerFor(event, V); + } + }); + } + + windowInstance._globalObject = windowInstance; +} + +function makeReplaceablePropertyDescriptor(property, window) { + const desc = { + set(value) { + Object.defineProperty(window, property, { + configurable: true, + enumerable: true, + writable: true, + value + }); + } + }; + + Object.defineProperty(desc.set, "name", { value: `set ${property}` }); + return desc; +} + +// NOTE: per https://heycam.github.io/webidl/#Global, all properties on the Window object must be own-properties. +// That is why we assign everything inside of the constructor, instead of using a shared prototype. +// You can verify this in e.g. Firefox or Internet Explorer, which do a good job with Web IDL compliance. +function Window(options) { + setupWindow(this, { runScripts: options.runScripts }); + + const windowInitialized = performance.now(); + + const window = this; + + // ### PRIVATE DATA PROPERTIES + + this._resourceLoader = options.resourceLoader; + + // vm initialization is deferred until script processing is activated + this._globalProxy = this; + Object.defineProperty(idlUtils.implForWrapper(this), idlUtils.wrapperSymbol, { get: () => this._globalProxy }); + + // List options explicitly to be clear which are passed through + this._document = documents.createWrapper(window, { + parsingMode: options.parsingMode, + contentType: options.contentType, + encoding: options.encoding, + cookieJar: options.cookieJar, + url: options.url, + lastModified: options.lastModified, + referrer: options.referrer, + parseOptions: options.parseOptions, + defaultView: this._globalProxy, + global: this, + parentOrigin: options.parentOrigin + }, { alwaysUseDocumentClass: true }); + + if (vm.isContext(window)) { + const documentImpl = idlUtils.implForWrapper(window._document); + documentImpl._defaultView = window._globalProxy = vm.runInContext("this", window); + } + + const documentOrigin = idlUtils.implForWrapper(this._document)._origin; + this._origin = documentOrigin; + + // https://html.spec.whatwg.org/#session-history + this._sessionHistory = new SessionHistory({ + document: idlUtils.implForWrapper(this._document), + url: idlUtils.implForWrapper(this._document)._URL, + stateObject: null + }, this); + + this._virtualConsole = options.virtualConsole; + + this._runScripts = options.runScripts; + + // Set up the window as if it's a top level window. + // If it's not, then references will be corrected by frame/iframe code. + this._parent = this._top = this._globalProxy; + this._frameElement = null; + + // This implements window.frames.length, since window.frames returns a + // self reference to the window object. This value is incremented in the + // HTMLFrameElement implementation. + this._length = 0; + + // https://dom.spec.whatwg.org/#window-current-event + this._currentEvent = undefined; + + this._pretendToBeVisual = options.pretendToBeVisual; + this._storageQuota = options.storageQuota; + + // Some properties (such as localStorage and sessionStorage) share data + // between windows in the same origin. This object is intended + // to contain such data. + if (options.commonForOrigin && options.commonForOrigin[documentOrigin]) { + this._commonForOrigin = options.commonForOrigin; + } else { + this._commonForOrigin = { + [documentOrigin]: { + localStorageArea: new Map(), + sessionStorageArea: new Map(), + windowsInSameOrigin: [this] + } + }; + } + + this._currentOriginData = this._commonForOrigin[documentOrigin]; + + // ### WEB STORAGE + + this._localStorage = Storage.create(window, [], { + associatedWindow: this, + storageArea: this._currentOriginData.localStorageArea, + type: "localStorage", + url: this._document.documentURI, + storageQuota: this._storageQuota + }); + this._sessionStorage = Storage.create(window, [], { + associatedWindow: this, + storageArea: this._currentOriginData.sessionStorageArea, + type: "sessionStorage", + url: this._document.documentURI, + storageQuota: this._storageQuota + }); + + // ### SELECTION + + // https://w3c.github.io/selection-api/#dfn-selection + this._selection = Selection.createImpl(window); + + // https://w3c.github.io/selection-api/#dom-window + this.getSelection = function () { + return window._selection; + }; + + // ### GETTERS + + const locationbar = BarProp.create(window); + const menubar = BarProp.create(window); + const personalbar = BarProp.create(window); + const scrollbars = BarProp.create(window); + const statusbar = BarProp.create(window); + const toolbar = BarProp.create(window); + const external = External.create(window); + const navigator = Navigator.create(window, [], { userAgent: this._resourceLoader._userAgent }); + const performanceImpl = Performance.create(window, [], { + timeOrigin: performance.timeOrigin + windowInitialized, + nowAtTimeOrigin: windowInitialized + }); + const screen = Screen.create(window); + const crypto = Crypto.create(window); + this._customElementRegistry = CustomElementRegistry.create(window); + + define(this, { + get length() { + return window._length; + }, + get window() { + return window._globalProxy; + }, + get frameElement() { + return idlUtils.wrapperForImpl(window._frameElement); + }, + get frames() { + return window._globalProxy; + }, + get self() { + return window._globalProxy; + }, + get parent() { + return window._parent; + }, + get top() { + return window._top; + }, + get document() { + return window._document; + }, + get external() { + return external; + }, + get location() { + return idlUtils.wrapperForImpl(idlUtils.implForWrapper(window._document)._location); + }, + // [PutForwards=href]: + set location(value) { + Reflect.set(window.location, "href", value); + }, + get history() { + return idlUtils.wrapperForImpl(idlUtils.implForWrapper(window._document)._history); + }, + get navigator() { + return navigator; + }, + get locationbar() { + return locationbar; + }, + get menubar() { + return menubar; + }, + get personalbar() { + return personalbar; + }, + get scrollbars() { + return scrollbars; + }, + get statusbar() { + return statusbar; + }, + get toolbar() { + return toolbar; + }, + get performance() { + return performanceImpl; + }, + get screen() { + return screen; + }, + get crypto() { + return crypto; + }, + get origin() { + return window._origin; + }, + get localStorage() { + if (idlUtils.implForWrapper(this._document)._origin === "null") { + throw DOMException.create(window, [ + "localStorage is not available for opaque origins", + "SecurityError" + ]); + } + + return this._localStorage; + }, + get sessionStorage() { + if (idlUtils.implForWrapper(this._document)._origin === "null") { + throw DOMException.create(window, [ + "sessionStorage is not available for opaque origins", + "SecurityError" + ]); + } + + return this._sessionStorage; + }, + get customElements() { + return this._customElementRegistry; + }, + get event() { + return window._currentEvent ? idlUtils.wrapperForImpl(window._currentEvent) : undefined; + } + }); + + Object.defineProperties(this, { + // [Replaceable]: + self: makeReplaceablePropertyDescriptor("self", window), + locationbar: makeReplaceablePropertyDescriptor("locationbar", window), + menubar: makeReplaceablePropertyDescriptor("menubar", window), + personalbar: makeReplaceablePropertyDescriptor("personalbar", window), + scrollbars: makeReplaceablePropertyDescriptor("scrollbars", window), + statusbar: makeReplaceablePropertyDescriptor("statusbar", window), + toolbar: makeReplaceablePropertyDescriptor("toolbar", window), + frames: makeReplaceablePropertyDescriptor("frames", window), + parent: makeReplaceablePropertyDescriptor("parent", window), + external: makeReplaceablePropertyDescriptor("external", window), + length: makeReplaceablePropertyDescriptor("length", window), + screen: makeReplaceablePropertyDescriptor("screen", window), + origin: makeReplaceablePropertyDescriptor("origin", window), + event: makeReplaceablePropertyDescriptor("event", window), + + // [LegacyUnforgeable]: + window: { configurable: false }, + document: { configurable: false }, + location: { configurable: false }, + top: { configurable: false } + }); + + + namedPropertiesWindow.initializeWindow(this, this._globalProxy); + + // ### METHODS + + // https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#timers + + // In the spec the list of active timers is a set of IDs. We make it a map of IDs to Node.js timer objects, so that + // we can call Node.js-side clearTimeout() when clearing, and thus allow process shutdown faster. + const listOfActiveTimers = new Map(); + let latestTimerId = 0; + + this.setTimeout = function (handler, timeout = 0, ...args) { + if (typeof handler !== "function") { + handler = webIDLConversions.DOMString(handler); + } + timeout = webIDLConversions.long(timeout); + + return timerInitializationSteps(handler, timeout, args, { methodContext: window, repeat: false }); + }; + this.setInterval = function (handler, timeout = 0, ...args) { + if (typeof handler !== "function") { + handler = webIDLConversions.DOMString(handler); + } + timeout = webIDLConversions.long(timeout); + + return timerInitializationSteps(handler, timeout, args, { methodContext: window, repeat: true }); + }; + + this.clearTimeout = function (handle = 0) { + handle = webIDLConversions.long(handle); + + const nodejsTimer = listOfActiveTimers.get(handle); + if (nodejsTimer) { + clearTimeout(nodejsTimer); + listOfActiveTimers.delete(handle); + } + }; + this.clearInterval = function (handle = 0) { + handle = webIDLConversions.long(handle); + + const nodejsTimer = listOfActiveTimers.get(handle); + if (nodejsTimer) { + // We use setTimeout() in timerInitializationSteps even for this.setInterval(). + clearTimeout(nodejsTimer); + listOfActiveTimers.delete(handle); + } + }; + + function timerInitializationSteps(handler, timeout, args, { methodContext, repeat, previousHandle }) { + // This appears to be unspecced, but matches browser behavior for close()ed windows. + if (!methodContext._document) { + return 0; + } + + // TODO: implement timer nesting level behavior. + + const methodContextProxy = methodContext._globalProxy; + const handle = previousHandle !== undefined ? previousHandle : ++latestTimerId; + + function task() { + if (!listOfActiveTimers.has(handle)) { + return; + } + + try { + if (typeof handler === "function") { + handler.apply(methodContextProxy, args); + } else if (window._runScripts === "dangerously") { + vm.runInContext(handler, window, { filename: window.location.href, displayErrors: false }); + } + } catch (e) { + reportException(window, e, window.location.href); + } + + if (listOfActiveTimers.has(handle)) { + if (repeat) { + timerInitializationSteps(handler, timeout, args, { methodContext, repeat: true, previousHandle: handle }); + } else { + listOfActiveTimers.delete(handle); + } + } + } + + if (timeout < 0) { + timeout = 0; + } + + const nodejsTimer = setTimeout(task, timeout); + listOfActiveTimers.set(handle, nodejsTimer); + + return handle; + } + + // https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html#microtask-queuing + + this.queueMicrotask = function (callback) { + callback = IDLFunction.convert(this, callback); + + queueMicrotask(() => { + try { + callback(); + } catch (e) { + reportException(window, e, window.location.href); + } + }); + }; + + // https://html.spec.whatwg.org/multipage/imagebitmap-and-animations.html#animation-frames + + let animationFrameCallbackId = 0; + const mapOfAnimationFrameCallbacks = new Map(); + let animationFrameNodejsInterval = null; + + // Unlike the spec, where an animation frame happens every 60 Hz regardless, we optimize so that if there are no + // requestAnimationFrame() calls outstanding, we don't fire the timer. This helps us track that. + let numberOfOngoingAnimationFrameCallbacks = 0; + + if (this._pretendToBeVisual) { + this.requestAnimationFrame = function (callback) { + callback = IDLFunction.convert(this, callback); + + const handle = ++animationFrameCallbackId; + mapOfAnimationFrameCallbacks.set(handle, callback); + + ++numberOfOngoingAnimationFrameCallbacks; + if (numberOfOngoingAnimationFrameCallbacks === 1) { + animationFrameNodejsInterval = setInterval(() => { + runAnimationFrameCallbacks(performance.now() - windowInitialized); + }, 1000 / 60); + } + + return handle; + }; + + this.cancelAnimationFrame = function (handle) { + handle = webIDLConversions["unsigned long"](handle); + + removeAnimationFrameCallback(handle); + }; + + function runAnimationFrameCallbacks(now) { + // Converting to an array is important to get a sync snapshot and thus match spec semantics. + const callbackHandles = [...mapOfAnimationFrameCallbacks.keys()]; + for (const handle of callbackHandles) { + // This has() can be false if a callback calls cancelAnimationFrame(). + if (mapOfAnimationFrameCallbacks.has(handle)) { + const callback = mapOfAnimationFrameCallbacks.get(handle); + removeAnimationFrameCallback(handle); + try { + callback(now); + } catch (e) { + reportException(window, e, window.location.href); + } + } + } + } + + function removeAnimationFrameCallback(handle) { + if (mapOfAnimationFrameCallbacks.has(handle)) { + --numberOfOngoingAnimationFrameCallbacks; + if (numberOfOngoingAnimationFrameCallbacks === 0) { + clearInterval(animationFrameNodejsInterval); + } + } + + mapOfAnimationFrameCallbacks.delete(handle); + } + } + + function stopAllTimers() { + for (const nodejsTimer of listOfActiveTimers.values()) { + clearTimeout(nodejsTimer); + } + listOfActiveTimers.clear(); + + clearInterval(animationFrameNodejsInterval); + } + + function Option(text, value, defaultSelected, selected) { + if (text === undefined) { + text = ""; + } + text = webIDLConversions.DOMString(text); + + if (value !== undefined) { + value = webIDLConversions.DOMString(value); + } + + defaultSelected = webIDLConversions.boolean(defaultSelected); + selected = webIDLConversions.boolean(selected); + + const option = window._document.createElement("option"); + const impl = idlUtils.implForWrapper(option); + + if (text !== "") { + impl.text = text; + } + if (value !== undefined) { + impl.setAttributeNS(null, "value", value); + } + if (defaultSelected) { + impl.setAttributeNS(null, "selected", ""); + } + impl._selectedness = selected; + + return option; + } + Object.defineProperty(Option, "prototype", { + value: this.HTMLOptionElement.prototype, + configurable: false, + enumerable: false, + writable: false + }); + Object.defineProperty(window, "Option", { + value: Option, + configurable: true, + enumerable: false, + writable: true + }); + + function Image(...args) { + const img = window._document.createElement("img"); + const impl = idlUtils.implForWrapper(img); + + if (args.length > 0) { + impl.setAttributeNS(null, "width", String(args[0])); + } + if (args.length > 1) { + impl.setAttributeNS(null, "height", String(args[1])); + } + + return img; + } + Object.defineProperty(Image, "prototype", { + value: this.HTMLImageElement.prototype, + configurable: false, + enumerable: false, + writable: false + }); + Object.defineProperty(window, "Image", { + value: Image, + configurable: true, + enumerable: false, + writable: true + }); + + function Audio(src) { + const audio = window._document.createElement("audio"); + const impl = idlUtils.implForWrapper(audio); + impl.setAttributeNS(null, "preload", "auto"); + + if (src !== undefined) { + impl.setAttributeNS(null, "src", String(src)); + } + + return audio; + } + Object.defineProperty(Audio, "prototype", { + value: this.HTMLAudioElement.prototype, + configurable: false, + enumerable: false, + writable: false + }); + Object.defineProperty(window, "Audio", { + value: Audio, + configurable: true, + enumerable: false, + writable: true + }); + + this.postMessage = postMessage(window); + + this.atob = function (str) { + const result = atob(str); + if (result === null) { + throw DOMException.create(window, [ + "The string to be decoded contains invalid characters.", + "InvalidCharacterError" + ]); + } + return result; + }; + + this.btoa = function (str) { + const result = btoa(str); + if (result === null) { + throw DOMException.create(window, [ + "The string to be encoded contains invalid characters.", + "InvalidCharacterError" + ]); + } + return result; + }; + + this.stop = function () { + const manager = idlUtils.implForWrapper(this._document)._requestManager; + if (manager) { + manager.close(); + } + }; + + this.close = function () { + // Recursively close child frame windows, then ourselves (depth-first). + for (let i = 0; i < this.length; ++i) { + this[i].close(); + } + + // Clear out all listeners. Any in-flight or upcoming events should not get delivered. + idlUtils.implForWrapper(this)._eventListeners = Object.create(null); + + if (this._document) { + if (this._document.body) { + this._document.body.innerHTML = ""; + } + + if (this._document.close) { + // It's especially important to clear out the listeners here because document.close() causes a "load" event to + // fire. + idlUtils.implForWrapper(this._document)._eventListeners = Object.create(null); + this._document.close(); + } + const doc = idlUtils.implForWrapper(this._document); + if (doc._requestManager) { + doc._requestManager.close(); + } + delete this._document; + } + + stopAllTimers(); + WebSocketImpl.cleanUpWindow(this); + }; + + this.getComputedStyle = function (elt, pseudoElt = undefined) { + elt = Element.convert(this, elt); + if (pseudoElt !== undefined && pseudoElt !== null) { + pseudoElt = webIDLConversions.DOMString(pseudoElt); + } + + if (pseudoElt !== undefined && pseudoElt !== null && pseudoElt !== "") { + // TODO: Parse pseudoElt + + if (SHADOW_DOM_PSEUDO_REGEXP.test(pseudoElt)) { + throw new TypeError("Tried to get the computed style of a Shadow DOM pseudo-element."); + } + + notImplemented("window.computedStyle(elt, pseudoElt)", this); + } + + const declaration = new CSSStyleDeclaration(); + const { forEach } = Array.prototype; + + const elementDeclaration = getDeclarationForElement(elt); + forEach.call(elementDeclaration, property => { + declaration.setProperty( + property, + elementDeclaration.getPropertyValue(property), + elementDeclaration.getPropertyPriority(property) + ); + }); + + // https://drafts.csswg.org/cssom/#dom-window-getcomputedstyle + const declarations = Object.keys(propertiesWithResolvedValueImplemented); + forEach.call(declarations, property => { + declaration.setProperty(property, getResolvedValue(elt, property)); + }); + + return declaration; + }; + + this.getSelection = function () { + return window._document.getSelection(); + }; + + // The captureEvents() and releaseEvents() methods must do nothing + this.captureEvents = function () {}; + + this.releaseEvents = function () {}; + + // ### PUBLIC DATA PROPERTIES (TODO: should be getters) + + function wrapConsoleMethod(method) { + return (...args) => { + window._virtualConsole.emit(method, ...args); + }; + } + + this.console = { + assert: wrapConsoleMethod("assert"), + clear: wrapConsoleMethod("clear"), + count: wrapConsoleMethod("count"), + countReset: wrapConsoleMethod("countReset"), + debug: wrapConsoleMethod("debug"), + dir: wrapConsoleMethod("dir"), + dirxml: wrapConsoleMethod("dirxml"), + error: wrapConsoleMethod("error"), + group: wrapConsoleMethod("group"), + groupCollapsed: wrapConsoleMethod("groupCollapsed"), + groupEnd: wrapConsoleMethod("groupEnd"), + info: wrapConsoleMethod("info"), + log: wrapConsoleMethod("log"), + table: wrapConsoleMethod("table"), + time: wrapConsoleMethod("time"), + timeLog: wrapConsoleMethod("timeLog"), + timeEnd: wrapConsoleMethod("timeEnd"), + trace: wrapConsoleMethod("trace"), + warn: wrapConsoleMethod("warn") + }; + + function notImplementedMethod(name) { + return function () { + notImplemented(name, window); + }; + } + + define(this, { + name: "", + status: "", + devicePixelRatio: 1, + innerWidth: 1024, + innerHeight: 768, + outerWidth: 1024, + outerHeight: 768, + pageXOffset: 0, + pageYOffset: 0, + screenX: 0, + screenLeft: 0, + screenY: 0, + screenTop: 0, + scrollX: 0, + scrollY: 0, + + alert: notImplementedMethod("window.alert"), + blur: notImplementedMethod("window.blur"), + confirm: notImplementedMethod("window.confirm"), + focus: notImplementedMethod("window.focus"), + moveBy: notImplementedMethod("window.moveBy"), + moveTo: notImplementedMethod("window.moveTo"), + open: notImplementedMethod("window.open"), + print: notImplementedMethod("window.print"), + prompt: notImplementedMethod("window.prompt"), + resizeBy: notImplementedMethod("window.resizeBy"), + resizeTo: notImplementedMethod("window.resizeTo"), + scroll: notImplementedMethod("window.scroll"), + scrollBy: notImplementedMethod("window.scrollBy"), + scrollTo: notImplementedMethod("window.scrollTo") + }); + + // ### INITIALIZATION + + process.nextTick(() => { + if (!window.document) { + return; // window might've been closed already + } + + if (window.document.readyState === "complete") { + fireAnEvent("load", window, undefined, {}, true); + } else { + window.document.addEventListener("load", () => { + fireAnEvent("load", window, undefined, {}, true); + if (!window._document) { + return; // window might've been closed already + } + + const documentImpl = idlUtils.implForWrapper(window._document); + if (!documentImpl._pageShowingFlag) { + documentImpl._pageShowingFlag = true; + fireAPageTransitionEvent("pageshow", window, false); + } + }); + } + }); +} + +function contextifyWindow(window) { + if (vm.isContext(window)) { + return; + } + + vm.createContext(window); +} + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/default-stylesheet.js": +/*!******************************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/default-stylesheet.js ***! + \******************************************************************************************************/ +/***/ ((module) => { + +// Ideally, we would use +// https://html.spec.whatwg.org/multipage/rendering.html#the-css-user-agent-style-sheet-and-presentational-hints +// but for now, just use the version from blink. This file is copied from +// https://chromium.googlesource.com/chromium/blink/+/96aa3a280ab7d67178c8f122a04949ce5f8579e0/Source/core/css/html.css +// (removed a line which had octal literals inside since octal literals are not allowed in template strings) + +// We use a .js file because otherwise we can't browserify this. (brfs is unusable due to lack of ES2015 support) + +module.exports = ` +/* + * The default style sheet used to render HTML. + * + * Copyright (C) 2000 Lars Knoll (knoll@kde.org) + * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +@namespace "http://www.w3.org/1999/xhtml"; + +html { + display: block +} + +:root { + scroll-blocks-on: start-touch wheel-event +} + +/* children of the element all have display:none */ +head { + display: none +} + +meta { + display: none +} + +title { + display: none +} + +link { + display: none +} + +style { + display: none +} + +script { + display: none +} + +/* generic block-level elements */ + +body { + display: block; + margin: 8px +} + +p { + display: block; + -webkit-margin-before: 1__qem; + -webkit-margin-after: 1__qem; + -webkit-margin-start: 0; + -webkit-margin-end: 0; +} + +div { + display: block +} + +layer { + display: block +} + +article, aside, footer, header, hgroup, main, nav, section { + display: block +} + +marquee { + display: inline-block; +} + +address { + display: block +} + +blockquote { + display: block; + -webkit-margin-before: 1__qem; + -webkit-margin-after: 1em; + -webkit-margin-start: 40px; + -webkit-margin-end: 40px; +} + +figcaption { + display: block +} + +figure { + display: block; + -webkit-margin-before: 1em; + -webkit-margin-after: 1em; + -webkit-margin-start: 40px; + -webkit-margin-end: 40px; +} + +q { + display: inline +} + +/* nwmatcher does not support ::before and ::after, so we can't render q +correctly: https://html.spec.whatwg.org/multipage/rendering.html#phrasing-content-3 +TODO: add q::before and q::after selectors +*/ + +center { + display: block; + /* special centering to be able to emulate the html4/netscape behaviour */ + text-align: -webkit-center +} + +hr { + display: block; + -webkit-margin-before: 0.5em; + -webkit-margin-after: 0.5em; + -webkit-margin-start: auto; + -webkit-margin-end: auto; + border-style: inset; + border-width: 1px; + box-sizing: border-box +} + +map { + display: inline +} + +video { + object-fit: contain; +} + +/* heading elements */ + +h1 { + display: block; + font-size: 2em; + -webkit-margin-before: 0.67__qem; + -webkit-margin-after: 0.67em; + -webkit-margin-start: 0; + -webkit-margin-end: 0; + font-weight: bold +} + +article h1, +aside h1, +nav h1, +section h1 { + font-size: 1.5em; + -webkit-margin-before: 0.83__qem; + -webkit-margin-after: 0.83em; +} + +article article h1, +article aside h1, +article nav h1, +article section h1, +aside article h1, +aside aside h1, +aside nav h1, +aside section h1, +nav article h1, +nav aside h1, +nav nav h1, +nav section h1, +section article h1, +section aside h1, +section nav h1, +section section h1 { + font-size: 1.17em; + -webkit-margin-before: 1__qem; + -webkit-margin-after: 1em; +} + +/* Remaining selectors are deleted because nwmatcher does not support +:matches() and expanding the selectors manually would be far too verbose. +Also see https://html.spec.whatwg.org/multipage/rendering.html#sections-and-headings +TODO: rewrite to use :matches() when nwmatcher supports it. +*/ + +h2 { + display: block; + font-size: 1.5em; + -webkit-margin-before: 0.83__qem; + -webkit-margin-after: 0.83em; + -webkit-margin-start: 0; + -webkit-margin-end: 0; + font-weight: bold +} + +h3 { + display: block; + font-size: 1.17em; + -webkit-margin-before: 1__qem; + -webkit-margin-after: 1em; + -webkit-margin-start: 0; + -webkit-margin-end: 0; + font-weight: bold +} + +h4 { + display: block; + -webkit-margin-before: 1.33__qem; + -webkit-margin-after: 1.33em; + -webkit-margin-start: 0; + -webkit-margin-end: 0; + font-weight: bold +} + +h5 { + display: block; + font-size: .83em; + -webkit-margin-before: 1.67__qem; + -webkit-margin-after: 1.67em; + -webkit-margin-start: 0; + -webkit-margin-end: 0; + font-weight: bold +} + +h6 { + display: block; + font-size: .67em; + -webkit-margin-before: 2.33__qem; + -webkit-margin-after: 2.33em; + -webkit-margin-start: 0; + -webkit-margin-end: 0; + font-weight: bold +} + +/* tables */ + +table { + display: table; + border-collapse: separate; + border-spacing: 2px; + border-color: gray +} + +thead { + display: table-header-group; + vertical-align: middle; + border-color: inherit +} + +tbody { + display: table-row-group; + vertical-align: middle; + border-color: inherit +} + +tfoot { + display: table-footer-group; + vertical-align: middle; + border-color: inherit +} + +/* for tables without table section elements (can happen with XHTML or dynamically created tables) */ +table > tr { + vertical-align: middle; +} + +col { + display: table-column +} + +colgroup { + display: table-column-group +} + +tr { + display: table-row; + vertical-align: inherit; + border-color: inherit +} + +td, th { + display: table-cell; + vertical-align: inherit +} + +th { + font-weight: bold +} + +caption { + display: table-caption; + text-align: -webkit-center +} + +/* lists */ + +ul, menu, dir { + display: block; + list-style-type: disc; + -webkit-margin-before: 1__qem; + -webkit-margin-after: 1em; + -webkit-margin-start: 0; + -webkit-margin-end: 0; + -webkit-padding-start: 40px +} + +ol { + display: block; + list-style-type: decimal; + -webkit-margin-before: 1__qem; + -webkit-margin-after: 1em; + -webkit-margin-start: 0; + -webkit-margin-end: 0; + -webkit-padding-start: 40px +} + +li { + display: list-item; + text-align: -webkit-match-parent; +} + +ul ul, ol ul { + list-style-type: circle +} + +ol ol ul, ol ul ul, ul ol ul, ul ul ul { + list-style-type: square +} + +dd { + display: block; + -webkit-margin-start: 40px +} + +dl { + display: block; + -webkit-margin-before: 1__qem; + -webkit-margin-after: 1em; + -webkit-margin-start: 0; + -webkit-margin-end: 0; +} + +dt { + display: block +} + +ol ul, ul ol, ul ul, ol ol { + -webkit-margin-before: 0; + -webkit-margin-after: 0 +} + +/* form elements */ + +form { + display: block; + margin-top: 0__qem; +} + +label { + cursor: default; +} + +legend { + display: block; + -webkit-padding-start: 2px; + -webkit-padding-end: 2px; + border: none +} + +fieldset { + display: block; + -webkit-margin-start: 2px; + -webkit-margin-end: 2px; + -webkit-padding-before: 0.35em; + -webkit-padding-start: 0.75em; + -webkit-padding-end: 0.75em; + -webkit-padding-after: 0.625em; + border: 2px groove ThreeDFace; + min-width: -webkit-min-content; +} + +button { + -webkit-appearance: button; +} + +/* Form controls don't go vertical. */ +input, textarea, select, button, meter, progress { + -webkit-writing-mode: horizontal-tb !important; +} + +input, textarea, select, button { + margin: 0__qem; + font: -webkit-small-control; + text-rendering: auto; /* FIXME: Remove when tabs work with optimizeLegibility. */ + color: initial; + letter-spacing: normal; + word-spacing: normal; + line-height: normal; + text-transform: none; + text-indent: 0; + text-shadow: none; + display: inline-block; + text-align: start; +} + +/* TODO: Add " i" to attribute matchers to support case-insensitive matching */ +input[type="hidden"] { + display: none +} + +input { + -webkit-appearance: textfield; + padding: 1px; + background-color: white; + border: 2px inset; + -webkit-rtl-ordering: logical; + -webkit-user-select: text; + cursor: auto; +} + +input[type="search"] { + -webkit-appearance: searchfield; + box-sizing: border-box; +} + +select { + border-radius: 5px; +} + +textarea { + -webkit-appearance: textarea; + background-color: white; + border: 1px solid; + -webkit-rtl-ordering: logical; + -webkit-user-select: text; + flex-direction: column; + resize: auto; + cursor: auto; + padding: 2px; + white-space: pre-wrap; + word-wrap: break-word; +} + +input[type="password"] { + -webkit-text-security: disc !important; +} + +input[type="hidden"], input[type="image"], input[type="file"] { + -webkit-appearance: initial; + padding: initial; + background-color: initial; + border: initial; +} + +input[type="file"] { + align-items: baseline; + color: inherit; + text-align: start !important; +} + +input[type="radio"], input[type="checkbox"] { + margin: 3px 0.5ex; + padding: initial; + background-color: initial; + border: initial; +} + +input[type="button"], input[type="submit"], input[type="reset"] { + -webkit-appearance: push-button; + -webkit-user-select: none; + white-space: pre +} + +input[type="button"], input[type="submit"], input[type="reset"], button { + align-items: flex-start; + text-align: center; + cursor: default; + color: ButtonText; + padding: 2px 6px 3px 6px; + border: 2px outset ButtonFace; + background-color: ButtonFace; + box-sizing: border-box +} + +input[type="range"] { + -webkit-appearance: slider-horizontal; + padding: initial; + border: initial; + margin: 2px; + color: #909090; +} + +input[type="button"]:disabled, input[type="submit"]:disabled, input[type="reset"]:disabled, +button:disabled, select:disabled, optgroup:disabled, option:disabled, +select[disabled]>option { + color: GrayText +} + +input[type="button"]:active, input[type="submit"]:active, input[type="reset"]:active, button:active { + border-style: inset +} + +input[type="button"]:active:disabled, input[type="submit"]:active:disabled, input[type="reset"]:active:disabled, button:active:disabled { + border-style: outset +} + +datalist { + display: none +} + +area { + display: inline; + cursor: pointer; +} + +param { + display: none +} + +input[type="checkbox"] { + -webkit-appearance: checkbox; + box-sizing: border-box; +} + +input[type="radio"] { + -webkit-appearance: radio; + box-sizing: border-box; +} + +input[type="color"] { + -webkit-appearance: square-button; + width: 44px; + height: 23px; + background-color: ButtonFace; + /* Same as native_theme_base. */ + border: 1px #a9a9a9 solid; + padding: 1px 2px; +} + +input[type="color"][list] { + -webkit-appearance: menulist; + width: 88px; + height: 23px +} + +select { + -webkit-appearance: menulist; + box-sizing: border-box; + align-items: center; + border: 1px solid; + white-space: pre; + -webkit-rtl-ordering: logical; + color: black; + background-color: white; + cursor: default; +} + +optgroup { + font-weight: bolder; + display: block; +} + +option { + font-weight: normal; + display: block; + padding: 0 2px 1px 2px; + white-space: pre; + min-height: 1.2em; +} + +output { + display: inline; +} + +/* meter */ + +meter { + -webkit-appearance: meter; + box-sizing: border-box; + display: inline-block; + height: 1em; + width: 5em; + vertical-align: -0.2em; +} + +/* progress */ + +progress { + -webkit-appearance: progress-bar; + box-sizing: border-box; + display: inline-block; + height: 1em; + width: 10em; + vertical-align: -0.2em; +} + +/* inline elements */ + +u, ins { + text-decoration: underline +} + +strong, b { + font-weight: bold +} + +i, cite, em, var, address, dfn { + font-style: italic +} + +tt, code, kbd, samp { + font-family: monospace +} + +pre, xmp, plaintext, listing { + display: block; + font-family: monospace; + white-space: pre; + margin: 1__qem 0 +} + +mark { + background-color: yellow; + color: black +} + +big { + font-size: larger +} + +small { + font-size: smaller +} + +s, strike, del { + text-decoration: line-through +} + +sub { + vertical-align: sub; + font-size: smaller +} + +sup { + vertical-align: super; + font-size: smaller +} + +nobr { + white-space: nowrap +} + +/* states */ + +:focus { + outline: auto 5px -webkit-focus-ring-color +} + +/* Read-only text fields do not show a focus ring but do still receive focus */ +html:focus, body:focus, input[readonly]:focus { + outline: none +} + +embed:focus, iframe:focus, object:focus { + outline: none +} + +input:focus, textarea:focus, select:focus { + outline-offset: -2px +} + +input[type="button"]:focus, +input[type="checkbox"]:focus, +input[type="file"]:focus, +input[type="hidden"]:focus, +input[type="image"]:focus, +input[type="radio"]:focus, +input[type="reset"]:focus, +input[type="search"]:focus, +input[type="submit"]:focus { + outline-offset: 0 +} + +/* HTML5 ruby elements */ + +ruby, rt { + text-indent: 0; /* blocks used for ruby rendering should not trigger this */ +} + +rt { + line-height: normal; + -webkit-text-emphasis: none; +} + +ruby > rt { + display: block; + font-size: 50%; + text-align: start; +} + +ruby > rp { + display: none; +} + +/* other elements */ + +noframes { + display: none +} + +frameset, frame { + display: block +} + +frameset { + border-color: inherit +} + +iframe { + border: 2px inset +} + +details { + display: block +} + +summary { + display: block +} + +template { + display: none +} + +bdi, output { + unicode-bidi: -webkit-isolate; +} + +bdo { + unicode-bidi: bidi-override; +} + +textarea[dir=auto] { + unicode-bidi: -webkit-plaintext; +} + +dialog:not([open]) { + display: none +} + +dialog { + position: absolute; + left: 0; + right: 0; + width: -webkit-fit-content; + height: -webkit-fit-content; + margin: auto; + border: solid; + padding: 1em; + background: white; + color: black +} + +[hidden] { + display: none +} + +/* noscript is handled internally, as it depends on settings. */ + +`; + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/not-implemented.js": +/*!***************************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/not-implemented.js ***! + \***************************************************************************************************/ +/***/ ((module) => { + +"use strict"; + + +module.exports = function (nameForErrorMessage, window) { + if (!window) { + // Do nothing for window-less documents. + return; + } + + const error = new Error(`Not implemented: ${nameForErrorMessage}`); + error.type = "not implemented"; + + window._virtualConsole.emit("jsdomError", error); +}; + + +/***/ }), + +/***/ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/parser/html.js": +/*!***********************************************************************************************!*\ + !*** ./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/browser/parser/html.js ***! + \***********************************************************************************************/ +/***/ ((module, __unused_webpack_exports, __webpack_require__) => { + +"use strict"; + + +const parse5 = __webpack_require__(/*! parse5 */ "./node_modules/@metascraper/helpers/node_modules/parse5/dist/cjs/index.js"); + +const { createElement } = __webpack_require__(/*! ../../living/helpers/create-element */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/helpers/create-element.js"); +const { HTML_NS } = __webpack_require__(/*! ../../living/helpers/namespaces */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/helpers/namespaces.js"); + +const DocumentType = __webpack_require__(/*! ../../living/generated/DocumentType */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/DocumentType.js"); +const DocumentFragment = __webpack_require__(/*! ../../living/generated/DocumentFragment */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/DocumentFragment.js"); +const Text = __webpack_require__(/*! ../../living/generated/Text */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/Text.js"); +const Comment = __webpack_require__(/*! ../../living/generated/Comment */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/generated/Comment.js"); + +const attributes = __webpack_require__(/*! ../../living/attributes */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/attributes.js"); +const nodeTypes = __webpack_require__(/*! ../../living/node-type */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/node-type.js"); + +const serializationAdapter = __webpack_require__(/*! ../../living/domparsing/parse5-adapter-serialization */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/domparsing/parse5-adapter-serialization.js"); +const { + customElementReactionsStack, invokeCEReactions, lookupCEDefinition +} = __webpack_require__(/*! ../../living/helpers/custom-elements */ "./node_modules/@metascraper/helpers/node_modules/jsdom/lib/jsdom/living/helpers/custom-elements.js"); + + +class JSDOMParse5Adapter { + constructor(documentImpl, options = {}) { + this._documentImpl = documentImpl; + this._globalObject = documentImpl._globalObject; + this._fragment = options.fragment || false; + + // Since the createElement hook doesn't provide the parent element, we keep track of this using _currentElement: + // https://github.com/inikulin/parse5/issues/285. + this._currentElement = undefined; + } + + _ownerDocument() { + const { _currentElement } = this; + + // The _currentElement is undefined when parsing elements at the root of the document. + if (_currentElement) { + return _currentElement.localName === "template" && _currentElement.namespaceURI === HTML_NS ? + _currentElement.content._ownerDocument : + _currentElement._ownerDocument; + } + + return this._documentImpl; + } + + createDocument() { + // parse5's model assumes that parse(html) will call into here to create the new Document, then return it. However, + // jsdom's model assumes we can create a Window (and through that create an empty Document), do some other setup + // stuff, and then parse, stuffing nodes into that Document as we go. So to adapt between these two models, we just + // return the already-created Document when asked by parse5 to "create" a Document. + return this._documentImpl; + } + + createDocumentFragment() { + const ownerDocument = this._ownerDocument(); + return DocumentFragment.createImpl(this._globalObject, [], { ownerDocument }); + } + + // https://html.spec.whatwg.org/#create-an-element-for-the-token + createElement(localName, namespace, attrs) { + const ownerDocument = this._ownerDocument(); + + const isAttribute = attrs.find(attr => attr.name === "is"); + const isValue = isAttribute ? isAttribute.value : null; + + const definition = lookupCEDefinition(ownerDocument, namespace, localName); + + let willExecuteScript = false; + if (definition !== null && !this._fragment) { + willExecuteScript = true; + } + + if (willExecuteScript) { + ownerDocument._throwOnDynamicMarkupInsertionCounter++; + customElementReactionsStack.push([]); + } + + const element = createElement(ownerDocument, localName, namespace, null, isValue, willExecuteScript); + this.adoptAttributes(element, attrs); + + if (willExecuteScript) { + const queue = customElementReactionsStack.pop(); + invokeCEReactions(queue); + ownerDocument._throwOnDynamicMarkupInsertionCounter--; + } + + if ("_parserInserted" in element) { + element._parserInserted = true; + } + + return element; + } + + createCommentNode(data) { + const ownerDocument = this._ownerDocument(); + return Comment.createImpl(this._globalObject, [], { data, ownerDocument }); + } + + appendChild(parentNode, newNode) { + parentNode._append(newNode); + } + + insertBefore(parentNode, newNode, referenceNode) { + parentNode._insert(newNode, referenceNode); + } + + setTemplateContent(templateElement, contentFragment) { + // This code makes the glue between jsdom and parse5 HTMLTemplateElement parsing: + // + // * jsdom during the construction of the HTMLTemplateElement (for example when create via + // `document.createElement("template")`), creates a DocumentFragment and set it into _templateContents. + // * parse5 when parsing a