diff --git a/dist/msgpack5.js b/dist/msgpack5.js index b940a57..371e1ab 100644 --- a/dist/msgpack5.js +++ b/dist/msgpack5.js @@ -1,18 +1,18 @@ (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.msgpack5 = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i 0x400000000) { // Timestamp96 @@ -111,7 +111,7 @@ function encode (dt) { encoded.writeUInt32BE(nanos, 1) - var hex = '' + let hex = '' if (seconds >= 0) { const padhex = '0000000000000000' hex = seconds.toString(16) @@ -122,8 +122,8 @@ function encode (dt) { // reverse sign // keep all bits 0 and first 1 from right // reverse all other bits - var bin = (seconds * -1).toString(2) - var i = bin.length - 1 + let bin = (seconds * -1).toString(2) + let i = bin.length - 1 while (bin[i] === '0') { i-- } @@ -147,10 +147,10 @@ function encode (dt) { const encoded = Buffer.allocUnsafe(9) encoded[0] = -1 - var upperNanos = nanos * 4 - var upperSeconds = seconds / Math.pow(2, 32) - var upper = (upperNanos + upperSeconds) & 0xffffffff - var lower = seconds & 0xffffffff + const upperNanos = nanos * 4 + const upperSeconds = seconds / Math.pow(2, 32) + const upper = (upperNanos + upperSeconds) & 0xffffffff + const lower = seconds & 0xffffffff encoded.writeInt32BE(upper, 1) encoded.writeInt32BE(lower, 5) @@ -169,8 +169,11 @@ function check (obj) { } function decode (buf) { - var seconds - var nanoseconds = 0 + let seconds + let nanoseconds = 0 + let upper + let lower + let hex switch (buf.length) { case 4: @@ -181,8 +184,8 @@ function decode (buf) { case 8: // Timestamp 64 stores the number of seconds and nanoseconds that have elapsed // since 1970-01-01 00:00:00 UTC in 32-bit unsigned integers, split 30/34 bits - var upper = buf.readUInt32BE(0) - var lower = buf.readUInt32BE(4) + upper = buf.readUInt32BE(0) + lower = buf.readUInt32BE(4) nanoseconds = upper / 4 seconds = ((upper & 0x03) * Math.pow(2, 32)) + lower // If we use bitwise operators, we get truncated to 32bits break @@ -192,11 +195,11 @@ function decode (buf) { // since 1970-01-01 00:00:00 UTC in 64-bit signed integer and 32-bit unsigned integer // get seconds in hex - var hex = buf.toString('hex', 4, 12) + hex = buf.toString('hex', 4, 12) // check if seconds is a negative number if (parseInt(buf.toString('hex', 4, 6), 16) & 0x80) { // convert to binary - var bin = '' + let bin = '' const pad8 = '00000000' hex.match(/.{1,2}/g).forEach(function (byte) { byte = parseInt(byte, 16).toString(2) @@ -215,7 +218,7 @@ function decode (buf) { nanoseconds = buf.readUInt32BE(0) } - var millis = (seconds * 1000) + Math.round(nanoseconds / 1E6) + const millis = (seconds * 1000) + Math.round(nanoseconds / 1E6) return new Date(millis) } @@ -223,11 +226,11 @@ function decode (buf) { module.exports = { check, type, encode, decode } }).call(this)}).call(this,require("buffer").Buffer) -},{"buffer":14}],3:[function(require,module,exports){ +},{"buffer":17}],3:[function(require,module,exports){ 'use strict' -var bl = require('bl') -var IncompleteBufferError = require('./helpers.js').IncompleteBufferError +const bl = require('bl') +const IncompleteBufferError = require('./helpers.js').IncompleteBufferError const SIZES = { 0xc4: 2, @@ -272,7 +275,7 @@ module.exports = function buildDecode (decodingTypes, options) { buf = bl().append(buf) } - var result = tryDecode(buf, 0) + const result = tryDecode(buf, 0) // Handle worst case ASAP and keep code flat if (!result) throw new IncompleteBufferError() @@ -284,7 +287,7 @@ module.exports = function buildDecode (decodingTypes, options) { if (buf.length <= initialOffset) return null const bufLength = buf.length - initialOffset - var offset = initialOffset + let offset = initialOffset const first = buf.readUInt8(offset) offset += 1 @@ -338,7 +341,7 @@ module.exports = function buildDecode (decodingTypes, options) { if (inRange(0xcc, 0xcf)) return decodeUnsignedInt(buf, offset, size - 1) if (inRange(0xd0, 0xd3)) return decodeSigned(buf, offset, size - 1) if (inRange(0xd4, 0xd8)) { - var type = buf.readInt8(offset) // Signed + const type = buf.readInt8(offset) // Signed offset += 1 return decodeExt(buf, offset, type, size - 2, 2) } @@ -378,12 +381,12 @@ module.exports = function buildDecode (decodingTypes, options) { } function decodeArray (buf, initialOffset, length, headerLength) { - var offset = initialOffset + let offset = initialOffset const result = [] - var i = 0 + let i = 0 while (i++ < length) { - var decodeResult = tryDecode(buf, offset) + const decodeResult = tryDecode(buf, offset) if (!decodeResult) return null result.push(decodeResult[0]) @@ -395,9 +398,9 @@ module.exports = function buildDecode (decodingTypes, options) { function decodeMap (buf, offset, length, headerLength, options) { const _temp = decodeArray(buf, offset, 2 * length, headerLength) if (!_temp) return null - const [ result, consumedBytes ] = _temp + const [result, consumedBytes] = _temp - var isPlainObject = !options.preferMap + let isPlainObject = !options.preferMap if (isPlainObject) { for (let i = 0; i < 2 * length; i += 2) { @@ -442,22 +445,22 @@ module.exports = function buildDecode (decodingTypes, options) { var negate = (buf[offset] & 0x80) == 0x80; // eslint-disable-line if (negate) { - var carry = 1 - for (var i = offset + 7; i >= offset; i--) { - var v = (buf[i] ^ 0xff) + carry + let carry = 1 + for (let i = offset + 7; i >= offset; i--) { + const v = (buf[i] ^ 0xff) + carry buf[i] = v & 0xff carry = v >> 8 } } - var hi = buf.readUInt32BE(offset + 0) - var lo = buf.readUInt32BE(offset + 4) + const hi = buf.readUInt32BE(offset + 0) + const lo = buf.readUInt32BE(offset + 4) return (hi * 4294967296 + lo) * (negate ? -1 : +1) } function decodeUnsignedInt (buf, offset, size) { const maxOffset = offset + size - var result = 0 + let result = 0 while (offset < maxOffset) { result += buf.readUInt8(offset++) * Math.pow(256, maxOffset - offset) } return [result, size + 1] } @@ -469,7 +472,7 @@ module.exports = function buildDecode (decodingTypes, options) { } function decodeSigned (buf, offset, size) { - var result + let result if (size === 1) result = buf.readInt8(offset) if (size === 2) result = buf.readInt16BE(offset) if (size === 4) result = buf.readInt32BE(offset) @@ -478,7 +481,7 @@ module.exports = function buildDecode (decodingTypes, options) { } function decodeFloat (buf, offset, size) { - var result + let result if (size === 4) result = buf.readFloatBE(offset) if (size === 8) result = buf.readDoubleBE(offset) return [result, size + 1] @@ -490,25 +493,25 @@ module.exports = function buildDecode (decodingTypes, options) { const decode = decodingTypes.get(type) if (!decode) throw new Error('unable to find ext type ' + type) - var value = decode(toDecode) + const value = decode(toDecode) return [value, headerSize + size] } } -},{"./helpers.js":5,"bl":12}],4:[function(require,module,exports){ +},{"./helpers.js":5,"bl":15}],4:[function(require,module,exports){ 'use strict' -var Buffer = require('safe-buffer').Buffer -var bl = require('bl') -var isFloat = require('./helpers.js').isFloat +const Buffer = require('safe-buffer').Buffer +const bl = require('bl') +const isFloat = require('./helpers.js').isFloat module.exports = function buildEncode (encodingTypes, options) { function encode (obj) { if (obj === undefined) throw new Error('undefined is not encodable in msgpack!') - if (obj === null) return Buffer.from([ 0xc0 ]) - if (obj === true) return Buffer.from([ 0xc3 ]) - if (obj === false) return Buffer.from([ 0xc2 ]) + if (obj === null) return Buffer.from([0xc0]) + if (obj === true) return Buffer.from([0xc3]) + if (obj === false) return Buffer.from([0xc2]) if (obj instanceof Map) return encodeMap(obj, options, encode) @@ -541,7 +544,7 @@ module.exports = function buildEncode (encodingTypes, options) { // function encodeArray (array, encode) { - const acc = [ getHeader(array.length, 0x90, 0xdc) ] + const acc = [getHeader(array.length, 0x90, 0xdc)] // This has to be forEach; Array.prototype.map preserves missing values and // Array.prototype.values yields them as undefined @@ -557,8 +560,8 @@ function encodeArray (array, encode) { } function encodeMap (map, options, encode) { - const acc = [ getHeader(map.size, 0x80, 0xde) ] - const keys = [ ...map.keys() ] + const acc = [getHeader(map.size, 0x80, 0xde)] + const keys = [...map.keys()] if (!options.preferMap) { if (keys.every(item => typeof item === 'string')) { @@ -573,17 +576,17 @@ function encodeMap (map, options, encode) { } function encodeObject (obj, options, encode) { - var keys = [] + const keys = [] - for (let key in obj) { - if (obj.hasOwnProperty(key) && + for (const key in obj) { + if (Object.prototype.hasOwnProperty.call(obj, key) && obj[key] !== undefined && typeof obj[key] !== 'function') { keys.push(key) } } - const acc = [ getHeader(keys.length, 0x80, 0xde) ] + const acc = [getHeader(keys.length, 0x80, 0xde)] if (options.sortKeys) keys.sort() @@ -595,22 +598,22 @@ function encodeObject (obj, options, encode) { } function write64BitUint (buf, offset, num) { - var lo = num % 4294967296 - var hi = Math.floor(num / 4294967296) + const lo = num % 4294967296 + const hi = Math.floor(num / 4294967296) buf.writeUInt32BE(hi, offset + 0) buf.writeUInt32BE(lo, offset + 4) } function write64BitInt (buf, offset, num) { - var negate = num < 0 + const negate = num < 0 num = Math.abs(num) write64BitUint(buf, offset, num) if (negate) negate64BitInt(buf, offset) } function negate64BitInt (buf, offset) { - var i = offset + 8 + let i = offset + 8 // Optimization based on the fact that: // buf[i] == 0x00 => (buf[i] ^ 0xff) + 1 = 0x100 = 0x00 + 1 curry @@ -629,7 +632,7 @@ function negate64BitInt (buf, offset) { const fround = Math.fround function encodeFloat (obj, forceFloat64) { - var buf + let buf if (forceFloat64 || !fround || !Object.is(fround(obj), obj)) { buf = Buffer.allocUnsafe(9) @@ -650,25 +653,25 @@ function encodeExt (obj, encodingTypes) { const encoded = codec.encode(obj) if (!encoded) return null - return bl([ getExtHeader(encoded.length - 1), encoded ]) + return bl([getExtHeader(encoded.length - 1), encoded]) } function getExtHeader (length) { - if (length === 1) return Buffer.from([ 0xd4 ]) - if (length === 2) return Buffer.from([ 0xd5 ]) - if (length === 4) return Buffer.from([ 0xd6 ]) - if (length === 8) return Buffer.from([ 0xd7 ]) - if (length === 16) return Buffer.from([ 0xd8 ]) + if (length === 1) return Buffer.from([0xd4]) + if (length === 2) return Buffer.from([0xd5]) + if (length === 4) return Buffer.from([0xd6]) + if (length === 8) return Buffer.from([0xd7]) + if (length === 16) return Buffer.from([0xd8]) - if (length < 256) return Buffer.from([ 0xc7, length ]) - if (length < 0x10000) return Buffer.from([ 0xc8, length >> 8, length & 0x00ff ]) - return Buffer.from([ 0xc9, length >> 24, (length >> 16) & 0x000000ff, (length >> 8) & 0x000000ff, length & 0x000000ff ]) + if (length < 256) return Buffer.from([0xc7, length]) + if (length < 0x10000) return Buffer.from([0xc8, length >> 8, length & 0x00ff]) + return Buffer.from([0xc9, length >> 24, (length >> 16) & 0x000000ff, (length >> 8) & 0x000000ff, length & 0x000000ff]) } function getHeader (length, tag1, tag2) { - if (length < 16) return Buffer.from([ tag1 | length ]) + if (length < 16) return Buffer.from([tag1 | length]) const size = length < 0x10000 ? 2 : 4 - var buf = Buffer.allocUnsafe(1 + size) + const buf = Buffer.allocUnsafe(1 + size) buf[0] = length < 0x10000 ? tag2 : tag2 + 1 buf.writeUIntBE(length, 1, size) @@ -677,7 +680,7 @@ function getHeader (length, tag1, tag2) { function encodeString (obj, options) { const len = Buffer.byteLength(obj) - var buf + let buf if (len < 32) { buf = Buffer.allocUnsafe(1 + len) buf[0] = 0xa0 | len @@ -705,7 +708,7 @@ function encodeString (obj, options) { } function getBufferHeader (length) { - var header + let header if (length <= 0xff) { header = Buffer.allocUnsafe(2) header[0] = 0xc4 @@ -724,7 +727,7 @@ function getBufferHeader (length) { } function encodeNumber (obj, options) { - var buf + let buf if (isFloat(obj)) return encodeFloat(obj, options.forceFloat64) if (Math.abs(obj) > 9007199254740991) { return encodeFloat(obj, true) @@ -732,13 +735,13 @@ function encodeNumber (obj, options) { if (obj >= 0) { if (obj < 128) { - return Buffer.from([ obj ]) + return Buffer.from([obj]) } else if (obj < 256) { - return Buffer.from([ 0xcc, obj ]) + return Buffer.from([0xcc, obj]) } else if (obj < 65536) { - return Buffer.from([ 0xcd, 0xff & (obj >> 8), 0xff & (obj) ]) + return Buffer.from([0xcd, 0xff & (obj >> 8), 0xff & (obj)]) } else if (obj <= 0xffffffff) { - return Buffer.from([ 0xce, 0xff & (obj >> 24), 0xff & (obj >> 16), 0xff & (obj >> 8), 0xff & (obj) ]) + return Buffer.from([0xce, 0xff & (obj >> 24), 0xff & (obj >> 16), 0xff & (obj >> 8), 0xff & (obj)]) } else if (obj <= 9007199254740991) { buf = Buffer.allocUnsafe(9) buf[0] = 0xcf @@ -774,10 +777,10 @@ function encodeNumber (obj, options) { // return n // } -},{"./helpers.js":5,"bl":12,"safe-buffer":35}],5:[function(require,module,exports){ +},{"./helpers.js":5,"bl":15,"safe-buffer":53}],5:[function(require,module,exports){ 'use strict' -var util = require('util') +const util = require('util') exports.IncompleteBufferError = IncompleteBufferError @@ -796,12 +799,12 @@ exports.isFloat = function isFloat (n) { return n % 1 !== 0 } -},{"util":40}],6:[function(require,module,exports){ +},{"util":57}],6:[function(require,module,exports){ 'use strict' -var Transform = require('readable-stream').Transform -var inherits = require('inherits') -var bl = require('bl') +const Transform = require('readable-stream').Transform +const inherits = require('inherits') +const bl = require('bl') function Base (opts) { opts = opts || {} @@ -830,7 +833,7 @@ function Encoder (opts) { inherits(Encoder, Base) Encoder.prototype._transform = function (obj, enc, done) { - var buf = null + let buf = null try { buf = this._msgpack.encode(this._wrap ? obj.value : obj).slice(0) @@ -864,9 +867,9 @@ Decoder.prototype._transform = function (buf, enc, done) { } try { - var result = this._msgpack.decode(this._chunks) + let result = this._msgpack.decode(this._chunks) if (this._wrap) { - result = {value: result} + result = { value: result } } this.push(result) } catch (err) { @@ -888,7 +891,34 @@ Decoder.prototype._transform = function (buf, enc, done) { module.exports.decoder = Decoder module.exports.encoder = Encoder -},{"bl":12,"inherits":18,"readable-stream":34}],7:[function(require,module,exports){ +},{"bl":15,"inherits":30,"readable-stream":52}],7:[function(require,module,exports){ + +/** + * Array#filter. + * + * @param {Array} arr + * @param {Function} fn + * @param {Object=} self + * @return {Array} + * @throw TypeError + */ + +module.exports = function (arr, fn, self) { + if (arr.filter) return arr.filter(fn, self); + if (void 0 === arr || null === arr) throw new TypeError; + if ('function' != typeof fn) throw new TypeError; + var ret = []; + for (var i = 0; i < arr.length; i++) { + if (!hasOwn.call(arr, i)) continue; + var val = arr[i]; + if (fn.call(self, val, i, arr)) ret.push(val); + } + return ret; +}; + +var hasOwn = Object.prototype.hasOwnProperty; + +},{}],8:[function(require,module,exports){ (function (global){(function (){ 'use strict'; @@ -1398,7 +1428,7 @@ var objectKeys = Object.keys || function (obj) { }; }).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"object-assign":21,"util/":10}],8:[function(require,module,exports){ +},{"object-assign":34,"util/":11}],9:[function(require,module,exports){ if (typeof Object.create === 'function') { // implementation from standard node.js 'util' module module.exports = function inherits(ctor, superCtor) { @@ -1423,14 +1453,14 @@ if (typeof Object.create === 'function') { } } -},{}],9:[function(require,module,exports){ +},{}],10:[function(require,module,exports){ module.exports = function isBuffer(arg) { return arg && typeof arg === 'object' && typeof arg.copy === 'function' && typeof arg.fill === 'function' && typeof arg.readUInt8 === 'function'; } -},{}],10:[function(require,module,exports){ +},{}],11:[function(require,module,exports){ (function (process,global){(function (){ // Copyright Joyent, Inc. and other Node contributors. // @@ -2020,7 +2050,32 @@ function hasOwnProperty(obj, prop) { } }).call(this)}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"./support/isBuffer":9,"_process":23,"inherits":8}],11:[function(require,module,exports){ +},{"./support/isBuffer":10,"_process":35,"inherits":9}],12:[function(require,module,exports){ +(function (global){(function (){ +'use strict'; + +var filter = require('array-filter'); + +module.exports = function availableTypedArrays() { + return filter([ + 'BigInt64Array', + 'BigUint64Array', + 'Float32Array', + 'Float64Array', + 'Int16Array', + 'Int32Array', + 'Int8Array', + 'Uint16Array', + 'Uint32Array', + 'Uint8Array', + 'Uint8ClampedArray' + ], function (typedArray) { + return typeof global[typedArray] === 'function'; + }); +}; + +}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"array-filter":7}],13:[function(require,module,exports){ 'use strict' exports.byteLength = byteLength @@ -2172,173 +2227,119 @@ function fromByteArray (uint8) { return parts.join('') } -},{}],12:[function(require,module,exports){ +},{}],14:[function(require,module,exports){ 'use strict' -var DuplexStream = require('readable-stream').Duplex - , util = require('util') - , Buffer = require('safe-buffer').Buffer - -function BufferList (callback) { - if (!(this instanceof BufferList)) - return new BufferList(callback) - this._bufs = [] - this.length = 0 - - if (typeof callback == 'function') { - this._callback = callback - - var piper = function piper (err) { - if (this._callback) { - this._callback(err) - this._callback = null - } - }.bind(this) +const { Buffer } = require('buffer') +const symbol = Symbol.for('BufferList') - this.on('pipe', function onPipe (src) { - src.on('error', piper) - }) - this.on('unpipe', function onUnpipe (src) { - src.removeListener('error', piper) - }) - } else { - this.append(callback) +function BufferList (buf) { + if (!(this instanceof BufferList)) { + return new BufferList(buf) } - DuplexStream.call(this) + BufferList._init.call(this, buf) } +BufferList._init = function _init (buf) { + Object.defineProperty(this, symbol, { value: true }) -util.inherits(BufferList, DuplexStream) - + this._bufs = [] + this.length = 0 -BufferList.prototype._offset = function _offset (offset) { - var tot = 0, i = 0, _t - if (offset === 0) return [ 0, 0 ] - for (; i < this._bufs.length; i++) { - _t = tot + this._bufs[i].length - if (offset < _t || i == this._bufs.length - 1) { - return [ i, offset - tot ] - } - tot = _t + if (buf) { + this.append(buf) } } -BufferList.prototype._reverseOffset = function (blOffset) { - var bufferId = blOffset[0] - var offset = blOffset[1] - for (var i = 0; i < bufferId; i++) { - offset += this._bufs[i].length - } - return offset +BufferList.prototype._new = function _new (buf) { + return new BufferList(buf) } -BufferList.prototype.append = function append (buf) { - var i = 0 - - if (Buffer.isBuffer(buf)) { - this._appendBuffer(buf) - } else if (Array.isArray(buf)) { - for (; i < buf.length; i++) - this.append(buf[i]) - } else if (buf instanceof BufferList) { - // unwrap argument into individual BufferLists - for (; i < buf._bufs.length; i++) - this.append(buf._bufs[i]) - } else if (buf != null) { - // coerce number arguments to strings, since Buffer(number) does - // uninitialized memory allocation - if (typeof buf == 'number') - buf = buf.toString() - - this._appendBuffer(Buffer.from(buf)) +BufferList.prototype._offset = function _offset (offset) { + if (offset === 0) { + return [0, 0] } - return this -} - - -BufferList.prototype._appendBuffer = function appendBuffer (buf) { - this._bufs.push(buf) - this.length += buf.length -} - - -BufferList.prototype._write = function _write (buf, encoding, callback) { - this._appendBuffer(buf) - - if (typeof callback == 'function') - callback() -} - - -BufferList.prototype._read = function _read (size) { - if (!this.length) - return this.push(null) + let tot = 0 - size = Math.min(size, this.length) - this.push(this.slice(0, size)) - this.consume(size) + for (let i = 0; i < this._bufs.length; i++) { + const _t = tot + this._bufs[i].length + if (offset < _t || i === this._bufs.length - 1) { + return [i, offset - tot] + } + tot = _t + } } +BufferList.prototype._reverseOffset = function (blOffset) { + const bufferId = blOffset[0] + let offset = blOffset[1] -BufferList.prototype.end = function end (chunk) { - DuplexStream.prototype.end.call(this, chunk) - - if (this._callback) { - this._callback(null, this.slice()) - this._callback = null + for (let i = 0; i < bufferId; i++) { + offset += this._bufs[i].length } -} + return offset +} BufferList.prototype.get = function get (index) { if (index > this.length || index < 0) { return undefined } - var offset = this._offset(index) + + const offset = this._offset(index) + return this._bufs[offset[0]][offset[1]] } - BufferList.prototype.slice = function slice (start, end) { - if (typeof start == 'number' && start < 0) + if (typeof start === 'number' && start < 0) { start += this.length - if (typeof end == 'number' && end < 0) + } + + if (typeof end === 'number' && end < 0) { end += this.length + } + return this.copy(null, 0, start, end) } - BufferList.prototype.copy = function copy (dst, dstStart, srcStart, srcEnd) { - if (typeof srcStart != 'number' || srcStart < 0) + if (typeof srcStart !== 'number' || srcStart < 0) { srcStart = 0 - if (typeof srcEnd != 'number' || srcEnd > this.length) + } + + if (typeof srcEnd !== 'number' || srcEnd > this.length) { srcEnd = this.length - if (srcStart >= this.length) + } + + if (srcStart >= this.length) { return dst || Buffer.alloc(0) - if (srcEnd <= 0) + } + + if (srcEnd <= 0) { return dst || Buffer.alloc(0) + } - var copy = !!dst - , off = this._offset(srcStart) - , len = srcEnd - srcStart - , bytes = len - , bufoff = (copy && dstStart) || 0 - , start = off[1] - , l - , i + const copy = !!dst + const off = this._offset(srcStart) + const len = srcEnd - srcStart + let bytes = len + let bufoff = (copy && dstStart) || 0 + let start = off[1] // copy/slice everything - if (srcStart === 0 && srcEnd == this.length) { - if (!copy) { // slice, but full concat if multiple buffers + if (srcStart === 0 && srcEnd === this.length) { + if (!copy) { + // slice, but full concat if multiple buffers return this._bufs.length === 1 ? this._bufs[0] : Buffer.concat(this._bufs, this.length) } // copy, need to copy individual buffers - for (i = 0; i < this._bufs.length; i++) { + for (let i = 0; i < this._bufs.length; i++) { this._bufs[i].copy(dst, bufoff) bufoff += this._bufs[i].length } @@ -2353,11 +2354,13 @@ BufferList.prototype.copy = function copy (dst, dstStart, srcStart, srcEnd) { : this._bufs[off[0]].slice(start, start + bytes) } - if (!copy) // a slice, we need something to copy in to + if (!copy) { + // a slice, we need something to copy in to dst = Buffer.allocUnsafe(len) + } - for (i = off[0]; i < this._bufs.length; i++) { - l = this._bufs[i].length - start + for (let i = off[0]; i < this._bufs.length; i++) { + const l = this._bufs[i].length - start if (bytes > l) { this._bufs[i].copy(dst, bufoff, start) @@ -2370,8 +2373,9 @@ BufferList.prototype.copy = function copy (dst, dstStart, srcStart, srcEnd) { bytes -= l - if (start) + if (start) { start = 0 + } } // safeguard so that we don't return uninitialized memory @@ -2384,27 +2388,33 @@ BufferList.prototype.shallowSlice = function shallowSlice (start, end) { start = start || 0 end = typeof end !== 'number' ? this.length : end - if (start < 0) + if (start < 0) { start += this.length - if (end < 0) + } + + if (end < 0) { end += this.length + } if (start === end) { - return new BufferList() + return this._new() } - var startOffset = this._offset(start) - , endOffset = this._offset(end) - , buffers = this._bufs.slice(startOffset[0], endOffset[0] + 1) - if (endOffset[1] == 0) + const startOffset = this._offset(start) + const endOffset = this._offset(end) + const buffers = this._bufs.slice(startOffset[0], endOffset[0] + 1) + + if (endOffset[1] === 0) { buffers.pop() - else - buffers[buffers.length-1] = buffers[buffers.length-1].slice(0, endOffset[1]) + } else { + buffers[buffers.length - 1] = buffers[buffers.length - 1].slice(0, endOffset[1]) + } - if (startOffset[1] != 0) + if (startOffset[1] !== 0) { buffers[0] = buffers[0].slice(startOffset[1]) + } - return new BufferList(buffers) + return this._new(buffers) } BufferList.prototype.toString = function toString (encoding, start, end) { @@ -2428,46 +2438,77 @@ BufferList.prototype.consume = function consume (bytes) { break } } + return this } - BufferList.prototype.duplicate = function duplicate () { - var i = 0 - , copy = new BufferList() + const copy = this._new() - for (; i < this._bufs.length; i++) + for (let i = 0; i < this._bufs.length; i++) { copy.append(this._bufs[i]) + } return copy } +BufferList.prototype.append = function append (buf) { + if (buf == null) { + return this + } + + if (buf.buffer) { + // append a view of the underlying ArrayBuffer + this._appendBuffer(Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength)) + } else if (Array.isArray(buf)) { + for (let i = 0; i < buf.length; i++) { + this.append(buf[i]) + } + } else if (this._isBufferList(buf)) { + // unwrap argument into individual BufferLists + for (let i = 0; i < buf._bufs.length; i++) { + this.append(buf._bufs[i]) + } + } else { + // coerce number arguments to strings, since Buffer(number) does + // uninitialized memory allocation + if (typeof buf === 'number') { + buf = buf.toString() + } -BufferList.prototype.destroy = function destroy () { - this._bufs.length = 0 - this.length = 0 - this.push(null) + this._appendBuffer(Buffer.from(buf)) + } + + return this } +BufferList.prototype._appendBuffer = function appendBuffer (buf) { + this._bufs.push(buf) + this.length += buf.length +} BufferList.prototype.indexOf = function (search, offset, encoding) { if (encoding === undefined && typeof offset === 'string') { encoding = offset offset = undefined } + if (typeof search === 'function' || Array.isArray(search)) { throw new TypeError('The "value" argument must be one of type string, Buffer, BufferList, or Uint8Array.') } else if (typeof search === 'number') { - search = Buffer.from([search]) + search = Buffer.from([search]) } else if (typeof search === 'string') { search = Buffer.from(search, encoding) - } else if (search instanceof BufferList) { + } else if (this._isBufferList(search)) { search = search.slice() + } else if (Array.isArray(search.buffer)) { + search = Buffer.from(search.buffer, search.byteOffset, search.byteLength) } else if (!Buffer.isBuffer(search)) { search = Buffer.from(search) } offset = Number(offset || 0) + if (isNaN(offset)) { offset = 0 } @@ -2484,78 +2525,85 @@ BufferList.prototype.indexOf = function (search, offset, encoding) { return offset > this.length ? this.length : offset } - var blOffset = this._offset(offset) - var blIndex = blOffset[0] // index of which internal buffer we're working on - var buffOffset = blOffset[1] // offset of the internal buffer we're working on + const blOffset = this._offset(offset) + let blIndex = blOffset[0] // index of which internal buffer we're working on + let buffOffset = blOffset[1] // offset of the internal buffer we're working on // scan over each buffer - for (blIndex; blIndex < this._bufs.length; blIndex++) { - var buff = this._bufs[blIndex] - while(buffOffset < buff.length) { - var availableWindow = buff.length - buffOffset + for (; blIndex < this._bufs.length; blIndex++) { + const buff = this._bufs[blIndex] + + while (buffOffset < buff.length) { + const availableWindow = buff.length - buffOffset + if (availableWindow >= search.length) { - var nativeSearchResult = buff.indexOf(search, buffOffset) + const nativeSearchResult = buff.indexOf(search, buffOffset) + if (nativeSearchResult !== -1) { return this._reverseOffset([blIndex, nativeSearchResult]) } + buffOffset = buff.length - search.length + 1 // end of native search window } else { - var revOffset = this._reverseOffset([blIndex, buffOffset]) + const revOffset = this._reverseOffset([blIndex, buffOffset]) + if (this._match(revOffset, search)) { return revOffset } + buffOffset++ } } + buffOffset = 0 } + return -1 } -BufferList.prototype._match = function(offset, search) { +BufferList.prototype._match = function (offset, search) { if (this.length - offset < search.length) { return false } - for (var searchOffset = 0; searchOffset < search.length ; searchOffset++) { - if(this.get(offset + searchOffset) !== search[searchOffset]){ + + for (let searchOffset = 0; searchOffset < search.length; searchOffset++) { + if (this.get(offset + searchOffset) !== search[searchOffset]) { return false } } return true } - ;(function () { - var methods = { - 'readDoubleBE' : 8 - , 'readDoubleLE' : 8 - , 'readFloatBE' : 4 - , 'readFloatLE' : 4 - , 'readInt32BE' : 4 - , 'readInt32LE' : 4 - , 'readUInt32BE' : 4 - , 'readUInt32LE' : 4 - , 'readInt16BE' : 2 - , 'readInt16LE' : 2 - , 'readUInt16BE' : 2 - , 'readUInt16LE' : 2 - , 'readInt8' : 1 - , 'readUInt8' : 1 - , 'readIntBE' : null - , 'readIntLE' : null - , 'readUIntBE' : null - , 'readUIntLE' : null - } - - for (var m in methods) { + const methods = { + readDoubleBE: 8, + readDoubleLE: 8, + readFloatBE: 4, + readFloatLE: 4, + readInt32BE: 4, + readInt32LE: 4, + readUInt32BE: 4, + readUInt32LE: 4, + readInt16BE: 2, + readInt16LE: 2, + readUInt16BE: 2, + readUInt16LE: 2, + readInt8: 1, + readUInt8: 1, + readIntBE: null, + readIntLE: null, + readUIntBE: null, + readUIntLE: null + } + + for (const m in methods) { (function (m) { if (methods[m] === null) { BufferList.prototype[m] = function (offset, byteLength) { return this.slice(offset, offset + byteLength)[m](0, byteLength) } - } - else { - BufferList.prototype[m] = function (offset) { + } else { + BufferList.prototype[m] = function (offset = 0) { return this.slice(offset, offset + methods[m])[m](0) } } @@ -2563,12 +2611,109 @@ BufferList.prototype._match = function(offset, search) { } }()) +// Used internally by the class and also as an indicator of this object being +// a `BufferList`. It's not possible to use `instanceof BufferList` in a browser +// environment because there could be multiple different copies of the +// BufferList class and some `BufferList`s might be `BufferList`s. +BufferList.prototype._isBufferList = function _isBufferList (b) { + return b instanceof BufferList || BufferList.isBufferList(b) +} + +BufferList.isBufferList = function isBufferList (b) { + return b != null && b[symbol] +} module.exports = BufferList -},{"readable-stream":34,"safe-buffer":35,"util":40}],13:[function(require,module,exports){ +},{"buffer":17}],15:[function(require,module,exports){ +'use strict' + +const DuplexStream = require('readable-stream').Duplex +const inherits = require('inherits') +const BufferList = require('./BufferList') -},{}],14:[function(require,module,exports){ +function BufferListStream (callback) { + if (!(this instanceof BufferListStream)) { + return new BufferListStream(callback) + } + + if (typeof callback === 'function') { + this._callback = callback + + const piper = function piper (err) { + if (this._callback) { + this._callback(err) + this._callback = null + } + }.bind(this) + + this.on('pipe', function onPipe (src) { + src.on('error', piper) + }) + this.on('unpipe', function onUnpipe (src) { + src.removeListener('error', piper) + }) + + callback = null + } + + BufferList._init.call(this, callback) + DuplexStream.call(this) +} + +inherits(BufferListStream, DuplexStream) +Object.assign(BufferListStream.prototype, BufferList.prototype) + +BufferListStream.prototype._new = function _new (callback) { + return new BufferListStream(callback) +} + +BufferListStream.prototype._write = function _write (buf, encoding, callback) { + this._appendBuffer(buf) + + if (typeof callback === 'function') { + callback() + } +} + +BufferListStream.prototype._read = function _read (size) { + if (!this.length) { + return this.push(null) + } + + size = Math.min(size, this.length) + this.push(this.slice(0, size)) + this.consume(size) +} + +BufferListStream.prototype.end = function end (chunk) { + DuplexStream.prototype.end.call(this, chunk) + + if (this._callback) { + this._callback(null, this.slice()) + this._callback = null + } +} + +BufferListStream.prototype._destroy = function _destroy (err, cb) { + this._bufs.length = 0 + this.length = 0 + cb(err) +} + +BufferListStream.prototype._isBufferList = function _isBufferList (b) { + return b instanceof BufferListStream || b instanceof BufferList || BufferListStream.isBufferList(b) +} + +BufferListStream.isBufferList = BufferList.isBufferList + +module.exports = BufferListStream +module.exports.BufferListStream = BufferListStream +module.exports.BufferList = BufferList + +},{"./BufferList":14,"inherits":30,"readable-stream":52}],16:[function(require,module,exports){ + +},{}],17:[function(require,module,exports){ (function (Buffer){(function (){ /*! * The buffer module from node.js, for the browser. @@ -4349,118 +4494,90 @@ function numberIsNaN (obj) { } }).call(this)}).call(this,require("buffer").Buffer) -},{"base64-js":11,"buffer":14,"ieee754":17}],15:[function(require,module,exports){ -(function (Buffer){(function (){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. +},{"base64-js":13,"buffer":17,"ieee754":29}],18:[function(require,module,exports){ +'use strict'; -// NOTE: These type checking functions intentionally don't use `instanceof` -// because it is fragile and can be easily faked with `Object.create()`. +var GetIntrinsic = require('get-intrinsic'); -function isArray(arg) { - if (Array.isArray) { - return Array.isArray(arg); - } - return objectToString(arg) === '[object Array]'; -} -exports.isArray = isArray; +var callBind = require('./'); -function isBoolean(arg) { - return typeof arg === 'boolean'; -} -exports.isBoolean = isBoolean; +var $indexOf = callBind(GetIntrinsic('String.prototype.indexOf')); -function isNull(arg) { - return arg === null; -} -exports.isNull = isNull; +module.exports = function callBoundIntrinsic(name, allowMissing) { + var intrinsic = GetIntrinsic(name, !!allowMissing); + if (typeof intrinsic === 'function' && $indexOf(name, '.prototype.') > -1) { + return callBind(intrinsic); + } + return intrinsic; +}; -function isNullOrUndefined(arg) { - return arg == null; -} -exports.isNullOrUndefined = isNullOrUndefined; +},{"./":19,"get-intrinsic":25}],19:[function(require,module,exports){ +'use strict'; -function isNumber(arg) { - return typeof arg === 'number'; -} -exports.isNumber = isNumber; +var bind = require('function-bind'); +var GetIntrinsic = require('get-intrinsic'); -function isString(arg) { - return typeof arg === 'string'; -} -exports.isString = isString; +var $apply = GetIntrinsic('%Function.prototype.apply%'); +var $call = GetIntrinsic('%Function.prototype.call%'); +var $reflectApply = GetIntrinsic('%Reflect.apply%', true) || bind.call($call, $apply); -function isSymbol(arg) { - return typeof arg === 'symbol'; -} -exports.isSymbol = isSymbol; +var $gOPD = GetIntrinsic('%Object.getOwnPropertyDescriptor%', true); +var $defineProperty = GetIntrinsic('%Object.defineProperty%', true); +var $max = GetIntrinsic('%Math.max%'); -function isUndefined(arg) { - return arg === void 0; +if ($defineProperty) { + try { + $defineProperty({}, 'a', { value: 1 }); + } catch (e) { + // IE 8 has a broken defineProperty + $defineProperty = null; + } } -exports.isUndefined = isUndefined; -function isRegExp(re) { - return objectToString(re) === '[object RegExp]'; -} -exports.isRegExp = isRegExp; +module.exports = function callBind(originalFunction) { + var func = $reflectApply(bind, $call, arguments); + if ($gOPD && $defineProperty) { + var desc = $gOPD(func, 'length'); + if (desc.configurable) { + // original length, plus the receiver, minus any additional arguments (after the receiver) + $defineProperty( + func, + 'length', + { value: 1 + $max(0, originalFunction.length - (arguments.length - 1)) } + ); + } + } + return func; +}; -function isObject(arg) { - return typeof arg === 'object' && arg !== null; -} -exports.isObject = isObject; +var applyBind = function applyBind() { + return $reflectApply(bind, $apply, arguments); +}; -function isDate(d) { - return objectToString(d) === '[object Date]'; +if ($defineProperty) { + $defineProperty(module.exports, 'apply', { value: applyBind }); +} else { + module.exports.apply = applyBind; } -exports.isDate = isDate; -function isError(e) { - return (objectToString(e) === '[object Error]' || e instanceof Error); -} -exports.isError = isError; +},{"function-bind":24,"get-intrinsic":25}],20:[function(require,module,exports){ +'use strict'; -function isFunction(arg) { - return typeof arg === 'function'; -} -exports.isFunction = isFunction; +var GetIntrinsic = require('get-intrinsic'); -function isPrimitive(arg) { - return arg === null || - typeof arg === 'boolean' || - typeof arg === 'number' || - typeof arg === 'string' || - typeof arg === 'symbol' || // ES6 symbol - typeof arg === 'undefined'; +var $gOPD = GetIntrinsic('%Object.getOwnPropertyDescriptor%'); +if ($gOPD) { + try { + $gOPD([], 'length'); + } catch (e) { + // IE 8 has a broken gOPD + $gOPD = null; + } } -exports.isPrimitive = isPrimitive; -exports.isBuffer = Buffer.isBuffer; +module.exports = $gOPD; -function objectToString(o) { - return Object.prototype.toString.call(o); -} - -}).call(this)}).call(this,{"isBuffer":require("../../is-buffer/index.js")}) -},{"../../is-buffer/index.js":19}],16:[function(require,module,exports){ +},{"get-intrinsic":25}],21:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a @@ -4482,182 +4599,143 @@ function objectToString(o) { // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. -var objectCreate = Object.create || objectCreatePolyfill -var objectKeys = Object.keys || objectKeysPolyfill -var bind = Function.prototype.bind || functionBindPolyfill +'use strict'; -function EventEmitter() { - if (!this._events || !Object.prototype.hasOwnProperty.call(this, '_events')) { - this._events = objectCreate(null); - this._eventsCount = 0; +var R = typeof Reflect === 'object' ? Reflect : null +var ReflectApply = R && typeof R.apply === 'function' + ? R.apply + : function ReflectApply(target, receiver, args) { + return Function.prototype.apply.call(target, receiver, args); } - this._maxListeners = this._maxListeners || undefined; +var ReflectOwnKeys +if (R && typeof R.ownKeys === 'function') { + ReflectOwnKeys = R.ownKeys +} else if (Object.getOwnPropertySymbols) { + ReflectOwnKeys = function ReflectOwnKeys(target) { + return Object.getOwnPropertyNames(target) + .concat(Object.getOwnPropertySymbols(target)); + }; +} else { + ReflectOwnKeys = function ReflectOwnKeys(target) { + return Object.getOwnPropertyNames(target); + }; +} + +function ProcessEmitWarning(warning) { + if (console && console.warn) console.warn(warning); +} + +var NumberIsNaN = Number.isNaN || function NumberIsNaN(value) { + return value !== value; +} + +function EventEmitter() { + EventEmitter.init.call(this); } module.exports = EventEmitter; +module.exports.once = once; // Backwards-compat with node 0.10.x EventEmitter.EventEmitter = EventEmitter; EventEmitter.prototype._events = undefined; +EventEmitter.prototype._eventsCount = 0; EventEmitter.prototype._maxListeners = undefined; // By default EventEmitters will print a warning if more than 10 listeners are // added to it. This is a useful default which helps finding memory leaks. var defaultMaxListeners = 10; -var hasDefineProperty; -try { - var o = {}; - if (Object.defineProperty) Object.defineProperty(o, 'x', { value: 0 }); - hasDefineProperty = o.x === 0; -} catch (err) { hasDefineProperty = false } -if (hasDefineProperty) { - Object.defineProperty(EventEmitter, 'defaultMaxListeners', { - enumerable: true, - get: function() { - return defaultMaxListeners; - }, - set: function(arg) { - // check whether the input is a positive number (whose value is zero or - // greater and not a NaN). - if (typeof arg !== 'number' || arg < 0 || arg !== arg) - throw new TypeError('"defaultMaxListeners" must be a positive number'); - defaultMaxListeners = arg; - } - }); -} else { - EventEmitter.defaultMaxListeners = defaultMaxListeners; +function checkListener(listener) { + if (typeof listener !== 'function') { + throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener); + } } +Object.defineProperty(EventEmitter, 'defaultMaxListeners', { + enumerable: true, + get: function() { + return defaultMaxListeners; + }, + set: function(arg) { + if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) { + throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' + arg + '.'); + } + defaultMaxListeners = arg; + } +}); + +EventEmitter.init = function() { + + if (this._events === undefined || + this._events === Object.getPrototypeOf(this)._events) { + this._events = Object.create(null); + this._eventsCount = 0; + } + + this._maxListeners = this._maxListeners || undefined; +}; + // Obviously not all Emitters should be limited to 10. This function allows // that to be increased. Set to zero for unlimited. EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) { - if (typeof n !== 'number' || n < 0 || isNaN(n)) - throw new TypeError('"n" argument must be a positive number'); + if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) { + throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + '.'); + } this._maxListeners = n; return this; }; -function $getMaxListeners(that) { +function _getMaxListeners(that) { if (that._maxListeners === undefined) return EventEmitter.defaultMaxListeners; return that._maxListeners; } EventEmitter.prototype.getMaxListeners = function getMaxListeners() { - return $getMaxListeners(this); + return _getMaxListeners(this); }; -// These standalone emit* functions are used to optimize calling of event -// handlers for fast cases because emit() itself often has a variable number of -// arguments and can be deoptimized because of that. These functions always have -// the same number of arguments and thus do not get deoptimized, so the code -// inside them can execute faster. -function emitNone(handler, isFn, self) { - if (isFn) - handler.call(self); - else { - var len = handler.length; - var listeners = arrayClone(handler, len); - for (var i = 0; i < len; ++i) - listeners[i].call(self); - } -} -function emitOne(handler, isFn, self, arg1) { - if (isFn) - handler.call(self, arg1); - else { - var len = handler.length; - var listeners = arrayClone(handler, len); - for (var i = 0; i < len; ++i) - listeners[i].call(self, arg1); - } -} -function emitTwo(handler, isFn, self, arg1, arg2) { - if (isFn) - handler.call(self, arg1, arg2); - else { - var len = handler.length; - var listeners = arrayClone(handler, len); - for (var i = 0; i < len; ++i) - listeners[i].call(self, arg1, arg2); - } -} -function emitThree(handler, isFn, self, arg1, arg2, arg3) { - if (isFn) - handler.call(self, arg1, arg2, arg3); - else { - var len = handler.length; - var listeners = arrayClone(handler, len); - for (var i = 0; i < len; ++i) - listeners[i].call(self, arg1, arg2, arg3); - } -} - -function emitMany(handler, isFn, self, args) { - if (isFn) - handler.apply(self, args); - else { - var len = handler.length; - var listeners = arrayClone(handler, len); - for (var i = 0; i < len; ++i) - listeners[i].apply(self, args); - } -} - EventEmitter.prototype.emit = function emit(type) { - var er, handler, len, args, i, events; + var args = []; + for (var i = 1; i < arguments.length; i++) args.push(arguments[i]); var doError = (type === 'error'); - events = this._events; - if (events) - doError = (doError && events.error == null); + var events = this._events; + if (events !== undefined) + doError = (doError && events.error === undefined); else if (!doError) return false; // If there is no 'error' event listener then throw. if (doError) { - if (arguments.length > 1) - er = arguments[1]; + var er; + if (args.length > 0) + er = args[0]; if (er instanceof Error) { + // Note: The comments on the `throw` lines are intentional, they show + // up in Node's output if this results in an unhandled exception. throw er; // Unhandled 'error' event - } else { - // At least give some kind of context to the user - var err = new Error('Unhandled "error" event. (' + er + ')'); - err.context = er; - throw err; } - return false; + // At least give some kind of context to the user + var err = new Error('Unhandled error.' + (er ? ' (' + er.message + ')' : '')); + err.context = er; + throw err; // Unhandled 'error' event } - handler = events[type]; + var handler = events[type]; - if (!handler) + if (handler === undefined) return false; - var isFn = typeof handler === 'function'; - len = arguments.length; - switch (len) { - // fast cases - case 1: - emitNone(handler, isFn, this); - break; - case 2: - emitOne(handler, isFn, this, arguments[1]); - break; - case 3: - emitTwo(handler, isFn, this, arguments[1], arguments[2]); - break; - case 4: - emitThree(handler, isFn, this, arguments[1], arguments[2], arguments[3]); - break; - // slower - default: - args = new Array(len - 1); - for (i = 1; i < len; i++) - args[i - 1] = arguments[i]; - emitMany(handler, isFn, this, args); + if (typeof handler === 'function') { + ReflectApply(handler, this, args); + } else { + var len = handler.length; + var listeners = arrayClone(handler, len); + for (var i = 0; i < len; ++i) + ReflectApply(listeners[i], this, args); } return true; @@ -4668,19 +4746,18 @@ function _addListener(target, type, listener, prepend) { var events; var existing; - if (typeof listener !== 'function') - throw new TypeError('"listener" argument must be a function'); + checkListener(listener); events = target._events; - if (!events) { - events = target._events = objectCreate(null); + if (events === undefined) { + events = target._events = Object.create(null); target._eventsCount = 0; } else { // To avoid recursion in the case that type === "newListener"! Before // adding it to the listeners, first emit "newListener". - if (events.newListener) { + if (events.newListener !== undefined) { target.emit('newListener', type, - listener.listener ? listener.listener : listener); + listener.listener ? listener.listener : listener); // Re-assign `events` because a newListener handler could have caused the // this._events to be assigned to a new object @@ -4689,7 +4766,7 @@ function _addListener(target, type, listener, prepend) { existing = events[type]; } - if (!existing) { + if (existing === undefined) { // Optimize the case of one listener. Don't need the extra array object. existing = events[type] = listener; ++target._eventsCount; @@ -4697,33 +4774,29 @@ function _addListener(target, type, listener, prepend) { if (typeof existing === 'function') { // Adding the second element, need to change to array. existing = events[type] = - prepend ? [listener, existing] : [existing, listener]; - } else { + prepend ? [listener, existing] : [existing, listener]; // If we've already got an array, just append. - if (prepend) { - existing.unshift(listener); - } else { - existing.push(listener); - } + } else if (prepend) { + existing.unshift(listener); + } else { + existing.push(listener); } // Check for listener leak - if (!existing.warned) { - m = $getMaxListeners(target); - if (m && m > 0 && existing.length > m) { - existing.warned = true; - var w = new Error('Possible EventEmitter memory leak detected. ' + - existing.length + ' "' + String(type) + '" listeners ' + - 'added. Use emitter.setMaxListeners() to ' + - 'increase limit.'); - w.name = 'MaxListenersExceededWarning'; - w.emitter = target; - w.type = type; - w.count = existing.length; - if (typeof console === 'object' && console.warn) { - console.warn('%s: %s', w.name, w.message); - } - } + m = _getMaxListeners(target); + if (m > 0 && existing.length > m && !existing.warned) { + existing.warned = true; + // No error code for this since it is a Warning + // eslint-disable-next-line no-restricted-syntax + var w = new Error('Possible EventEmitter memory leak detected. ' + + existing.length + ' ' + String(type) + ' listeners ' + + 'added. Use emitter.setMaxListeners() to ' + + 'increase limit'); + w.name = 'MaxListenersExceededWarning'; + w.emitter = target; + w.type = type; + w.count = existing.length; + ProcessEmitWarning(w); } } @@ -4745,44 +4818,29 @@ function onceWrapper() { if (!this.fired) { this.target.removeListener(this.type, this.wrapFn); this.fired = true; - switch (arguments.length) { - case 0: - return this.listener.call(this.target); - case 1: - return this.listener.call(this.target, arguments[0]); - case 2: - return this.listener.call(this.target, arguments[0], arguments[1]); - case 3: - return this.listener.call(this.target, arguments[0], arguments[1], - arguments[2]); - default: - var args = new Array(arguments.length); - for (var i = 0; i < args.length; ++i) - args[i] = arguments[i]; - this.listener.apply(this.target, args); - } + if (arguments.length === 0) + return this.listener.call(this.target); + return this.listener.apply(this.target, arguments); } } function _onceWrap(target, type, listener) { var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener }; - var wrapped = bind.call(onceWrapper, state); + var wrapped = onceWrapper.bind(state); wrapped.listener = listener; state.wrapFn = wrapped; return wrapped; } EventEmitter.prototype.once = function once(type, listener) { - if (typeof listener !== 'function') - throw new TypeError('"listener" argument must be a function'); + checkListener(listener); this.on(type, _onceWrap(this, type, listener)); return this; }; EventEmitter.prototype.prependOnceListener = function prependOnceListener(type, listener) { - if (typeof listener !== 'function') - throw new TypeError('"listener" argument must be a function'); + checkListener(listener); this.prependListener(type, _onceWrap(this, type, listener)); return this; }; @@ -4792,20 +4850,19 @@ EventEmitter.prototype.removeListener = function removeListener(type, listener) { var list, events, position, i, originalListener; - if (typeof listener !== 'function') - throw new TypeError('"listener" argument must be a function'); + checkListener(listener); events = this._events; - if (!events) + if (events === undefined) return this; list = events[type]; - if (!list) + if (list === undefined) return this; if (list === listener || list.listener === listener) { if (--this._eventsCount === 0) - this._events = objectCreate(null); + this._events = Object.create(null); else { delete events[type]; if (events.removeListener) @@ -4827,35 +4884,38 @@ EventEmitter.prototype.removeListener = if (position === 0) list.shift(); - else + else { spliceOne(list, position); + } if (list.length === 1) events[type] = list[0]; - if (events.removeListener) + if (events.removeListener !== undefined) this.emit('removeListener', type, originalListener || listener); } return this; }; +EventEmitter.prototype.off = EventEmitter.prototype.removeListener; + EventEmitter.prototype.removeAllListeners = function removeAllListeners(type) { var listeners, events, i; events = this._events; - if (!events) + if (events === undefined) return this; // not listening for removeListener, no need to emit - if (!events.removeListener) { + if (events.removeListener === undefined) { if (arguments.length === 0) { - this._events = objectCreate(null); + this._events = Object.create(null); this._eventsCount = 0; - } else if (events[type]) { + } else if (events[type] !== undefined) { if (--this._eventsCount === 0) - this._events = objectCreate(null); + this._events = Object.create(null); else delete events[type]; } @@ -4864,7 +4924,7 @@ EventEmitter.prototype.removeAllListeners = // emit removeListener for all listeners on all events if (arguments.length === 0) { - var keys = objectKeys(events); + var keys = Object.keys(events); var key; for (i = 0; i < keys.length; ++i) { key = keys[i]; @@ -4872,7 +4932,7 @@ EventEmitter.prototype.removeAllListeners = this.removeAllListeners(key); } this.removeAllListeners('removeListener'); - this._events = objectCreate(null); + this._events = Object.create(null); this._eventsCount = 0; return this; } @@ -4881,7 +4941,7 @@ EventEmitter.prototype.removeAllListeners = if (typeof listeners === 'function') { this.removeListener(type, listeners); - } else if (listeners) { + } else if (listeners !== undefined) { // LIFO order for (i = listeners.length - 1; i >= 0; i--) { this.removeListener(type, listeners[i]); @@ -4894,17 +4954,18 @@ EventEmitter.prototype.removeAllListeners = function _listeners(target, type, unwrap) { var events = target._events; - if (!events) + if (events === undefined) return []; var evlistener = events[type]; - if (!evlistener) + if (evlistener === undefined) return []; if (typeof evlistener === 'function') return unwrap ? [evlistener.listener || evlistener] : [evlistener]; - return unwrap ? unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length); + return unwrap ? + unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length); } EventEmitter.prototype.listeners = function listeners(type) { @@ -4927,12 +4988,12 @@ EventEmitter.prototype.listenerCount = listenerCount; function listenerCount(type) { var events = this._events; - if (events) { + if (events !== undefined) { var evlistener = events[type]; if (typeof evlistener === 'function') { return 1; - } else if (evlistener) { + } else if (evlistener !== undefined) { return evlistener.length; } } @@ -4941,16 +5002,9 @@ function listenerCount(type) { } EventEmitter.prototype.eventNames = function eventNames() { - return this._eventsCount > 0 ? Reflect.ownKeys(this._events) : []; + return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : []; }; -// About 1.5x faster than the two-arg version of Array#splice(). -function spliceOne(list, index) { - for (var i = index, k = i + 1, n = list.length; k < n; i += 1, k += 1) - list[i] = list[k]; - list.pop(); -} - function arrayClone(arr, n) { var copy = new Array(n); for (var i = 0; i < n; ++i) @@ -4958,6 +5012,12 @@ function arrayClone(arr, n) { return copy; } +function spliceOne(list, index) { + for (; index + 1 < list.length; index++) + list[index] = list[index + 1]; + list.pop(); +} + function unwrapListeners(arr) { var ret = new Array(arr.length); for (var i = 0; i < ret.length; ++i) { @@ -4966,113 +5026,627 @@ function unwrapListeners(arr) { return ret; } -function objectCreatePolyfill(proto) { - var F = function() {}; - F.prototype = proto; - return new F; -} -function objectKeysPolyfill(obj) { - var keys = []; - for (var k in obj) if (Object.prototype.hasOwnProperty.call(obj, k)) { - keys.push(k); - } - return k; -} -function functionBindPolyfill(context) { - var fn = this; - return function () { - return fn.apply(context, arguments); - }; -} - -},{}],17:[function(require,module,exports){ -/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh */ -exports.read = function (buffer, offset, isLE, mLen, nBytes) { - var e, m - var eLen = (nBytes * 8) - mLen - 1 - var eMax = (1 << eLen) - 1 - var eBias = eMax >> 1 - var nBits = -7 - var i = isLE ? (nBytes - 1) : 0 - var d = isLE ? -1 : 1 - var s = buffer[offset + i] +function once(emitter, name) { + return new Promise(function (resolve, reject) { + function errorListener(err) { + emitter.removeListener(name, resolver); + reject(err); + } - i += d + function resolver() { + if (typeof emitter.removeListener === 'function') { + emitter.removeListener('error', errorListener); + } + resolve([].slice.call(arguments)); + }; - e = s & ((1 << (-nBits)) - 1) - s >>= (-nBits) - nBits += eLen - for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {} + eventTargetAgnosticAddListener(emitter, name, resolver, { once: true }); + if (name !== 'error') { + addErrorHandlerIfEventEmitter(emitter, errorListener, { once: true }); + } + }); +} - m = e & ((1 << (-nBits)) - 1) - e >>= (-nBits) - nBits += mLen - for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {} +function addErrorHandlerIfEventEmitter(emitter, handler, flags) { + if (typeof emitter.on === 'function') { + eventTargetAgnosticAddListener(emitter, 'error', handler, flags); + } +} - if (e === 0) { - e = 1 - eBias - } else if (e === eMax) { - return m ? NaN : ((s ? -1 : 1) * Infinity) +function eventTargetAgnosticAddListener(emitter, name, listener, flags) { + if (typeof emitter.on === 'function') { + if (flags.once) { + emitter.once(name, listener); + } else { + emitter.on(name, listener); + } + } else if (typeof emitter.addEventListener === 'function') { + // EventTarget does not have `error` event semantics like Node + // EventEmitters, we do not listen for `error` events here. + emitter.addEventListener(name, function wrapListener(arg) { + // IE does not have builtin `{ once: true }` support so we + // have to do it manually. + if (flags.once) { + emitter.removeEventListener(name, wrapListener); + } + listener(arg); + }); } else { - m = m + Math.pow(2, mLen) - e = e - eBias + throw new TypeError('The "emitter" argument must be of type EventEmitter. Received type ' + typeof emitter); } - return (s ? -1 : 1) * m * Math.pow(2, e - mLen) } -exports.write = function (buffer, value, offset, isLE, mLen, nBytes) { - var e, m, c - var eLen = (nBytes * 8) - mLen - 1 - var eMax = (1 << eLen) - 1 - var eBias = eMax >> 1 - var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0) - var i = isLE ? 0 : (nBytes - 1) - var d = isLE ? 1 : -1 - var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0 +},{}],22:[function(require,module,exports){ - value = Math.abs(value) +var hasOwn = Object.prototype.hasOwnProperty; +var toString = Object.prototype.toString; - if (isNaN(value) || value === Infinity) { - m = isNaN(value) ? 1 : 0 - e = eMax - } else { - e = Math.floor(Math.log(value) / Math.LN2) - if (value * (c = Math.pow(2, -e)) < 1) { - e-- - c *= 2 +module.exports = function forEach (obj, fn, ctx) { + if (toString.call(fn) !== '[object Function]') { + throw new TypeError('iterator must be a function'); } - if (e + eBias >= 1) { - value += rt / c + var l = obj.length; + if (l === +l) { + for (var i = 0; i < l; i++) { + fn.call(ctx, obj[i], i, obj); + } } else { - value += rt * Math.pow(2, 1 - eBias) - } - if (value * c >= 2) { - e++ - c /= 2 + for (var k in obj) { + if (hasOwn.call(obj, k)) { + fn.call(ctx, obj[k], k, obj); + } + } } +}; - if (e + eBias >= eMax) { - m = 0 - e = eMax - } else if (e + eBias >= 1) { - m = ((value * c) - 1) * Math.pow(2, mLen) - e = e + eBias - } else { - m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen) - e = 0 - } - } - for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} +},{}],23:[function(require,module,exports){ +'use strict'; - e = (e << mLen) | m - eLen += mLen - for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} +/* eslint no-invalid-this: 1 */ - buffer[offset + i - d] |= s * 128 +var ERROR_MESSAGE = 'Function.prototype.bind called on incompatible '; +var slice = Array.prototype.slice; +var toStr = Object.prototype.toString; +var funcType = '[object Function]'; + +module.exports = function bind(that) { + var target = this; + if (typeof target !== 'function' || toStr.call(target) !== funcType) { + throw new TypeError(ERROR_MESSAGE + target); + } + var args = slice.call(arguments, 1); + + var bound; + var binder = function () { + if (this instanceof bound) { + var result = target.apply( + this, + args.concat(slice.call(arguments)) + ); + if (Object(result) === result) { + return result; + } + return this; + } else { + return target.apply( + that, + args.concat(slice.call(arguments)) + ); + } + }; + + var boundLength = Math.max(0, target.length - args.length); + var boundArgs = []; + for (var i = 0; i < boundLength; i++) { + boundArgs.push('$' + i); + } + + bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this,arguments); }')(binder); + + if (target.prototype) { + var Empty = function Empty() {}; + Empty.prototype = target.prototype; + bound.prototype = new Empty(); + Empty.prototype = null; + } + + return bound; +}; + +},{}],24:[function(require,module,exports){ +'use strict'; + +var implementation = require('./implementation'); + +module.exports = Function.prototype.bind || implementation; + +},{"./implementation":23}],25:[function(require,module,exports){ +'use strict'; + +var undefined; + +var $SyntaxError = SyntaxError; +var $Function = Function; +var $TypeError = TypeError; + +// eslint-disable-next-line consistent-return +var getEvalledConstructor = function (expressionSyntax) { + try { + return $Function('"use strict"; return (' + expressionSyntax + ').constructor;')(); + } catch (e) {} +}; + +var $gOPD = Object.getOwnPropertyDescriptor; +if ($gOPD) { + try { + $gOPD({}, ''); + } catch (e) { + $gOPD = null; // this is IE 8, which has a broken gOPD + } +} + +var throwTypeError = function () { + throw new $TypeError(); +}; +var ThrowTypeError = $gOPD + ? (function () { + try { + // eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties + arguments.callee; // IE 8 does not throw here + return throwTypeError; + } catch (calleeThrows) { + try { + // IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '') + return $gOPD(arguments, 'callee').get; + } catch (gOPDthrows) { + return throwTypeError; + } + } + }()) + : throwTypeError; + +var hasSymbols = require('has-symbols')(); + +var getProto = Object.getPrototypeOf || function (x) { return x.__proto__; }; // eslint-disable-line no-proto + +var needsEval = {}; + +var TypedArray = typeof Uint8Array === 'undefined' ? undefined : getProto(Uint8Array); + +var INTRINSICS = { + '%AggregateError%': typeof AggregateError === 'undefined' ? undefined : AggregateError, + '%Array%': Array, + '%ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined : ArrayBuffer, + '%ArrayIteratorPrototype%': hasSymbols ? getProto([][Symbol.iterator]()) : undefined, + '%AsyncFromSyncIteratorPrototype%': undefined, + '%AsyncFunction%': needsEval, + '%AsyncGenerator%': needsEval, + '%AsyncGeneratorFunction%': needsEval, + '%AsyncIteratorPrototype%': needsEval, + '%Atomics%': typeof Atomics === 'undefined' ? undefined : Atomics, + '%BigInt%': typeof BigInt === 'undefined' ? undefined : BigInt, + '%Boolean%': Boolean, + '%DataView%': typeof DataView === 'undefined' ? undefined : DataView, + '%Date%': Date, + '%decodeURI%': decodeURI, + '%decodeURIComponent%': decodeURIComponent, + '%encodeURI%': encodeURI, + '%encodeURIComponent%': encodeURIComponent, + '%Error%': Error, + '%eval%': eval, // eslint-disable-line no-eval + '%EvalError%': EvalError, + '%Float32Array%': typeof Float32Array === 'undefined' ? undefined : Float32Array, + '%Float64Array%': typeof Float64Array === 'undefined' ? undefined : Float64Array, + '%FinalizationRegistry%': typeof FinalizationRegistry === 'undefined' ? undefined : FinalizationRegistry, + '%Function%': $Function, + '%GeneratorFunction%': needsEval, + '%Int8Array%': typeof Int8Array === 'undefined' ? undefined : Int8Array, + '%Int16Array%': typeof Int16Array === 'undefined' ? undefined : Int16Array, + '%Int32Array%': typeof Int32Array === 'undefined' ? undefined : Int32Array, + '%isFinite%': isFinite, + '%isNaN%': isNaN, + '%IteratorPrototype%': hasSymbols ? getProto(getProto([][Symbol.iterator]())) : undefined, + '%JSON%': typeof JSON === 'object' ? JSON : undefined, + '%Map%': typeof Map === 'undefined' ? undefined : Map, + '%MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols ? undefined : getProto(new Map()[Symbol.iterator]()), + '%Math%': Math, + '%Number%': Number, + '%Object%': Object, + '%parseFloat%': parseFloat, + '%parseInt%': parseInt, + '%Promise%': typeof Promise === 'undefined' ? undefined : Promise, + '%Proxy%': typeof Proxy === 'undefined' ? undefined : Proxy, + '%RangeError%': RangeError, + '%ReferenceError%': ReferenceError, + '%Reflect%': typeof Reflect === 'undefined' ? undefined : Reflect, + '%RegExp%': RegExp, + '%Set%': typeof Set === 'undefined' ? undefined : Set, + '%SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols ? undefined : getProto(new Set()[Symbol.iterator]()), + '%SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined : SharedArrayBuffer, + '%String%': String, + '%StringIteratorPrototype%': hasSymbols ? getProto(''[Symbol.iterator]()) : undefined, + '%Symbol%': hasSymbols ? Symbol : undefined, + '%SyntaxError%': $SyntaxError, + '%ThrowTypeError%': ThrowTypeError, + '%TypedArray%': TypedArray, + '%TypeError%': $TypeError, + '%Uint8Array%': typeof Uint8Array === 'undefined' ? undefined : Uint8Array, + '%Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined : Uint8ClampedArray, + '%Uint16Array%': typeof Uint16Array === 'undefined' ? undefined : Uint16Array, + '%Uint32Array%': typeof Uint32Array === 'undefined' ? undefined : Uint32Array, + '%URIError%': URIError, + '%WeakMap%': typeof WeakMap === 'undefined' ? undefined : WeakMap, + '%WeakRef%': typeof WeakRef === 'undefined' ? undefined : WeakRef, + '%WeakSet%': typeof WeakSet === 'undefined' ? undefined : WeakSet +}; + +var doEval = function doEval(name) { + var value; + if (name === '%AsyncFunction%') { + value = getEvalledConstructor('async function () {}'); + } else if (name === '%GeneratorFunction%') { + value = getEvalledConstructor('function* () {}'); + } else if (name === '%AsyncGeneratorFunction%') { + value = getEvalledConstructor('async function* () {}'); + } else if (name === '%AsyncGenerator%') { + var fn = doEval('%AsyncGeneratorFunction%'); + if (fn) { + value = fn.prototype; + } + } else if (name === '%AsyncIteratorPrototype%') { + var gen = doEval('%AsyncGenerator%'); + if (gen) { + value = getProto(gen.prototype); + } + } + + INTRINSICS[name] = value; + + return value; +}; + +var LEGACY_ALIASES = { + '%ArrayBufferPrototype%': ['ArrayBuffer', 'prototype'], + '%ArrayPrototype%': ['Array', 'prototype'], + '%ArrayProto_entries%': ['Array', 'prototype', 'entries'], + '%ArrayProto_forEach%': ['Array', 'prototype', 'forEach'], + '%ArrayProto_keys%': ['Array', 'prototype', 'keys'], + '%ArrayProto_values%': ['Array', 'prototype', 'values'], + '%AsyncFunctionPrototype%': ['AsyncFunction', 'prototype'], + '%AsyncGenerator%': ['AsyncGeneratorFunction', 'prototype'], + '%AsyncGeneratorPrototype%': ['AsyncGeneratorFunction', 'prototype', 'prototype'], + '%BooleanPrototype%': ['Boolean', 'prototype'], + '%DataViewPrototype%': ['DataView', 'prototype'], + '%DatePrototype%': ['Date', 'prototype'], + '%ErrorPrototype%': ['Error', 'prototype'], + '%EvalErrorPrototype%': ['EvalError', 'prototype'], + '%Float32ArrayPrototype%': ['Float32Array', 'prototype'], + '%Float64ArrayPrototype%': ['Float64Array', 'prototype'], + '%FunctionPrototype%': ['Function', 'prototype'], + '%Generator%': ['GeneratorFunction', 'prototype'], + '%GeneratorPrototype%': ['GeneratorFunction', 'prototype', 'prototype'], + '%Int8ArrayPrototype%': ['Int8Array', 'prototype'], + '%Int16ArrayPrototype%': ['Int16Array', 'prototype'], + '%Int32ArrayPrototype%': ['Int32Array', 'prototype'], + '%JSONParse%': ['JSON', 'parse'], + '%JSONStringify%': ['JSON', 'stringify'], + '%MapPrototype%': ['Map', 'prototype'], + '%NumberPrototype%': ['Number', 'prototype'], + '%ObjectPrototype%': ['Object', 'prototype'], + '%ObjProto_toString%': ['Object', 'prototype', 'toString'], + '%ObjProto_valueOf%': ['Object', 'prototype', 'valueOf'], + '%PromisePrototype%': ['Promise', 'prototype'], + '%PromiseProto_then%': ['Promise', 'prototype', 'then'], + '%Promise_all%': ['Promise', 'all'], + '%Promise_reject%': ['Promise', 'reject'], + '%Promise_resolve%': ['Promise', 'resolve'], + '%RangeErrorPrototype%': ['RangeError', 'prototype'], + '%ReferenceErrorPrototype%': ['ReferenceError', 'prototype'], + '%RegExpPrototype%': ['RegExp', 'prototype'], + '%SetPrototype%': ['Set', 'prototype'], + '%SharedArrayBufferPrototype%': ['SharedArrayBuffer', 'prototype'], + '%StringPrototype%': ['String', 'prototype'], + '%SymbolPrototype%': ['Symbol', 'prototype'], + '%SyntaxErrorPrototype%': ['SyntaxError', 'prototype'], + '%TypedArrayPrototype%': ['TypedArray', 'prototype'], + '%TypeErrorPrototype%': ['TypeError', 'prototype'], + '%Uint8ArrayPrototype%': ['Uint8Array', 'prototype'], + '%Uint8ClampedArrayPrototype%': ['Uint8ClampedArray', 'prototype'], + '%Uint16ArrayPrototype%': ['Uint16Array', 'prototype'], + '%Uint32ArrayPrototype%': ['Uint32Array', 'prototype'], + '%URIErrorPrototype%': ['URIError', 'prototype'], + '%WeakMapPrototype%': ['WeakMap', 'prototype'], + '%WeakSetPrototype%': ['WeakSet', 'prototype'] +}; + +var bind = require('function-bind'); +var hasOwn = require('has'); +var $concat = bind.call(Function.call, Array.prototype.concat); +var $spliceApply = bind.call(Function.apply, Array.prototype.splice); +var $replace = bind.call(Function.call, String.prototype.replace); +var $strSlice = bind.call(Function.call, String.prototype.slice); + +/* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */ +var rePropName = /[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g; +var reEscapeChar = /\\(\\)?/g; /** Used to match backslashes in property paths. */ +var stringToPath = function stringToPath(string) { + var first = $strSlice(string, 0, 1); + var last = $strSlice(string, -1); + if (first === '%' && last !== '%') { + throw new $SyntaxError('invalid intrinsic syntax, expected closing `%`'); + } else if (last === '%' && first !== '%') { + throw new $SyntaxError('invalid intrinsic syntax, expected opening `%`'); + } + var result = []; + $replace(string, rePropName, function (match, number, quote, subString) { + result[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : number || match; + }); + return result; +}; +/* end adaptation */ + +var getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) { + var intrinsicName = name; + var alias; + if (hasOwn(LEGACY_ALIASES, intrinsicName)) { + alias = LEGACY_ALIASES[intrinsicName]; + intrinsicName = '%' + alias[0] + '%'; + } + + if (hasOwn(INTRINSICS, intrinsicName)) { + var value = INTRINSICS[intrinsicName]; + if (value === needsEval) { + value = doEval(intrinsicName); + } + if (typeof value === 'undefined' && !allowMissing) { + throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!'); + } + + return { + alias: alias, + name: intrinsicName, + value: value + }; + } + + throw new $SyntaxError('intrinsic ' + name + ' does not exist!'); +}; + +module.exports = function GetIntrinsic(name, allowMissing) { + if (typeof name !== 'string' || name.length === 0) { + throw new $TypeError('intrinsic name must be a non-empty string'); + } + if (arguments.length > 1 && typeof allowMissing !== 'boolean') { + throw new $TypeError('"allowMissing" argument must be a boolean'); + } + + var parts = stringToPath(name); + var intrinsicBaseName = parts.length > 0 ? parts[0] : ''; + + var intrinsic = getBaseIntrinsic('%' + intrinsicBaseName + '%', allowMissing); + var intrinsicRealName = intrinsic.name; + var value = intrinsic.value; + var skipFurtherCaching = false; + + var alias = intrinsic.alias; + if (alias) { + intrinsicBaseName = alias[0]; + $spliceApply(parts, $concat([0, 1], alias)); + } + + for (var i = 1, isOwn = true; i < parts.length; i += 1) { + var part = parts[i]; + var first = $strSlice(part, 0, 1); + var last = $strSlice(part, -1); + if ( + ( + (first === '"' || first === "'" || first === '`') + || (last === '"' || last === "'" || last === '`') + ) + && first !== last + ) { + throw new $SyntaxError('property names with quotes must have matching quotes'); + } + if (part === 'constructor' || !isOwn) { + skipFurtherCaching = true; + } + + intrinsicBaseName += '.' + part; + intrinsicRealName = '%' + intrinsicBaseName + '%'; + + if (hasOwn(INTRINSICS, intrinsicRealName)) { + value = INTRINSICS[intrinsicRealName]; + } else if (value != null) { + if (!(part in value)) { + if (!allowMissing) { + throw new $TypeError('base intrinsic for ' + name + ' exists, but the property is not available.'); + } + return void undefined; + } + if ($gOPD && (i + 1) >= parts.length) { + var desc = $gOPD(value, part); + isOwn = !!desc; + + // By convention, when a data property is converted to an accessor + // property to emulate a data property that does not suffer from + // the override mistake, that accessor's getter is marked with + // an `originalValue` property. Here, when we detect this, we + // uphold the illusion by pretending to see that original data + // property, i.e., returning the value rather than the getter + // itself. + if (isOwn && 'get' in desc && !('originalValue' in desc.get)) { + value = desc.get; + } else { + value = value[part]; + } + } else { + isOwn = hasOwn(value, part); + value = value[part]; + } + + if (isOwn && !skipFurtherCaching) { + INTRINSICS[intrinsicRealName] = value; + } + } + } + return value; +}; + +},{"function-bind":24,"has":28,"has-symbols":26}],26:[function(require,module,exports){ +'use strict'; + +var origSymbol = typeof Symbol !== 'undefined' && Symbol; +var hasSymbolSham = require('./shams'); + +module.exports = function hasNativeSymbols() { + if (typeof origSymbol !== 'function') { return false; } + if (typeof Symbol !== 'function') { return false; } + if (typeof origSymbol('foo') !== 'symbol') { return false; } + if (typeof Symbol('bar') !== 'symbol') { return false; } + + return hasSymbolSham(); +}; + +},{"./shams":27}],27:[function(require,module,exports){ +'use strict'; + +/* eslint complexity: [2, 18], max-statements: [2, 33] */ +module.exports = function hasSymbols() { + if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; } + if (typeof Symbol.iterator === 'symbol') { return true; } + + var obj = {}; + var sym = Symbol('test'); + var symObj = Object(sym); + if (typeof sym === 'string') { return false; } + + if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; } + if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; } + + // temp disabled per https://github.com/ljharb/object.assign/issues/17 + // if (sym instanceof Symbol) { return false; } + // temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4 + // if (!(symObj instanceof Symbol)) { return false; } + + // if (typeof Symbol.prototype.toString !== 'function') { return false; } + // if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; } + + var symVal = 42; + obj[sym] = symVal; + for (sym in obj) { return false; } // eslint-disable-line no-restricted-syntax, no-unreachable-loop + if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; } + + if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; } + + var syms = Object.getOwnPropertySymbols(obj); + if (syms.length !== 1 || syms[0] !== sym) { return false; } + + if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; } + + if (typeof Object.getOwnPropertyDescriptor === 'function') { + var descriptor = Object.getOwnPropertyDescriptor(obj, sym); + if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; } + } + + return true; +}; + +},{}],28:[function(require,module,exports){ +'use strict'; + +var bind = require('function-bind'); + +module.exports = bind.call(Function.call, Object.prototype.hasOwnProperty); + +},{"function-bind":24}],29:[function(require,module,exports){ +/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh */ +exports.read = function (buffer, offset, isLE, mLen, nBytes) { + var e, m + var eLen = (nBytes * 8) - mLen - 1 + var eMax = (1 << eLen) - 1 + var eBias = eMax >> 1 + var nBits = -7 + var i = isLE ? (nBytes - 1) : 0 + var d = isLE ? -1 : 1 + var s = buffer[offset + i] + + i += d + + e = s & ((1 << (-nBits)) - 1) + s >>= (-nBits) + nBits += eLen + for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {} + + m = e & ((1 << (-nBits)) - 1) + e >>= (-nBits) + nBits += mLen + for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {} + + if (e === 0) { + e = 1 - eBias + } else if (e === eMax) { + return m ? NaN : ((s ? -1 : 1) * Infinity) + } else { + m = m + Math.pow(2, mLen) + e = e - eBias + } + return (s ? -1 : 1) * m * Math.pow(2, e - mLen) +} + +exports.write = function (buffer, value, offset, isLE, mLen, nBytes) { + var e, m, c + var eLen = (nBytes * 8) - mLen - 1 + var eMax = (1 << eLen) - 1 + var eBias = eMax >> 1 + var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0) + var i = isLE ? 0 : (nBytes - 1) + var d = isLE ? 1 : -1 + var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0 + + value = Math.abs(value) + + if (isNaN(value) || value === Infinity) { + m = isNaN(value) ? 1 : 0 + e = eMax + } else { + e = Math.floor(Math.log(value) / Math.LN2) + if (value * (c = Math.pow(2, -e)) < 1) { + e-- + c *= 2 + } + if (e + eBias >= 1) { + value += rt / c + } else { + value += rt * Math.pow(2, 1 - eBias) + } + if (value * c >= 2) { + e++ + c /= 2 + } + + if (e + eBias >= eMax) { + m = 0 + e = eMax + } else if (e + eBias >= 1) { + m = ((value * c) - 1) * Math.pow(2, mLen) + e = e + eBias + } else { + m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen) + e = 0 + } + } + + for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} + + e = (e << mLen) | m + eLen += mLen + for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} + + buffer[offset + i - d] |= s * 128 } -},{}],18:[function(require,module,exports){ +},{}],30:[function(require,module,exports){ if (typeof Object.create === 'function') { // implementation from standard node.js 'util' module module.exports = function inherits(ctor, superCtor) { @@ -5101,37 +5675,141 @@ if (typeof Object.create === 'function') { } } -},{}],19:[function(require,module,exports){ -/*! - * Determine if an object is a Buffer - * - * @author Feross Aboukhadijeh - * @license MIT - */ +},{}],31:[function(require,module,exports){ +'use strict'; -// The _isBuffer check is for Safari 5-7 support, because it's missing -// Object.prototype.constructor. Remove this eventually -module.exports = function (obj) { - return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer) -} +var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; +var callBound = require('call-bind/callBound'); -function isBuffer (obj) { - return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj) -} +var $toString = callBound('Object.prototype.toString'); -// For Node v0.10 support. Remove this eventually. -function isSlowBuffer (obj) { - return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0)) +var isStandardArguments = function isArguments(value) { + if (hasToStringTag && value && typeof value === 'object' && Symbol.toStringTag in value) { + return false; + } + return $toString(value) === '[object Arguments]'; +}; + +var isLegacyArguments = function isArguments(value) { + if (isStandardArguments(value)) { + return true; + } + return value !== null && + typeof value === 'object' && + typeof value.length === 'number' && + value.length >= 0 && + $toString(value) !== '[object Array]' && + $toString(value.callee) === '[object Function]'; +}; + +var supportsStandardArguments = (function () { + return isStandardArguments(arguments); +}()); + +isStandardArguments.isLegacyArguments = isLegacyArguments; // for tests + +module.exports = supportsStandardArguments ? isStandardArguments : isLegacyArguments; + +},{"call-bind/callBound":18}],32:[function(require,module,exports){ +'use strict'; + +var toStr = Object.prototype.toString; +var fnToStr = Function.prototype.toString; +var isFnRegex = /^\s*(?:function)?\*/; +var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol'; +var getProto = Object.getPrototypeOf; +var getGeneratorFunc = function () { // eslint-disable-line consistent-return + if (!hasToStringTag) { + return false; + } + try { + return Function('return function*() {}')(); + } catch (e) { + } +}; +var generatorFunc = getGeneratorFunc(); +var GeneratorFunction = getProto && generatorFunc ? getProto(generatorFunc) : false; + +module.exports = function isGeneratorFunction(fn) { + if (typeof fn !== 'function') { + return false; + } + if (isFnRegex.test(fnToStr.call(fn))) { + return true; + } + if (!hasToStringTag) { + var str = toStr.call(fn); + return str === '[object GeneratorFunction]'; + } + return getProto && getProto(fn) === GeneratorFunction; +}; + +},{}],33:[function(require,module,exports){ +(function (global){(function (){ +'use strict'; + +var forEach = require('foreach'); +var availableTypedArrays = require('available-typed-arrays'); +var callBound = require('call-bind/callBound'); + +var $toString = callBound('Object.prototype.toString'); +var hasSymbols = require('has-symbols')(); +var hasToStringTag = hasSymbols && typeof Symbol.toStringTag === 'symbol'; + +var typedArrays = availableTypedArrays(); + +var $indexOf = callBound('Array.prototype.indexOf', true) || function indexOf(array, value) { + for (var i = 0; i < array.length; i += 1) { + if (array[i] === value) { + return i; + } + } + return -1; +}; +var $slice = callBound('String.prototype.slice'); +var toStrTags = {}; +var gOPD = require('es-abstract/helpers/getOwnPropertyDescriptor'); +var getPrototypeOf = Object.getPrototypeOf; // require('getprototypeof'); +if (hasToStringTag && gOPD && getPrototypeOf) { + forEach(typedArrays, function (typedArray) { + var arr = new global[typedArray](); + if (!(Symbol.toStringTag in arr)) { + throw new EvalError('this engine has support for Symbol.toStringTag, but ' + typedArray + ' does not have the property! Please report this.'); + } + var proto = getPrototypeOf(arr); + var descriptor = gOPD(proto, Symbol.toStringTag); + if (!descriptor) { + var superProto = getPrototypeOf(proto); + descriptor = gOPD(superProto, Symbol.toStringTag); + } + toStrTags[typedArray] = descriptor.get; + }); } -},{}],20:[function(require,module,exports){ -var toString = {}.toString; +var tryTypedArrays = function tryAllTypedArrays(value) { + var anyTrue = false; + forEach(toStrTags, function (getter, typedArray) { + if (!anyTrue) { + try { + anyTrue = getter.call(value) === typedArray; + } catch (e) { /**/ } + } + }); + return anyTrue; +}; -module.exports = Array.isArray || function (arr) { - return toString.call(arr) == '[object Array]'; +module.exports = function isTypedArray(value) { + if (!value || typeof value !== 'object') { return false; } + if (!hasToStringTag) { + var tag = $slice($toString(value), 8, -1); + return $indexOf(typedArrays, tag) > -1; + } + if (!gOPD) { return false; } + return tryTypedArrays(value); }; -},{}],21:[function(require,module,exports){ +}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"available-typed-arrays":12,"call-bind/callBound":18,"es-abstract/helpers/getOwnPropertyDescriptor":20,"foreach":22,"has-symbols":26}],34:[function(require,module,exports){ /* object-assign (c) Sindre Sorhus @@ -5223,56 +5901,7 @@ module.exports = shouldUseNative() ? Object.assign : function (target, source) { return to; }; -},{}],22:[function(require,module,exports){ -(function (process){(function (){ -'use strict'; - -if (typeof process === 'undefined' || - !process.version || - process.version.indexOf('v0.') === 0 || - process.version.indexOf('v1.') === 0 && process.version.indexOf('v1.8.') !== 0) { - module.exports = { nextTick: nextTick }; -} else { - module.exports = process -} - -function nextTick(fn, arg1, arg2, arg3) { - if (typeof fn !== 'function') { - throw new TypeError('"callback" argument must be a function'); - } - var len = arguments.length; - var args, i; - switch (len) { - case 0: - case 1: - return process.nextTick(fn); - case 2: - return process.nextTick(function afterTickOne() { - fn.call(null, arg1); - }); - case 3: - return process.nextTick(function afterTickTwo() { - fn.call(null, arg1, arg2); - }); - case 4: - return process.nextTick(function afterTickThree() { - fn.call(null, arg1, arg2, arg3); - }); - default: - args = new Array(len - 1); - i = 0; - while (i < args.length) { - args[i++] = arguments[i]; - } - return process.nextTick(function afterTick() { - fn.apply(null, args); - }); - } -} - - -}).call(this)}).call(this,require('_process')) -},{"_process":23}],23:[function(require,module,exports){ +},{}],35:[function(require,module,exports){ // shim for using process in browser var process = module.exports = {}; @@ -5458,12 +6087,142 @@ process.chdir = function (dir) { }; process.umask = function() { return 0; }; -},{}],24:[function(require,module,exports){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including +},{}],36:[function(require,module,exports){ +'use strict'; + +function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; } + +var codes = {}; + +function createErrorType(code, message, Base) { + if (!Base) { + Base = Error; + } + + function getMessage(arg1, arg2, arg3) { + if (typeof message === 'string') { + return message; + } else { + return message(arg1, arg2, arg3); + } + } + + var NodeError = + /*#__PURE__*/ + function (_Base) { + _inheritsLoose(NodeError, _Base); + + function NodeError(arg1, arg2, arg3) { + return _Base.call(this, getMessage(arg1, arg2, arg3)) || this; + } + + return NodeError; + }(Base); + + NodeError.prototype.name = Base.name; + NodeError.prototype.code = code; + codes[code] = NodeError; +} // https://github.com/nodejs/node/blob/v10.8.0/lib/internal/errors.js + + +function oneOf(expected, thing) { + if (Array.isArray(expected)) { + var len = expected.length; + expected = expected.map(function (i) { + return String(i); + }); + + if (len > 2) { + return "one of ".concat(thing, " ").concat(expected.slice(0, len - 1).join(', '), ", or ") + expected[len - 1]; + } else if (len === 2) { + return "one of ".concat(thing, " ").concat(expected[0], " or ").concat(expected[1]); + } else { + return "of ".concat(thing, " ").concat(expected[0]); + } + } else { + return "of ".concat(thing, " ").concat(String(expected)); + } +} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith + + +function startsWith(str, search, pos) { + return str.substr(!pos || pos < 0 ? 0 : +pos, search.length) === search; +} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith + + +function endsWith(str, search, this_len) { + if (this_len === undefined || this_len > str.length) { + this_len = str.length; + } + + return str.substring(this_len - search.length, this_len) === search; +} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes + + +function includes(str, search, start) { + if (typeof start !== 'number') { + start = 0; + } + + if (start + search.length > str.length) { + return false; + } else { + return str.indexOf(search, start) !== -1; + } +} + +createErrorType('ERR_INVALID_OPT_VALUE', function (name, value) { + return 'The value "' + value + '" is invalid for option "' + name + '"'; +}, TypeError); +createErrorType('ERR_INVALID_ARG_TYPE', function (name, expected, actual) { + // determiner: 'must be' or 'must not be' + var determiner; + + if (typeof expected === 'string' && startsWith(expected, 'not ')) { + determiner = 'must not be'; + expected = expected.replace(/^not /, ''); + } else { + determiner = 'must be'; + } + + var msg; + + if (endsWith(name, ' argument')) { + // For cases like 'first argument' + msg = "The ".concat(name, " ").concat(determiner, " ").concat(oneOf(expected, 'type')); + } else { + var type = includes(name, '.') ? 'property' : 'argument'; + msg = "The \"".concat(name, "\" ").concat(type, " ").concat(determiner, " ").concat(oneOf(expected, 'type')); + } + + msg += ". Received type ".concat(typeof actual); + return msg; +}, TypeError); +createErrorType('ERR_STREAM_PUSH_AFTER_EOF', 'stream.push() after EOF'); +createErrorType('ERR_METHOD_NOT_IMPLEMENTED', function (name) { + return 'The ' + name + ' method is not implemented'; +}); +createErrorType('ERR_STREAM_PREMATURE_CLOSE', 'Premature close'); +createErrorType('ERR_STREAM_DESTROYED', function (name) { + return 'Cannot call ' + name + ' after a stream was destroyed'; +}); +createErrorType('ERR_MULTIPLE_CALLBACK', 'Callback called multiple times'); +createErrorType('ERR_STREAM_CANNOT_PIPE', 'Cannot pipe, not readable'); +createErrorType('ERR_STREAM_WRITE_AFTER_END', 'write after end'); +createErrorType('ERR_STREAM_NULL_VALUES', 'May not write null values to stream', TypeError); +createErrorType('ERR_UNKNOWN_ENCODING', function (arg) { + return 'Unknown encoding: ' + arg; +}, TypeError); +createErrorType('ERR_STREAM_UNSHIFT_AFTER_END_EVENT', 'stream.unshift() after end event'); +module.exports.codes = codes; + +},{}],37:[function(require,module,exports){ +(function (process){(function (){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the @@ -5479,43 +6238,37 @@ process.umask = function() { return 0; }; // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. - // a duplex stream is just a stream that is both readable and writable. // Since JS doesn't have multiple prototypal inheritance, this class // prototypally inherits from Readable, and then parasitically from // Writable. - 'use strict'; - /**/ -var pna = require('process-nextick-args'); -/**/ - -/**/ var objectKeys = Object.keys || function (obj) { var keys = []; + for (var key in obj) { keys.push(key); - }return keys; + } + + return keys; }; /**/ -module.exports = Duplex; -/**/ -var util = Object.create(require('core-util-is')); -util.inherits = require('inherits'); -/**/ +module.exports = Duplex; var Readable = require('./_stream_readable'); + var Writable = require('./_stream_writable'); -util.inherits(Duplex, Readable); +require('inherits')(Duplex, Readable); { - // avoid scope creep, the keys array can then be collected + // Allow the keys array to be GC'ed. var keys = objectKeys(Writable.prototype); + for (var v = 0; v < keys.length; v++) { var method = keys[v]; if (!Duplex.prototype[method]) Duplex.prototype[method] = Writable.prototype[method]; @@ -5524,18 +6277,19 @@ util.inherits(Duplex, Readable); function Duplex(options) { if (!(this instanceof Duplex)) return new Duplex(options); - Readable.call(this, options); Writable.call(this, options); - - if (options && options.readable === false) this.readable = false; - - if (options && options.writable === false) this.writable = false; - this.allowHalfOpen = true; - if (options && options.allowHalfOpen === false) this.allowHalfOpen = false; - this.once('end', onend); + if (options) { + if (options.readable === false) this.readable = false; + if (options.writable === false) this.writable = false; + + if (options.allowHalfOpen === false) { + this.allowHalfOpen = false; + this.once('end', onend); + } + } } Object.defineProperty(Duplex.prototype, 'writableHighWaterMark', { @@ -5543,20 +6297,35 @@ Object.defineProperty(Duplex.prototype, 'writableHighWaterMark', { // because otherwise some prototype manipulation in // userland will fail enumerable: false, - get: function () { + get: function get() { return this._writableState.highWaterMark; } }); +Object.defineProperty(Duplex.prototype, 'writableBuffer', { + // making it explicit this property is not enumerable + // because otherwise some prototype manipulation in + // userland will fail + enumerable: false, + get: function get() { + return this._writableState && this._writableState.getBuffer(); + } +}); +Object.defineProperty(Duplex.prototype, 'writableLength', { + // making it explicit this property is not enumerable + // because otherwise some prototype manipulation in + // userland will fail + enumerable: false, + get: function get() { + return this._writableState.length; + } +}); // the no-half-open enforcer -// the no-half-open enforcer function onend() { - // if we allow half-open state, or if the writable side ended, - // then we're ok. - if (this.allowHalfOpen || this._writableState.ended) return; - - // no more data can be written. + // If the writable side ended, then we're ok. + if (this._writableState.ended) return; // no more data can be written. // But allow more writes to happen in this tick. - pna.nextTick(onEndNT, this); + + process.nextTick(onEndNT, this); } function onEndNT(self) { @@ -5564,33 +6333,32 @@ function onEndNT(self) { } Object.defineProperty(Duplex.prototype, 'destroyed', { - get: function () { + // making it explicit this property is not enumerable + // because otherwise some prototype manipulation in + // userland will fail + enumerable: false, + get: function get() { if (this._readableState === undefined || this._writableState === undefined) { return false; } + return this._readableState.destroyed && this._writableState.destroyed; }, - set: function (value) { + set: function set(value) { // we ignore the value if the stream // has not been initialized yet if (this._readableState === undefined || this._writableState === undefined) { return; - } - - // backward compatibility, the user is explicitly + } // backward compatibility, the user is explicitly // managing destroyed + + this._readableState.destroyed = value; this._writableState.destroyed = value; } }); - -Duplex.prototype._destroy = function (err, cb) { - this.push(null); - this.end(); - - pna.nextTick(cb, err); -}; -},{"./_stream_readable":26,"./_stream_writable":28,"core-util-is":15,"inherits":18,"process-nextick-args":22}],25:[function(require,module,exports){ +}).call(this)}).call(this,require('_process')) +},{"./_stream_readable":39,"./_stream_writable":41,"_process":35,"inherits":30}],38:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a @@ -5611,34 +6379,26 @@ Duplex.prototype._destroy = function (err, cb) { // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. - // a passthrough stream. // basically just the most minimal sort of Transform stream. // Every written chunk gets output as-is. - 'use strict'; module.exports = PassThrough; var Transform = require('./_stream_transform'); -/**/ -var util = Object.create(require('core-util-is')); -util.inherits = require('inherits'); -/**/ - -util.inherits(PassThrough, Transform); +require('inherits')(PassThrough, Transform); function PassThrough(options) { if (!(this instanceof PassThrough)) return new PassThrough(options); - Transform.call(this, options); } PassThrough.prototype._transform = function (chunk, encoding, cb) { cb(null, chunk); }; -},{"./_stream_transform":27,"core-util-is":15,"inherits":18}],26:[function(require,module,exports){ +},{"./_stream_transform":40,"inherits":30}],39:[function(require,module,exports){ (function (process,global){(function (){ // Copyright Joyent, Inc. and other Node contributors. // @@ -5660,118 +6420,110 @@ PassThrough.prototype._transform = function (chunk, encoding, cb) { // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. - 'use strict'; -/**/ - -var pna = require('process-nextick-args'); -/**/ - module.exports = Readable; - /**/ -var isArray = require('isarray'); -/**/ -/**/ var Duplex; /**/ Readable.ReadableState = ReadableState; - /**/ + var EE = require('events').EventEmitter; -var EElistenerCount = function (emitter, type) { +var EElistenerCount = function EElistenerCount(emitter, type) { return emitter.listeners(type).length; }; /**/ /**/ + + var Stream = require('./internal/streams/stream'); /**/ -/**/ -var Buffer = require('safe-buffer').Buffer; +var Buffer = require('buffer').Buffer; + var OurUint8Array = global.Uint8Array || function () {}; + function _uint8ArrayToBuffer(chunk) { return Buffer.from(chunk); } + function _isUint8Array(obj) { return Buffer.isBuffer(obj) || obj instanceof OurUint8Array; } - -/**/ - /**/ -var util = Object.create(require('core-util-is')); -util.inherits = require('inherits'); -/**/ -/**/ + var debugUtil = require('util'); -var debug = void 0; + +var debug; + if (debugUtil && debugUtil.debuglog) { debug = debugUtil.debuglog('stream'); } else { - debug = function () {}; + debug = function debug() {}; } /**/ -var BufferList = require('./internal/streams/BufferList'); + +var BufferList = require('./internal/streams/buffer_list'); + var destroyImpl = require('./internal/streams/destroy'); + +var _require = require('./internal/streams/state'), + getHighWaterMark = _require.getHighWaterMark; + +var _require$codes = require('../errors').codes, + ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE, + ERR_STREAM_PUSH_AFTER_EOF = _require$codes.ERR_STREAM_PUSH_AFTER_EOF, + ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED, + ERR_STREAM_UNSHIFT_AFTER_END_EVENT = _require$codes.ERR_STREAM_UNSHIFT_AFTER_END_EVENT; // Lazy loaded to improve the startup performance. + + var StringDecoder; +var createReadableStreamAsyncIterator; +var from; -util.inherits(Readable, Stream); +require('inherits')(Readable, Stream); +var errorOrDestroy = destroyImpl.errorOrDestroy; var kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume']; function prependListener(emitter, event, fn) { // Sadly this is not cacheable as some libraries bundle their own // event emitter implementation with them. - if (typeof emitter.prependListener === 'function') return emitter.prependListener(event, fn); - - // This is a hack to make sure that our error handler is attached before any + if (typeof emitter.prependListener === 'function') return emitter.prependListener(event, fn); // This is a hack to make sure that our error handler is attached before any // userland ones. NEVER DO THIS. This is here only because this code needs // to continue to work with older versions of Node.js that do not include // the prependListener() method. The goal is to eventually remove this hack. - if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]]; + + if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (Array.isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]]; } -function ReadableState(options, stream) { +function ReadableState(options, stream, isDuplex) { Duplex = Duplex || require('./_stream_duplex'); - - options = options || {}; - - // Duplex streams are both readable and writable, but share + options = options || {}; // Duplex streams are both readable and writable, but share // the same options object. // However, some cases require setting options to different // values for the readable and the writable sides of the duplex stream. // These options can be provided separately as readableXXX and writableXXX. - var isDuplex = stream instanceof Duplex; - // object stream flag. Used to make read(n) ignore n and to + if (typeof isDuplex !== 'boolean') isDuplex = stream instanceof Duplex; // object stream flag. Used to make read(n) ignore n and to // make all the buffer merging and length checks go away - this.objectMode = !!options.objectMode; - - if (isDuplex) this.objectMode = this.objectMode || !!options.readableObjectMode; - // the point at which it stops calling _read() to fill the buffer + this.objectMode = !!options.objectMode; + if (isDuplex) this.objectMode = this.objectMode || !!options.readableObjectMode; // the point at which it stops calling _read() to fill the buffer // Note: 0 is a valid value, means "don't call _read preemptively ever" - var hwm = options.highWaterMark; - var readableHwm = options.readableHighWaterMark; - var defaultHwm = this.objectMode ? 16 : 16 * 1024; - - if (hwm || hwm === 0) this.highWaterMark = hwm;else if (isDuplex && (readableHwm || readableHwm === 0)) this.highWaterMark = readableHwm;else this.highWaterMark = defaultHwm; - // cast to ints. - this.highWaterMark = Math.floor(this.highWaterMark); - - // A linked list is used to store data chunks instead of an array because the + this.highWaterMark = getHighWaterMark(this, options, 'readableHighWaterMark', isDuplex); // A linked list is used to store data chunks instead of an array because the // linked list can remove elements from the beginning faster than // array.shift() + this.buffer = new BufferList(); this.length = 0; this.pipes = null; @@ -5779,37 +6531,36 @@ function ReadableState(options, stream) { this.flowing = null; this.ended = false; this.endEmitted = false; - this.reading = false; - - // a flag to be able to tell if the event 'readable'/'data' is emitted + this.reading = false; // a flag to be able to tell if the event 'readable'/'data' is emitted // immediately, or on a later tick. We set this to true at first, because // any actions that shouldn't happen until "later" should generally also // not happen before the first read call. - this.sync = true; - // whenever we return null, then we set a flag to say + this.sync = true; // whenever we return null, then we set a flag to say // that we're awaiting a 'readable' event emission. + this.needReadable = false; this.emittedReadable = false; this.readableListening = false; this.resumeScheduled = false; + this.paused = true; // Should close be emitted on destroy. Defaults to true. - // has it been destroyed - this.destroyed = false; + this.emitClose = options.emitClose !== false; // Should .destroy() be called after 'end' (and potentially 'finish') - // Crypto is kind of old and crusty. Historically, its default string + this.autoDestroy = !!options.autoDestroy; // has it been destroyed + + this.destroyed = false; // Crypto is kind of old and crusty. Historically, its default string // encoding is 'binary' so we have to make this configurable. // Everything else in the universe uses 'utf8', though. - this.defaultEncoding = options.defaultEncoding || 'utf8'; - // the number of writers that are awaiting a drain event in .pipe()s - this.awaitDrain = 0; + this.defaultEncoding = options.defaultEncoding || 'utf8'; // the number of writers that are awaiting a drain event in .pipe()s - // if true, a maybeReadMore has been scheduled - this.readingMore = false; + this.awaitDrain = 0; // if true, a maybeReadMore has been scheduled + this.readingMore = false; this.decoder = null; this.encoding = null; + if (options.encoding) { if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder; this.decoder = new StringDecoder(options.encoding); @@ -5819,17 +6570,16 @@ function ReadableState(options, stream) { function Readable(options) { Duplex = Duplex || require('./_stream_duplex'); + if (!(this instanceof Readable)) return new Readable(options); // Checking for a Stream.Duplex instance is faster here instead of inside + // the ReadableState constructor, at least with V8 6.5 - if (!(this instanceof Readable)) return new Readable(options); + var isDuplex = this instanceof Duplex; + this._readableState = new ReadableState(options, this, isDuplex); // legacy - this._readableState = new ReadableState(options, this); - - // legacy this.readable = true; if (options) { if (typeof options.read === 'function') this._read = options.read; - if (typeof options.destroy === 'function') this._destroy = options.destroy; } @@ -5837,36 +6587,40 @@ function Readable(options) { } Object.defineProperty(Readable.prototype, 'destroyed', { - get: function () { + // making it explicit this property is not enumerable + // because otherwise some prototype manipulation in + // userland will fail + enumerable: false, + get: function get() { if (this._readableState === undefined) { return false; } + return this._readableState.destroyed; }, - set: function (value) { + set: function set(value) { // we ignore the value if the stream // has not been initialized yet if (!this._readableState) { return; - } - - // backward compatibility, the user is explicitly + } // backward compatibility, the user is explicitly // managing destroyed + + this._readableState.destroyed = value; } }); - Readable.prototype.destroy = destroyImpl.destroy; Readable.prototype._undestroy = destroyImpl.undestroy; + Readable.prototype._destroy = function (err, cb) { - this.push(null); cb(err); -}; - -// Manually shove something into the read() buffer. +}; // Manually shove something into the read() buffer. // This returns true if the highWaterMark has not been hit yet, // similar to how Writable.write() returns true if you should // write() some more. + + Readable.prototype.push = function (chunk, encoding) { var state = this._readableState; var skipChunkCheck; @@ -5874,10 +6628,12 @@ Readable.prototype.push = function (chunk, encoding) { if (!state.objectMode) { if (typeof chunk === 'string') { encoding = encoding || state.defaultEncoding; + if (encoding !== state.encoding) { chunk = Buffer.from(chunk, encoding); encoding = ''; } + skipChunkCheck = true; } } else { @@ -5885,34 +6641,40 @@ Readable.prototype.push = function (chunk, encoding) { } return readableAddChunk(this, chunk, encoding, false, skipChunkCheck); -}; +}; // Unshift should *always* be something directly out of read() + -// Unshift should *always* be something directly out of read() Readable.prototype.unshift = function (chunk) { return readableAddChunk(this, chunk, null, true, false); }; function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) { + debug('readableAddChunk', chunk); var state = stream._readableState; + if (chunk === null) { state.reading = false; onEofChunk(stream, state); } else { var er; if (!skipChunkCheck) er = chunkInvalid(state, chunk); + if (er) { - stream.emit('error', er); + errorOrDestroy(stream, er); } else if (state.objectMode || chunk && chunk.length > 0) { if (typeof chunk !== 'string' && !state.objectMode && Object.getPrototypeOf(chunk) !== Buffer.prototype) { chunk = _uint8ArrayToBuffer(chunk); } if (addToFront) { - if (state.endEmitted) stream.emit('error', new Error('stream.unshift() after end event'));else addChunk(stream, state, chunk, true); + if (state.endEmitted) errorOrDestroy(stream, new ERR_STREAM_UNSHIFT_AFTER_END_EVENT());else addChunk(stream, state, chunk, true); } else if (state.ended) { - stream.emit('error', new Error('stream.push() after EOF')); + errorOrDestroy(stream, new ERR_STREAM_PUSH_AFTER_EOF()); + } else if (state.destroyed) { + return false; } else { state.reading = false; + if (state.decoder && !encoding) { chunk = state.decoder.write(chunk); if (state.objectMode || chunk.length !== 0) addChunk(stream, state, chunk, false);else maybeReadMore(stream, state); @@ -5922,61 +6684,73 @@ function readableAddChunk(stream, chunk, encoding, addToFront, skipChunkCheck) { } } else if (!addToFront) { state.reading = false; + maybeReadMore(stream, state); } - } + } // We can push more data if we are below the highWaterMark. + // Also, if we have no data yet, we can stand some more bytes. + // This is to work around cases where hwm=0, such as the repl. - return needMoreData(state); + + return !state.ended && (state.length < state.highWaterMark || state.length === 0); } function addChunk(stream, state, chunk, addToFront) { if (state.flowing && state.length === 0 && !state.sync) { + state.awaitDrain = 0; stream.emit('data', chunk); - stream.read(0); } else { // update the buffer info. state.length += state.objectMode ? 1 : chunk.length; if (addToFront) state.buffer.unshift(chunk);else state.buffer.push(chunk); - if (state.needReadable) emitReadable(stream); } + maybeReadMore(stream, state); } function chunkInvalid(state, chunk) { var er; + if (!_isUint8Array(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) { - er = new TypeError('Invalid non-string/buffer chunk'); + er = new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer', 'Uint8Array'], chunk); } - return er; -} -// if it's past the high water mark, we can push in some more. -// Also, if we have no data yet, we can stand some -// more bytes. This is to work around cases where hwm=0, -// such as the repl. Also, if the push() triggered a -// readable event, and the user called read(largeNumber) such that -// needReadable was set, then we ought to push more, so that another -// 'readable' event will be triggered. -function needMoreData(state) { - return !state.ended && (state.needReadable || state.length < state.highWaterMark || state.length === 0); + return er; } Readable.prototype.isPaused = function () { return this._readableState.flowing === false; -}; +}; // backwards compatibility. + -// backwards compatibility. Readable.prototype.setEncoding = function (enc) { if (!StringDecoder) StringDecoder = require('string_decoder/').StringDecoder; - this._readableState.decoder = new StringDecoder(enc); - this._readableState.encoding = enc; + var decoder = new StringDecoder(enc); + this._readableState.decoder = decoder; // If setEncoding(null), decoder.encoding equals utf8 + + this._readableState.encoding = this._readableState.decoder.encoding; // Iterate over current buffer to convert already stored Buffers: + + var p = this._readableState.buffer.head; + var content = ''; + + while (p !== null) { + content += decoder.write(p.data); + p = p.next; + } + + this._readableState.buffer.clear(); + + if (content !== '') this._readableState.buffer.push(content); + this._readableState.length = content.length; return this; -}; +}; // Don't raise the hwm > 1GB + + +var MAX_HWM = 0x40000000; -// Don't raise the hwm > 8MB -var MAX_HWM = 0x800000; function computeNewHighWaterMark(n) { if (n >= MAX_HWM) { + // TODO(ronag): Throw ERR_VALUE_OUT_OF_RANGE. n = MAX_HWM; } else { // Get the next highest power of 2 to prevent increasing hwm excessively in @@ -5989,56 +6763,55 @@ function computeNewHighWaterMark(n) { n |= n >>> 16; n++; } - return n; -} -// This function is designed to be inlinable, so please take care when making + return n; +} // This function is designed to be inlinable, so please take care when making // changes to the function body. + + function howMuchToRead(n, state) { if (n <= 0 || state.length === 0 && state.ended) return 0; if (state.objectMode) return 1; + if (n !== n) { // Only flow one buffer at a time if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length; - } - // If we're asking for more than the current hwm, then raise the hwm. + } // If we're asking for more than the current hwm, then raise the hwm. + + if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n); - if (n <= state.length) return n; - // Don't have enough + if (n <= state.length) return n; // Don't have enough + if (!state.ended) { state.needReadable = true; return 0; } + return state.length; -} +} // you can override either this method, or the async _read(n) below. + -// you can override either this method, or the async _read(n) below. Readable.prototype.read = function (n) { debug('read', n); n = parseInt(n, 10); var state = this._readableState; var nOrig = n; - - if (n !== 0) state.emittedReadable = false; - - // if we're doing read(0) to trigger a readable event, but we + if (n !== 0) state.emittedReadable = false; // if we're doing read(0) to trigger a readable event, but we // already have a bunch of data in the buffer, then just trigger // the 'readable' event and move on. - if (n === 0 && state.needReadable && (state.length >= state.highWaterMark || state.ended)) { + + if (n === 0 && state.needReadable && ((state.highWaterMark !== 0 ? state.length >= state.highWaterMark : state.length > 0) || state.ended)) { debug('read: emitReadable', state.length, state.ended); if (state.length === 0 && state.ended) endReadable(this);else emitReadable(this); return null; } - n = howMuchToRead(n, state); + n = howMuchToRead(n, state); // if we've ended, and we're now clear, then finish it up. - // if we've ended, and we're now clear, then finish it up. if (n === 0 && state.ended) { if (state.length === 0) endReadable(this); return null; - } - - // All the actual chunk generation logic needs to be + } // All the actual chunk generation logic needs to be // *below* the call to _read. The reason is that in certain // synthetic stream cases, such as passthrough streams, _read // may be a completely synchronous operation which may change @@ -6059,33 +6832,34 @@ Readable.prototype.read = function (n) { // 'readable' etc. // // 3. Actually pull the requested chunks out of the buffer and return. - // if we need a readable event, then we need to do some reading. + + var doRead = state.needReadable; - debug('need readable', doRead); + debug('need readable', doRead); // if we currently have less than the highWaterMark, then also read some - // if we currently have less than the highWaterMark, then also read some if (state.length === 0 || state.length - n < state.highWaterMark) { doRead = true; debug('length less than watermark', doRead); - } - - // however, if we've ended, then there's no point, and if we're already + } // however, if we've ended, then there's no point, and if we're already // reading, then it's unnecessary. + + if (state.ended || state.reading) { doRead = false; debug('reading or ended', doRead); } else if (doRead) { debug('do read'); state.reading = true; - state.sync = true; - // if the length is currently zero, then we *need* a readable event. - if (state.length === 0) state.needReadable = true; - // call internal read method + state.sync = true; // if the length is currently zero, then we *need* a readable event. + + if (state.length === 0) state.needReadable = true; // call internal read method + this._read(state.highWaterMark); - state.sync = false; - // If _read pushed data synchronously, then `reading` will be false, + + state.sync = false; // If _read pushed data synchronously, then `reading` will be false, // and we need to re-evaluate how much data we can return to the user. + if (!state.reading) n = howMuchToRead(nOrig, state); } @@ -6093,91 +6867,144 @@ Readable.prototype.read = function (n) { if (n > 0) ret = fromList(n, state);else ret = null; if (ret === null) { - state.needReadable = true; + state.needReadable = state.length <= state.highWaterMark; n = 0; } else { state.length -= n; + state.awaitDrain = 0; } if (state.length === 0) { // If we have nothing in the buffer, then we want to know // as soon as we *do* get something into the buffer. - if (!state.ended) state.needReadable = true; + if (!state.ended) state.needReadable = true; // If we tried to read() past the EOF, then emit end on the next tick. - // If we tried to read() past the EOF, then emit end on the next tick. if (nOrig !== n && state.ended) endReadable(this); } if (ret !== null) this.emit('data', ret); - return ret; }; function onEofChunk(stream, state) { + debug('onEofChunk'); if (state.ended) return; + if (state.decoder) { var chunk = state.decoder.end(); + if (chunk && chunk.length) { state.buffer.push(chunk); state.length += state.objectMode ? 1 : chunk.length; } } + state.ended = true; - // emit 'readable' now to make sure it gets picked up. - emitReadable(stream); -} + if (state.sync) { + // if we are sync, wait until next tick to emit the data. + // Otherwise we risk emitting data in the flow() + // the readable code triggers during a read() call + emitReadable(stream); + } else { + // emit 'readable' now to make sure it gets picked up. + state.needReadable = false; -// Don't emit readable right away in sync mode, because this can trigger + if (!state.emittedReadable) { + state.emittedReadable = true; + emitReadable_(stream); + } + } +} // Don't emit readable right away in sync mode, because this can trigger // another read() call => stack overflow. This way, it might trigger // a nextTick recursion warning, but that's not so bad. + + function emitReadable(stream) { var state = stream._readableState; + debug('emitReadable', state.needReadable, state.emittedReadable); state.needReadable = false; + if (!state.emittedReadable) { debug('emitReadable', state.flowing); state.emittedReadable = true; - if (state.sync) pna.nextTick(emitReadable_, stream);else emitReadable_(stream); + process.nextTick(emitReadable_, stream); } } function emitReadable_(stream) { - debug('emit readable'); - stream.emit('readable'); - flow(stream); -} + var state = stream._readableState; + debug('emitReadable_', state.destroyed, state.length, state.ended); -// at this point, the user has presumably seen the 'readable' event, + if (!state.destroyed && (state.length || state.ended)) { + stream.emit('readable'); + state.emittedReadable = false; + } // The stream needs another readable event if + // 1. It is not flowing, as the flow mechanism will take + // care of it. + // 2. It is not ended. + // 3. It is below the highWaterMark, so we can schedule + // another readable later. + + + state.needReadable = !state.flowing && !state.ended && state.length <= state.highWaterMark; + flow(stream); +} // at this point, the user has presumably seen the 'readable' event, // and called read() to consume some data. that may have triggered // in turn another _read(n) call, in which case reading = true if // it's in progress. // However, if we're not ended, or reading, and the length < hwm, // then go ahead and try to read some more preemptively. + + function maybeReadMore(stream, state) { if (!state.readingMore) { state.readingMore = true; - pna.nextTick(maybeReadMore_, stream, state); + process.nextTick(maybeReadMore_, stream, state); } } function maybeReadMore_(stream, state) { - var len = state.length; - while (!state.reading && !state.flowing && !state.ended && state.length < state.highWaterMark) { + // Attempt to read more data if we should. + // + // The conditions for reading more data are (one of): + // - Not enough data buffered (state.length < state.highWaterMark). The loop + // is responsible for filling the buffer with enough data if such data + // is available. If highWaterMark is 0 and we are not in the flowing mode + // we should _not_ attempt to buffer any extra data. We'll get more data + // when the stream consumer calls read() instead. + // - No data in the buffer, and the stream is in flowing mode. In this mode + // the loop below is responsible for ensuring read() is called. Failing to + // call read here would abort the flow and there's no other mechanism for + // continuing the flow if the stream consumer has just subscribed to the + // 'data' event. + // + // In addition to the above conditions to keep reading data, the following + // conditions prevent the data from being read: + // - The stream has ended (state.ended). + // - There is already a pending 'read' operation (state.reading). This is a + // case where the the stream has called the implementation defined _read() + // method, but they are processing the call asynchronously and have _not_ + // called push() with new data. In this case we skip performing more + // read()s. The execution ends in this method again after the _read() ends + // up calling push() with more data. + while (!state.reading && !state.ended && (state.length < state.highWaterMark || state.flowing && state.length === 0)) { + var len = state.length; debug('maybeReadMore read 0'); stream.read(0); - if (len === state.length) - // didn't get any data, stop spinning. - break;else len = state.length; + if (len === state.length) // didn't get any data, stop spinning. + break; } - state.readingMore = false; -} -// abstract method. to be overridden in specific implementation classes. + state.readingMore = false; +} // abstract method. to be overridden in specific implementation classes. // call cb(er, data) where data is <= n in length. // for virtual (non-string, non-buffer) streams, "length" is somewhat // arbitrary, and perhaps not very meaningful. + + Readable.prototype._read = function (n) { - this.emit('error', new Error('_read() is not implemented')); + errorOrDestroy(this, new ERR_METHOD_NOT_IMPLEMENTED('_read()')); }; Readable.prototype.pipe = function (dest, pipeOpts) { @@ -6188,24 +7015,26 @@ Readable.prototype.pipe = function (dest, pipeOpts) { case 0: state.pipes = dest; break; + case 1: state.pipes = [state.pipes, dest]; break; + default: state.pipes.push(dest); break; } + state.pipesCount += 1; debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts); - var doEnd = (!pipeOpts || pipeOpts.end !== false) && dest !== process.stdout && dest !== process.stderr; - var endFn = doEnd ? onend : unpipe; - if (state.endEmitted) pna.nextTick(endFn);else src.once('end', endFn); - + if (state.endEmitted) process.nextTick(endFn);else src.once('end', endFn); dest.on('unpipe', onunpipe); + function onunpipe(readable, unpipeInfo) { debug('onunpipe'); + if (readable === src) { if (unpipeInfo && unpipeInfo.hasUnpiped === false) { unpipeInfo.hasUnpiped = true; @@ -6217,19 +7046,19 @@ Readable.prototype.pipe = function (dest, pipeOpts) { function onend() { debug('onend'); dest.end(); - } - - // when the dest drains, it reduces the awaitDrain counter + } // when the dest drains, it reduces the awaitDrain counter // on the source. This would be more elegant with a .once() // handler in flow(), but adding and removing repeatedly is // too slow. + + var ondrain = pipeOnDrain(src); dest.on('drain', ondrain); - var cleanedUp = false; + function cleanup() { - debug('cleanup'); - // cleanup event handlers once the pipe is broken + debug('cleanup'); // cleanup event handlers once the pipe is broken + dest.removeListener('close', onclose); dest.removeListener('finish', onfinish); dest.removeListener('drain', ondrain); @@ -6238,75 +7067,71 @@ Readable.prototype.pipe = function (dest, pipeOpts) { src.removeListener('end', onend); src.removeListener('end', unpipe); src.removeListener('data', ondata); - - cleanedUp = true; - - // if the reader is waiting for a drain event from this + cleanedUp = true; // if the reader is waiting for a drain event from this // specific writer, then it would cause it to never start // flowing again. // So, if this is awaiting a drain, then we just call it now. // If we don't know, then assume that we are waiting for one. + if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain(); } - // If the user pushes more data while we're writing to dest then we'll end up - // in ondata again. However, we only want to increase awaitDrain once because - // dest will only emit one 'drain' event for the multiple writes. - // => Introduce a guard on increasing awaitDrain. - var increasedAwaitDrain = false; src.on('data', ondata); + function ondata(chunk) { debug('ondata'); - increasedAwaitDrain = false; var ret = dest.write(chunk); - if (false === ret && !increasedAwaitDrain) { + debug('dest.write', ret); + + if (ret === false) { // If the user unpiped during `dest.write()`, it is possible // to get stuck in a permanently paused state if that write // also returned false. // => Check whether `dest` is still a piping destination. if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) { - debug('false write response, pause', src._readableState.awaitDrain); - src._readableState.awaitDrain++; - increasedAwaitDrain = true; + debug('false write response, pause', state.awaitDrain); + state.awaitDrain++; } + src.pause(); } - } - - // if the dest has an error, then stop piping into it. + } // if the dest has an error, then stop piping into it. // however, don't suppress the throwing behavior for this. + + function onerror(er) { debug('onerror', er); unpipe(); dest.removeListener('error', onerror); - if (EElistenerCount(dest, 'error') === 0) dest.emit('error', er); - } + if (EElistenerCount(dest, 'error') === 0) errorOrDestroy(dest, er); + } // Make sure our error handler is attached before userland ones. + - // Make sure our error handler is attached before userland ones. - prependListener(dest, 'error', onerror); + prependListener(dest, 'error', onerror); // Both close and finish should trigger unpipe, but only once. - // Both close and finish should trigger unpipe, but only once. function onclose() { dest.removeListener('finish', onfinish); unpipe(); } + dest.once('close', onclose); + function onfinish() { debug('onfinish'); dest.removeListener('close', onclose); unpipe(); } + dest.once('finish', onfinish); function unpipe() { debug('unpipe'); src.unpipe(dest); - } + } // tell the dest that it's being piped to - // tell the dest that it's being piped to - dest.emit('pipe', src); - // start the flow if it hasn't been started already. + dest.emit('pipe', src); // start the flow if it hasn't been started already. + if (!state.flowing) { debug('pipe resume'); src.resume(); @@ -6316,10 +7141,11 @@ Readable.prototype.pipe = function (dest, pipeOpts) { }; function pipeOnDrain(src) { - return function () { + return function pipeOnDrainFunctionResult() { var state = src._readableState; debug('pipeOnDrain', state.awaitDrain); if (state.awaitDrain) state.awaitDrain--; + if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) { state.flowing = true; flow(src); @@ -6329,27 +7155,24 @@ function pipeOnDrain(src) { Readable.prototype.unpipe = function (dest) { var state = this._readableState; - var unpipeInfo = { hasUnpiped: false }; + var unpipeInfo = { + hasUnpiped: false + }; // if we're not piping anywhere, then do nothing. - // if we're not piping anywhere, then do nothing. - if (state.pipesCount === 0) return this; + if (state.pipesCount === 0) return this; // just one destination. most common case. - // just one destination. most common case. if (state.pipesCount === 1) { // passed in one, but it's not the right one. if (dest && dest !== state.pipes) return this; + if (!dest) dest = state.pipes; // got a match. - if (!dest) dest = state.pipes; - - // got a match. state.pipes = null; state.pipesCount = 0; state.flowing = false; if (dest) dest.emit('unpipe', this, unpipeInfo); return this; - } + } // slow case. multiple pipe destinations. - // slow case. multiple pipe destinations. if (!dest) { // remove all. @@ -6360,80 +7183,139 @@ Readable.prototype.unpipe = function (dest) { state.flowing = false; for (var i = 0; i < len; i++) { - dests[i].emit('unpipe', this, unpipeInfo); - }return this; - } + dests[i].emit('unpipe', this, { + hasUnpiped: false + }); + } + + return this; + } // try to find the right one. + - // try to find the right one. var index = indexOf(state.pipes, dest); if (index === -1) return this; - state.pipes.splice(index, 1); state.pipesCount -= 1; if (state.pipesCount === 1) state.pipes = state.pipes[0]; - dest.emit('unpipe', this, unpipeInfo); - return this; -}; - -// set up data events if they are asked for +}; // set up data events if they are asked for // Ensure readable listeners eventually get something + + Readable.prototype.on = function (ev, fn) { var res = Stream.prototype.on.call(this, ev, fn); + var state = this._readableState; if (ev === 'data') { - // Start flowing on next tick if stream isn't explicitly paused - if (this._readableState.flowing !== false) this.resume(); + // update readableListening so that resume() may be a no-op + // a few lines down. This is needed to support once('readable'). + state.readableListening = this.listenerCount('readable') > 0; // Try start flowing on next tick if stream isn't explicitly paused + + if (state.flowing !== false) this.resume(); } else if (ev === 'readable') { - var state = this._readableState; if (!state.endEmitted && !state.readableListening) { state.readableListening = state.needReadable = true; + state.flowing = false; state.emittedReadable = false; - if (!state.reading) { - pna.nextTick(nReadingNextTick, this); - } else if (state.length) { + debug('on readable', state.length, state.reading); + + if (state.length) { emitReadable(this); + } else if (!state.reading) { + process.nextTick(nReadingNextTick, this); } } } return res; }; + Readable.prototype.addListener = Readable.prototype.on; +Readable.prototype.removeListener = function (ev, fn) { + var res = Stream.prototype.removeListener.call(this, ev, fn); + + if (ev === 'readable') { + // We need to check if there is someone still listening to + // readable and reset the state. However this needs to happen + // after readable has been emitted but before I/O (nextTick) to + // support once('readable', fn) cycles. This means that calling + // resume within the same tick will have no + // effect. + process.nextTick(updateReadableListening, this); + } + + return res; +}; + +Readable.prototype.removeAllListeners = function (ev) { + var res = Stream.prototype.removeAllListeners.apply(this, arguments); + + if (ev === 'readable' || ev === undefined) { + // We need to check if there is someone still listening to + // readable and reset the state. However this needs to happen + // after readable has been emitted but before I/O (nextTick) to + // support once('readable', fn) cycles. This means that calling + // resume within the same tick will have no + // effect. + process.nextTick(updateReadableListening, this); + } + + return res; +}; + +function updateReadableListening(self) { + var state = self._readableState; + state.readableListening = self.listenerCount('readable') > 0; + + if (state.resumeScheduled && !state.paused) { + // flowing needs to be set to true now, otherwise + // the upcoming resume will not flow. + state.flowing = true; // crude way to check if we should resume + } else if (self.listenerCount('data') > 0) { + self.resume(); + } +} + function nReadingNextTick(self) { debug('readable nexttick read 0'); self.read(0); -} - -// pause() and resume() are remnants of the legacy readable stream API +} // pause() and resume() are remnants of the legacy readable stream API // If the user uses them, then switch into old mode. + + Readable.prototype.resume = function () { var state = this._readableState; + if (!state.flowing) { - debug('resume'); - state.flowing = true; + debug('resume'); // we flow only if there is no one listening + // for readable, but we still have to call + // resume() + + state.flowing = !state.readableListening; resume(this, state); } + + state.paused = false; return this; }; function resume(stream, state) { if (!state.resumeScheduled) { state.resumeScheduled = true; - pna.nextTick(resume_, stream, state); + process.nextTick(resume_, stream, state); } } function resume_(stream, state) { + debug('resume', state.reading); + if (!state.reading) { - debug('resume read 0'); stream.read(0); } state.resumeScheduled = false; - state.awaitDrain = 0; stream.emit('resume'); flow(stream); if (state.flowing && !state.reading) stream.read(0); @@ -6441,31 +7323,37 @@ function resume_(stream, state) { Readable.prototype.pause = function () { debug('call pause flowing=%j', this._readableState.flowing); - if (false !== this._readableState.flowing) { + + if (this._readableState.flowing !== false) { debug('pause'); this._readableState.flowing = false; this.emit('pause'); } + + this._readableState.paused = true; return this; }; function flow(stream) { var state = stream._readableState; debug('flow', state.flowing); - while (state.flowing && stream.read() !== null) {} -} -// wrap an old-style stream as the async data source. + while (state.flowing && stream.read() !== null) { + ; + } +} // wrap an old-style stream as the async data source. // This is *not* part of the readable stream interface. // It is an ugly unfortunate mess of history. + + Readable.prototype.wrap = function (stream) { var _this = this; var state = this._readableState; var paused = false; - stream.on('end', function () { debug('wrapped end'); + if (state.decoder && !state.ended) { var chunk = state.decoder.end(); if (chunk && chunk.length) _this.push(chunk); @@ -6473,42 +7361,41 @@ Readable.prototype.wrap = function (stream) { _this.push(null); }); - stream.on('data', function (chunk) { debug('wrapped data'); - if (state.decoder) chunk = state.decoder.write(chunk); + if (state.decoder) chunk = state.decoder.write(chunk); // don't skip over falsy values in objectMode - // don't skip over falsy values in objectMode if (state.objectMode && (chunk === null || chunk === undefined)) return;else if (!state.objectMode && (!chunk || !chunk.length)) return; var ret = _this.push(chunk); + if (!ret) { paused = true; stream.pause(); } - }); - - // proxy all the other methods. + }); // proxy all the other methods. // important when wrapping filters and duplexes. + for (var i in stream) { if (this[i] === undefined && typeof stream[i] === 'function') { - this[i] = function (method) { - return function () { + this[i] = function methodWrap(method) { + return function methodWrapReturnFunction() { return stream[method].apply(stream, arguments); }; }(i); } - } + } // proxy certain important events. + - // proxy certain important events. for (var n = 0; n < kProxyEvents.length; n++) { stream.on(kProxyEvents[n], this.emit.bind(this, kProxyEvents[n])); - } - - // when we try to consume some more bytes, simply unpause the + } // when we try to consume some more bytes, simply unpause the // underlying stream. + + this._read = function (n) { debug('wrapped _read', n); + if (paused) { paused = false; stream.resume(); @@ -6518,149 +7405,127 @@ Readable.prototype.wrap = function (stream) { return this; }; +if (typeof Symbol === 'function') { + Readable.prototype[Symbol.asyncIterator] = function () { + if (createReadableStreamAsyncIterator === undefined) { + createReadableStreamAsyncIterator = require('./internal/streams/async_iterator'); + } + + return createReadableStreamAsyncIterator(this); + }; +} + Object.defineProperty(Readable.prototype, 'readableHighWaterMark', { // making it explicit this property is not enumerable // because otherwise some prototype manipulation in // userland will fail enumerable: false, - get: function () { + get: function get() { return this._readableState.highWaterMark; } }); +Object.defineProperty(Readable.prototype, 'readableBuffer', { + // making it explicit this property is not enumerable + // because otherwise some prototype manipulation in + // userland will fail + enumerable: false, + get: function get() { + return this._readableState && this._readableState.buffer; + } +}); +Object.defineProperty(Readable.prototype, 'readableFlowing', { + // making it explicit this property is not enumerable + // because otherwise some prototype manipulation in + // userland will fail + enumerable: false, + get: function get() { + return this._readableState.flowing; + }, + set: function set(state) { + if (this._readableState) { + this._readableState.flowing = state; + } + } +}); // exposed for testing purposes only. -// exposed for testing purposes only. Readable._fromList = fromList; - -// Pluck off n bytes from an array of buffers. +Object.defineProperty(Readable.prototype, 'readableLength', { + // making it explicit this property is not enumerable + // because otherwise some prototype manipulation in + // userland will fail + enumerable: false, + get: function get() { + return this._readableState.length; + } +}); // Pluck off n bytes from an array of buffers. // Length is the combined lengths of all the buffers in the list. // This function is designed to be inlinable, so please take care when making // changes to the function body. + function fromList(n, state) { // nothing buffered if (state.length === 0) return null; - var ret; if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) { // read it all, truncate the list - if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.head.data;else ret = state.buffer.concat(state.length); + if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.first();else ret = state.buffer.concat(state.length); state.buffer.clear(); } else { // read part of list - ret = fromListPartial(n, state.buffer, state.decoder); + ret = state.buffer.consume(n, state.decoder); } - - return ret; -} - -// Extracts only enough buffered data to satisfy the amount requested. -// This function is designed to be inlinable, so please take care when making -// changes to the function body. -function fromListPartial(n, list, hasStrings) { - var ret; - if (n < list.head.data.length) { - // slice is the same for buffers and strings - ret = list.head.data.slice(0, n); - list.head.data = list.head.data.slice(n); - } else if (n === list.head.data.length) { - // first chunk is a perfect match - ret = list.shift(); - } else { - // result spans more than one buffer - ret = hasStrings ? copyFromBufferString(n, list) : copyFromBuffer(n, list); - } - return ret; -} - -// Copies a specified amount of characters from the list of buffered data -// chunks. -// This function is designed to be inlinable, so please take care when making -// changes to the function body. -function copyFromBufferString(n, list) { - var p = list.head; - var c = 1; - var ret = p.data; - n -= ret.length; - while (p = p.next) { - var str = p.data; - var nb = n > str.length ? str.length : n; - if (nb === str.length) ret += str;else ret += str.slice(0, n); - n -= nb; - if (n === 0) { - if (nb === str.length) { - ++c; - if (p.next) list.head = p.next;else list.head = list.tail = null; - } else { - list.head = p; - p.data = str.slice(nb); - } - break; - } - ++c; - } - list.length -= c; - return ret; -} - -// Copies a specified amount of bytes from the list of buffered data chunks. -// This function is designed to be inlinable, so please take care when making -// changes to the function body. -function copyFromBuffer(n, list) { - var ret = Buffer.allocUnsafe(n); - var p = list.head; - var c = 1; - p.data.copy(ret); - n -= p.data.length; - while (p = p.next) { - var buf = p.data; - var nb = n > buf.length ? buf.length : n; - buf.copy(ret, ret.length - n, 0, nb); - n -= nb; - if (n === 0) { - if (nb === buf.length) { - ++c; - if (p.next) list.head = p.next;else list.head = list.tail = null; - } else { - list.head = p; - p.data = buf.slice(nb); - } - break; - } - ++c; - } - list.length -= c; return ret; } function endReadable(stream) { var state = stream._readableState; - - // If we get here before consuming all the bytes, then that is a - // bug in node. Should never happen. - if (state.length > 0) throw new Error('"endReadable()" called on non-empty stream'); + debug('endReadable', state.endEmitted); if (!state.endEmitted) { state.ended = true; - pna.nextTick(endReadableNT, state, stream); + process.nextTick(endReadableNT, state, stream); } } function endReadableNT(state, stream) { - // Check that we didn't get one last unshift. + debug('endReadableNT', state.endEmitted, state.length); // Check that we didn't get one last unshift. + if (!state.endEmitted && state.length === 0) { state.endEmitted = true; stream.readable = false; stream.emit('end'); + + if (state.autoDestroy) { + // In case of duplex streams we need a way to detect + // if the writable side is ready for autoDestroy as well + var wState = stream._writableState; + + if (!wState || wState.autoDestroy && wState.finished) { + stream.destroy(); + } + } } } +if (typeof Symbol === 'function') { + Readable.from = function (iterable, opts) { + if (from === undefined) { + from = require('./internal/streams/from'); + } + + return from(Readable, iterable, opts); + }; +} + function indexOf(xs, x) { for (var i = 0, l = xs.length; i < l; i++) { if (xs[i] === x) return i; } + return -1; } }).call(this)}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{"./_stream_duplex":24,"./internal/streams/BufferList":29,"./internal/streams/destroy":30,"./internal/streams/stream":31,"_process":23,"core-util-is":15,"events":16,"inherits":18,"isarray":20,"process-nextick-args":22,"safe-buffer":32,"string_decoder/":33,"util":13}],27:[function(require,module,exports){ +},{"../errors":36,"./_stream_duplex":37,"./internal/streams/async_iterator":42,"./internal/streams/buffer_list":43,"./internal/streams/destroy":44,"./internal/streams/from":46,"./internal/streams/state":48,"./internal/streams/stream":49,"_process":35,"buffer":17,"events":21,"inherits":30,"string_decoder/":51,"util":16}],40:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a @@ -6681,7 +7546,6 @@ function indexOf(xs, x) { // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. - // a transform stream is a readable/writable stream where you do // something with the data. Sometimes it's called a "filter", // but that's not a great name for it, since that implies a thing where @@ -6723,40 +7587,37 @@ function indexOf(xs, x) { // However, even in such a pathological case, only a single written chunk // would be consumed, and then the rest would wait (un-transformed) until // the results of the previous transformed chunk were consumed. - 'use strict'; module.exports = Transform; -var Duplex = require('./_stream_duplex'); +var _require$codes = require('../errors').codes, + ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED, + ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK, + ERR_TRANSFORM_ALREADY_TRANSFORMING = _require$codes.ERR_TRANSFORM_ALREADY_TRANSFORMING, + ERR_TRANSFORM_WITH_LENGTH_0 = _require$codes.ERR_TRANSFORM_WITH_LENGTH_0; -/**/ -var util = Object.create(require('core-util-is')); -util.inherits = require('inherits'); -/**/ +var Duplex = require('./_stream_duplex'); -util.inherits(Transform, Duplex); +require('inherits')(Transform, Duplex); function afterTransform(er, data) { var ts = this._transformState; ts.transforming = false; - var cb = ts.writecb; - if (!cb) { - return this.emit('error', new Error('write callback called multiple times')); + if (cb === null) { + return this.emit('error', new ERR_MULTIPLE_CALLBACK()); } ts.writechunk = null; ts.writecb = null; - if (data != null) // single equals check for both `null` and `undefined` this.push(data); - cb(er); - var rs = this._readableState; rs.reading = false; + if (rs.needReadable || rs.length < rs.highWaterMark) { this._read(rs.highWaterMark); } @@ -6764,9 +7625,7 @@ function afterTransform(er, data) { function Transform(options) { if (!(this instanceof Transform)) return new Transform(options); - Duplex.call(this, options); - this._transformState = { afterTransform: afterTransform.bind(this), needTransform: false, @@ -6774,30 +7633,27 @@ function Transform(options) { writecb: null, writechunk: null, writeencoding: null - }; - - // start out asking for a readable event once data is transformed. - this._readableState.needReadable = true; + }; // start out asking for a readable event once data is transformed. - // we have implemented the _read method, and done the other things + this._readableState.needReadable = true; // we have implemented the _read method, and done the other things // that Readable wants before the first _read call, so unset the // sync guard flag. + this._readableState.sync = false; if (options) { if (typeof options.transform === 'function') this._transform = options.transform; - if (typeof options.flush === 'function') this._flush = options.flush; - } + } // When the writable side finishes, then flush out anything remaining. + - // When the writable side finishes, then flush out anything remaining. this.on('prefinish', prefinish); } function prefinish() { var _this = this; - if (typeof this._flush === 'function') { + if (typeof this._flush === 'function' && !this._readableState.destroyed) { this._flush(function (er, data) { done(_this, er, data); }); @@ -6809,9 +7665,7 @@ function prefinish() { Transform.prototype.push = function (chunk, encoding) { this._transformState.needTransform = false; return Duplex.prototype.push.call(this, chunk, encoding); -}; - -// This is the part where you do stuff! +}; // This is the part where you do stuff! // override this function in implementation classes. // 'chunk' is an input chunk. // @@ -6821,8 +7675,10 @@ Transform.prototype.push = function (chunk, encoding) { // Call `cb(err)` when you are done with this chunk. If you pass // an error, then that'll put the hurt on the whole operation. If you // never call cb(), then you'll never get another chunk. + + Transform.prototype._transform = function (chunk, encoding, cb) { - throw new Error('_transform() is not implemented'); + cb(new ERR_METHOD_NOT_IMPLEMENTED('_transform()')); }; Transform.prototype._write = function (chunk, encoding, cb) { @@ -6830,20 +7686,22 @@ Transform.prototype._write = function (chunk, encoding, cb) { ts.writecb = cb; ts.writechunk = chunk; ts.writeencoding = encoding; + if (!ts.transforming) { var rs = this._readableState; if (ts.needTransform || rs.needReadable || rs.length < rs.highWaterMark) this._read(rs.highWaterMark); } -}; - -// Doesn't matter what the args are here. +}; // Doesn't matter what the args are here. // _transform does all the work. // That we got here means that the readable side wants more data. + + Transform.prototype._read = function (n) { var ts = this._transformState; - if (ts.writechunk !== null && ts.writecb && !ts.transforming) { + if (ts.writechunk !== null && !ts.transforming) { ts.transforming = true; + this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform); } else { // mark that we need a transform, so that any data that comes in @@ -6853,30 +7711,24 @@ Transform.prototype._read = function (n) { }; Transform.prototype._destroy = function (err, cb) { - var _this2 = this; - Duplex.prototype._destroy.call(this, err, function (err2) { cb(err2); - _this2.emit('close'); }); }; function done(stream, er, data) { if (er) return stream.emit('error', er); - if (data != null) // single equals check for both `null` and `undefined` - stream.push(data); - + stream.push(data); // TODO(BridgeAR): Write a test for these two error cases // if there's nothing in the write buffer, then that means // that nothing more will ever be provided - if (stream._writableState.length) throw new Error('Calling transform done when ws.length != 0'); - - if (stream._transformState.transforming) throw new Error('Calling transform done when still transforming'); + if (stream._writableState.length) throw new ERR_TRANSFORM_WITH_LENGTH_0(); + if (stream._transformState.transforming) throw new ERR_TRANSFORM_ALREADY_TRANSFORMING(); return stream.push(null); } -},{"./_stream_duplex":24,"core-util-is":15,"inherits":18}],28:[function(require,module,exports){ -(function (process,global,setImmediate){(function (){ +},{"../errors":36,"./_stream_duplex":37,"inherits":30}],41:[function(require,module,exports){ +(function (process,global){(function (){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a @@ -6897,35 +7749,29 @@ function done(stream, er, data) { // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. - // A bit simpler than readable streams. // Implement an async ._write(chunk, encoding, cb), and it'll handle all // the drain event emission and buffering. - 'use strict'; -/**/ - -var pna = require('process-nextick-args'); -/**/ - module.exports = Writable; - /* */ + function WriteReq(chunk, encoding, cb) { this.chunk = chunk; this.encoding = encoding; this.callback = cb; this.next = null; -} - -// It seems a linked list but it is not +} // It seems a linked list but it is not // there will be only 2 of these for each stream + + function CorkedRequest(state) { var _this = this; this.next = null; this.entry = null; + this.finish = function () { onCorkedFinish(_this, state); }; @@ -6933,266 +7779,247 @@ function CorkedRequest(state) { /* */ /**/ -var asyncWrite = !process.browser && ['v0.10', 'v0.9.'].indexOf(process.version.slice(0, 5)) > -1 ? setImmediate : pna.nextTick; -/**/ -/**/ + var Duplex; /**/ Writable.WritableState = WritableState; - /**/ -var util = Object.create(require('core-util-is')); -util.inherits = require('inherits'); -/**/ -/**/ var internalUtil = { deprecate: require('util-deprecate') }; /**/ /**/ + var Stream = require('./internal/streams/stream'); /**/ -/**/ -var Buffer = require('safe-buffer').Buffer; +var Buffer = require('buffer').Buffer; + var OurUint8Array = global.Uint8Array || function () {}; + function _uint8ArrayToBuffer(chunk) { return Buffer.from(chunk); } + function _isUint8Array(obj) { return Buffer.isBuffer(obj) || obj instanceof OurUint8Array; } -/**/ - var destroyImpl = require('./internal/streams/destroy'); -util.inherits(Writable, Stream); +var _require = require('./internal/streams/state'), + getHighWaterMark = _require.getHighWaterMark; -function nop() {} +var _require$codes = require('../errors').codes, + ERR_INVALID_ARG_TYPE = _require$codes.ERR_INVALID_ARG_TYPE, + ERR_METHOD_NOT_IMPLEMENTED = _require$codes.ERR_METHOD_NOT_IMPLEMENTED, + ERR_MULTIPLE_CALLBACK = _require$codes.ERR_MULTIPLE_CALLBACK, + ERR_STREAM_CANNOT_PIPE = _require$codes.ERR_STREAM_CANNOT_PIPE, + ERR_STREAM_DESTROYED = _require$codes.ERR_STREAM_DESTROYED, + ERR_STREAM_NULL_VALUES = _require$codes.ERR_STREAM_NULL_VALUES, + ERR_STREAM_WRITE_AFTER_END = _require$codes.ERR_STREAM_WRITE_AFTER_END, + ERR_UNKNOWN_ENCODING = _require$codes.ERR_UNKNOWN_ENCODING; -function WritableState(options, stream) { - Duplex = Duplex || require('./_stream_duplex'); +var errorOrDestroy = destroyImpl.errorOrDestroy; + +require('inherits')(Writable, Stream); - options = options || {}; +function nop() {} - // Duplex streams are both readable and writable, but share +function WritableState(options, stream, isDuplex) { + Duplex = Duplex || require('./_stream_duplex'); + options = options || {}; // Duplex streams are both readable and writable, but share // the same options object. // However, some cases require setting options to different - // values for the readable and the writable sides of the duplex stream. - // These options can be provided separately as readableXXX and writableXXX. - var isDuplex = stream instanceof Duplex; + // values for the readable and the writable sides of the duplex stream, + // e.g. options.readableObjectMode vs. options.writableObjectMode, etc. - // object stream flag to indicate whether or not this stream + if (typeof isDuplex !== 'boolean') isDuplex = stream instanceof Duplex; // object stream flag to indicate whether or not this stream // contains buffers or objects. - this.objectMode = !!options.objectMode; - - if (isDuplex) this.objectMode = this.objectMode || !!options.writableObjectMode; - // the point at which write() starts returning false + this.objectMode = !!options.objectMode; + if (isDuplex) this.objectMode = this.objectMode || !!options.writableObjectMode; // the point at which write() starts returning false // Note: 0 is a valid value, means that we always return false if // the entire buffer is not flushed immediately on write() - var hwm = options.highWaterMark; - var writableHwm = options.writableHighWaterMark; - var defaultHwm = this.objectMode ? 16 : 16 * 1024; - if (hwm || hwm === 0) this.highWaterMark = hwm;else if (isDuplex && (writableHwm || writableHwm === 0)) this.highWaterMark = writableHwm;else this.highWaterMark = defaultHwm; + this.highWaterMark = getHighWaterMark(this, options, 'writableHighWaterMark', isDuplex); // if _final has been called - // cast to ints. - this.highWaterMark = Math.floor(this.highWaterMark); + this.finalCalled = false; // drain event flag. - // if _final has been called - this.finalCalled = false; + this.needDrain = false; // at the start of calling end() - // drain event flag. - this.needDrain = false; - // at the start of calling end() - this.ending = false; - // when end() has been called, and returned - this.ended = false; - // when 'finish' is emitted - this.finished = false; + this.ending = false; // when end() has been called, and returned - // has it been destroyed - this.destroyed = false; + this.ended = false; // when 'finish' is emitted - // should we decode strings into buffers before passing to _write? + this.finished = false; // has it been destroyed + + this.destroyed = false; // should we decode strings into buffers before passing to _write? // this is here so that some node-core streams can optimize string // handling at a lower level. - var noDecode = options.decodeStrings === false; - this.decodeStrings = !noDecode; - // Crypto is kind of old and crusty. Historically, its default string + var noDecode = options.decodeStrings === false; + this.decodeStrings = !noDecode; // Crypto is kind of old and crusty. Historically, its default string // encoding is 'binary' so we have to make this configurable. // Everything else in the universe uses 'utf8', though. - this.defaultEncoding = options.defaultEncoding || 'utf8'; - // not an actual buffer we keep track of, but a measurement + this.defaultEncoding = options.defaultEncoding || 'utf8'; // not an actual buffer we keep track of, but a measurement // of how much we're waiting to get pushed to some underlying // socket or file. - this.length = 0; - // a flag to see when we're in the middle of a write. - this.writing = false; + this.length = 0; // a flag to see when we're in the middle of a write. - // when true all writes will be buffered until .uncork() call - this.corked = 0; + this.writing = false; // when true all writes will be buffered until .uncork() call - // a flag to be able to tell if the onwrite cb is called immediately, + this.corked = 0; // a flag to be able to tell if the onwrite cb is called immediately, // or on a later tick. We set this to true at first, because any // actions that shouldn't happen until "later" should generally also // not happen before the first write call. - this.sync = true; - // a flag to know if we're processing previously buffered items, which + this.sync = true; // a flag to know if we're processing previously buffered items, which // may call the _write() callback in the same tick, so that we don't // end up in an overlapped onwrite situation. - this.bufferProcessing = false; - // the callback that's passed to _write(chunk,cb) + this.bufferProcessing = false; // the callback that's passed to _write(chunk,cb) + this.onwrite = function (er) { onwrite(stream, er); - }; + }; // the callback that the user supplies to write(chunk,encoding,cb) - // the callback that the user supplies to write(chunk,encoding,cb) - this.writecb = null; - // the amount that is being written when _write is called. - this.writelen = 0; + this.writecb = null; // the amount that is being written when _write is called. + this.writelen = 0; this.bufferedRequest = null; - this.lastBufferedRequest = null; - - // number of pending user-supplied write callbacks + this.lastBufferedRequest = null; // number of pending user-supplied write callbacks // this must be 0 before 'finish' can be emitted - this.pendingcb = 0; - // emit prefinish if the only thing we're waiting for is _write cbs + this.pendingcb = 0; // emit prefinish if the only thing we're waiting for is _write cbs // This is relevant for synchronous Transform streams - this.prefinished = false; - // True if the error was already emitted and should not be thrown again - this.errorEmitted = false; + this.prefinished = false; // True if the error was already emitted and should not be thrown again + + this.errorEmitted = false; // Should close be emitted on destroy. Defaults to true. - // count buffered requests - this.bufferedRequestCount = 0; + this.emitClose = options.emitClose !== false; // Should .destroy() be called after 'finish' (and potentially 'end') - // allocate the first CorkedRequest, there is always + this.autoDestroy = !!options.autoDestroy; // count buffered requests + + this.bufferedRequestCount = 0; // allocate the first CorkedRequest, there is always // one allocated and free to use, and we maintain at most two + this.corkedRequestsFree = new CorkedRequest(this); } WritableState.prototype.getBuffer = function getBuffer() { var current = this.bufferedRequest; var out = []; + while (current) { out.push(current); current = current.next; } + return out; }; (function () { try { Object.defineProperty(WritableState.prototype, 'buffer', { - get: internalUtil.deprecate(function () { + get: internalUtil.deprecate(function writableStateBufferGetter() { return this.getBuffer(); }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' + 'instead.', 'DEP0003') }); } catch (_) {} -})(); - -// Test _writableState for inheritance to account for Duplex streams, +})(); // Test _writableState for inheritance to account for Duplex streams, // whose prototype chain only points to Readable. + + var realHasInstance; + if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') { realHasInstance = Function.prototype[Symbol.hasInstance]; Object.defineProperty(Writable, Symbol.hasInstance, { - value: function (object) { + value: function value(object) { if (realHasInstance.call(this, object)) return true; if (this !== Writable) return false; - return object && object._writableState instanceof WritableState; } }); } else { - realHasInstance = function (object) { + realHasInstance = function realHasInstance(object) { return object instanceof this; }; } function Writable(options) { - Duplex = Duplex || require('./_stream_duplex'); - - // Writable ctor is applied to Duplexes, too. + Duplex = Duplex || require('./_stream_duplex'); // Writable ctor is applied to Duplexes, too. // `realHasInstance` is necessary because using plain `instanceof` // would return false, as no `_writableState` property is attached. - // Trying to use the custom `instanceof` for Writable here will also break the // Node.js LazyTransform implementation, which has a non-trivial getter for // `_writableState` that would lead to infinite recursion. - if (!realHasInstance.call(Writable, this) && !(this instanceof Duplex)) { - return new Writable(options); - } + // Checking for a Stream.Duplex instance is faster here instead of inside + // the WritableState constructor, at least with V8 6.5 - this._writableState = new WritableState(options, this); + var isDuplex = this instanceof Duplex; + if (!isDuplex && !realHasInstance.call(Writable, this)) return new Writable(options); + this._writableState = new WritableState(options, this, isDuplex); // legacy. - // legacy. this.writable = true; if (options) { if (typeof options.write === 'function') this._write = options.write; - if (typeof options.writev === 'function') this._writev = options.writev; - if (typeof options.destroy === 'function') this._destroy = options.destroy; - if (typeof options.final === 'function') this._final = options.final; } Stream.call(this); -} +} // Otherwise people can pipe Writable streams, which is just wrong. + -// Otherwise people can pipe Writable streams, which is just wrong. Writable.prototype.pipe = function () { - this.emit('error', new Error('Cannot pipe, not readable')); + errorOrDestroy(this, new ERR_STREAM_CANNOT_PIPE()); }; function writeAfterEnd(stream, cb) { - var er = new Error('write after end'); - // TODO: defer error events consistently everywhere, not just the cb - stream.emit('error', er); - pna.nextTick(cb, er); -} + var er = new ERR_STREAM_WRITE_AFTER_END(); // TODO: defer error events consistently everywhere, not just the cb -// Checks that a user-supplied chunk is valid, especially for the particular + errorOrDestroy(stream, er); + process.nextTick(cb, er); +} // Checks that a user-supplied chunk is valid, especially for the particular // mode the stream is in. Currently this means that `null` is never accepted // and undefined/non-string values are only allowed in object mode. + + function validChunk(stream, state, chunk, cb) { - var valid = true; - var er = false; + var er; if (chunk === null) { - er = new TypeError('May not write null values to stream'); - } else if (typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) { - er = new TypeError('Invalid non-string/buffer chunk'); + er = new ERR_STREAM_NULL_VALUES(); + } else if (typeof chunk !== 'string' && !state.objectMode) { + er = new ERR_INVALID_ARG_TYPE('chunk', ['string', 'Buffer'], chunk); } + if (er) { - stream.emit('error', er); - pna.nextTick(cb, er); - valid = false; + errorOrDestroy(stream, er); + process.nextTick(cb, er); + return false; } - return valid; + + return true; } Writable.prototype.write = function (chunk, encoding, cb) { var state = this._writableState; var ret = false; + var isBuf = !state.objectMode && _isUint8Array(chunk); if (isBuf && !Buffer.isBuffer(chunk)) { @@ -7205,21 +8032,16 @@ Writable.prototype.write = function (chunk, encoding, cb) { } if (isBuf) encoding = 'buffer';else if (!encoding) encoding = state.defaultEncoding; - if (typeof cb !== 'function') cb = nop; - - if (state.ended) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) { + if (state.ending) writeAfterEnd(this, cb);else if (isBuf || validChunk(this, state, chunk, cb)) { state.pendingcb++; ret = writeOrBuffer(this, state, isBuf, chunk, encoding, cb); } - return ret; }; Writable.prototype.cork = function () { - var state = this._writableState; - - state.corked++; + this._writableState.corked++; }; Writable.prototype.uncork = function () { @@ -7227,23 +8049,33 @@ Writable.prototype.uncork = function () { if (state.corked) { state.corked--; - - if (!state.writing && !state.corked && !state.finished && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state); + if (!state.writing && !state.corked && !state.bufferProcessing && state.bufferedRequest) clearBuffer(this, state); } }; Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) { // node::ParseEncoding() requires lower case. if (typeof encoding === 'string') encoding = encoding.toLowerCase(); - if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new TypeError('Unknown encoding: ' + encoding); + if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new ERR_UNKNOWN_ENCODING(encoding); this._writableState.defaultEncoding = encoding; return this; }; +Object.defineProperty(Writable.prototype, 'writableBuffer', { + // making it explicit this property is not enumerable + // because otherwise some prototype manipulation in + // userland will fail + enumerable: false, + get: function get() { + return this._writableState && this._writableState.getBuffer(); + } +}); + function decodeChunk(state, chunk, encoding) { if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') { chunk = Buffer.from(chunk, encoding); } + return chunk; } @@ -7252,29 +8084,28 @@ Object.defineProperty(Writable.prototype, 'writableHighWaterMark', { // because otherwise some prototype manipulation in // userland will fail enumerable: false, - get: function () { + get: function get() { return this._writableState.highWaterMark; } -}); - -// if we're already writing something, then just put this +}); // if we're already writing something, then just put this // in the queue, and wait our turn. Otherwise, call _write // If we return false, then we need a drain event, so set that flag. + function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) { if (!isBuf) { var newChunk = decodeChunk(state, chunk, encoding); + if (chunk !== newChunk) { isBuf = true; encoding = 'buffer'; chunk = newChunk; } } - var len = state.objectMode ? 1 : chunk.length; + var len = state.objectMode ? 1 : chunk.length; state.length += len; + var ret = state.length < state.highWaterMark; // we must ensure that previous needDrain will not be reset to false. - var ret = state.length < state.highWaterMark; - // we must ensure that previous needDrain will not be reset to false. if (!ret) state.needDrain = true; if (state.writing || state.corked) { @@ -7286,11 +8117,13 @@ function writeOrBuffer(stream, state, isBuf, chunk, encoding, cb) { callback: cb, next: null }; + if (last) { last.next = state.lastBufferedRequest; } else { state.bufferedRequest = state.lastBufferedRequest; } + state.bufferedRequestCount += 1; } else { doWrite(stream, state, false, len, chunk, encoding, cb); @@ -7304,7 +8137,7 @@ function doWrite(stream, state, writev, len, chunk, encoding, cb) { state.writecb = cb; state.writing = true; state.sync = true; - if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite); + if (state.destroyed) state.onwrite(new ERR_STREAM_DESTROYED('write'));else if (writev) stream._writev(chunk, state.onwrite);else stream._write(chunk, encoding, state.onwrite); state.sync = false; } @@ -7314,20 +8147,20 @@ function onwriteError(stream, state, sync, er, cb) { if (sync) { // defer the callback if we are being called synchronously // to avoid piling up things on the stack - pna.nextTick(cb, er); - // this can emit finish, and it will always happen + process.nextTick(cb, er); // this can emit finish, and it will always happen // after error - pna.nextTick(finishMaybe, stream, state); + + process.nextTick(finishMaybe, stream, state); stream._writableState.errorEmitted = true; - stream.emit('error', er); + errorOrDestroy(stream, er); } else { // the caller expect this to happen before if // it is async cb(er); stream._writableState.errorEmitted = true; - stream.emit('error', er); - // this can emit finish, but finish must + errorOrDestroy(stream, er); // this can emit finish, but finish must // always follow error + finishMaybe(stream, state); } } @@ -7343,21 +8176,18 @@ function onwrite(stream, er) { var state = stream._writableState; var sync = state.sync; var cb = state.writecb; - + if (typeof cb !== 'function') throw new ERR_MULTIPLE_CALLBACK(); onwriteStateUpdate(state); - if (er) onwriteError(stream, state, sync, er, cb);else { // Check if we're actually ready to finish, but don't emit yet - var finished = needFinish(state); + var finished = needFinish(state) || stream.destroyed; if (!finished && !state.corked && !state.bufferProcessing && state.bufferedRequest) { clearBuffer(stream, state); } if (sync) { - /**/ - asyncWrite(afterWrite, stream, state, finished, cb); - /**/ + process.nextTick(afterWrite, stream, state, finished, cb); } else { afterWrite(stream, state, finished, cb); } @@ -7369,19 +8199,19 @@ function afterWrite(stream, state, finished, cb) { state.pendingcb--; cb(); finishMaybe(stream, state); -} - -// Must force callback to be called on nextTick, so that we don't +} // Must force callback to be called on nextTick, so that we don't // emit 'drain' before the write() consumer gets the 'false' return // value, and has a chance to attach a 'drain' listener. + + function onwriteDrain(stream, state) { if (state.length === 0 && state.needDrain) { state.needDrain = false; stream.emit('drain'); } -} +} // if there's something in the buffer waiting, then process it + -// if there's something in the buffer waiting, then process it function clearBuffer(stream, state) { state.bufferProcessing = true; var entry = state.bufferedRequest; @@ -7392,29 +8222,30 @@ function clearBuffer(stream, state) { var buffer = new Array(l); var holder = state.corkedRequestsFree; holder.entry = entry; - var count = 0; var allBuffers = true; + while (entry) { buffer[count] = entry; if (!entry.isBuf) allBuffers = false; entry = entry.next; count += 1; } - buffer.allBuffers = allBuffers; - - doWrite(stream, state, true, state.length, buffer, '', holder.finish); - // doWrite is almost always async, defer these to save a bit of time + buffer.allBuffers = allBuffers; + doWrite(stream, state, true, state.length, buffer, '', holder.finish); // doWrite is almost always async, defer these to save a bit of time // as the hot path ends with doWrite + state.pendingcb++; state.lastBufferedRequest = null; + if (holder.next) { state.corkedRequestsFree = holder.next; holder.next = null; } else { state.corkedRequestsFree = new CorkedRequest(state); } + state.bufferedRequestCount = 0; } else { // Slow case, write chunks one-by-one @@ -7423,14 +8254,13 @@ function clearBuffer(stream, state) { var encoding = entry.encoding; var cb = entry.callback; var len = state.objectMode ? 1 : chunk.length; - doWrite(stream, state, false, len, chunk, encoding, cb); entry = entry.next; - state.bufferedRequestCount--; - // if we didn't call the onwrite immediately, then + state.bufferedRequestCount--; // if we didn't call the onwrite immediately, then // it means that we need to wait until it does. // also, that means that the chunk and cb are currently // being processed, so move the buffer counter past them. + if (state.writing) { break; } @@ -7444,7 +8274,7 @@ function clearBuffer(stream, state) { } Writable.prototype._write = function (chunk, encoding, cb) { - cb(new Error('_write() is not implemented')); + cb(new ERR_METHOD_NOT_IMPLEMENTED('_write()')); }; Writable.prototype._writev = null; @@ -7461,38 +8291,52 @@ Writable.prototype.end = function (chunk, encoding, cb) { encoding = null; } - if (chunk !== null && chunk !== undefined) this.write(chunk, encoding); + if (chunk !== null && chunk !== undefined) this.write(chunk, encoding); // .end() fully uncorks - // .end() fully uncorks if (state.corked) { state.corked = 1; this.uncork(); - } + } // ignore unnecessary end() calls. + - // ignore unnecessary end() calls. - if (!state.ending && !state.finished) endWritable(this, state, cb); + if (!state.ending) endWritable(this, state, cb); + return this; }; +Object.defineProperty(Writable.prototype, 'writableLength', { + // making it explicit this property is not enumerable + // because otherwise some prototype manipulation in + // userland will fail + enumerable: false, + get: function get() { + return this._writableState.length; + } +}); + function needFinish(state) { return state.ending && state.length === 0 && state.bufferedRequest === null && !state.finished && !state.writing; } + function callFinal(stream, state) { stream._final(function (err) { state.pendingcb--; + if (err) { - stream.emit('error', err); + errorOrDestroy(stream, err); } + state.prefinished = true; stream.emit('prefinish'); finishMaybe(stream, state); }); } + function prefinish(stream, state) { if (!state.prefinished && !state.finalCalled) { - if (typeof stream._final === 'function') { + if (typeof stream._final === 'function' && !state.destroyed) { state.pendingcb++; state.finalCalled = true; - pna.nextTick(callFinal, stream, state); + process.nextTick(callFinal, stream, state); } else { state.prefinished = true; stream.emit('prefinish'); @@ -7502,22 +8346,37 @@ function prefinish(stream, state) { function finishMaybe(stream, state) { var need = needFinish(state); + if (need) { prefinish(stream, state); + if (state.pendingcb === 0) { state.finished = true; stream.emit('finish'); + + if (state.autoDestroy) { + // In case of duplex streams we need a way to detect + // if the readable side is ready for autoDestroy as well + var rState = stream._readableState; + + if (!rState || rState.autoDestroy && rState.endEmitted) { + stream.destroy(); + } + } } } + return need; } function endWritable(stream, state, cb) { state.ending = true; finishMaybe(stream, state); + if (cb) { - if (state.finished) pna.nextTick(cb);else stream.once('finish', cb); + if (state.finished) process.nextTick(cb);else stream.once('finish', cb); } + state.ended = true; stream.writable = false; } @@ -7525,59 +8384,289 @@ function endWritable(stream, state, cb) { function onCorkedFinish(corkReq, state, err) { var entry = corkReq.entry; corkReq.entry = null; + while (entry) { var cb = entry.callback; state.pendingcb--; cb(err); entry = entry.next; - } - if (state.corkedRequestsFree) { - state.corkedRequestsFree.next = corkReq; - } else { - state.corkedRequestsFree = corkReq; - } + } // reuse the free corkReq. + + + state.corkedRequestsFree.next = corkReq; } Object.defineProperty(Writable.prototype, 'destroyed', { - get: function () { + // making it explicit this property is not enumerable + // because otherwise some prototype manipulation in + // userland will fail + enumerable: false, + get: function get() { if (this._writableState === undefined) { return false; } + return this._writableState.destroyed; }, - set: function (value) { + set: function set(value) { // we ignore the value if the stream // has not been initialized yet if (!this._writableState) { return; - } - - // backward compatibility, the user is explicitly + } // backward compatibility, the user is explicitly // managing destroyed + + this._writableState.destroyed = value; } }); - Writable.prototype.destroy = destroyImpl.destroy; Writable.prototype._undestroy = destroyImpl.undestroy; + Writable.prototype._destroy = function (err, cb) { - this.end(); cb(err); }; -}).call(this)}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {},require("timers").setImmediate) -},{"./_stream_duplex":24,"./internal/streams/destroy":30,"./internal/streams/stream":31,"_process":23,"core-util-is":15,"inherits":18,"process-nextick-args":22,"safe-buffer":32,"timers":36,"util-deprecate":37}],29:[function(require,module,exports){ +}).call(this)}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"../errors":36,"./_stream_duplex":37,"./internal/streams/destroy":44,"./internal/streams/state":48,"./internal/streams/stream":49,"_process":35,"buffer":17,"inherits":30,"util-deprecate":54}],42:[function(require,module,exports){ +(function (process){(function (){ +'use strict'; + +var _Object$setPrototypeO; + +function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } + +var finished = require('./end-of-stream'); + +var kLastResolve = Symbol('lastResolve'); +var kLastReject = Symbol('lastReject'); +var kError = Symbol('error'); +var kEnded = Symbol('ended'); +var kLastPromise = Symbol('lastPromise'); +var kHandlePromise = Symbol('handlePromise'); +var kStream = Symbol('stream'); + +function createIterResult(value, done) { + return { + value: value, + done: done + }; +} + +function readAndResolve(iter) { + var resolve = iter[kLastResolve]; + + if (resolve !== null) { + var data = iter[kStream].read(); // we defer if data is null + // we can be expecting either 'end' or + // 'error' + + if (data !== null) { + iter[kLastPromise] = null; + iter[kLastResolve] = null; + iter[kLastReject] = null; + resolve(createIterResult(data, false)); + } + } +} + +function onReadable(iter) { + // we wait for the next tick, because it might + // emit an error with process.nextTick + process.nextTick(readAndResolve, iter); +} + +function wrapForNext(lastPromise, iter) { + return function (resolve, reject) { + lastPromise.then(function () { + if (iter[kEnded]) { + resolve(createIterResult(undefined, true)); + return; + } + + iter[kHandlePromise](resolve, reject); + }, reject); + }; +} + +var AsyncIteratorPrototype = Object.getPrototypeOf(function () {}); +var ReadableStreamAsyncIteratorPrototype = Object.setPrototypeOf((_Object$setPrototypeO = { + get stream() { + return this[kStream]; + }, + + next: function next() { + var _this = this; + + // if we have detected an error in the meanwhile + // reject straight away + var error = this[kError]; + + if (error !== null) { + return Promise.reject(error); + } + + if (this[kEnded]) { + return Promise.resolve(createIterResult(undefined, true)); + } + + if (this[kStream].destroyed) { + // We need to defer via nextTick because if .destroy(err) is + // called, the error will be emitted via nextTick, and + // we cannot guarantee that there is no error lingering around + // waiting to be emitted. + return new Promise(function (resolve, reject) { + process.nextTick(function () { + if (_this[kError]) { + reject(_this[kError]); + } else { + resolve(createIterResult(undefined, true)); + } + }); + }); + } // if we have multiple next() calls + // we will wait for the previous Promise to finish + // this logic is optimized to support for await loops, + // where next() is only called once at a time + + + var lastPromise = this[kLastPromise]; + var promise; + + if (lastPromise) { + promise = new Promise(wrapForNext(lastPromise, this)); + } else { + // fast path needed to support multiple this.push() + // without triggering the next() queue + var data = this[kStream].read(); + + if (data !== null) { + return Promise.resolve(createIterResult(data, false)); + } + + promise = new Promise(this[kHandlePromise]); + } + + this[kLastPromise] = promise; + return promise; + } +}, _defineProperty(_Object$setPrototypeO, Symbol.asyncIterator, function () { + return this; +}), _defineProperty(_Object$setPrototypeO, "return", function _return() { + var _this2 = this; + + // destroy(err, cb) is a private API + // we can guarantee we have that here, because we control the + // Readable class this is attached to + return new Promise(function (resolve, reject) { + _this2[kStream].destroy(null, function (err) { + if (err) { + reject(err); + return; + } + + resolve(createIterResult(undefined, true)); + }); + }); +}), _Object$setPrototypeO), AsyncIteratorPrototype); + +var createReadableStreamAsyncIterator = function createReadableStreamAsyncIterator(stream) { + var _Object$create; + + var iterator = Object.create(ReadableStreamAsyncIteratorPrototype, (_Object$create = {}, _defineProperty(_Object$create, kStream, { + value: stream, + writable: true + }), _defineProperty(_Object$create, kLastResolve, { + value: null, + writable: true + }), _defineProperty(_Object$create, kLastReject, { + value: null, + writable: true + }), _defineProperty(_Object$create, kError, { + value: null, + writable: true + }), _defineProperty(_Object$create, kEnded, { + value: stream._readableState.endEmitted, + writable: true + }), _defineProperty(_Object$create, kHandlePromise, { + value: function value(resolve, reject) { + var data = iterator[kStream].read(); + + if (data) { + iterator[kLastPromise] = null; + iterator[kLastResolve] = null; + iterator[kLastReject] = null; + resolve(createIterResult(data, false)); + } else { + iterator[kLastResolve] = resolve; + iterator[kLastReject] = reject; + } + }, + writable: true + }), _Object$create)); + iterator[kLastPromise] = null; + finished(stream, function (err) { + if (err && err.code !== 'ERR_STREAM_PREMATURE_CLOSE') { + var reject = iterator[kLastReject]; // reject if we are waiting for data in the Promise + // returned by next() and store the error + + if (reject !== null) { + iterator[kLastPromise] = null; + iterator[kLastResolve] = null; + iterator[kLastReject] = null; + reject(err); + } + + iterator[kError] = err; + return; + } + + var resolve = iterator[kLastResolve]; + + if (resolve !== null) { + iterator[kLastPromise] = null; + iterator[kLastResolve] = null; + iterator[kLastReject] = null; + resolve(createIterResult(undefined, true)); + } + + iterator[kEnded] = true; + }); + stream.on('readable', onReadable.bind(null, iterator)); + return iterator; +}; + +module.exports = createReadableStreamAsyncIterator; +}).call(this)}).call(this,require('_process')) +},{"./end-of-stream":45,"_process":35}],43:[function(require,module,exports){ 'use strict'; +function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; } + +function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; } + +function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; } + function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } -var Buffer = require('safe-buffer').Buffer; -var util = require('util'); +function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } + +function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } + +var _require = require('buffer'), + Buffer = _require.Buffer; + +var _require2 = require('util'), + inspect = _require2.inspect; + +var custom = inspect && inspect.custom || 'inspect'; function copyBuffer(src, target, offset) { - src.copy(target, offset); + Buffer.prototype.copy.call(src, target, offset); } -module.exports = function () { +module.exports = +/*#__PURE__*/ +function () { function BufferList() { _classCallCheck(this, BufferList); @@ -7586,74 +8675,183 @@ module.exports = function () { this.length = 0; } - BufferList.prototype.push = function push(v) { - var entry = { data: v, next: null }; - if (this.length > 0) this.tail.next = entry;else this.head = entry; - this.tail = entry; - ++this.length; - }; + _createClass(BufferList, [{ + key: "push", + value: function push(v) { + var entry = { + data: v, + next: null + }; + if (this.length > 0) this.tail.next = entry;else this.head = entry; + this.tail = entry; + ++this.length; + } + }, { + key: "unshift", + value: function unshift(v) { + var entry = { + data: v, + next: this.head + }; + if (this.length === 0) this.tail = entry; + this.head = entry; + ++this.length; + } + }, { + key: "shift", + value: function shift() { + if (this.length === 0) return; + var ret = this.head.data; + if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next; + --this.length; + return ret; + } + }, { + key: "clear", + value: function clear() { + this.head = this.tail = null; + this.length = 0; + } + }, { + key: "join", + value: function join(s) { + if (this.length === 0) return ''; + var p = this.head; + var ret = '' + p.data; + + while (p = p.next) { + ret += s + p.data; + } - BufferList.prototype.unshift = function unshift(v) { - var entry = { data: v, next: this.head }; - if (this.length === 0) this.tail = entry; - this.head = entry; - ++this.length; - }; + return ret; + } + }, { + key: "concat", + value: function concat(n) { + if (this.length === 0) return Buffer.alloc(0); + var ret = Buffer.allocUnsafe(n >>> 0); + var p = this.head; + var i = 0; - BufferList.prototype.shift = function shift() { - if (this.length === 0) return; - var ret = this.head.data; - if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next; - --this.length; - return ret; - }; + while (p) { + copyBuffer(p.data, ret, i); + i += p.data.length; + p = p.next; + } - BufferList.prototype.clear = function clear() { - this.head = this.tail = null; - this.length = 0; - }; + return ret; + } // Consumes a specified amount of bytes or characters from the buffered data. + + }, { + key: "consume", + value: function consume(n, hasStrings) { + var ret; + + if (n < this.head.data.length) { + // `slice` is the same for buffers and strings. + ret = this.head.data.slice(0, n); + this.head.data = this.head.data.slice(n); + } else if (n === this.head.data.length) { + // First chunk is a perfect match. + ret = this.shift(); + } else { + // Result spans more than one buffer. + ret = hasStrings ? this._getString(n) : this._getBuffer(n); + } - BufferList.prototype.join = function join(s) { - if (this.length === 0) return ''; - var p = this.head; - var ret = '' + p.data; - while (p = p.next) { - ret += s + p.data; - }return ret; - }; + return ret; + } + }, { + key: "first", + value: function first() { + return this.head.data; + } // Consumes a specified amount of characters from the buffered data. + + }, { + key: "_getString", + value: function _getString(n) { + var p = this.head; + var c = 1; + var ret = p.data; + n -= ret.length; + + while (p = p.next) { + var str = p.data; + var nb = n > str.length ? str.length : n; + if (nb === str.length) ret += str;else ret += str.slice(0, n); + n -= nb; + + if (n === 0) { + if (nb === str.length) { + ++c; + if (p.next) this.head = p.next;else this.head = this.tail = null; + } else { + this.head = p; + p.data = str.slice(nb); + } - BufferList.prototype.concat = function concat(n) { - if (this.length === 0) return Buffer.alloc(0); - if (this.length === 1) return this.head.data; - var ret = Buffer.allocUnsafe(n >>> 0); - var p = this.head; - var i = 0; - while (p) { - copyBuffer(p.data, ret, i); - i += p.data.length; - p = p.next; - } - return ret; - }; + break; + } - return BufferList; -}(); + ++c; + } -if (util && util.inspect && util.inspect.custom) { - module.exports.prototype[util.inspect.custom] = function () { - var obj = util.inspect({ length: this.length }); - return this.constructor.name + ' ' + obj; - }; -} -},{"safe-buffer":32,"util":13}],30:[function(require,module,exports){ -'use strict'; + this.length -= c; + return ret; + } // Consumes a specified amount of bytes from the buffered data. + + }, { + key: "_getBuffer", + value: function _getBuffer(n) { + var ret = Buffer.allocUnsafe(n); + var p = this.head; + var c = 1; + p.data.copy(ret); + n -= p.data.length; + + while (p = p.next) { + var buf = p.data; + var nb = n > buf.length ? buf.length : n; + buf.copy(ret, ret.length - n, 0, nb); + n -= nb; + + if (n === 0) { + if (nb === buf.length) { + ++c; + if (p.next) this.head = p.next;else this.head = this.tail = null; + } else { + this.head = p; + p.data = buf.slice(nb); + } -/**/ + break; + } -var pna = require('process-nextick-args'); -/**/ + ++c; + } + + this.length -= c; + return ret; + } // Make sure the linked list only shows the minimal necessary information. + + }, { + key: custom, + value: function value(_, options) { + return inspect(this, _objectSpread({}, options, { + // Only inspect one level. + depth: 0, + // It should not recurse. + customInspect: false + })); + } + }]); + + return BufferList; +}(); +},{"buffer":17,"util":16}],44:[function(require,module,exports){ +(function (process){(function (){ +'use strict'; // undocumented cb() API, needed for core, not for public API -// undocumented cb() API, needed for core, not for public API function destroy(err, cb) { var _this = this; @@ -7663,38 +8861,61 @@ function destroy(err, cb) { if (readableDestroyed || writableDestroyed) { if (cb) { cb(err); - } else if (err && (!this._writableState || !this._writableState.errorEmitted)) { - pna.nextTick(emitErrorNT, this, err); + } else if (err) { + if (!this._writableState) { + process.nextTick(emitErrorNT, this, err); + } else if (!this._writableState.errorEmitted) { + this._writableState.errorEmitted = true; + process.nextTick(emitErrorNT, this, err); + } } - return this; - } - // we set destroyed to true before firing error callbacks in order + return this; + } // we set destroyed to true before firing error callbacks in order // to make it re-entrance safe in case destroy() is called within callbacks + if (this._readableState) { this._readableState.destroyed = true; - } + } // if this is a duplex stream mark the writable part as destroyed as well + - // if this is a duplex stream mark the writable part as destroyed as well if (this._writableState) { this._writableState.destroyed = true; } this._destroy(err || null, function (err) { if (!cb && err) { - pna.nextTick(emitErrorNT, _this, err); - if (_this._writableState) { + if (!_this._writableState) { + process.nextTick(emitErrorAndCloseNT, _this, err); + } else if (!_this._writableState.errorEmitted) { _this._writableState.errorEmitted = true; + process.nextTick(emitErrorAndCloseNT, _this, err); + } else { + process.nextTick(emitCloseNT, _this); } } else if (cb) { + process.nextTick(emitCloseNT, _this); cb(err); + } else { + process.nextTick(emitCloseNT, _this); } }); return this; } +function emitErrorAndCloseNT(self, err) { + emitErrorNT(self, err); + emitCloseNT(self); +} + +function emitCloseNT(self) { + if (self._writableState && !self._writableState.emitClose) return; + if (self._readableState && !self._readableState.emitClose) return; + self.emit('close'); +} + function undestroy() { if (this._readableState) { this._readableState.destroyed = false; @@ -7707,6 +8928,8 @@ function undestroy() { this._writableState.destroyed = false; this._writableState.ended = false; this._writableState.ending = false; + this._writableState.finalCalled = false; + this._writableState.prefinished = false; this._writableState.finished = false; this._writableState.errorEmitted = false; } @@ -7716,23 +8939,272 @@ function emitErrorNT(self, err) { self.emit('error', err); } +function errorOrDestroy(stream, err) { + // We have tests that rely on errors being emitted + // in the same tick, so changing this is semver major. + // For now when you opt-in to autoDestroy we allow + // the error to be emitted nextTick. In a future + // semver major update we should change the default to this. + var rState = stream._readableState; + var wState = stream._writableState; + if (rState && rState.autoDestroy || wState && wState.autoDestroy) stream.destroy(err);else stream.emit('error', err); +} + module.exports = { destroy: destroy, - undestroy: undestroy + undestroy: undestroy, + errorOrDestroy: errorOrDestroy }; -},{"process-nextick-args":22}],31:[function(require,module,exports){ -module.exports = require('events').EventEmitter; +}).call(this)}).call(this,require('_process')) +},{"_process":35}],45:[function(require,module,exports){ +// Ported from https://github.com/mafintosh/end-of-stream with +// permission from the author, Mathias Buus (@mafintosh). +'use strict'; -},{"events":16}],32:[function(require,module,exports){ -/* eslint-disable node/no-deprecated-api */ -var buffer = require('buffer') -var Buffer = buffer.Buffer +var ERR_STREAM_PREMATURE_CLOSE = require('../../../errors').codes.ERR_STREAM_PREMATURE_CLOSE; -// alternative to using Object.keys for old browsers -function copyProps (src, dst) { - for (var key in src) { - dst[key] = src[key] - } +function once(callback) { + var called = false; + return function () { + if (called) return; + called = true; + + for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { + args[_key] = arguments[_key]; + } + + callback.apply(this, args); + }; +} + +function noop() {} + +function isRequest(stream) { + return stream.setHeader && typeof stream.abort === 'function'; +} + +function eos(stream, opts, callback) { + if (typeof opts === 'function') return eos(stream, null, opts); + if (!opts) opts = {}; + callback = once(callback || noop); + var readable = opts.readable || opts.readable !== false && stream.readable; + var writable = opts.writable || opts.writable !== false && stream.writable; + + var onlegacyfinish = function onlegacyfinish() { + if (!stream.writable) onfinish(); + }; + + var writableEnded = stream._writableState && stream._writableState.finished; + + var onfinish = function onfinish() { + writable = false; + writableEnded = true; + if (!readable) callback.call(stream); + }; + + var readableEnded = stream._readableState && stream._readableState.endEmitted; + + var onend = function onend() { + readable = false; + readableEnded = true; + if (!writable) callback.call(stream); + }; + + var onerror = function onerror(err) { + callback.call(stream, err); + }; + + var onclose = function onclose() { + var err; + + if (readable && !readableEnded) { + if (!stream._readableState || !stream._readableState.ended) err = new ERR_STREAM_PREMATURE_CLOSE(); + return callback.call(stream, err); + } + + if (writable && !writableEnded) { + if (!stream._writableState || !stream._writableState.ended) err = new ERR_STREAM_PREMATURE_CLOSE(); + return callback.call(stream, err); + } + }; + + var onrequest = function onrequest() { + stream.req.on('finish', onfinish); + }; + + if (isRequest(stream)) { + stream.on('complete', onfinish); + stream.on('abort', onclose); + if (stream.req) onrequest();else stream.on('request', onrequest); + } else if (writable && !stream._writableState) { + // legacy streams + stream.on('end', onlegacyfinish); + stream.on('close', onlegacyfinish); + } + + stream.on('end', onend); + stream.on('finish', onfinish); + if (opts.error !== false) stream.on('error', onerror); + stream.on('close', onclose); + return function () { + stream.removeListener('complete', onfinish); + stream.removeListener('abort', onclose); + stream.removeListener('request', onrequest); + if (stream.req) stream.req.removeListener('finish', onfinish); + stream.removeListener('end', onlegacyfinish); + stream.removeListener('close', onlegacyfinish); + stream.removeListener('finish', onfinish); + stream.removeListener('end', onend); + stream.removeListener('error', onerror); + stream.removeListener('close', onclose); + }; +} + +module.exports = eos; +},{"../../../errors":36}],46:[function(require,module,exports){ +module.exports = function () { + throw new Error('Readable.from is not available in the browser') +}; + +},{}],47:[function(require,module,exports){ +// Ported from https://github.com/mafintosh/pump with +// permission from the author, Mathias Buus (@mafintosh). +'use strict'; + +var eos; + +function once(callback) { + var called = false; + return function () { + if (called) return; + called = true; + callback.apply(void 0, arguments); + }; +} + +var _require$codes = require('../../../errors').codes, + ERR_MISSING_ARGS = _require$codes.ERR_MISSING_ARGS, + ERR_STREAM_DESTROYED = _require$codes.ERR_STREAM_DESTROYED; + +function noop(err) { + // Rethrow the error if it exists to avoid swallowing it + if (err) throw err; +} + +function isRequest(stream) { + return stream.setHeader && typeof stream.abort === 'function'; +} + +function destroyer(stream, reading, writing, callback) { + callback = once(callback); + var closed = false; + stream.on('close', function () { + closed = true; + }); + if (eos === undefined) eos = require('./end-of-stream'); + eos(stream, { + readable: reading, + writable: writing + }, function (err) { + if (err) return callback(err); + closed = true; + callback(); + }); + var destroyed = false; + return function (err) { + if (closed) return; + if (destroyed) return; + destroyed = true; // request.destroy just do .end - .abort is what we want + + if (isRequest(stream)) return stream.abort(); + if (typeof stream.destroy === 'function') return stream.destroy(); + callback(err || new ERR_STREAM_DESTROYED('pipe')); + }; +} + +function call(fn) { + fn(); +} + +function pipe(from, to) { + return from.pipe(to); +} + +function popCallback(streams) { + if (!streams.length) return noop; + if (typeof streams[streams.length - 1] !== 'function') return noop; + return streams.pop(); +} + +function pipeline() { + for (var _len = arguments.length, streams = new Array(_len), _key = 0; _key < _len; _key++) { + streams[_key] = arguments[_key]; + } + + var callback = popCallback(streams); + if (Array.isArray(streams[0])) streams = streams[0]; + + if (streams.length < 2) { + throw new ERR_MISSING_ARGS('streams'); + } + + var error; + var destroys = streams.map(function (stream, i) { + var reading = i < streams.length - 1; + var writing = i > 0; + return destroyer(stream, reading, writing, function (err) { + if (!error) error = err; + if (err) destroys.forEach(call); + if (reading) return; + destroys.forEach(call); + callback(error); + }); + }); + return streams.reduce(pipe); +} + +module.exports = pipeline; +},{"../../../errors":36,"./end-of-stream":45}],48:[function(require,module,exports){ +'use strict'; + +var ERR_INVALID_OPT_VALUE = require('../../../errors').codes.ERR_INVALID_OPT_VALUE; + +function highWaterMarkFrom(options, isDuplex, duplexKey) { + return options.highWaterMark != null ? options.highWaterMark : isDuplex ? options[duplexKey] : null; +} + +function getHighWaterMark(state, options, duplexKey, isDuplex) { + var hwm = highWaterMarkFrom(options, isDuplex, duplexKey); + + if (hwm != null) { + if (!(isFinite(hwm) && Math.floor(hwm) === hwm) || hwm < 0) { + var name = isDuplex ? duplexKey : 'highWaterMark'; + throw new ERR_INVALID_OPT_VALUE(name, hwm); + } + + return Math.floor(hwm); + } // Default value + + + return state.objectMode ? 16 : 16 * 1024; +} + +module.exports = { + getHighWaterMark: getHighWaterMark +}; +},{"../../../errors":36}],49:[function(require,module,exports){ +module.exports = require('events').EventEmitter; + +},{"events":21}],50:[function(require,module,exports){ +/* eslint-disable node/no-deprecated-api */ +var buffer = require('buffer') +var Buffer = buffer.Buffer + +// alternative to using Object.keys for old browsers +function copyProps (src, dst) { + for (var key in src) { + dst[key] = src[key] + } } if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) { module.exports = buffer @@ -7787,7 +9259,7 @@ SafeBuffer.allocUnsafeSlow = function (size) { return buffer.SlowBuffer(size) } -},{"buffer":14}],33:[function(require,module,exports){ +},{"buffer":17}],51:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a @@ -8084,7 +9556,7 @@ function simpleWrite(buf) { function simpleEnd(buf) { return buf && buf.length ? this.write(buf) : ''; } -},{"safe-buffer":32}],34:[function(require,module,exports){ +},{"safe-buffer":50}],52:[function(require,module,exports){ exports = module.exports = require('./lib/_stream_readable.js'); exports.Stream = exports; exports.Readable = exports; @@ -8092,8 +9564,10 @@ exports.Writable = require('./lib/_stream_writable.js'); exports.Duplex = require('./lib/_stream_duplex.js'); exports.Transform = require('./lib/_stream_transform.js'); exports.PassThrough = require('./lib/_stream_passthrough.js'); +exports.finished = require('./lib/internal/streams/end-of-stream.js'); +exports.pipeline = require('./lib/internal/streams/pipeline.js'); -},{"./lib/_stream_duplex.js":24,"./lib/_stream_passthrough.js":25,"./lib/_stream_readable.js":26,"./lib/_stream_transform.js":27,"./lib/_stream_writable.js":28}],35:[function(require,module,exports){ +},{"./lib/_stream_duplex.js":37,"./lib/_stream_passthrough.js":38,"./lib/_stream_readable.js":39,"./lib/_stream_transform.js":40,"./lib/_stream_writable.js":41,"./lib/internal/streams/end-of-stream.js":45,"./lib/internal/streams/pipeline.js":47}],53:[function(require,module,exports){ /*! safe-buffer. MIT License. Feross Aboukhadijeh */ /* eslint-disable node/no-deprecated-api */ var buffer = require('buffer') @@ -8160,86 +9634,7 @@ SafeBuffer.allocUnsafeSlow = function (size) { return buffer.SlowBuffer(size) } -},{"buffer":14}],36:[function(require,module,exports){ -(function (setImmediate,clearImmediate){(function (){ -var nextTick = require('process/browser.js').nextTick; -var apply = Function.prototype.apply; -var slice = Array.prototype.slice; -var immediateIds = {}; -var nextImmediateId = 0; - -// DOM APIs, for completeness - -exports.setTimeout = function() { - return new Timeout(apply.call(setTimeout, window, arguments), clearTimeout); -}; -exports.setInterval = function() { - return new Timeout(apply.call(setInterval, window, arguments), clearInterval); -}; -exports.clearTimeout = -exports.clearInterval = function(timeout) { timeout.close(); }; - -function Timeout(id, clearFn) { - this._id = id; - this._clearFn = clearFn; -} -Timeout.prototype.unref = Timeout.prototype.ref = function() {}; -Timeout.prototype.close = function() { - this._clearFn.call(window, this._id); -}; - -// Does not start the time, just sets up the members needed. -exports.enroll = function(item, msecs) { - clearTimeout(item._idleTimeoutId); - item._idleTimeout = msecs; -}; - -exports.unenroll = function(item) { - clearTimeout(item._idleTimeoutId); - item._idleTimeout = -1; -}; - -exports._unrefActive = exports.active = function(item) { - clearTimeout(item._idleTimeoutId); - - var msecs = item._idleTimeout; - if (msecs >= 0) { - item._idleTimeoutId = setTimeout(function onTimeout() { - if (item._onTimeout) - item._onTimeout(); - }, msecs); - } -}; - -// That's not how node.js implements it but the exposed api is the same. -exports.setImmediate = typeof setImmediate === "function" ? setImmediate : function(fn) { - var id = nextImmediateId++; - var args = arguments.length < 2 ? false : slice.call(arguments, 1); - - immediateIds[id] = true; - - nextTick(function onNextTick() { - if (immediateIds[id]) { - // fn.call() is faster so we optimize for the common use-case - // @see http://jsperf.com/call-apply-segu - if (args) { - fn.apply(null, args); - } else { - fn.call(null); - } - // Prevent ids from leaking - exports.clearImmediate(id); - } - }); - - return id; -}; - -exports.clearImmediate = typeof clearImmediate === "function" ? clearImmediate : function(id) { - delete immediateIds[id]; -}; -}).call(this)}).call(this,require("timers").setImmediate,require("timers").clearImmediate) -},{"process/browser.js":23,"timers":36}],37:[function(require,module,exports){ +},{"buffer":17}],54:[function(require,module,exports){ (function (global){(function (){ /** @@ -8310,11 +9705,1120 @@ function config (name) { } }).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{}],38:[function(require,module,exports){ -arguments[4][8][0].apply(exports,arguments) -},{"dup":8}],39:[function(require,module,exports){ -arguments[4][9][0].apply(exports,arguments) -},{"dup":9}],40:[function(require,module,exports){ +},{}],55:[function(require,module,exports){ arguments[4][10][0].apply(exports,arguments) -},{"./support/isBuffer":39,"_process":23,"dup":10,"inherits":38}]},{},[1])(1) +},{"dup":10}],56:[function(require,module,exports){ +// Currently in sync with Node.js lib/internal/util/types.js +// https://github.com/nodejs/node/commit/112cc7c27551254aa2b17098fb774867f05ed0d9 + +'use strict'; + +var isArgumentsObject = require('is-arguments'); +var isGeneratorFunction = require('is-generator-function'); +var whichTypedArray = require('which-typed-array'); +var isTypedArray = require('is-typed-array'); + +function uncurryThis(f) { + return f.call.bind(f); +} + +var BigIntSupported = typeof BigInt !== 'undefined'; +var SymbolSupported = typeof Symbol !== 'undefined'; + +var ObjectToString = uncurryThis(Object.prototype.toString); + +var numberValue = uncurryThis(Number.prototype.valueOf); +var stringValue = uncurryThis(String.prototype.valueOf); +var booleanValue = uncurryThis(Boolean.prototype.valueOf); + +if (BigIntSupported) { + var bigIntValue = uncurryThis(BigInt.prototype.valueOf); +} + +if (SymbolSupported) { + var symbolValue = uncurryThis(Symbol.prototype.valueOf); +} + +function checkBoxedPrimitive(value, prototypeValueOf) { + if (typeof value !== 'object') { + return false; + } + try { + prototypeValueOf(value); + return true; + } catch(e) { + return false; + } +} + +exports.isArgumentsObject = isArgumentsObject; +exports.isGeneratorFunction = isGeneratorFunction; +exports.isTypedArray = isTypedArray; + +// Taken from here and modified for better browser support +// https://github.com/sindresorhus/p-is-promise/blob/cda35a513bda03f977ad5cde3a079d237e82d7ef/index.js +function isPromise(input) { + return ( + ( + typeof Promise !== 'undefined' && + input instanceof Promise + ) || + ( + input !== null && + typeof input === 'object' && + typeof input.then === 'function' && + typeof input.catch === 'function' + ) + ); +} +exports.isPromise = isPromise; + +function isArrayBufferView(value) { + if (typeof ArrayBuffer !== 'undefined' && ArrayBuffer.isView) { + return ArrayBuffer.isView(value); + } + + return ( + isTypedArray(value) || + isDataView(value) + ); +} +exports.isArrayBufferView = isArrayBufferView; + + +function isUint8Array(value) { + return whichTypedArray(value) === 'Uint8Array'; +} +exports.isUint8Array = isUint8Array; + +function isUint8ClampedArray(value) { + return whichTypedArray(value) === 'Uint8ClampedArray'; +} +exports.isUint8ClampedArray = isUint8ClampedArray; + +function isUint16Array(value) { + return whichTypedArray(value) === 'Uint16Array'; +} +exports.isUint16Array = isUint16Array; + +function isUint32Array(value) { + return whichTypedArray(value) === 'Uint32Array'; +} +exports.isUint32Array = isUint32Array; + +function isInt8Array(value) { + return whichTypedArray(value) === 'Int8Array'; +} +exports.isInt8Array = isInt8Array; + +function isInt16Array(value) { + return whichTypedArray(value) === 'Int16Array'; +} +exports.isInt16Array = isInt16Array; + +function isInt32Array(value) { + return whichTypedArray(value) === 'Int32Array'; +} +exports.isInt32Array = isInt32Array; + +function isFloat32Array(value) { + return whichTypedArray(value) === 'Float32Array'; +} +exports.isFloat32Array = isFloat32Array; + +function isFloat64Array(value) { + return whichTypedArray(value) === 'Float64Array'; +} +exports.isFloat64Array = isFloat64Array; + +function isBigInt64Array(value) { + return whichTypedArray(value) === 'BigInt64Array'; +} +exports.isBigInt64Array = isBigInt64Array; + +function isBigUint64Array(value) { + return whichTypedArray(value) === 'BigUint64Array'; +} +exports.isBigUint64Array = isBigUint64Array; + +function isMapToString(value) { + return ObjectToString(value) === '[object Map]'; +} +isMapToString.working = ( + typeof Map !== 'undefined' && + isMapToString(new Map()) +); + +function isMap(value) { + if (typeof Map === 'undefined') { + return false; + } + + return isMapToString.working + ? isMapToString(value) + : value instanceof Map; +} +exports.isMap = isMap; + +function isSetToString(value) { + return ObjectToString(value) === '[object Set]'; +} +isSetToString.working = ( + typeof Set !== 'undefined' && + isSetToString(new Set()) +); +function isSet(value) { + if (typeof Set === 'undefined') { + return false; + } + + return isSetToString.working + ? isSetToString(value) + : value instanceof Set; +} +exports.isSet = isSet; + +function isWeakMapToString(value) { + return ObjectToString(value) === '[object WeakMap]'; +} +isWeakMapToString.working = ( + typeof WeakMap !== 'undefined' && + isWeakMapToString(new WeakMap()) +); +function isWeakMap(value) { + if (typeof WeakMap === 'undefined') { + return false; + } + + return isWeakMapToString.working + ? isWeakMapToString(value) + : value instanceof WeakMap; +} +exports.isWeakMap = isWeakMap; + +function isWeakSetToString(value) { + return ObjectToString(value) === '[object WeakSet]'; +} +isWeakSetToString.working = ( + typeof WeakSet !== 'undefined' && + isWeakSetToString(new WeakSet()) +); +function isWeakSet(value) { + return isWeakSetToString(value); +} +exports.isWeakSet = isWeakSet; + +function isArrayBufferToString(value) { + return ObjectToString(value) === '[object ArrayBuffer]'; +} +isArrayBufferToString.working = ( + typeof ArrayBuffer !== 'undefined' && + isArrayBufferToString(new ArrayBuffer()) +); +function isArrayBuffer(value) { + if (typeof ArrayBuffer === 'undefined') { + return false; + } + + return isArrayBufferToString.working + ? isArrayBufferToString(value) + : value instanceof ArrayBuffer; +} +exports.isArrayBuffer = isArrayBuffer; + +function isDataViewToString(value) { + return ObjectToString(value) === '[object DataView]'; +} +isDataViewToString.working = ( + typeof ArrayBuffer !== 'undefined' && + typeof DataView !== 'undefined' && + isDataViewToString(new DataView(new ArrayBuffer(1), 0, 1)) +); +function isDataView(value) { + if (typeof DataView === 'undefined') { + return false; + } + + return isDataViewToString.working + ? isDataViewToString(value) + : value instanceof DataView; +} +exports.isDataView = isDataView; + +function isSharedArrayBufferToString(value) { + return ObjectToString(value) === '[object SharedArrayBuffer]'; +} +isSharedArrayBufferToString.working = ( + typeof SharedArrayBuffer !== 'undefined' && + isSharedArrayBufferToString(new SharedArrayBuffer()) +); +function isSharedArrayBuffer(value) { + if (typeof SharedArrayBuffer === 'undefined') { + return false; + } + + return isSharedArrayBufferToString.working + ? isSharedArrayBufferToString(value) + : value instanceof SharedArrayBuffer; +} +exports.isSharedArrayBuffer = isSharedArrayBuffer; + +function isAsyncFunction(value) { + return ObjectToString(value) === '[object AsyncFunction]'; +} +exports.isAsyncFunction = isAsyncFunction; + +function isMapIterator(value) { + return ObjectToString(value) === '[object Map Iterator]'; +} +exports.isMapIterator = isMapIterator; + +function isSetIterator(value) { + return ObjectToString(value) === '[object Set Iterator]'; +} +exports.isSetIterator = isSetIterator; + +function isGeneratorObject(value) { + return ObjectToString(value) === '[object Generator]'; +} +exports.isGeneratorObject = isGeneratorObject; + +function isWebAssemblyCompiledModule(value) { + return ObjectToString(value) === '[object WebAssembly.Module]'; +} +exports.isWebAssemblyCompiledModule = isWebAssemblyCompiledModule; + +function isNumberObject(value) { + return checkBoxedPrimitive(value, numberValue); +} +exports.isNumberObject = isNumberObject; + +function isStringObject(value) { + return checkBoxedPrimitive(value, stringValue); +} +exports.isStringObject = isStringObject; + +function isBooleanObject(value) { + return checkBoxedPrimitive(value, booleanValue); +} +exports.isBooleanObject = isBooleanObject; + +function isBigIntObject(value) { + return BigIntSupported && checkBoxedPrimitive(value, bigIntValue); +} +exports.isBigIntObject = isBigIntObject; + +function isSymbolObject(value) { + return SymbolSupported && checkBoxedPrimitive(value, symbolValue); +} +exports.isSymbolObject = isSymbolObject; + +function isBoxedPrimitive(value) { + return ( + isNumberObject(value) || + isStringObject(value) || + isBooleanObject(value) || + isBigIntObject(value) || + isSymbolObject(value) + ); +} +exports.isBoxedPrimitive = isBoxedPrimitive; + +function isAnyArrayBuffer(value) { + return typeof Uint8Array !== 'undefined' && ( + isArrayBuffer(value) || + isSharedArrayBuffer(value) + ); +} +exports.isAnyArrayBuffer = isAnyArrayBuffer; + +['isProxy', 'isExternal', 'isModuleNamespaceObject'].forEach(function(method) { + Object.defineProperty(exports, method, { + enumerable: false, + value: function() { + throw new Error(method + ' is not supported in userland'); + } + }); +}); + +},{"is-arguments":31,"is-generator-function":32,"is-typed-array":33,"which-typed-array":58}],57:[function(require,module,exports){ +(function (process){(function (){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +var getOwnPropertyDescriptors = Object.getOwnPropertyDescriptors || + function getOwnPropertyDescriptors(obj) { + var keys = Object.keys(obj); + var descriptors = {}; + for (var i = 0; i < keys.length; i++) { + descriptors[keys[i]] = Object.getOwnPropertyDescriptor(obj, keys[i]); + } + return descriptors; + }; + +var formatRegExp = /%[sdj%]/g; +exports.format = function(f) { + if (!isString(f)) { + var objects = []; + for (var i = 0; i < arguments.length; i++) { + objects.push(inspect(arguments[i])); + } + return objects.join(' '); + } + + var i = 1; + var args = arguments; + var len = args.length; + var str = String(f).replace(formatRegExp, function(x) { + if (x === '%%') return '%'; + if (i >= len) return x; + switch (x) { + case '%s': return String(args[i++]); + case '%d': return Number(args[i++]); + case '%j': + try { + return JSON.stringify(args[i++]); + } catch (_) { + return '[Circular]'; + } + default: + return x; + } + }); + for (var x = args[i]; i < len; x = args[++i]) { + if (isNull(x) || !isObject(x)) { + str += ' ' + x; + } else { + str += ' ' + inspect(x); + } + } + return str; +}; + + +// Mark that a method should not be used. +// Returns a modified function which warns once by default. +// If --no-deprecation is set, then it is a no-op. +exports.deprecate = function(fn, msg) { + if (typeof process !== 'undefined' && process.noDeprecation === true) { + return fn; + } + + // Allow for deprecating things in the process of starting up. + if (typeof process === 'undefined') { + return function() { + return exports.deprecate(fn, msg).apply(this, arguments); + }; + } + + var warned = false; + function deprecated() { + if (!warned) { + if (process.throwDeprecation) { + throw new Error(msg); + } else if (process.traceDeprecation) { + console.trace(msg); + } else { + console.error(msg); + } + warned = true; + } + return fn.apply(this, arguments); + } + + return deprecated; +}; + + +var debugs = {}; +var debugEnvRegex = /^$/; + +if (process.env.NODE_DEBUG) { + var debugEnv = process.env.NODE_DEBUG; + debugEnv = debugEnv.replace(/[|\\{}()[\]^$+?.]/g, '\\$&') + .replace(/\*/g, '.*') + .replace(/,/g, '$|^') + .toUpperCase(); + debugEnvRegex = new RegExp('^' + debugEnv + '$', 'i'); +} +exports.debuglog = function(set) { + set = set.toUpperCase(); + if (!debugs[set]) { + if (debugEnvRegex.test(set)) { + var pid = process.pid; + debugs[set] = function() { + var msg = exports.format.apply(exports, arguments); + console.error('%s %d: %s', set, pid, msg); + }; + } else { + debugs[set] = function() {}; + } + } + return debugs[set]; +}; + + +/** + * Echos the value of a value. Trys to print the value out + * in the best way possible given the different types. + * + * @param {Object} obj The object to print out. + * @param {Object} opts Optional options object that alters the output. + */ +/* legacy: obj, showHidden, depth, colors*/ +function inspect(obj, opts) { + // default options + var ctx = { + seen: [], + stylize: stylizeNoColor + }; + // legacy... + if (arguments.length >= 3) ctx.depth = arguments[2]; + if (arguments.length >= 4) ctx.colors = arguments[3]; + if (isBoolean(opts)) { + // legacy... + ctx.showHidden = opts; + } else if (opts) { + // got an "options" object + exports._extend(ctx, opts); + } + // set default options + if (isUndefined(ctx.showHidden)) ctx.showHidden = false; + if (isUndefined(ctx.depth)) ctx.depth = 2; + if (isUndefined(ctx.colors)) ctx.colors = false; + if (isUndefined(ctx.customInspect)) ctx.customInspect = true; + if (ctx.colors) ctx.stylize = stylizeWithColor; + return formatValue(ctx, obj, ctx.depth); +} +exports.inspect = inspect; + + +// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics +inspect.colors = { + 'bold' : [1, 22], + 'italic' : [3, 23], + 'underline' : [4, 24], + 'inverse' : [7, 27], + 'white' : [37, 39], + 'grey' : [90, 39], + 'black' : [30, 39], + 'blue' : [34, 39], + 'cyan' : [36, 39], + 'green' : [32, 39], + 'magenta' : [35, 39], + 'red' : [31, 39], + 'yellow' : [33, 39] +}; + +// Don't use 'blue' not visible on cmd.exe +inspect.styles = { + 'special': 'cyan', + 'number': 'yellow', + 'boolean': 'yellow', + 'undefined': 'grey', + 'null': 'bold', + 'string': 'green', + 'date': 'magenta', + // "name": intentionally not styling + 'regexp': 'red' +}; + + +function stylizeWithColor(str, styleType) { + var style = inspect.styles[styleType]; + + if (style) { + return '\u001b[' + inspect.colors[style][0] + 'm' + str + + '\u001b[' + inspect.colors[style][1] + 'm'; + } else { + return str; + } +} + + +function stylizeNoColor(str, styleType) { + return str; +} + + +function arrayToHash(array) { + var hash = {}; + + array.forEach(function(val, idx) { + hash[val] = true; + }); + + return hash; +} + + +function formatValue(ctx, value, recurseTimes) { + // Provide a hook for user-specified inspect functions. + // Check that value is an object with an inspect function on it + if (ctx.customInspect && + value && + isFunction(value.inspect) && + // Filter out the util module, it's inspect function is special + value.inspect !== exports.inspect && + // Also filter out any prototype objects using the circular check. + !(value.constructor && value.constructor.prototype === value)) { + var ret = value.inspect(recurseTimes, ctx); + if (!isString(ret)) { + ret = formatValue(ctx, ret, recurseTimes); + } + return ret; + } + + // Primitive types cannot have properties + var primitive = formatPrimitive(ctx, value); + if (primitive) { + return primitive; + } + + // Look up the keys of the object. + var keys = Object.keys(value); + var visibleKeys = arrayToHash(keys); + + if (ctx.showHidden) { + keys = Object.getOwnPropertyNames(value); + } + + // IE doesn't make error fields non-enumerable + // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx + if (isError(value) + && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) { + return formatError(value); + } + + // Some type of object without properties can be shortcutted. + if (keys.length === 0) { + if (isFunction(value)) { + var name = value.name ? ': ' + value.name : ''; + return ctx.stylize('[Function' + name + ']', 'special'); + } + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } + if (isDate(value)) { + return ctx.stylize(Date.prototype.toString.call(value), 'date'); + } + if (isError(value)) { + return formatError(value); + } + } + + var base = '', array = false, braces = ['{', '}']; + + // Make Array say that they are Array + if (isArray(value)) { + array = true; + braces = ['[', ']']; + } + + // Make functions say that they are functions + if (isFunction(value)) { + var n = value.name ? ': ' + value.name : ''; + base = ' [Function' + n + ']'; + } + + // Make RegExps say that they are RegExps + if (isRegExp(value)) { + base = ' ' + RegExp.prototype.toString.call(value); + } + + // Make dates with properties first say the date + if (isDate(value)) { + base = ' ' + Date.prototype.toUTCString.call(value); + } + + // Make error with message first say the error + if (isError(value)) { + base = ' ' + formatError(value); + } + + if (keys.length === 0 && (!array || value.length == 0)) { + return braces[0] + base + braces[1]; + } + + if (recurseTimes < 0) { + if (isRegExp(value)) { + return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); + } else { + return ctx.stylize('[Object]', 'special'); + } + } + + ctx.seen.push(value); + + var output; + if (array) { + output = formatArray(ctx, value, recurseTimes, visibleKeys, keys); + } else { + output = keys.map(function(key) { + return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array); + }); + } + + ctx.seen.pop(); + + return reduceToSingleString(output, base, braces); +} + + +function formatPrimitive(ctx, value) { + if (isUndefined(value)) + return ctx.stylize('undefined', 'undefined'); + if (isString(value)) { + var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '') + .replace(/'/g, "\\'") + .replace(/\\"/g, '"') + '\''; + return ctx.stylize(simple, 'string'); + } + if (isNumber(value)) + return ctx.stylize('' + value, 'number'); + if (isBoolean(value)) + return ctx.stylize('' + value, 'boolean'); + // For some reason typeof null is "object", so special case here. + if (isNull(value)) + return ctx.stylize('null', 'null'); +} + + +function formatError(value) { + return '[' + Error.prototype.toString.call(value) + ']'; +} + + +function formatArray(ctx, value, recurseTimes, visibleKeys, keys) { + var output = []; + for (var i = 0, l = value.length; i < l; ++i) { + if (hasOwnProperty(value, String(i))) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + String(i), true)); + } else { + output.push(''); + } + } + keys.forEach(function(key) { + if (!key.match(/^\d+$/)) { + output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, + key, true)); + } + }); + return output; +} + + +function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) { + var name, str, desc; + desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] }; + if (desc.get) { + if (desc.set) { + str = ctx.stylize('[Getter/Setter]', 'special'); + } else { + str = ctx.stylize('[Getter]', 'special'); + } + } else { + if (desc.set) { + str = ctx.stylize('[Setter]', 'special'); + } + } + if (!hasOwnProperty(visibleKeys, key)) { + name = '[' + key + ']'; + } + if (!str) { + if (ctx.seen.indexOf(desc.value) < 0) { + if (isNull(recurseTimes)) { + str = formatValue(ctx, desc.value, null); + } else { + str = formatValue(ctx, desc.value, recurseTimes - 1); + } + if (str.indexOf('\n') > -1) { + if (array) { + str = str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n').substr(2); + } else { + str = '\n' + str.split('\n').map(function(line) { + return ' ' + line; + }).join('\n'); + } + } + } else { + str = ctx.stylize('[Circular]', 'special'); + } + } + if (isUndefined(name)) { + if (array && key.match(/^\d+$/)) { + return str; + } + name = JSON.stringify('' + key); + if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { + name = name.substr(1, name.length - 2); + name = ctx.stylize(name, 'name'); + } else { + name = name.replace(/'/g, "\\'") + .replace(/\\"/g, '"') + .replace(/(^"|"$)/g, "'"); + name = ctx.stylize(name, 'string'); + } + } + + return name + ': ' + str; +} + + +function reduceToSingleString(output, base, braces) { + var numLinesEst = 0; + var length = output.reduce(function(prev, cur) { + numLinesEst++; + if (cur.indexOf('\n') >= 0) numLinesEst++; + return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1; + }, 0); + + if (length > 60) { + return braces[0] + + (base === '' ? '' : base + '\n ') + + ' ' + + output.join(',\n ') + + ' ' + + braces[1]; + } + + return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; +} + + +// NOTE: These type checking functions intentionally don't use `instanceof` +// because it is fragile and can be easily faked with `Object.create()`. +exports.types = require('./support/types'); + +function isArray(ar) { + return Array.isArray(ar); +} +exports.isArray = isArray; + +function isBoolean(arg) { + return typeof arg === 'boolean'; +} +exports.isBoolean = isBoolean; + +function isNull(arg) { + return arg === null; +} +exports.isNull = isNull; + +function isNullOrUndefined(arg) { + return arg == null; +} +exports.isNullOrUndefined = isNullOrUndefined; + +function isNumber(arg) { + return typeof arg === 'number'; +} +exports.isNumber = isNumber; + +function isString(arg) { + return typeof arg === 'string'; +} +exports.isString = isString; + +function isSymbol(arg) { + return typeof arg === 'symbol'; +} +exports.isSymbol = isSymbol; + +function isUndefined(arg) { + return arg === void 0; +} +exports.isUndefined = isUndefined; + +function isRegExp(re) { + return isObject(re) && objectToString(re) === '[object RegExp]'; +} +exports.isRegExp = isRegExp; +exports.types.isRegExp = isRegExp; + +function isObject(arg) { + return typeof arg === 'object' && arg !== null; +} +exports.isObject = isObject; + +function isDate(d) { + return isObject(d) && objectToString(d) === '[object Date]'; +} +exports.isDate = isDate; +exports.types.isDate = isDate; + +function isError(e) { + return isObject(e) && + (objectToString(e) === '[object Error]' || e instanceof Error); +} +exports.isError = isError; +exports.types.isNativeError = isError; + +function isFunction(arg) { + return typeof arg === 'function'; +} +exports.isFunction = isFunction; + +function isPrimitive(arg) { + return arg === null || + typeof arg === 'boolean' || + typeof arg === 'number' || + typeof arg === 'string' || + typeof arg === 'symbol' || // ES6 symbol + typeof arg === 'undefined'; +} +exports.isPrimitive = isPrimitive; + +exports.isBuffer = require('./support/isBuffer'); + +function objectToString(o) { + return Object.prototype.toString.call(o); +} + + +function pad(n) { + return n < 10 ? '0' + n.toString(10) : n.toString(10); +} + + +var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', + 'Oct', 'Nov', 'Dec']; + +// 26 Feb 16:19:34 +function timestamp() { + var d = new Date(); + var time = [pad(d.getHours()), + pad(d.getMinutes()), + pad(d.getSeconds())].join(':'); + return [d.getDate(), months[d.getMonth()], time].join(' '); +} + + +// log is just a thin wrapper to console.log that prepends a timestamp +exports.log = function() { + console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments)); +}; + + +/** + * Inherit the prototype methods from one constructor into another. + * + * The Function.prototype.inherits from lang.js rewritten as a standalone + * function (not on Function.prototype). NOTE: If this file is to be loaded + * during bootstrapping this function needs to be rewritten using some native + * functions as prototype setup using normal JavaScript does not work as + * expected during bootstrapping (see mirror.js in r114903). + * + * @param {function} ctor Constructor function which needs to inherit the + * prototype. + * @param {function} superCtor Constructor function to inherit prototype from. + */ +exports.inherits = require('inherits'); + +exports._extend = function(origin, add) { + // Don't do anything if add isn't an object + if (!add || !isObject(add)) return origin; + + var keys = Object.keys(add); + var i = keys.length; + while (i--) { + origin[keys[i]] = add[keys[i]]; + } + return origin; +}; + +function hasOwnProperty(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); +} + +var kCustomPromisifiedSymbol = typeof Symbol !== 'undefined' ? Symbol('util.promisify.custom') : undefined; + +exports.promisify = function promisify(original) { + if (typeof original !== 'function') + throw new TypeError('The "original" argument must be of type Function'); + + if (kCustomPromisifiedSymbol && original[kCustomPromisifiedSymbol]) { + var fn = original[kCustomPromisifiedSymbol]; + if (typeof fn !== 'function') { + throw new TypeError('The "util.promisify.custom" argument must be of type Function'); + } + Object.defineProperty(fn, kCustomPromisifiedSymbol, { + value: fn, enumerable: false, writable: false, configurable: true + }); + return fn; + } + + function fn() { + var promiseResolve, promiseReject; + var promise = new Promise(function (resolve, reject) { + promiseResolve = resolve; + promiseReject = reject; + }); + + var args = []; + for (var i = 0; i < arguments.length; i++) { + args.push(arguments[i]); + } + args.push(function (err, value) { + if (err) { + promiseReject(err); + } else { + promiseResolve(value); + } + }); + + try { + original.apply(this, args); + } catch (err) { + promiseReject(err); + } + + return promise; + } + + Object.setPrototypeOf(fn, Object.getPrototypeOf(original)); + + if (kCustomPromisifiedSymbol) Object.defineProperty(fn, kCustomPromisifiedSymbol, { + value: fn, enumerable: false, writable: false, configurable: true + }); + return Object.defineProperties( + fn, + getOwnPropertyDescriptors(original) + ); +} + +exports.promisify.custom = kCustomPromisifiedSymbol + +function callbackifyOnRejected(reason, cb) { + // `!reason` guard inspired by bluebird (Ref: https://goo.gl/t5IS6M). + // Because `null` is a special error value in callbacks which means "no error + // occurred", we error-wrap so the callback consumer can distinguish between + // "the promise rejected with null" or "the promise fulfilled with undefined". + if (!reason) { + var newReason = new Error('Promise was rejected with a falsy value'); + newReason.reason = reason; + reason = newReason; + } + return cb(reason); +} + +function callbackify(original) { + if (typeof original !== 'function') { + throw new TypeError('The "original" argument must be of type Function'); + } + + // We DO NOT return the promise as it gives the user a false sense that + // the promise is actually somehow related to the callback's execution + // and that the callback throwing will reject the promise. + function callbackified() { + var args = []; + for (var i = 0; i < arguments.length; i++) { + args.push(arguments[i]); + } + + var maybeCb = args.pop(); + if (typeof maybeCb !== 'function') { + throw new TypeError('The last argument must be of type Function'); + } + var self = this; + var cb = function() { + return maybeCb.apply(self, arguments); + }; + // In true node style we process the callback on `nextTick` with all the + // implications (stack, `uncaughtException`, `async_hooks`) + original.apply(this, args) + .then(function(ret) { process.nextTick(cb.bind(null, null, ret)) }, + function(rej) { process.nextTick(callbackifyOnRejected.bind(null, rej, cb)) }); + } + + Object.setPrototypeOf(callbackified, Object.getPrototypeOf(original)); + Object.defineProperties(callbackified, + getOwnPropertyDescriptors(original)); + return callbackified; +} +exports.callbackify = callbackify; + +}).call(this)}).call(this,require('_process')) +},{"./support/isBuffer":55,"./support/types":56,"_process":35,"inherits":30}],58:[function(require,module,exports){ +(function (global){(function (){ +'use strict'; + +var forEach = require('foreach'); +var availableTypedArrays = require('available-typed-arrays'); +var callBound = require('call-bind/callBound'); + +var $toString = callBound('Object.prototype.toString'); +var hasSymbols = require('has-symbols')(); +var hasToStringTag = hasSymbols && typeof Symbol.toStringTag === 'symbol'; + +var typedArrays = availableTypedArrays(); + +var $slice = callBound('String.prototype.slice'); +var toStrTags = {}; +var gOPD = require('es-abstract/helpers/getOwnPropertyDescriptor'); +var getPrototypeOf = Object.getPrototypeOf; // require('getprototypeof'); +if (hasToStringTag && gOPD && getPrototypeOf) { + forEach(typedArrays, function (typedArray) { + if (typeof global[typedArray] === 'function') { + var arr = new global[typedArray](); + if (!(Symbol.toStringTag in arr)) { + throw new EvalError('this engine has support for Symbol.toStringTag, but ' + typedArray + ' does not have the property! Please report this.'); + } + var proto = getPrototypeOf(arr); + var descriptor = gOPD(proto, Symbol.toStringTag); + if (!descriptor) { + var superProto = getPrototypeOf(proto); + descriptor = gOPD(superProto, Symbol.toStringTag); + } + toStrTags[typedArray] = descriptor.get; + } + }); +} + +var tryTypedArrays = function tryAllTypedArrays(value) { + var foundName = false; + forEach(toStrTags, function (getter, typedArray) { + if (!foundName) { + try { + var name = getter.call(value); + if (name === typedArray) { + foundName = name; + } + } catch (e) {} + } + }); + return foundName; +}; + +var isTypedArray = require('is-typed-array'); + +module.exports = function whichTypedArray(value) { + if (!isTypedArray(value)) { return false; } + if (!hasToStringTag) { return $slice($toString(value), 8, -1); } + return tryTypedArrays(value); +}; + +}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{"available-typed-arrays":12,"call-bind/callBound":18,"es-abstract/helpers/getOwnPropertyDescriptor":20,"foreach":22,"has-symbols":26,"is-typed-array":33}]},{},[1])(1) }); diff --git a/dist/msgpack5.min.js b/dist/msgpack5.min.js index 3e2c355..1437b3e 100644 --- a/dist/msgpack5.min.js +++ b/dist/msgpack5.min.js @@ -1 +1 @@ -(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.msgpack5=f()}})(function(){var define,module,exports;return function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i=0,"must have a non-negative type");assert(decode,"must have a decode function");decodingTypes.set(type,decode);return this}function register(type,constructor,encode,decode){assert(constructor,"must have a constructor");assert(encode,"must have an encode function");assert(type>=0,"must have a non-negative type");assert(decode,"must have a decode function");function check(obj){return obj instanceof constructor}function reEncode(obj){var buf=bl();var header=Buffer.allocUnsafe(1);header.writeInt8(type,0);buf.append(header);buf.append(encode(obj));return buf}this.registerEncoder(check,reEncode);this.registerDecoder(type,decode);return this}return{encode:buildEncode(encodingTypes,options),decode:buildDecode(decodingTypes,options),register:register,registerEncoder:registerEncoder,registerDecoder:registerDecoder,encoder:streams.encoder,decoder:streams.decoder,buffer:true,type:"msgpack5",IncompleteBufferError:IncompleteBufferError}}module.exports=msgpack},{"./lib/codecs/DateCodec":2,"./lib/decoder":3,"./lib/encoder":4,"./lib/helpers.js":5,"./lib/streams":6,assert:7,bl:12,"safe-buffer":35}],2:[function(require,module,exports){(function(Buffer){(function(){const type=-1;function encode(dt){if(dt===null){return}var millis=dt*1;var seconds=Math.floor(millis/1e3);var nanos=(millis-seconds*1e3)*1e6;if(seconds<0||seconds>17179869184){const encoded=Buffer.allocUnsafe(13);encoded[0]=-1;encoded.writeUInt32BE(nanos,1);var hex="";if(seconds>=0){const padhex="0000000000000000";hex=seconds.toString(16);hex=padhex.slice(0,hex.length*-1)+hex}else{var bin=(seconds*-1).toString(2);var i=bin.length-1;while(bin[i]==="0"){i--}bin=bin.slice(0,i).split("").map(function(bit){return bit==="1"?0:1}).join("")+bin.slice(i,bin.length);const pad64="1111111111111111111111111111111111111111111111111111111111111111";bin=pad64.slice(0,bin.length*-1)+bin;bin.match(/.{1,8}/g).forEach(function(byte){byte=parseInt(byte,2).toString(16);if(byte.length===1){byte="0"+byte}hex+=byte})}encoded.write(hex,5,"hex");return encoded}else if(nanos||seconds>4294967295){const encoded=Buffer.allocUnsafe(9);encoded[0]=-1;var upperNanos=nanos*4;var upperSeconds=seconds/Math.pow(2,32);var upper=upperNanos+upperSeconds&4294967295;var lower=seconds&4294967295;encoded.writeInt32BE(upper,1);encoded.writeInt32BE(lower,5);return encoded}else{const encoded=Buffer.allocUnsafe(5);encoded[0]=-1;encoded.writeUInt32BE(Math.floor(millis/1e3),1);return encoded}}function check(obj){return typeof obj.getDate==="function"}function decode(buf){var seconds;var nanoseconds=0;switch(buf.length){case 4:seconds=buf.readUInt32BE(0);break;case 8:var upper=buf.readUInt32BE(0);var lower=buf.readUInt32BE(4);nanoseconds=upper/4;seconds=(upper&3)*Math.pow(2,32)+lower;break;case 12:var hex=buf.toString("hex",4,12);if(parseInt(buf.toString("hex",4,6),16)&128){var bin="";const pad8="00000000";hex.match(/.{1,2}/g).forEach(function(byte){byte=parseInt(byte,16).toString(2);byte=pad8.slice(0,byte.length*-1)+byte;bin+=byte});seconds=-1*parseInt(bin.split("").map(function(bit){return bit==="1"?0:1}).join(""),2)-1}else{seconds=parseInt(hex,16)}nanoseconds=buf.readUInt32BE(0)}var millis=seconds*1e3+Math.round(nanoseconds/1e6);return new Date(millis)}module.exports={check:check,type:type,encode:encode,decode:decode}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:14}],3:[function(require,module,exports){"use strict";var bl=require("bl");var IncompleteBufferError=require("./helpers.js").IncompleteBufferError;const SIZES={196:2,197:3,198:5,199:3,200:4,201:6,202:5,203:9,204:2,205:3,206:5,207:9,208:2,209:3,210:5,211:9,212:3,213:4,214:6,215:10,216:18,217:2,218:3,219:5,222:3,220:3,221:5};function isValidDataSize(dataLength,bufLength,headerLength){return bufLength>=headerLength+dataLength}module.exports=function buildDecode(decodingTypes,options){return decode;function decode(buf){if(!(buf instanceof bl)){buf=bl().append(buf)}var result=tryDecode(buf,0);if(!result)throw new IncompleteBufferError;buf.consume(result[1]);return result[0]}function tryDecode(buf,initialOffset){if(buf.length<=initialOffset)return null;const bufLength=buf.length-initialOffset;var offset=initialOffset;const first=buf.readUInt8(offset);offset+=1;const size=SIZES[first]||-1;if(bufLengthfirst>=start&&first<=end;if(first<128)return[first,1];if((first&240)===128){const length=first&15;const headerSize=offset-initialOffset;return decodeMap(buf,offset,length,headerSize,options)}if((first&240)===144){const length=first&15;const headerSize=offset-initialOffset;return decodeArray(buf,offset,length,headerSize)}if((first&224)===160){const length=first&31;if(!isValidDataSize(length,bufLength,1))return null;const result=buf.toString("utf8",offset,offset+length);return[result,length+1]}if(inRange(192,195))return decodeConstants(first);if(inRange(196,198)){const length=buf.readUIntBE(offset,size-1);offset+=size-1;if(!isValidDataSize(length,bufLength,size))return null;const result=buf.slice(offset,offset+length);return[result,size+length]}if(inRange(199,201)){const length=buf.readUIntBE(offset,size-2);offset+=size-2;const type=buf.readInt8(offset);offset+=1;if(!isValidDataSize(length,bufLength,size))return null;return decodeExt(buf,offset,type,length,size)}if(inRange(202,203))return decodeFloat(buf,offset,size-1);if(inRange(204,207))return decodeUnsignedInt(buf,offset,size-1);if(inRange(208,211))return decodeSigned(buf,offset,size-1);if(inRange(212,216)){var type=buf.readInt8(offset);offset+=1;return decodeExt(buf,offset,type,size-2,2)}if(inRange(217,219)){const length=buf.readUIntBE(offset,size-1);offset+=size-1;if(!isValidDataSize(length,bufLength,size))return null;const result=buf.toString("utf8",offset,offset+length);return[result,size+length]}if(inRange(220,221)){const length=buf.readUIntBE(offset,size-1);offset+=size-1;return decodeArray(buf,offset,length,size)}if(inRange(222,223)){let length;switch(first){case 222:length=buf.readUInt16BE(offset);offset+=2;return decodeMap(buf,offset,length,3,options);case 223:length=buf.readUInt32BE(offset);offset+=4;return decodeMap(buf,offset,length,5,options)}}if(first>=224)return[first-256,1];throw new Error("not implemented yet")}function decodeArray(buf,initialOffset,length,headerLength){var offset=initialOffset;const result=[];var i=0;while(i++=offset;i--){var v=(buf[i]^255)+carry;buf[i]=v&255;carry=v>>8}}var hi=buf.readUInt32BE(offset+0);var lo=buf.readUInt32BE(offset+4);return(hi*4294967296+lo)*(negate?-1:+1)}function decodeUnsignedInt(buf,offset,size){const maxOffset=offset+size;var result=0;while(offset{acc.push(encode(item))});if(acc.length!==array.length+1){throw new Error("Sparse arrays are not encodable in msgpack")}return bl(acc)}function encodeMap(map,options,encode){const acc=[getHeader(map.size,128,222)];const keys=[...map.keys()];if(!options.preferMap){if(keys.every(item=>typeof item==="string")){console.warn("Map with string only keys will be deserialized as an object!")}}keys.forEach(key=>{acc.push(encode(key),encode(map.get(key)))});return bl(acc)}function encodeObject(obj,options,encode){var keys=[];for(let key in obj){if(obj.hasOwnProperty(key)&&obj[key]!==undefined&&typeof obj[key]!=="function"){keys.push(key)}}const acc=[getHeader(keys.length,128,222)];if(options.sortKeys)keys.sort();keys.forEach(key=>{acc.push(encode(key),encode(obj[key]))});return bl(acc)}function write64BitUint(buf,offset,num){var lo=num%4294967296;var hi=Math.floor(num/4294967296);buf.writeUInt32BE(hi,offset+0);buf.writeUInt32BE(lo,offset+4)}function write64BitInt(buf,offset,num){var negate=num<0;num=Math.abs(num);write64BitUint(buf,offset,num);if(negate)negate64BitInt(buf,offset)}function negate64BitInt(buf,offset){var i=offset+8;while(i-- >offset){if(buf[i]===0)continue;buf[i]=(buf[i]^255)+1;break}while(i-- >offset){buf[i]=buf[i]^255}}const fround=Math.fround;function encodeFloat(obj,forceFloat64){var buf;if(forceFloat64||!fround||!Object.is(fround(obj),obj)){buf=Buffer.allocUnsafe(9);buf[0]=203;buf.writeDoubleBE(obj,1)}else{buf=Buffer.allocUnsafe(5);buf[0]=202;buf.writeFloatBE(obj,1)}return buf}function encodeExt(obj,encodingTypes){const codec=encodingTypes.find(codec=>codec.check(obj));if(!codec)return null;const encoded=codec.encode(obj);if(!encoded)return null;return bl([getExtHeader(encoded.length-1),encoded])}function getExtHeader(length){if(length===1)return Buffer.from([212]);if(length===2)return Buffer.from([213]);if(length===4)return Buffer.from([214]);if(length===8)return Buffer.from([215]);if(length===16)return Buffer.from([216]);if(length<256)return Buffer.from([199,length]);if(length<65536)return Buffer.from([200,length>>8,length&255]);return Buffer.from([201,length>>24,length>>16&255,length>>8&255,length&255])}function getHeader(length,tag1,tag2){if(length<16)return Buffer.from([tag1|length]);const size=length<65536?2:4;var buf=Buffer.allocUnsafe(1+size);buf[0]=length<65536?tag2:tag2+1;buf.writeUIntBE(length,1,size);return buf}function encodeString(obj,options){const len=Buffer.byteLength(obj);var buf;if(len<32){buf=Buffer.allocUnsafe(1+len);buf[0]=160|len;if(len>0){buf.write(obj,1)}}else if(len<=255&&!options.compatibilityMode){buf=Buffer.allocUnsafe(2+len);buf[0]=217;buf[1]=len;buf.write(obj,2)}else if(len<=65535){buf=Buffer.allocUnsafe(3+len);buf[0]=218;buf.writeUInt16BE(len,1);buf.write(obj,3)}else{buf=Buffer.allocUnsafe(5+len);buf[0]=219;buf.writeUInt32BE(len,1);buf.write(obj,5)}return buf}function getBufferHeader(length){var header;if(length<=255){header=Buffer.allocUnsafe(2);header[0]=196;header[1]=length}else if(length<=65535){header=Buffer.allocUnsafe(3);header[0]=197;header.writeUInt16BE(length,1)}else{header=Buffer.allocUnsafe(5);header[0]=198;header.writeUInt32BE(length,1)}return header}function encodeNumber(obj,options){var buf;if(isFloat(obj))return encodeFloat(obj,options.forceFloat64);if(Math.abs(obj)>9007199254740991){return encodeFloat(obj,true)}if(obj>=0){if(obj<128){return Buffer.from([obj])}else if(obj<256){return Buffer.from([204,obj])}else if(obj<65536){return Buffer.from([205,255&obj>>8,255&obj])}else if(obj<=4294967295){return Buffer.from([206,255&obj>>24,255&obj>>16,255&obj>>8,255&obj])}else if(obj<=9007199254740991){buf=Buffer.allocUnsafe(9);buf[0]=207;write64BitUint(buf,1,obj)}}else{if(obj>=-32){buf=Buffer.allocUnsafe(1);buf[0]=256+obj}else if(obj>=-128){buf=Buffer.allocUnsafe(2);buf[0]=208;buf.writeInt8(obj,1)}else if(obj>=-32768){buf=Buffer.allocUnsafe(3);buf[0]=209;buf.writeInt16BE(obj,1)}else if(obj>-214748365){buf=Buffer.allocUnsafe(5);buf[0]=210;buf.writeInt32BE(obj,1)}else if(obj>=-9007199254740991){buf=Buffer.allocUnsafe(9);buf[0]=211;write64BitInt(buf,1,obj)}}return buf}},{"./helpers.js":5,bl:12,"safe-buffer":35}],5:[function(require,module,exports){"use strict";var util=require("util");exports.IncompleteBufferError=IncompleteBufferError;function IncompleteBufferError(message){Error.call(this);if(Error.captureStackTrace){Error.captureStackTrace(this,this.constructor)}this.name=this.constructor.name;this.message=message||"unable to decode"}util.inherits(IncompleteBufferError,Error);exports.isFloat=function isFloat(n){return n%1!==0}},{util:40}],6:[function(require,module,exports){"use strict";var Transform=require("readable-stream").Transform;var inherits=require("inherits");var bl=require("bl");function Base(opts){opts=opts||{};opts.objectMode=true;opts.highWaterMark=16;Transform.call(this,opts);this._msgpack=opts.msgpack}inherits(Base,Transform);function Encoder(opts){if(!(this instanceof Encoder)){opts=opts||{};opts.msgpack=this;return new Encoder(opts)}Base.call(this,opts);this._wrap="wrap"in opts&&opts.wrap}inherits(Encoder,Base);Encoder.prototype._transform=function(obj,enc,done){var buf=null;try{buf=this._msgpack.encode(this._wrap?obj.value:obj).slice(0)}catch(err){this.emit("error",err);return done()}this.push(buf);done()};function Decoder(opts){if(!(this instanceof Decoder)){opts=opts||{};opts.msgpack=this;return new Decoder(opts)}Base.call(this,opts);this._chunks=bl();this._wrap="wrap"in opts&&opts.wrap}inherits(Decoder,Base);Decoder.prototype._transform=function(buf,enc,done){if(buf){this._chunks.append(buf)}try{var result=this._msgpack.decode(this._chunks);if(this._wrap){result={value:result}}this.push(result)}catch(err){if(err instanceof this._msgpack.IncompleteBufferError){done()}else{this.emit("error",err)}return}if(this._chunks.length>0){this._transform(null,enc,done)}else{done()}};module.exports.decoder=Decoder;module.exports.encoder=Encoder},{bl:12,inherits:18,"readable-stream":34}],7:[function(require,module,exports){(function(global){(function(){"use strict";var objectAssign=require("object-assign");function compare(a,b){if(a===b){return 0}var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i=0){var next_line=out.indexOf("\n",idx+1);out=out.substring(next_line+1)}this.stack=out}}};util.inherits(assert.AssertionError,Error);function truncate(s,n){if(typeof s==="string"){return s.length=0;i--){if(ka[i]!==kb[i])return false}for(i=ka.length-1;i>=0;i--){key=ka[i];if(!_deepEqual(a[key],b[key],strict,actualVisitedObjects))return false}return true}assert.notDeepEqual=function notDeepEqual(actual,expected,message){if(_deepEqual(actual,expected,false)){fail(actual,expected,message,"notDeepEqual",assert.notDeepEqual)}};assert.notDeepStrictEqual=notDeepStrictEqual;function notDeepStrictEqual(actual,expected,message){if(_deepEqual(actual,expected,true)){fail(actual,expected,message,"notDeepStrictEqual",notDeepStrictEqual)}}assert.strictEqual=function strictEqual(actual,expected,message){if(actual!==expected){fail(actual,expected,message,"===",assert.strictEqual)}};assert.notStrictEqual=function notStrictEqual(actual,expected,message){if(actual===expected){fail(actual,expected,message,"!==",assert.notStrictEqual)}};function expectedException(actual,expected){if(!actual||!expected){return false}if(Object.prototype.toString.call(expected)=="[object RegExp]"){return expected.test(actual)}try{if(actual instanceof expected){return true}}catch(e){}if(Error.isPrototypeOf(expected)){return false}return expected.call({},actual)===true}function _tryBlock(block){var error;try{block()}catch(e){error=e}return error}function _throws(shouldThrow,block,expected,message){var actual;if(typeof block!=="function"){throw new TypeError('"block" argument must be a function')}if(typeof expected==="string"){message=expected;expected=null}actual=_tryBlock(block);message=(expected&&expected.name?" ("+expected.name+").":".")+(message?" "+message:".");if(shouldThrow&&!actual){fail(actual,expected,"Missing expected exception"+message)}var userProvidedMessage=typeof message==="string";var isUnwantedException=!shouldThrow&&util.isError(actual);var isUnexpectedException=!shouldThrow&&actual&&!expected;if(isUnwantedException&&userProvidedMessage&&expectedException(actual,expected)||isUnexpectedException){fail(actual,expected,"Got unwanted exception"+message)}if(shouldThrow&&actual&&expected&&!expectedException(actual,expected)||!shouldThrow&&actual){throw actual}}assert.throws=function(block,error,message){_throws(true,block,error,message)};assert.doesNotThrow=function(block,error,message){_throws(false,block,error,message)};assert.ifError=function(err){if(err)throw err};function strict(value,message){if(!value)fail(value,true,message,"==",strict)}assert.strict=objectAssign(strict,assert,{equal:assert.strictEqual,deepEqual:assert.deepStrictEqual,notEqual:assert.notStrictEqual,notDeepEqual:assert.notDeepStrictEqual});assert.strict.strict=assert.strict;var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj){if(hasOwn.call(obj,key))keys.push(key)}return keys}}).call(this)}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"object-assign":21,"util/":10}],8:[function(require,module,exports){if(typeof Object.create==="function"){module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:false,writable:true,configurable:true}})}}else{module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype;ctor.prototype=new TempCtor;ctor.prototype.constructor=ctor}}},{}],9:[function(require,module,exports){module.exports=function isBuffer(arg){return arg&&typeof arg==="object"&&typeof arg.copy==="function"&&typeof arg.fill==="function"&&typeof arg.readUInt8==="function"}},{}],10:[function(require,module,exports){(function(process,global){(function(){var formatRegExp=/%[sdj%]/g;exports.format=function(f){if(!isString(f)){var objects=[];for(var i=0;i=len)return x;switch(x){case"%s":return String(args[i++]);case"%d":return Number(args[i++]);case"%j":try{return JSON.stringify(args[i++])}catch(_){return"[Circular]"}default:return x}});for(var x=args[i];i=3)ctx.depth=arguments[2];if(arguments.length>=4)ctx.colors=arguments[3];if(isBoolean(opts)){ctx.showHidden=opts}else if(opts){exports._extend(ctx,opts)}if(isUndefined(ctx.showHidden))ctx.showHidden=false;if(isUndefined(ctx.depth))ctx.depth=2;if(isUndefined(ctx.colors))ctx.colors=false;if(isUndefined(ctx.customInspect))ctx.customInspect=true;if(ctx.colors)ctx.stylize=stylizeWithColor;return formatValue(ctx,obj,ctx.depth)}exports.inspect=inspect;inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]};inspect.styles={special:"cyan",number:"yellow",boolean:"yellow",undefined:"grey",null:"bold",string:"green",date:"magenta",regexp:"red"};function stylizeWithColor(str,styleType){var style=inspect.styles[styleType];if(style){return"["+inspect.colors[style][0]+"m"+str+"["+inspect.colors[style][1]+"m"}else{return str}}function stylizeNoColor(str,styleType){return str}function arrayToHash(array){var hash={};array.forEach(function(val,idx){hash[val]=true});return hash}function formatValue(ctx,value,recurseTimes){if(ctx.customInspect&&value&&isFunction(value.inspect)&&value.inspect!==exports.inspect&&!(value.constructor&&value.constructor.prototype===value)){var ret=value.inspect(recurseTimes,ctx);if(!isString(ret)){ret=formatValue(ctx,ret,recurseTimes)}return ret}var primitive=formatPrimitive(ctx,value);if(primitive){return primitive}var keys=Object.keys(value);var visibleKeys=arrayToHash(keys);if(ctx.showHidden){keys=Object.getOwnPropertyNames(value)}if(isError(value)&&(keys.indexOf("message")>=0||keys.indexOf("description")>=0)){return formatError(value)}if(keys.length===0){if(isFunction(value)){var name=value.name?": "+value.name:"";return ctx.stylize("[Function"+name+"]","special")}if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}if(isDate(value)){return ctx.stylize(Date.prototype.toString.call(value),"date")}if(isError(value)){return formatError(value)}}var base="",array=false,braces=["{","}"];if(isArray(value)){array=true;braces=["[","]"]}if(isFunction(value)){var n=value.name?": "+value.name:"";base=" [Function"+n+"]"}if(isRegExp(value)){base=" "+RegExp.prototype.toString.call(value)}if(isDate(value)){base=" "+Date.prototype.toUTCString.call(value)}if(isError(value)){base=" "+formatError(value)}if(keys.length===0&&(!array||value.length==0)){return braces[0]+base+braces[1]}if(recurseTimes<0){if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}else{return ctx.stylize("[Object]","special")}}ctx.seen.push(value);var output;if(array){output=formatArray(ctx,value,recurseTimes,visibleKeys,keys)}else{output=keys.map(function(key){return formatProperty(ctx,value,recurseTimes,visibleKeys,key,array)})}ctx.seen.pop();return reduceToSingleString(output,base,braces)}function formatPrimitive(ctx,value){if(isUndefined(value))return ctx.stylize("undefined","undefined");if(isString(value)){var simple="'"+JSON.stringify(value).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,'"')+"'";return ctx.stylize(simple,"string")}if(isNumber(value))return ctx.stylize(""+value,"number");if(isBoolean(value))return ctx.stylize(""+value,"boolean");if(isNull(value))return ctx.stylize("null","null")}function formatError(value){return"["+Error.prototype.toString.call(value)+"]"}function formatArray(ctx,value,recurseTimes,visibleKeys,keys){var output=[];for(var i=0,l=value.length;i-1){if(array){str=str.split("\n").map(function(line){return" "+line}).join("\n").substr(2)}else{str="\n"+str.split("\n").map(function(line){return" "+line}).join("\n")}}}else{str=ctx.stylize("[Circular]","special")}}if(isUndefined(name)){if(array&&key.match(/^\d+$/)){return str}name=JSON.stringify(""+key);if(name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)){name=name.substr(1,name.length-2);name=ctx.stylize(name,"name")}else{name=name.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'");name=ctx.stylize(name,"string")}}return name+": "+str}function reduceToSingleString(output,base,braces){var numLinesEst=0;var length=output.reduce(function(prev,cur){numLinesEst++;if(cur.indexOf("\n")>=0)numLinesEst++;return prev+cur.replace(/\u001b\[\d\d?m/g,"").length+1},0);if(length>60){return braces[0]+(base===""?"":base+"\n ")+" "+output.join(",\n ")+" "+braces[1]}return braces[0]+base+" "+output.join(", ")+" "+braces[1]}function isArray(ar){return Array.isArray(ar)}exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return isObject(re)&&objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return isObject(d)&&objectToString(d)==="[object Date]"}exports.isDate=isDate;function isError(e){return isObject(e)&&(objectToString(e)==="[object Error]"||e instanceof Error)}exports.isError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;exports.isBuffer=require("./support/isBuffer");function objectToString(o){return Object.prototype.toString.call(o)}function pad(n){return n<10?"0"+n.toString(10):n.toString(10)}var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];function timestamp(){var d=new Date;var time=[pad(d.getHours()),pad(d.getMinutes()),pad(d.getSeconds())].join(":");return[d.getDate(),months[d.getMonth()],time].join(" ")}exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))};exports.inherits=require("inherits");exports._extend=function(origin,add){if(!add||!isObject(add))return origin;var keys=Object.keys(add);var i=keys.length;while(i--){origin[keys[i]]=add[keys[i]]}return origin};function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}}).call(this)}).call(this,require("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./support/isBuffer":9,_process:23,inherits:8}],11:[function(require,module,exports){"use strict";exports.byteLength=byteLength;exports.toByteArray=toByteArray;exports.fromByteArray=fromByteArray;var lookup=[];var revLookup=[];var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var code="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";for(var i=0,len=code.length;i0){throw new Error("Invalid string. Length must be a multiple of 4")}var validLen=b64.indexOf("=");if(validLen===-1)validLen=len;var placeHoldersLen=validLen===len?0:4-validLen%4;return[validLen,placeHoldersLen]}function byteLength(b64){var lens=getLens(b64);var validLen=lens[0];var placeHoldersLen=lens[1];return(validLen+placeHoldersLen)*3/4-placeHoldersLen}function _byteLength(b64,validLen,placeHoldersLen){return(validLen+placeHoldersLen)*3/4-placeHoldersLen}function toByteArray(b64){var tmp;var lens=getLens(b64);var validLen=lens[0];var placeHoldersLen=lens[1];var arr=new Arr(_byteLength(b64,validLen,placeHoldersLen));var curByte=0;var len=placeHoldersLen>0?validLen-4:validLen;var i;for(i=0;i>16&255;arr[curByte++]=tmp>>8&255;arr[curByte++]=tmp&255}if(placeHoldersLen===2){tmp=revLookup[b64.charCodeAt(i)]<<2|revLookup[b64.charCodeAt(i+1)]>>4;arr[curByte++]=tmp&255}if(placeHoldersLen===1){tmp=revLookup[b64.charCodeAt(i)]<<10|revLookup[b64.charCodeAt(i+1)]<<4|revLookup[b64.charCodeAt(i+2)]>>2;arr[curByte++]=tmp>>8&255;arr[curByte++]=tmp&255}return arr}function tripletToBase64(num){return lookup[num>>18&63]+lookup[num>>12&63]+lookup[num>>6&63]+lookup[num&63]}function encodeChunk(uint8,start,end){var tmp;var output=[];for(var i=start;ilen2?len2:i+maxChunkLength))}if(extraBytes===1){tmp=uint8[len-1];parts.push(lookup[tmp>>2]+lookup[tmp<<4&63]+"==")}else if(extraBytes===2){tmp=(uint8[len-2]<<8)+uint8[len-1];parts.push(lookup[tmp>>10]+lookup[tmp>>4&63]+lookup[tmp<<2&63]+"=")}return parts.join("")}},{}],12:[function(require,module,exports){"use strict";var DuplexStream=require("readable-stream").Duplex,util=require("util"),Buffer=require("safe-buffer").Buffer;function BufferList(callback){if(!(this instanceof BufferList))return new BufferList(callback);this._bufs=[];this.length=0;if(typeof callback=="function"){this._callback=callback;var piper=function piper(err){if(this._callback){this._callback(err);this._callback=null}}.bind(this);this.on("pipe",function onPipe(src){src.on("error",piper)});this.on("unpipe",function onUnpipe(src){src.removeListener("error",piper)})}else{this.append(callback)}DuplexStream.call(this)}util.inherits(BufferList,DuplexStream);BufferList.prototype._offset=function _offset(offset){var tot=0,i=0,_t;if(offset===0)return[0,0];for(;ithis.length||index<0){return undefined}var offset=this._offset(index);return this._bufs[offset[0]][offset[1]]};BufferList.prototype.slice=function slice(start,end){if(typeof start=="number"&&start<0)start+=this.length;if(typeof end=="number"&&end<0)end+=this.length;return this.copy(null,0,start,end)};BufferList.prototype.copy=function copy(dst,dstStart,srcStart,srcEnd){if(typeof srcStart!="number"||srcStart<0)srcStart=0;if(typeof srcEnd!="number"||srcEnd>this.length)srcEnd=this.length;if(srcStart>=this.length)return dst||Buffer.alloc(0);if(srcEnd<=0)return dst||Buffer.alloc(0);var copy=!!dst,off=this._offset(srcStart),len=srcEnd-srcStart,bytes=len,bufoff=copy&&dstStart||0,start=off[1],l,i;if(srcStart===0&&srcEnd==this.length){if(!copy){return this._bufs.length===1?this._bufs[0]:Buffer.concat(this._bufs,this.length)}for(i=0;il){this._bufs[i].copy(dst,bufoff,start);bufoff+=l}else{this._bufs[i].copy(dst,bufoff,start,start+bytes);bufoff+=l;break}bytes-=l;if(start)start=0}if(dst.length>bufoff)return dst.slice(0,bufoff);return dst};BufferList.prototype.shallowSlice=function shallowSlice(start,end){start=start||0;end=typeof end!=="number"?this.length:end;if(start<0)start+=this.length;if(end<0)end+=this.length;if(start===end){return new BufferList}var startOffset=this._offset(start),endOffset=this._offset(end),buffers=this._bufs.slice(startOffset[0],endOffset[0]+1);if(endOffset[1]==0)buffers.pop();else buffers[buffers.length-1]=buffers[buffers.length-1].slice(0,endOffset[1]);if(startOffset[1]!=0)buffers[0]=buffers[0].slice(startOffset[1]);return new BufferList(buffers)};BufferList.prototype.toString=function toString(encoding,start,end){return this.slice(start,end).toString(encoding)};BufferList.prototype.consume=function consume(bytes){bytes=Math.trunc(bytes);if(Number.isNaN(bytes)||bytes<=0)return this;while(this._bufs.length){if(bytes>=this._bufs[0].length){bytes-=this._bufs[0].length;this.length-=this._bufs[0].length;this._bufs.shift()}else{this._bufs[0]=this._bufs[0].slice(bytes);this.length-=bytes;break}}return this};BufferList.prototype.duplicate=function duplicate(){var i=0,copy=new BufferList;for(;ithis.length?this.length:offset}var blOffset=this._offset(offset);var blIndex=blOffset[0];var buffOffset=blOffset[1];for(blIndex;blIndex=search.length){var nativeSearchResult=buff.indexOf(search,buffOffset);if(nativeSearchResult!==-1){return this._reverseOffset([blIndex,nativeSearchResult])}buffOffset=buff.length-search.length+1}else{var revOffset=this._reverseOffset([blIndex,buffOffset]);if(this._match(revOffset,search)){return revOffset}buffOffset++}}buffOffset=0}return-1};BufferList.prototype._match=function(offset,search){if(this.length-offsetK_MAX_LENGTH){throw new RangeError('The value "'+length+'" is invalid for option "size"')}var buf=new Uint8Array(length);buf.__proto__=Buffer.prototype;return buf}function Buffer(arg,encodingOrOffset,length){if(typeof arg==="number"){if(typeof encodingOrOffset==="string"){throw new TypeError('The "string" argument must be of type string. Received type number')}return allocUnsafe(arg)}return from(arg,encodingOrOffset,length)}if(typeof Symbol!=="undefined"&&Symbol.species!=null&&Buffer[Symbol.species]===Buffer){Object.defineProperty(Buffer,Symbol.species,{value:null,configurable:true,enumerable:false,writable:false})}Buffer.poolSize=8192;function from(value,encodingOrOffset,length){if(typeof value==="string"){return fromString(value,encodingOrOffset)}if(ArrayBuffer.isView(value)){return fromArrayLike(value)}if(value==null){throw TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, "+"or Array-like Object. Received type "+typeof value)}if(isInstance(value,ArrayBuffer)||value&&isInstance(value.buffer,ArrayBuffer)){return fromArrayBuffer(value,encodingOrOffset,length)}if(typeof value==="number"){throw new TypeError('The "value" argument must not be of type number. Received type number')}var valueOf=value.valueOf&&value.valueOf();if(valueOf!=null&&valueOf!==value){return Buffer.from(valueOf,encodingOrOffset,length)}var b=fromObject(value);if(b)return b;if(typeof Symbol!=="undefined"&&Symbol.toPrimitive!=null&&typeof value[Symbol.toPrimitive]==="function"){return Buffer.from(value[Symbol.toPrimitive]("string"),encodingOrOffset,length)}throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, "+"or Array-like Object. Received type "+typeof value)}Buffer.from=function(value,encodingOrOffset,length){return from(value,encodingOrOffset,length)};Buffer.prototype.__proto__=Uint8Array.prototype;Buffer.__proto__=Uint8Array;function assertSize(size){if(typeof size!=="number"){throw new TypeError('"size" argument must be of type number')}else if(size<0){throw new RangeError('The value "'+size+'" is invalid for option "size"')}}function alloc(size,fill,encoding){assertSize(size);if(size<=0){return createBuffer(size)}if(fill!==undefined){return typeof encoding==="string"?createBuffer(size).fill(fill,encoding):createBuffer(size).fill(fill)}return createBuffer(size)}Buffer.alloc=function(size,fill,encoding){return alloc(size,fill,encoding)};function allocUnsafe(size){assertSize(size);return createBuffer(size<0?0:checked(size)|0)}Buffer.allocUnsafe=function(size){return allocUnsafe(size)};Buffer.allocUnsafeSlow=function(size){return allocUnsafe(size)};function fromString(string,encoding){if(typeof encoding!=="string"||encoding===""){encoding="utf8"}if(!Buffer.isEncoding(encoding)){throw new TypeError("Unknown encoding: "+encoding)}var length=byteLength(string,encoding)|0;var buf=createBuffer(length);var actual=buf.write(string,encoding);if(actual!==length){buf=buf.slice(0,actual)}return buf}function fromArrayLike(array){var length=array.length<0?0:checked(array.length)|0;var buf=createBuffer(length);for(var i=0;i=K_MAX_LENGTH){throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+K_MAX_LENGTH.toString(16)+" bytes")}return length|0}function SlowBuffer(length){if(+length!=length){length=0}return Buffer.alloc(+length)}Buffer.isBuffer=function isBuffer(b){return b!=null&&b._isBuffer===true&&b!==Buffer.prototype};Buffer.compare=function compare(a,b){if(isInstance(a,Uint8Array))a=Buffer.from(a,a.offset,a.byteLength);if(isInstance(b,Uint8Array))b=Buffer.from(b,b.offset,b.byteLength);if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b)){throw new TypeError('The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array')}if(a===b)return 0;var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i2&&arguments[2]===true;if(!mustMatch&&len===0)return 0;var loweredCase=false;for(;;){switch(encoding){case"ascii":case"latin1":case"binary":return len;case"utf8":case"utf-8":return utf8ToBytes(string).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return len*2;case"hex":return len>>>1;case"base64":return base64ToBytes(string).length;default:if(loweredCase){return mustMatch?-1:utf8ToBytes(string).length}encoding=(""+encoding).toLowerCase();loweredCase=true}}}Buffer.byteLength=byteLength;function slowToString(encoding,start,end){var loweredCase=false;if(start===undefined||start<0){start=0}if(start>this.length){return""}if(end===undefined||end>this.length){end=this.length}if(end<=0){return""}end>>>=0;start>>>=0;if(end<=start){return""}if(!encoding)encoding="utf8";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"latin1":case"binary":return latin1Slice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}}Buffer.prototype._isBuffer=true;function swap(b,n,m){var i=b[n];b[n]=b[m];b[m]=i}Buffer.prototype.swap16=function swap16(){var len=this.length;if(len%2!==0){throw new RangeError("Buffer size must be a multiple of 16-bits")}for(var i=0;imax)str+=" ... ";return""};Buffer.prototype.compare=function compare(target,start,end,thisStart,thisEnd){if(isInstance(target,Uint8Array)){target=Buffer.from(target,target.offset,target.byteLength)}if(!Buffer.isBuffer(target)){throw new TypeError('The "target" argument must be one of type Buffer or Uint8Array. '+"Received type "+typeof target)}if(start===undefined){start=0}if(end===undefined){end=target?target.length:0}if(thisStart===undefined){thisStart=0}if(thisEnd===undefined){thisEnd=this.length}if(start<0||end>target.length||thisStart<0||thisEnd>this.length){throw new RangeError("out of range index")}if(thisStart>=thisEnd&&start>=end){return 0}if(thisStart>=thisEnd){return-1}if(start>=end){return 1}start>>>=0;end>>>=0;thisStart>>>=0;thisEnd>>>=0;if(this===target)return 0;var x=thisEnd-thisStart;var y=end-start;var len=Math.min(x,y);var thisCopy=this.slice(thisStart,thisEnd);var targetCopy=target.slice(start,end);for(var i=0;i2147483647){byteOffset=2147483647}else if(byteOffset<-2147483648){byteOffset=-2147483648}byteOffset=+byteOffset;if(numberIsNaN(byteOffset)){byteOffset=dir?0:buffer.length-1}if(byteOffset<0)byteOffset=buffer.length+byteOffset;if(byteOffset>=buffer.length){if(dir)return-1;else byteOffset=buffer.length-1}else if(byteOffset<0){if(dir)byteOffset=0;else return-1}if(typeof val==="string"){val=Buffer.from(val,encoding)}if(Buffer.isBuffer(val)){if(val.length===0){return-1}return arrayIndexOf(buffer,val,byteOffset,encoding,dir)}else if(typeof val==="number"){val=val&255;if(typeof Uint8Array.prototype.indexOf==="function"){if(dir){return Uint8Array.prototype.indexOf.call(buffer,val,byteOffset)}else{return Uint8Array.prototype.lastIndexOf.call(buffer,val,byteOffset)}}return arrayIndexOf(buffer,[val],byteOffset,encoding,dir)}throw new TypeError("val must be string, number or Buffer")}function arrayIndexOf(arr,val,byteOffset,encoding,dir){var indexSize=1;var arrLength=arr.length;var valLength=val.length;if(encoding!==undefined){encoding=String(encoding).toLowerCase();if(encoding==="ucs2"||encoding==="ucs-2"||encoding==="utf16le"||encoding==="utf-16le"){if(arr.length<2||val.length<2){return-1}indexSize=2;arrLength/=2;valLength/=2;byteOffset/=2}}function read(buf,i){if(indexSize===1){return buf[i]}else{return buf.readUInt16BE(i*indexSize)}}var i;if(dir){var foundIndex=-1;for(i=byteOffset;iarrLength)byteOffset=arrLength-valLength;for(i=byteOffset;i>=0;i--){var found=true;for(var j=0;jremaining){length=remaining}}var strLen=string.length;if(length>strLen/2){length=strLen/2}for(var i=0;i>>0;if(isFinite(length)){length=length>>>0;if(encoding===undefined)encoding="utf8"}else{encoding=length;length=undefined}}else{throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported")}var remaining=this.length-offset;if(length===undefined||length>remaining)length=remaining;if(string.length>0&&(length<0||offset<0)||offset>this.length){throw new RangeError("Attempt to write outside buffer bounds")}if(!encoding)encoding="utf8";var loweredCase=false;for(;;){switch(encoding){case"hex":return hexWrite(this,string,offset,length);case"utf8":case"utf-8":return utf8Write(this,string,offset,length);case"ascii":return asciiWrite(this,string,offset,length);case"latin1":case"binary":return latin1Write(this,string,offset,length);case"base64":return base64Write(this,string,offset,length);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,string,offset,length);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(""+encoding).toLowerCase();loweredCase=true}}};Buffer.prototype.toJSON=function toJSON(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){end=Math.min(buf.length,end);var res=[];var i=start;while(i239?4:firstByte>223?3:firstByte>191?2:1;if(i+bytesPerSequence<=end){var secondByte,thirdByte,fourthByte,tempCodePoint;switch(bytesPerSequence){case 1:if(firstByte<128){codePoint=firstByte}break;case 2:secondByte=buf[i+1];if((secondByte&192)===128){tempCodePoint=(firstByte&31)<<6|secondByte&63;if(tempCodePoint>127){codePoint=tempCodePoint}}break;case 3:secondByte=buf[i+1];thirdByte=buf[i+2];if((secondByte&192)===128&&(thirdByte&192)===128){tempCodePoint=(firstByte&15)<<12|(secondByte&63)<<6|thirdByte&63;if(tempCodePoint>2047&&(tempCodePoint<55296||tempCodePoint>57343)){codePoint=tempCodePoint}}break;case 4:secondByte=buf[i+1];thirdByte=buf[i+2];fourthByte=buf[i+3];if((secondByte&192)===128&&(thirdByte&192)===128&&(fourthByte&192)===128){tempCodePoint=(firstByte&15)<<18|(secondByte&63)<<12|(thirdByte&63)<<6|fourthByte&63;if(tempCodePoint>65535&&tempCodePoint<1114112){codePoint=tempCodePoint}}}}if(codePoint===null){codePoint=65533;bytesPerSequence=1}else if(codePoint>65535){codePoint-=65536;res.push(codePoint>>>10&1023|55296);codePoint=56320|codePoint&1023}res.push(codePoint);i+=bytesPerSequence}return decodeCodePointsArray(res)}var MAX_ARGUMENTS_LENGTH=4096;function decodeCodePointsArray(codePoints){var len=codePoints.length;if(len<=MAX_ARGUMENTS_LENGTH){return String.fromCharCode.apply(String,codePoints)}var res="";var i=0;while(ilen)end=len;var out="";for(var i=start;ilen){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(endlength)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function readUIntLE(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i>>0;byteLength=byteLength>>>0;if(!noAssert){checkOffset(offset,byteLength,this.length)}var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256)){val+=this[offset+--byteLength]*mul}return val};Buffer.prototype.readUInt8=function readUInt8(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function readUInt16LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function readUInt16BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function readUInt32LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function readUInt32BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function readIntLE(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function readIntBE(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256)){val+=this[offset+--i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function readInt8(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function readInt16LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function readInt16BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function readInt32LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function readInt32BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function readFloatLE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function readFloatBE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function readDoubleLE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function readDoubleBE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError('"buffer" argument must be a Buffer instance');if(value>max||valuebuf.length)throw new RangeError("Index out of range")}Buffer.prototype.writeUIntLE=function writeUIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var mul=1;var i=0;this[offset]=value&255;while(++i>>0;byteLength=byteLength>>>0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUInt8=function writeUInt8(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,255,0);this[offset]=value&255;return offset+1};Buffer.prototype.writeUInt16LE=function writeUInt16LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);this[offset]=value&255;this[offset+1]=value>>>8;return offset+2};Buffer.prototype.writeUInt16BE=function writeUInt16BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);this[offset]=value>>>8;this[offset+1]=value&255;return offset+2};Buffer.prototype.writeUInt32LE=function writeUInt32LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value&255;return offset+4};Buffer.prototype.writeUInt32BE=function writeUInt32BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255;return offset+4};Buffer.prototype.writeIntLE=function writeIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0;var mul=1;var sub=0;this[offset]=value&255;while(++i>0)-sub&255}return offset+byteLength};Buffer.prototype.writeIntBE=function writeIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1;var mul=1;var sub=0;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){if(value<0&&sub===0&&this[offset+i+1]!==0){sub=1}this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeInt8=function writeInt8(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(value<0)value=255+value+1;this[offset]=value&255;return offset+1};Buffer.prototype.writeInt16LE=function writeInt16LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);this[offset]=value&255;this[offset+1]=value>>>8;return offset+2};Buffer.prototype.writeInt16BE=function writeInt16BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);this[offset]=value>>>8;this[offset+1]=value&255;return offset+2};Buffer.prototype.writeInt32LE=function writeInt32LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);this[offset]=value&255;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24;return offset+4};Buffer.prototype.writeInt32BE=function writeInt32BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255;return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(offset+ext>buf.length)throw new RangeError("Index out of range");if(offset<0)throw new RangeError("Index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkIEEE754(buf,value,offset,4,34028234663852886e22,-34028234663852886e22)}ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function writeFloatLE(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function writeFloatBE(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkIEEE754(buf,value,offset,8,17976931348623157e292,-17976931348623157e292)}ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function writeDoubleLE(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function writeDoubleBE(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function copy(target,targetStart,start,end){if(!Buffer.isBuffer(target))throw new TypeError("argument should be a Buffer");if(!start)start=0;if(!end&&end!==0)end=this.length;if(targetStart>=target.length)targetStart=target.length;if(!targetStart)targetStart=0;if(end>0&&end=this.length)throw new RangeError("Index out of range");if(end<0)throw new RangeError("sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-targetStart=0;--i){target[i+targetStart]=this[i+start]}}else{Uint8Array.prototype.set.call(target,this.subarray(start,end),targetStart)}return len};Buffer.prototype.fill=function fill(val,start,end,encoding){if(typeof val==="string"){if(typeof start==="string"){encoding=start;start=0;end=this.length}else if(typeof end==="string"){encoding=end;end=this.length}if(encoding!==undefined&&typeof encoding!=="string"){throw new TypeError("encoding must be a string")}if(typeof encoding==="string"&&!Buffer.isEncoding(encoding)){throw new TypeError("Unknown encoding: "+encoding)}if(val.length===1){var code=val.charCodeAt(0);if(encoding==="utf8"&&code<128||encoding==="latin1"){val=code}}}else if(typeof val==="number"){val=val&255}if(start<0||this.length>>0;end=end===undefined?this.length:end>>>0;if(!val)val=0;var i;if(typeof val==="number"){for(i=start;i55295&&codePoint<57344){if(!leadSurrogate){if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}leadSurrogate=codePoint;continue}if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}codePoint=(leadSurrogate-55296<<10|codePoint-56320)+65536}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189)}leadSurrogate=null;if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<1114112){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length){for(var i=0;i=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function isInstance(obj,type){return obj instanceof type||obj!=null&&obj.constructor!=null&&obj.constructor.name!=null&&obj.constructor.name===type.name}function numberIsNaN(obj){return obj!==obj}}).call(this)}).call(this,require("buffer").Buffer)},{"base64-js":11,buffer:14,ieee754:17}],15:[function(require,module,exports){(function(Buffer){(function(){function isArray(arg){if(Array.isArray){return Array.isArray(arg)}return objectToString(arg)==="[object Array]"}exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return objectToString(d)==="[object Date]"}exports.isDate=isDate;function isError(e){return objectToString(e)==="[object Error]"||e instanceof Error}exports.isError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;exports.isBuffer=Buffer.isBuffer;function objectToString(o){return Object.prototype.toString.call(o)}}).call(this)}).call(this,{isBuffer:require("../../is-buffer/index.js")})},{"../../is-buffer/index.js":19}],16:[function(require,module,exports){var objectCreate=Object.create||objectCreatePolyfill;var objectKeys=Object.keys||objectKeysPolyfill;var bind=Function.prototype.bind||functionBindPolyfill;function EventEmitter(){if(!this._events||!Object.prototype.hasOwnProperty.call(this,"_events")){this._events=objectCreate(null);this._eventsCount=0}this._maxListeners=this._maxListeners||undefined}module.exports=EventEmitter;EventEmitter.EventEmitter=EventEmitter;EventEmitter.prototype._events=undefined;EventEmitter.prototype._maxListeners=undefined;var defaultMaxListeners=10;var hasDefineProperty;try{var o={};if(Object.defineProperty)Object.defineProperty(o,"x",{value:0});hasDefineProperty=o.x===0}catch(err){hasDefineProperty=false}if(hasDefineProperty){Object.defineProperty(EventEmitter,"defaultMaxListeners",{enumerable:true,get:function(){return defaultMaxListeners},set:function(arg){if(typeof arg!=="number"||arg<0||arg!==arg)throw new TypeError('"defaultMaxListeners" must be a positive number');defaultMaxListeners=arg}})}else{EventEmitter.defaultMaxListeners=defaultMaxListeners}EventEmitter.prototype.setMaxListeners=function setMaxListeners(n){if(typeof n!=="number"||n<0||isNaN(n))throw new TypeError('"n" argument must be a positive number');this._maxListeners=n;return this};function $getMaxListeners(that){if(that._maxListeners===undefined)return EventEmitter.defaultMaxListeners;return that._maxListeners}EventEmitter.prototype.getMaxListeners=function getMaxListeners(){return $getMaxListeners(this)};function emitNone(handler,isFn,self){if(isFn)handler.call(self);else{var len=handler.length;var listeners=arrayClone(handler,len);for(var i=0;i1)er=arguments[1];if(er instanceof Error){throw er}else{var err=new Error('Unhandled "error" event. ('+er+")");err.context=er;throw err}return false}handler=events[type];if(!handler)return false;var isFn=typeof handler==="function";len=arguments.length;switch(len){case 1:emitNone(handler,isFn,this);break;case 2:emitOne(handler,isFn,this,arguments[1]);break;case 3:emitTwo(handler,isFn,this,arguments[1],arguments[2]);break;case 4:emitThree(handler,isFn,this,arguments[1],arguments[2],arguments[3]);break;default:args=new Array(len-1);for(i=1;i0&&existing.length>m){existing.warned=true;var w=new Error("Possible EventEmitter memory leak detected. "+existing.length+' "'+String(type)+'" listeners '+"added. Use emitter.setMaxListeners() to "+"increase limit.");w.name="MaxListenersExceededWarning";w.emitter=target;w.type=type;w.count=existing.length;if(typeof console==="object"&&console.warn){console.warn("%s: %s",w.name,w.message)}}}}return target}EventEmitter.prototype.addListener=function addListener(type,listener){return _addListener(this,type,listener,false)};EventEmitter.prototype.on=EventEmitter.prototype.addListener;EventEmitter.prototype.prependListener=function prependListener(type,listener){return _addListener(this,type,listener,true)};function onceWrapper(){if(!this.fired){this.target.removeListener(this.type,this.wrapFn);this.fired=true;switch(arguments.length){case 0:return this.listener.call(this.target);case 1:return this.listener.call(this.target,arguments[0]);case 2:return this.listener.call(this.target,arguments[0],arguments[1]);case 3:return this.listener.call(this.target,arguments[0],arguments[1],arguments[2]);default:var args=new Array(arguments.length);for(var i=0;i=0;i--){if(list[i]===listener||list[i].listener===listener){originalListener=list[i].listener;position=i;break}}if(position<0)return this;if(position===0)list.shift();else spliceOne(list,position);if(list.length===1)events[type]=list[0];if(events.removeListener)this.emit("removeListener",type,originalListener||listener)}return this};EventEmitter.prototype.removeAllListeners=function removeAllListeners(type){var listeners,events,i;events=this._events;if(!events)return this;if(!events.removeListener){if(arguments.length===0){this._events=objectCreate(null);this._eventsCount=0}else if(events[type]){if(--this._eventsCount===0)this._events=objectCreate(null);else delete events[type]}return this}if(arguments.length===0){var keys=objectKeys(events);var key;for(i=0;i=0;i--){this.removeListener(type,listeners[i])}}return this};function _listeners(target,type,unwrap){var events=target._events;if(!events)return[];var evlistener=events[type];if(!evlistener)return[];if(typeof evlistener==="function")return unwrap?[evlistener.listener||evlistener]:[evlistener];return unwrap?unwrapListeners(evlistener):arrayClone(evlistener,evlistener.length)}EventEmitter.prototype.listeners=function listeners(type){return _listeners(this,type,true)};EventEmitter.prototype.rawListeners=function rawListeners(type){return _listeners(this,type,false)};EventEmitter.listenerCount=function(emitter,type){if(typeof emitter.listenerCount==="function"){return emitter.listenerCount(type)}else{return listenerCount.call(emitter,type)}};EventEmitter.prototype.listenerCount=listenerCount;function listenerCount(type){var events=this._events;if(events){var evlistener=events[type];if(typeof evlistener==="function"){return 1}else if(evlistener){return evlistener.length}}return 0}EventEmitter.prototype.eventNames=function eventNames(){return this._eventsCount>0?Reflect.ownKeys(this._events):[]};function spliceOne(list,index){for(var i=index,k=i+1,n=list.length;k>1;var nBits=-7;var i=isLE?nBytes-1:0;var d=isLE?-1:1;var s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8){}m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8){}if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c;var eLen=nBytes*8-mLen-1;var eMax=(1<>1;var rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0;var i=isLE?0:nBytes-1;var d=isLE?1:-1;var s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8){}e=e<0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8){}buffer[offset+i-d]|=s*128}},{}],18:[function(require,module,exports){if(typeof Object.create==="function"){module.exports=function inherits(ctor,superCtor){if(superCtor){ctor.super_=superCtor;ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:false,writable:true,configurable:true}})}}}else{module.exports=function inherits(ctor,superCtor){if(superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype;ctor.prototype=new TempCtor;ctor.prototype.constructor=ctor}}}},{}],19:[function(require,module,exports){module.exports=function(obj){return obj!=null&&(isBuffer(obj)||isSlowBuffer(obj)||!!obj._isBuffer)};function isBuffer(obj){return!!obj.constructor&&typeof obj.constructor.isBuffer==="function"&&obj.constructor.isBuffer(obj)}function isSlowBuffer(obj){return typeof obj.readFloatLE==="function"&&typeof obj.slice==="function"&&isBuffer(obj.slice(0,0))}},{}],20:[function(require,module,exports){var toString={}.toString;module.exports=Array.isArray||function(arr){return toString.call(arr)=="[object Array]"}},{}],21:[function(require,module,exports){"use strict";var getOwnPropertySymbols=Object.getOwnPropertySymbols;var hasOwnProperty=Object.prototype.hasOwnProperty;var propIsEnumerable=Object.prototype.propertyIsEnumerable;function toObject(val){if(val===null||val===undefined){throw new TypeError("Object.assign cannot be called with null or undefined")}return Object(val)}function shouldUseNative(){try{if(!Object.assign){return false}var test1=new String("abc");test1[5]="de";if(Object.getOwnPropertyNames(test1)[0]==="5"){return false}var test2={};for(var i=0;i<10;i++){test2["_"+String.fromCharCode(i)]=i}var order2=Object.getOwnPropertyNames(test2).map(function(n){return test2[n]});if(order2.join("")!=="0123456789"){return false}var test3={};"abcdefghijklmnopqrst".split("").forEach(function(letter){test3[letter]=letter});if(Object.keys(Object.assign({},test3)).join("")!=="abcdefghijklmnopqrst"){return false}return true}catch(err){return false}}module.exports=shouldUseNative()?Object.assign:function(target,source){var from;var to=toObject(target);var symbols;for(var s=1;s1){for(var i=1;i0){if(typeof chunk!=="string"&&!state.objectMode&&Object.getPrototypeOf(chunk)!==Buffer.prototype){chunk=_uint8ArrayToBuffer(chunk)}if(addToFront){if(state.endEmitted)stream.emit("error",new Error("stream.unshift() after end event"));else addChunk(stream,state,chunk,true)}else if(state.ended){stream.emit("error",new Error("stream.push() after EOF"))}else{state.reading=false;if(state.decoder&&!encoding){chunk=state.decoder.write(chunk);if(state.objectMode||chunk.length!==0)addChunk(stream,state,chunk,false);else maybeReadMore(stream,state)}else{addChunk(stream,state,chunk,false)}}}else if(!addToFront){state.reading=false}}return needMoreData(state)}function addChunk(stream,state,chunk,addToFront){if(state.flowing&&state.length===0&&!state.sync){stream.emit("data",chunk);stream.read(0)}else{state.length+=state.objectMode?1:chunk.length;if(addToFront)state.buffer.unshift(chunk);else state.buffer.push(chunk);if(state.needReadable)emitReadable(stream)}maybeReadMore(stream,state)}function chunkInvalid(state,chunk){var er;if(!_isUint8Array(chunk)&&typeof chunk!=="string"&&chunk!==undefined&&!state.objectMode){er=new TypeError("Invalid non-string/buffer chunk")}return er}function needMoreData(state){return!state.ended&&(state.needReadable||state.length=MAX_HWM){n=MAX_HWM}else{n--;n|=n>>>1;n|=n>>>2;n|=n>>>4;n|=n>>>8;n|=n>>>16;n++}return n}function howMuchToRead(n,state){if(n<=0||state.length===0&&state.ended)return 0;if(state.objectMode)return 1;if(n!==n){if(state.flowing&&state.length)return state.buffer.head.data.length;else return state.length}if(n>state.highWaterMark)state.highWaterMark=computeNewHighWaterMark(n);if(n<=state.length)return n;if(!state.ended){state.needReadable=true;return 0}return state.length}Readable.prototype.read=function(n){debug("read",n);n=parseInt(n,10);var state=this._readableState;var nOrig=n;if(n!==0)state.emittedReadable=false;if(n===0&&state.needReadable&&(state.length>=state.highWaterMark||state.ended)){debug("read: emitReadable",state.length,state.ended);if(state.length===0&&state.ended)endReadable(this);else emitReadable(this);return null}n=howMuchToRead(n,state);if(n===0&&state.ended){if(state.length===0)endReadable(this);return null}var doRead=state.needReadable;debug("need readable",doRead);if(state.length===0||state.length-n0)ret=fromList(n,state);else ret=null;if(ret===null){state.needReadable=true;n=0}else{state.length-=n}if(state.length===0){if(!state.ended)state.needReadable=true;if(nOrig!==n&&state.ended)endReadable(this)}if(ret!==null)this.emit("data",ret);return ret};function onEofChunk(stream,state){if(state.ended)return;if(state.decoder){var chunk=state.decoder.end();if(chunk&&chunk.length){state.buffer.push(chunk);state.length+=state.objectMode?1:chunk.length}}state.ended=true;emitReadable(stream)}function emitReadable(stream){var state=stream._readableState;state.needReadable=false;if(!state.emittedReadable){debug("emitReadable",state.flowing);state.emittedReadable=true;if(state.sync)pna.nextTick(emitReadable_,stream);else emitReadable_(stream)}}function emitReadable_(stream){debug("emit readable");stream.emit("readable");flow(stream)}function maybeReadMore(stream,state){if(!state.readingMore){state.readingMore=true;pna.nextTick(maybeReadMore_,stream,state)}}function maybeReadMore_(stream,state){var len=state.length;while(!state.reading&&!state.flowing&&!state.ended&&state.length1&&indexOf(state.pipes,dest)!==-1)&&!cleanedUp){debug("false write response, pause",src._readableState.awaitDrain);src._readableState.awaitDrain++;increasedAwaitDrain=true}src.pause()}}function onerror(er){debug("onerror",er);unpipe();dest.removeListener("error",onerror);if(EElistenerCount(dest,"error")===0)dest.emit("error",er)}prependListener(dest,"error",onerror);function onclose(){dest.removeListener("finish",onfinish);unpipe()}dest.once("close",onclose);function onfinish(){debug("onfinish");dest.removeListener("close",onclose);unpipe()}dest.once("finish",onfinish);function unpipe(){debug("unpipe");src.unpipe(dest)}dest.emit("pipe",src);if(!state.flowing){debug("pipe resume");src.resume()}return dest};function pipeOnDrain(src){return function(){var state=src._readableState;debug("pipeOnDrain",state.awaitDrain);if(state.awaitDrain)state.awaitDrain--;if(state.awaitDrain===0&&EElistenerCount(src,"data")){state.flowing=true;flow(src)}}}Readable.prototype.unpipe=function(dest){var state=this._readableState;var unpipeInfo={hasUnpiped:false};if(state.pipesCount===0)return this;if(state.pipesCount===1){if(dest&&dest!==state.pipes)return this;if(!dest)dest=state.pipes;state.pipes=null;state.pipesCount=0;state.flowing=false;if(dest)dest.emit("unpipe",this,unpipeInfo);return this}if(!dest){var dests=state.pipes;var len=state.pipesCount;state.pipes=null;state.pipesCount=0;state.flowing=false;for(var i=0;i=state.length){if(state.decoder)ret=state.buffer.join("");else if(state.buffer.length===1)ret=state.buffer.head.data;else ret=state.buffer.concat(state.length);state.buffer.clear()}else{ret=fromListPartial(n,state.buffer,state.decoder)}return ret}function fromListPartial(n,list,hasStrings){var ret;if(nstr.length?str.length:n;if(nb===str.length)ret+=str;else ret+=str.slice(0,n);n-=nb;if(n===0){if(nb===str.length){++c;if(p.next)list.head=p.next;else list.head=list.tail=null}else{list.head=p;p.data=str.slice(nb)}break}++c}list.length-=c;return ret}function copyFromBuffer(n,list){var ret=Buffer.allocUnsafe(n);var p=list.head;var c=1;p.data.copy(ret);n-=p.data.length;while(p=p.next){var buf=p.data;var nb=n>buf.length?buf.length:n;buf.copy(ret,ret.length-n,0,nb);n-=nb;if(n===0){if(nb===buf.length){++c;if(p.next)list.head=p.next;else list.head=list.tail=null}else{list.head=p;p.data=buf.slice(nb)}break}++c}list.length-=c;return ret}function endReadable(stream){var state=stream._readableState;if(state.length>0)throw new Error('"endReadable()" called on non-empty stream');if(!state.endEmitted){state.ended=true;pna.nextTick(endReadableNT,state,stream)}}function endReadableNT(state,stream){if(!state.endEmitted&&state.length===0){state.endEmitted=true;stream.readable=false;stream.emit("end")}}function indexOf(xs,x){for(var i=0,l=xs.length;i-1?setImmediate:pna.nextTick;var Duplex;Writable.WritableState=WritableState;var util=Object.create(require("core-util-is"));util.inherits=require("inherits");var internalUtil={deprecate:require("util-deprecate")};var Stream=require("./internal/streams/stream");var Buffer=require("safe-buffer").Buffer;var OurUint8Array=global.Uint8Array||function(){};function _uint8ArrayToBuffer(chunk){return Buffer.from(chunk)}function _isUint8Array(obj){return Buffer.isBuffer(obj)||obj instanceof OurUint8Array}var destroyImpl=require("./internal/streams/destroy");util.inherits(Writable,Stream);function nop(){}function WritableState(options,stream){Duplex=Duplex||require("./_stream_duplex");options=options||{};var isDuplex=stream instanceof Duplex;this.objectMode=!!options.objectMode;if(isDuplex)this.objectMode=this.objectMode||!!options.writableObjectMode;var hwm=options.highWaterMark;var writableHwm=options.writableHighWaterMark;var defaultHwm=this.objectMode?16:16*1024;if(hwm||hwm===0)this.highWaterMark=hwm;else if(isDuplex&&(writableHwm||writableHwm===0))this.highWaterMark=writableHwm;else this.highWaterMark=defaultHwm;this.highWaterMark=Math.floor(this.highWaterMark);this.finalCalled=false;this.needDrain=false;this.ending=false;this.ended=false;this.finished=false;this.destroyed=false;var noDecode=options.decodeStrings===false;this.decodeStrings=!noDecode;this.defaultEncoding=options.defaultEncoding||"utf8";this.length=0;this.writing=false;this.corked=0;this.sync=true;this.bufferProcessing=false;this.onwrite=function(er){onwrite(stream,er)};this.writecb=null;this.writelen=0;this.bufferedRequest=null;this.lastBufferedRequest=null;this.pendingcb=0;this.prefinished=false;this.errorEmitted=false;this.bufferedRequestCount=0;this.corkedRequestsFree=new CorkedRequest(this)}WritableState.prototype.getBuffer=function getBuffer(){var current=this.bufferedRequest;var out=[];while(current){out.push(current);current=current.next}return out};(function(){try{Object.defineProperty(WritableState.prototype,"buffer",{get:internalUtil.deprecate(function(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer "+"instead.","DEP0003")})}catch(_){}})();var realHasInstance;if(typeof Symbol==="function"&&Symbol.hasInstance&&typeof Function.prototype[Symbol.hasInstance]==="function"){realHasInstance=Function.prototype[Symbol.hasInstance];Object.defineProperty(Writable,Symbol.hasInstance,{value:function(object){if(realHasInstance.call(this,object))return true;if(this!==Writable)return false;return object&&object._writableState instanceof WritableState}})}else{realHasInstance=function(object){return object instanceof this}}function Writable(options){Duplex=Duplex||require("./_stream_duplex");if(!realHasInstance.call(Writable,this)&&!(this instanceof Duplex)){return new Writable(options)}this._writableState=new WritableState(options,this);this.writable=true;if(options){if(typeof options.write==="function")this._write=options.write;if(typeof options.writev==="function")this._writev=options.writev;if(typeof options.destroy==="function")this._destroy=options.destroy;if(typeof options.final==="function")this._final=options.final}Stream.call(this)}Writable.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe, not readable"))};function writeAfterEnd(stream,cb){var er=new Error("write after end");stream.emit("error",er);pna.nextTick(cb,er)}function validChunk(stream,state,chunk,cb){var valid=true;var er=false;if(chunk===null){er=new TypeError("May not write null values to stream")}else if(typeof chunk!=="string"&&chunk!==undefined&&!state.objectMode){er=new TypeError("Invalid non-string/buffer chunk")}if(er){stream.emit("error",er);pna.nextTick(cb,er);valid=false}return valid}Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState;var ret=false;var isBuf=!state.objectMode&&_isUint8Array(chunk);if(isBuf&&!Buffer.isBuffer(chunk)){chunk=_uint8ArrayToBuffer(chunk)}if(typeof encoding==="function"){cb=encoding;encoding=null}if(isBuf)encoding="buffer";else if(!encoding)encoding=state.defaultEncoding;if(typeof cb!=="function")cb=nop;if(state.ended)writeAfterEnd(this,cb);else if(isBuf||validChunk(this,state,chunk,cb)){state.pendingcb++;ret=writeOrBuffer(this,state,isBuf,chunk,encoding,cb)}return ret};Writable.prototype.cork=function(){var state=this._writableState;state.corked++};Writable.prototype.uncork=function(){var state=this._writableState;if(state.corked){state.corked--;if(!state.writing&&!state.corked&&!state.finished&&!state.bufferProcessing&&state.bufferedRequest)clearBuffer(this,state)}};Writable.prototype.setDefaultEncoding=function setDefaultEncoding(encoding){if(typeof encoding==="string")encoding=encoding.toLowerCase();if(!(["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((encoding+"").toLowerCase())>-1))throw new TypeError("Unknown encoding: "+encoding);this._writableState.defaultEncoding=encoding;return this};function decodeChunk(state,chunk,encoding){if(!state.objectMode&&state.decodeStrings!==false&&typeof chunk==="string"){chunk=Buffer.from(chunk,encoding)}return chunk}Object.defineProperty(Writable.prototype,"writableHighWaterMark",{enumerable:false,get:function(){return this._writableState.highWaterMark}});function writeOrBuffer(stream,state,isBuf,chunk,encoding,cb){if(!isBuf){var newChunk=decodeChunk(state,chunk,encoding);if(chunk!==newChunk){isBuf=true;encoding="buffer";chunk=newChunk}}var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length0)this.tail.next=entry;else this.head=entry;this.tail=entry;++this.length};BufferList.prototype.unshift=function unshift(v){var entry={data:v,next:this.head};if(this.length===0)this.tail=entry;this.head=entry;++this.length};BufferList.prototype.shift=function shift(){if(this.length===0)return;var ret=this.head.data;if(this.length===1)this.head=this.tail=null;else this.head=this.head.next;--this.length;return ret};BufferList.prototype.clear=function clear(){this.head=this.tail=null;this.length=0};BufferList.prototype.join=function join(s){if(this.length===0)return"";var p=this.head;var ret=""+p.data;while(p=p.next){ret+=s+p.data}return ret};BufferList.prototype.concat=function concat(n){if(this.length===0)return Buffer.alloc(0);if(this.length===1)return this.head.data;var ret=Buffer.allocUnsafe(n>>>0);var p=this.head;var i=0;while(p){copyBuffer(p.data,ret,i);i+=p.data.length;p=p.next}return ret};return BufferList}();if(util&&util.inspect&&util.inspect.custom){module.exports.prototype[util.inspect.custom]=function(){var obj=util.inspect({length:this.length});return this.constructor.name+" "+obj}}},{"safe-buffer":32,util:13}],30:[function(require,module,exports){"use strict";var pna=require("process-nextick-args");function destroy(err,cb){var _this=this;var readableDestroyed=this._readableState&&this._readableState.destroyed;var writableDestroyed=this._writableState&&this._writableState.destroyed;if(readableDestroyed||writableDestroyed){if(cb){cb(err)}else if(err&&(!this._writableState||!this._writableState.errorEmitted)){pna.nextTick(emitErrorNT,this,err)}return this}if(this._readableState){this._readableState.destroyed=true}if(this._writableState){this._writableState.destroyed=true}this._destroy(err||null,function(err){if(!cb&&err){pna.nextTick(emitErrorNT,_this,err);if(_this._writableState){_this._writableState.errorEmitted=true}}else if(cb){cb(err)}});return this}function undestroy(){if(this._readableState){this._readableState.destroyed=false;this._readableState.reading=false;this._readableState.ended=false;this._readableState.endEmitted=false}if(this._writableState){this._writableState.destroyed=false;this._writableState.ended=false;this._writableState.ending=false;this._writableState.finished=false;this._writableState.errorEmitted=false}}function emitErrorNT(self,err){self.emit("error",err)}module.exports={destroy:destroy,undestroy:undestroy}},{"process-nextick-args":22}],31:[function(require,module,exports){module.exports=require("events").EventEmitter},{events:16}],32:[function(require,module,exports){var buffer=require("buffer");var Buffer=buffer.Buffer;function copyProps(src,dst){for(var key in src){dst[key]=src[key]}}if(Buffer.from&&Buffer.alloc&&Buffer.allocUnsafe&&Buffer.allocUnsafeSlow){module.exports=buffer}else{copyProps(buffer,exports);exports.Buffer=SafeBuffer}function SafeBuffer(arg,encodingOrOffset,length){return Buffer(arg,encodingOrOffset,length)}copyProps(Buffer,SafeBuffer);SafeBuffer.from=function(arg,encodingOrOffset,length){if(typeof arg==="number"){throw new TypeError("Argument must not be a number")}return Buffer(arg,encodingOrOffset,length)};SafeBuffer.alloc=function(size,fill,encoding){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}var buf=Buffer(size);if(fill!==undefined){if(typeof encoding==="string"){buf.fill(fill,encoding)}else{buf.fill(fill)}}else{buf.fill(0)}return buf};SafeBuffer.allocUnsafe=function(size){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}return Buffer(size)};SafeBuffer.allocUnsafeSlow=function(size){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}return buffer.SlowBuffer(size)}},{buffer:14}],33:[function(require,module,exports){"use strict";var Buffer=require("safe-buffer").Buffer;var isEncoding=Buffer.isEncoding||function(encoding){encoding=""+encoding;switch(encoding&&encoding.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return true;default:return false}};function _normalizeEncoding(enc){if(!enc)return"utf8";var retried;while(true){switch(enc){case"utf8":case"utf-8":return"utf8";case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return"utf16le";case"latin1":case"binary":return"latin1";case"base64":case"ascii":case"hex":return enc;default:if(retried)return;enc=(""+enc).toLowerCase();retried=true}}}function normalizeEncoding(enc){var nenc=_normalizeEncoding(enc);if(typeof nenc!=="string"&&(Buffer.isEncoding===isEncoding||!isEncoding(enc)))throw new Error("Unknown encoding: "+enc);return nenc||enc}exports.StringDecoder=StringDecoder;function StringDecoder(encoding){this.encoding=normalizeEncoding(encoding);var nb;switch(this.encoding){case"utf16le":this.text=utf16Text;this.end=utf16End;nb=4;break;case"utf8":this.fillLast=utf8FillLast;nb=4;break;case"base64":this.text=base64Text;this.end=base64End;nb=3;break;default:this.write=simpleWrite;this.end=simpleEnd;return}this.lastNeed=0;this.lastTotal=0;this.lastChar=Buffer.allocUnsafe(nb)}StringDecoder.prototype.write=function(buf){if(buf.length===0)return"";var r;var i;if(this.lastNeed){r=this.fillLast(buf);if(r===undefined)return"";i=this.lastNeed;this.lastNeed=0}else{i=0}if(i>5===6)return 2;else if(byte>>4===14)return 3;else if(byte>>3===30)return 4;return byte>>6===2?-1:-2}function utf8CheckIncomplete(self,buf,i){var j=buf.length-1;if(j=0){if(nb>0)self.lastNeed=nb-1;return nb}if(--j=0){if(nb>0)self.lastNeed=nb-2;return nb}if(--j=0){if(nb>0){if(nb===2)nb=0;else self.lastNeed=nb-3}return nb}return 0}function utf8CheckExtraBytes(self,buf,p){if((buf[0]&192)!==128){self.lastNeed=0;return"�"}if(self.lastNeed>1&&buf.length>1){if((buf[1]&192)!==128){self.lastNeed=1;return"�"}if(self.lastNeed>2&&buf.length>2){if((buf[2]&192)!==128){self.lastNeed=2;return"�"}}}}function utf8FillLast(buf){var p=this.lastTotal-this.lastNeed;var r=utf8CheckExtraBytes(this,buf,p);if(r!==undefined)return r;if(this.lastNeed<=buf.length){buf.copy(this.lastChar,p,0,this.lastNeed);return this.lastChar.toString(this.encoding,0,this.lastTotal)}buf.copy(this.lastChar,p,0,buf.length);this.lastNeed-=buf.length}function utf8Text(buf,i){var total=utf8CheckIncomplete(this,buf,i);if(!this.lastNeed)return buf.toString("utf8",i);this.lastTotal=total;var end=buf.length-(total-this.lastNeed);buf.copy(this.lastChar,0,end);return buf.toString("utf8",i,end)}function utf8End(buf){var r=buf&&buf.length?this.write(buf):"";if(this.lastNeed)return r+"�";return r}function utf16Text(buf,i){if((buf.length-i)%2===0){var r=buf.toString("utf16le",i);if(r){var c=r.charCodeAt(r.length-1);if(c>=55296&&c<=56319){this.lastNeed=2;this.lastTotal=4;this.lastChar[0]=buf[buf.length-2];this.lastChar[1]=buf[buf.length-1];return r.slice(0,-1)}}return r}this.lastNeed=1;this.lastTotal=2;this.lastChar[0]=buf[buf.length-1];return buf.toString("utf16le",i,buf.length-1)}function utf16End(buf){var r=buf&&buf.length?this.write(buf):"";if(this.lastNeed){var end=this.lastTotal-this.lastNeed;return r+this.lastChar.toString("utf16le",0,end)}return r}function base64Text(buf,i){var n=(buf.length-i)%3;if(n===0)return buf.toString("base64",i);this.lastNeed=3-n;this.lastTotal=3;if(n===1){this.lastChar[0]=buf[buf.length-1]}else{this.lastChar[0]=buf[buf.length-2];this.lastChar[1]=buf[buf.length-1]}return buf.toString("base64",i,buf.length-n)}function base64End(buf){var r=buf&&buf.length?this.write(buf):"";if(this.lastNeed)return r+this.lastChar.toString("base64",0,3-this.lastNeed);return r}function simpleWrite(buf){return buf.toString(this.encoding)}function simpleEnd(buf){return buf&&buf.length?this.write(buf):""}},{"safe-buffer":32}],34:[function(require,module,exports){exports=module.exports=require("./lib/_stream_readable.js");exports.Stream=exports;exports.Readable=exports;exports.Writable=require("./lib/_stream_writable.js");exports.Duplex=require("./lib/_stream_duplex.js");exports.Transform=require("./lib/_stream_transform.js");exports.PassThrough=require("./lib/_stream_passthrough.js")},{"./lib/_stream_duplex.js":24,"./lib/_stream_passthrough.js":25,"./lib/_stream_readable.js":26,"./lib/_stream_transform.js":27,"./lib/_stream_writable.js":28}],35:[function(require,module,exports){var buffer=require("buffer");var Buffer=buffer.Buffer;function copyProps(src,dst){for(var key in src){dst[key]=src[key]}}if(Buffer.from&&Buffer.alloc&&Buffer.allocUnsafe&&Buffer.allocUnsafeSlow){module.exports=buffer}else{copyProps(buffer,exports);exports.Buffer=SafeBuffer}function SafeBuffer(arg,encodingOrOffset,length){return Buffer(arg,encodingOrOffset,length)}SafeBuffer.prototype=Object.create(Buffer.prototype);copyProps(Buffer,SafeBuffer);SafeBuffer.from=function(arg,encodingOrOffset,length){if(typeof arg==="number"){throw new TypeError("Argument must not be a number")}return Buffer(arg,encodingOrOffset,length)};SafeBuffer.alloc=function(size,fill,encoding){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}var buf=Buffer(size);if(fill!==undefined){if(typeof encoding==="string"){buf.fill(fill,encoding)}else{buf.fill(fill)}}else{buf.fill(0)}return buf};SafeBuffer.allocUnsafe=function(size){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}return Buffer(size)};SafeBuffer.allocUnsafeSlow=function(size){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}return buffer.SlowBuffer(size)}},{buffer:14}],36:[function(require,module,exports){(function(setImmediate,clearImmediate){(function(){var nextTick=require("process/browser.js").nextTick;var apply=Function.prototype.apply;var slice=Array.prototype.slice;var immediateIds={};var nextImmediateId=0;exports.setTimeout=function(){return new Timeout(apply.call(setTimeout,window,arguments),clearTimeout)};exports.setInterval=function(){return new Timeout(apply.call(setInterval,window,arguments),clearInterval)};exports.clearTimeout=exports.clearInterval=function(timeout){timeout.close()};function Timeout(id,clearFn){this._id=id;this._clearFn=clearFn}Timeout.prototype.unref=Timeout.prototype.ref=function(){};Timeout.prototype.close=function(){this._clearFn.call(window,this._id)};exports.enroll=function(item,msecs){clearTimeout(item._idleTimeoutId);item._idleTimeout=msecs};exports.unenroll=function(item){clearTimeout(item._idleTimeoutId);item._idleTimeout=-1};exports._unrefActive=exports.active=function(item){clearTimeout(item._idleTimeoutId);var msecs=item._idleTimeout;if(msecs>=0){item._idleTimeoutId=setTimeout(function onTimeout(){if(item._onTimeout)item._onTimeout()},msecs)}};exports.setImmediate=typeof setImmediate==="function"?setImmediate:function(fn){var id=nextImmediateId++;var args=arguments.length<2?false:slice.call(arguments,1);immediateIds[id]=true;nextTick(function onNextTick(){if(immediateIds[id]){if(args){fn.apply(null,args)}else{fn.call(null)}exports.clearImmediate(id)}});return id};exports.clearImmediate=typeof clearImmediate==="function"?clearImmediate:function(id){delete immediateIds[id]}}).call(this)}).call(this,require("timers").setImmediate,require("timers").clearImmediate)},{"process/browser.js":23,timers:36}],37:[function(require,module,exports){(function(global){(function(){module.exports=deprecate;function deprecate(fn,msg){if(config("noDeprecation")){return fn}var warned=false;function deprecated(){if(!warned){if(config("throwDeprecation")){throw new Error(msg)}else if(config("traceDeprecation")){console.trace(msg)}else{console.warn(msg)}warned=true}return fn.apply(this,arguments)}return deprecated}function config(name){try{if(!global.localStorage)return false}catch(_){return false}var val=global.localStorage[name];if(null==val)return false;return String(val).toLowerCase()==="true"}}).call(this)}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],38:[function(require,module,exports){arguments[4][8][0].apply(exports,arguments)},{dup:8}],39:[function(require,module,exports){arguments[4][9][0].apply(exports,arguments)},{dup:9}],40:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{"./support/isBuffer":39,_process:23,dup:10,inherits:38}]},{},[1])(1)}); \ No newline at end of file +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.msgpack5=f()}})(function(){var define,module,exports;return function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i=0,"must have a non-negative type");assert(decode,"must have a decode function");decodingTypes.set(type,decode);return this}function register(type,constructor,encode,decode){assert(constructor,"must have a constructor");assert(encode,"must have an encode function");assert(type>=0,"must have a non-negative type");assert(decode,"must have a decode function");function check(obj){return obj instanceof constructor}function reEncode(obj){const buf=bl();const header=Buffer.allocUnsafe(1);header.writeInt8(type,0);buf.append(header);buf.append(encode(obj));return buf}this.registerEncoder(check,reEncode);this.registerDecoder(type,decode);return this}return{encode:buildEncode(encodingTypes,options),decode:buildDecode(decodingTypes,options),register:register,registerEncoder:registerEncoder,registerDecoder:registerDecoder,encoder:streams.encoder,decoder:streams.decoder,buffer:true,type:"msgpack5",IncompleteBufferError:IncompleteBufferError}}module.exports=msgpack},{"./lib/codecs/DateCodec":2,"./lib/decoder":3,"./lib/encoder":4,"./lib/helpers.js":5,"./lib/streams":6,assert:8,bl:15,"safe-buffer":53}],2:[function(require,module,exports){(function(Buffer){(function(){const type=-1;function encode(dt){if(dt===null){return}const millis=dt*1;const seconds=Math.floor(millis/1e3);const nanos=(millis-seconds*1e3)*1e6;if(seconds<0||seconds>17179869184){const encoded=Buffer.allocUnsafe(13);encoded[0]=-1;encoded.writeUInt32BE(nanos,1);let hex="";if(seconds>=0){const padhex="0000000000000000";hex=seconds.toString(16);hex=padhex.slice(0,hex.length*-1)+hex}else{let bin=(seconds*-1).toString(2);let i=bin.length-1;while(bin[i]==="0"){i--}bin=bin.slice(0,i).split("").map(function(bit){return bit==="1"?0:1}).join("")+bin.slice(i,bin.length);const pad64="1111111111111111111111111111111111111111111111111111111111111111";bin=pad64.slice(0,bin.length*-1)+bin;bin.match(/.{1,8}/g).forEach(function(byte){byte=parseInt(byte,2).toString(16);if(byte.length===1){byte="0"+byte}hex+=byte})}encoded.write(hex,5,"hex");return encoded}else if(nanos||seconds>4294967295){const encoded=Buffer.allocUnsafe(9);encoded[0]=-1;const upperNanos=nanos*4;const upperSeconds=seconds/Math.pow(2,32);const upper=upperNanos+upperSeconds&4294967295;const lower=seconds&4294967295;encoded.writeInt32BE(upper,1);encoded.writeInt32BE(lower,5);return encoded}else{const encoded=Buffer.allocUnsafe(5);encoded[0]=-1;encoded.writeUInt32BE(Math.floor(millis/1e3),1);return encoded}}function check(obj){return typeof obj.getDate==="function"}function decode(buf){let seconds;let nanoseconds=0;let upper;let lower;let hex;switch(buf.length){case 4:seconds=buf.readUInt32BE(0);break;case 8:upper=buf.readUInt32BE(0);lower=buf.readUInt32BE(4);nanoseconds=upper/4;seconds=(upper&3)*Math.pow(2,32)+lower;break;case 12:hex=buf.toString("hex",4,12);if(parseInt(buf.toString("hex",4,6),16)&128){let bin="";const pad8="00000000";hex.match(/.{1,2}/g).forEach(function(byte){byte=parseInt(byte,16).toString(2);byte=pad8.slice(0,byte.length*-1)+byte;bin+=byte});seconds=-1*parseInt(bin.split("").map(function(bit){return bit==="1"?0:1}).join(""),2)-1}else{seconds=parseInt(hex,16)}nanoseconds=buf.readUInt32BE(0)}const millis=seconds*1e3+Math.round(nanoseconds/1e6);return new Date(millis)}module.exports={check:check,type:type,encode:encode,decode:decode}}).call(this)}).call(this,require("buffer").Buffer)},{buffer:17}],3:[function(require,module,exports){"use strict";const bl=require("bl");const IncompleteBufferError=require("./helpers.js").IncompleteBufferError;const SIZES={196:2,197:3,198:5,199:3,200:4,201:6,202:5,203:9,204:2,205:3,206:5,207:9,208:2,209:3,210:5,211:9,212:3,213:4,214:6,215:10,216:18,217:2,218:3,219:5,222:3,220:3,221:5};function isValidDataSize(dataLength,bufLength,headerLength){return bufLength>=headerLength+dataLength}module.exports=function buildDecode(decodingTypes,options){return decode;function decode(buf){if(!(buf instanceof bl)){buf=bl().append(buf)}const result=tryDecode(buf,0);if(!result)throw new IncompleteBufferError;buf.consume(result[1]);return result[0]}function tryDecode(buf,initialOffset){if(buf.length<=initialOffset)return null;const bufLength=buf.length-initialOffset;let offset=initialOffset;const first=buf.readUInt8(offset);offset+=1;const size=SIZES[first]||-1;if(bufLengthfirst>=start&&first<=end;if(first<128)return[first,1];if((first&240)===128){const length=first&15;const headerSize=offset-initialOffset;return decodeMap(buf,offset,length,headerSize,options)}if((first&240)===144){const length=first&15;const headerSize=offset-initialOffset;return decodeArray(buf,offset,length,headerSize)}if((first&224)===160){const length=first&31;if(!isValidDataSize(length,bufLength,1))return null;const result=buf.toString("utf8",offset,offset+length);return[result,length+1]}if(inRange(192,195))return decodeConstants(first);if(inRange(196,198)){const length=buf.readUIntBE(offset,size-1);offset+=size-1;if(!isValidDataSize(length,bufLength,size))return null;const result=buf.slice(offset,offset+length);return[result,size+length]}if(inRange(199,201)){const length=buf.readUIntBE(offset,size-2);offset+=size-2;const type=buf.readInt8(offset);offset+=1;if(!isValidDataSize(length,bufLength,size))return null;return decodeExt(buf,offset,type,length,size)}if(inRange(202,203))return decodeFloat(buf,offset,size-1);if(inRange(204,207))return decodeUnsignedInt(buf,offset,size-1);if(inRange(208,211))return decodeSigned(buf,offset,size-1);if(inRange(212,216)){const type=buf.readInt8(offset);offset+=1;return decodeExt(buf,offset,type,size-2,2)}if(inRange(217,219)){const length=buf.readUIntBE(offset,size-1);offset+=size-1;if(!isValidDataSize(length,bufLength,size))return null;const result=buf.toString("utf8",offset,offset+length);return[result,size+length]}if(inRange(220,221)){const length=buf.readUIntBE(offset,size-1);offset+=size-1;return decodeArray(buf,offset,length,size)}if(inRange(222,223)){let length;switch(first){case 222:length=buf.readUInt16BE(offset);offset+=2;return decodeMap(buf,offset,length,3,options);case 223:length=buf.readUInt32BE(offset);offset+=4;return decodeMap(buf,offset,length,5,options)}}if(first>=224)return[first-256,1];throw new Error("not implemented yet")}function decodeArray(buf,initialOffset,length,headerLength){let offset=initialOffset;const result=[];let i=0;while(i++=offset;i--){const v=(buf[i]^255)+carry;buf[i]=v&255;carry=v>>8}}const hi=buf.readUInt32BE(offset+0);const lo=buf.readUInt32BE(offset+4);return(hi*4294967296+lo)*(negate?-1:+1)}function decodeUnsignedInt(buf,offset,size){const maxOffset=offset+size;let result=0;while(offset{acc.push(encode(item))});if(acc.length!==array.length+1){throw new Error("Sparse arrays are not encodable in msgpack")}return bl(acc)}function encodeMap(map,options,encode){const acc=[getHeader(map.size,128,222)];const keys=[...map.keys()];if(!options.preferMap){if(keys.every(item=>typeof item==="string")){console.warn("Map with string only keys will be deserialized as an object!")}}keys.forEach(key=>{acc.push(encode(key),encode(map.get(key)))});return bl(acc)}function encodeObject(obj,options,encode){const keys=[];for(const key in obj){if(Object.prototype.hasOwnProperty.call(obj,key)&&obj[key]!==undefined&&typeof obj[key]!=="function"){keys.push(key)}}const acc=[getHeader(keys.length,128,222)];if(options.sortKeys)keys.sort();keys.forEach(key=>{acc.push(encode(key),encode(obj[key]))});return bl(acc)}function write64BitUint(buf,offset,num){const lo=num%4294967296;const hi=Math.floor(num/4294967296);buf.writeUInt32BE(hi,offset+0);buf.writeUInt32BE(lo,offset+4)}function write64BitInt(buf,offset,num){const negate=num<0;num=Math.abs(num);write64BitUint(buf,offset,num);if(negate)negate64BitInt(buf,offset)}function negate64BitInt(buf,offset){let i=offset+8;while(i-- >offset){if(buf[i]===0)continue;buf[i]=(buf[i]^255)+1;break}while(i-- >offset){buf[i]=buf[i]^255}}const fround=Math.fround;function encodeFloat(obj,forceFloat64){let buf;if(forceFloat64||!fround||!Object.is(fround(obj),obj)){buf=Buffer.allocUnsafe(9);buf[0]=203;buf.writeDoubleBE(obj,1)}else{buf=Buffer.allocUnsafe(5);buf[0]=202;buf.writeFloatBE(obj,1)}return buf}function encodeExt(obj,encodingTypes){const codec=encodingTypes.find(codec=>codec.check(obj));if(!codec)return null;const encoded=codec.encode(obj);if(!encoded)return null;return bl([getExtHeader(encoded.length-1),encoded])}function getExtHeader(length){if(length===1)return Buffer.from([212]);if(length===2)return Buffer.from([213]);if(length===4)return Buffer.from([214]);if(length===8)return Buffer.from([215]);if(length===16)return Buffer.from([216]);if(length<256)return Buffer.from([199,length]);if(length<65536)return Buffer.from([200,length>>8,length&255]);return Buffer.from([201,length>>24,length>>16&255,length>>8&255,length&255])}function getHeader(length,tag1,tag2){if(length<16)return Buffer.from([tag1|length]);const size=length<65536?2:4;const buf=Buffer.allocUnsafe(1+size);buf[0]=length<65536?tag2:tag2+1;buf.writeUIntBE(length,1,size);return buf}function encodeString(obj,options){const len=Buffer.byteLength(obj);let buf;if(len<32){buf=Buffer.allocUnsafe(1+len);buf[0]=160|len;if(len>0){buf.write(obj,1)}}else if(len<=255&&!options.compatibilityMode){buf=Buffer.allocUnsafe(2+len);buf[0]=217;buf[1]=len;buf.write(obj,2)}else if(len<=65535){buf=Buffer.allocUnsafe(3+len);buf[0]=218;buf.writeUInt16BE(len,1);buf.write(obj,3)}else{buf=Buffer.allocUnsafe(5+len);buf[0]=219;buf.writeUInt32BE(len,1);buf.write(obj,5)}return buf}function getBufferHeader(length){let header;if(length<=255){header=Buffer.allocUnsafe(2);header[0]=196;header[1]=length}else if(length<=65535){header=Buffer.allocUnsafe(3);header[0]=197;header.writeUInt16BE(length,1)}else{header=Buffer.allocUnsafe(5);header[0]=198;header.writeUInt32BE(length,1)}return header}function encodeNumber(obj,options){let buf;if(isFloat(obj))return encodeFloat(obj,options.forceFloat64);if(Math.abs(obj)>9007199254740991){return encodeFloat(obj,true)}if(obj>=0){if(obj<128){return Buffer.from([obj])}else if(obj<256){return Buffer.from([204,obj])}else if(obj<65536){return Buffer.from([205,255&obj>>8,255&obj])}else if(obj<=4294967295){return Buffer.from([206,255&obj>>24,255&obj>>16,255&obj>>8,255&obj])}else if(obj<=9007199254740991){buf=Buffer.allocUnsafe(9);buf[0]=207;write64BitUint(buf,1,obj)}}else{if(obj>=-32){buf=Buffer.allocUnsafe(1);buf[0]=256+obj}else if(obj>=-128){buf=Buffer.allocUnsafe(2);buf[0]=208;buf.writeInt8(obj,1)}else if(obj>=-32768){buf=Buffer.allocUnsafe(3);buf[0]=209;buf.writeInt16BE(obj,1)}else if(obj>-214748365){buf=Buffer.allocUnsafe(5);buf[0]=210;buf.writeInt32BE(obj,1)}else if(obj>=-9007199254740991){buf=Buffer.allocUnsafe(9);buf[0]=211;write64BitInt(buf,1,obj)}}return buf}},{"./helpers.js":5,bl:15,"safe-buffer":53}],5:[function(require,module,exports){"use strict";const util=require("util");exports.IncompleteBufferError=IncompleteBufferError;function IncompleteBufferError(message){Error.call(this);if(Error.captureStackTrace){Error.captureStackTrace(this,this.constructor)}this.name=this.constructor.name;this.message=message||"unable to decode"}util.inherits(IncompleteBufferError,Error);exports.isFloat=function isFloat(n){return n%1!==0}},{util:57}],6:[function(require,module,exports){"use strict";const Transform=require("readable-stream").Transform;const inherits=require("inherits");const bl=require("bl");function Base(opts){opts=opts||{};opts.objectMode=true;opts.highWaterMark=16;Transform.call(this,opts);this._msgpack=opts.msgpack}inherits(Base,Transform);function Encoder(opts){if(!(this instanceof Encoder)){opts=opts||{};opts.msgpack=this;return new Encoder(opts)}Base.call(this,opts);this._wrap="wrap"in opts&&opts.wrap}inherits(Encoder,Base);Encoder.prototype._transform=function(obj,enc,done){let buf=null;try{buf=this._msgpack.encode(this._wrap?obj.value:obj).slice(0)}catch(err){this.emit("error",err);return done()}this.push(buf);done()};function Decoder(opts){if(!(this instanceof Decoder)){opts=opts||{};opts.msgpack=this;return new Decoder(opts)}Base.call(this,opts);this._chunks=bl();this._wrap="wrap"in opts&&opts.wrap}inherits(Decoder,Base);Decoder.prototype._transform=function(buf,enc,done){if(buf){this._chunks.append(buf)}try{let result=this._msgpack.decode(this._chunks);if(this._wrap){result={value:result}}this.push(result)}catch(err){if(err instanceof this._msgpack.IncompleteBufferError){done()}else{this.emit("error",err)}return}if(this._chunks.length>0){this._transform(null,enc,done)}else{done()}};module.exports.decoder=Decoder;module.exports.encoder=Encoder},{bl:15,inherits:30,"readable-stream":52}],7:[function(require,module,exports){module.exports=function(arr,fn,self){if(arr.filter)return arr.filter(fn,self);if(void 0===arr||null===arr)throw new TypeError;if("function"!=typeof fn)throw new TypeError;var ret=[];for(var i=0;i=0){var next_line=out.indexOf("\n",idx+1);out=out.substring(next_line+1)}this.stack=out}}};util.inherits(assert.AssertionError,Error);function truncate(s,n){if(typeof s==="string"){return s.length=0;i--){if(ka[i]!==kb[i])return false}for(i=ka.length-1;i>=0;i--){key=ka[i];if(!_deepEqual(a[key],b[key],strict,actualVisitedObjects))return false}return true}assert.notDeepEqual=function notDeepEqual(actual,expected,message){if(_deepEqual(actual,expected,false)){fail(actual,expected,message,"notDeepEqual",assert.notDeepEqual)}};assert.notDeepStrictEqual=notDeepStrictEqual;function notDeepStrictEqual(actual,expected,message){if(_deepEqual(actual,expected,true)){fail(actual,expected,message,"notDeepStrictEqual",notDeepStrictEqual)}}assert.strictEqual=function strictEqual(actual,expected,message){if(actual!==expected){fail(actual,expected,message,"===",assert.strictEqual)}};assert.notStrictEqual=function notStrictEqual(actual,expected,message){if(actual===expected){fail(actual,expected,message,"!==",assert.notStrictEqual)}};function expectedException(actual,expected){if(!actual||!expected){return false}if(Object.prototype.toString.call(expected)=="[object RegExp]"){return expected.test(actual)}try{if(actual instanceof expected){return true}}catch(e){}if(Error.isPrototypeOf(expected)){return false}return expected.call({},actual)===true}function _tryBlock(block){var error;try{block()}catch(e){error=e}return error}function _throws(shouldThrow,block,expected,message){var actual;if(typeof block!=="function"){throw new TypeError('"block" argument must be a function')}if(typeof expected==="string"){message=expected;expected=null}actual=_tryBlock(block);message=(expected&&expected.name?" ("+expected.name+").":".")+(message?" "+message:".");if(shouldThrow&&!actual){fail(actual,expected,"Missing expected exception"+message)}var userProvidedMessage=typeof message==="string";var isUnwantedException=!shouldThrow&&util.isError(actual);var isUnexpectedException=!shouldThrow&&actual&&!expected;if(isUnwantedException&&userProvidedMessage&&expectedException(actual,expected)||isUnexpectedException){fail(actual,expected,"Got unwanted exception"+message)}if(shouldThrow&&actual&&expected&&!expectedException(actual,expected)||!shouldThrow&&actual){throw actual}}assert.throws=function(block,error,message){_throws(true,block,error,message)};assert.doesNotThrow=function(block,error,message){_throws(false,block,error,message)};assert.ifError=function(err){if(err)throw err};function strict(value,message){if(!value)fail(value,true,message,"==",strict)}assert.strict=objectAssign(strict,assert,{equal:assert.strictEqual,deepEqual:assert.deepStrictEqual,notEqual:assert.notStrictEqual,notDeepEqual:assert.notDeepStrictEqual});assert.strict.strict=assert.strict;var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj){if(hasOwn.call(obj,key))keys.push(key)}return keys}}).call(this)}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"object-assign":34,"util/":11}],9:[function(require,module,exports){if(typeof Object.create==="function"){module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:false,writable:true,configurable:true}})}}else{module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype;ctor.prototype=new TempCtor;ctor.prototype.constructor=ctor}}},{}],10:[function(require,module,exports){module.exports=function isBuffer(arg){return arg&&typeof arg==="object"&&typeof arg.copy==="function"&&typeof arg.fill==="function"&&typeof arg.readUInt8==="function"}},{}],11:[function(require,module,exports){(function(process,global){(function(){var formatRegExp=/%[sdj%]/g;exports.format=function(f){if(!isString(f)){var objects=[];for(var i=0;i=len)return x;switch(x){case"%s":return String(args[i++]);case"%d":return Number(args[i++]);case"%j":try{return JSON.stringify(args[i++])}catch(_){return"[Circular]"}default:return x}});for(var x=args[i];i=3)ctx.depth=arguments[2];if(arguments.length>=4)ctx.colors=arguments[3];if(isBoolean(opts)){ctx.showHidden=opts}else if(opts){exports._extend(ctx,opts)}if(isUndefined(ctx.showHidden))ctx.showHidden=false;if(isUndefined(ctx.depth))ctx.depth=2;if(isUndefined(ctx.colors))ctx.colors=false;if(isUndefined(ctx.customInspect))ctx.customInspect=true;if(ctx.colors)ctx.stylize=stylizeWithColor;return formatValue(ctx,obj,ctx.depth)}exports.inspect=inspect;inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]};inspect.styles={special:"cyan",number:"yellow",boolean:"yellow",undefined:"grey",null:"bold",string:"green",date:"magenta",regexp:"red"};function stylizeWithColor(str,styleType){var style=inspect.styles[styleType];if(style){return"["+inspect.colors[style][0]+"m"+str+"["+inspect.colors[style][1]+"m"}else{return str}}function stylizeNoColor(str,styleType){return str}function arrayToHash(array){var hash={};array.forEach(function(val,idx){hash[val]=true});return hash}function formatValue(ctx,value,recurseTimes){if(ctx.customInspect&&value&&isFunction(value.inspect)&&value.inspect!==exports.inspect&&!(value.constructor&&value.constructor.prototype===value)){var ret=value.inspect(recurseTimes,ctx);if(!isString(ret)){ret=formatValue(ctx,ret,recurseTimes)}return ret}var primitive=formatPrimitive(ctx,value);if(primitive){return primitive}var keys=Object.keys(value);var visibleKeys=arrayToHash(keys);if(ctx.showHidden){keys=Object.getOwnPropertyNames(value)}if(isError(value)&&(keys.indexOf("message")>=0||keys.indexOf("description")>=0)){return formatError(value)}if(keys.length===0){if(isFunction(value)){var name=value.name?": "+value.name:"";return ctx.stylize("[Function"+name+"]","special")}if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}if(isDate(value)){return ctx.stylize(Date.prototype.toString.call(value),"date")}if(isError(value)){return formatError(value)}}var base="",array=false,braces=["{","}"];if(isArray(value)){array=true;braces=["[","]"]}if(isFunction(value)){var n=value.name?": "+value.name:"";base=" [Function"+n+"]"}if(isRegExp(value)){base=" "+RegExp.prototype.toString.call(value)}if(isDate(value)){base=" "+Date.prototype.toUTCString.call(value)}if(isError(value)){base=" "+formatError(value)}if(keys.length===0&&(!array||value.length==0)){return braces[0]+base+braces[1]}if(recurseTimes<0){if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}else{return ctx.stylize("[Object]","special")}}ctx.seen.push(value);var output;if(array){output=formatArray(ctx,value,recurseTimes,visibleKeys,keys)}else{output=keys.map(function(key){return formatProperty(ctx,value,recurseTimes,visibleKeys,key,array)})}ctx.seen.pop();return reduceToSingleString(output,base,braces)}function formatPrimitive(ctx,value){if(isUndefined(value))return ctx.stylize("undefined","undefined");if(isString(value)){var simple="'"+JSON.stringify(value).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,'"')+"'";return ctx.stylize(simple,"string")}if(isNumber(value))return ctx.stylize(""+value,"number");if(isBoolean(value))return ctx.stylize(""+value,"boolean");if(isNull(value))return ctx.stylize("null","null")}function formatError(value){return"["+Error.prototype.toString.call(value)+"]"}function formatArray(ctx,value,recurseTimes,visibleKeys,keys){var output=[];for(var i=0,l=value.length;i-1){if(array){str=str.split("\n").map(function(line){return" "+line}).join("\n").substr(2)}else{str="\n"+str.split("\n").map(function(line){return" "+line}).join("\n")}}}else{str=ctx.stylize("[Circular]","special")}}if(isUndefined(name)){if(array&&key.match(/^\d+$/)){return str}name=JSON.stringify(""+key);if(name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)){name=name.substr(1,name.length-2);name=ctx.stylize(name,"name")}else{name=name.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'");name=ctx.stylize(name,"string")}}return name+": "+str}function reduceToSingleString(output,base,braces){var numLinesEst=0;var length=output.reduce(function(prev,cur){numLinesEst++;if(cur.indexOf("\n")>=0)numLinesEst++;return prev+cur.replace(/\u001b\[\d\d?m/g,"").length+1},0);if(length>60){return braces[0]+(base===""?"":base+"\n ")+" "+output.join(",\n ")+" "+braces[1]}return braces[0]+base+" "+output.join(", ")+" "+braces[1]}function isArray(ar){return Array.isArray(ar)}exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return isObject(re)&&objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return isObject(d)&&objectToString(d)==="[object Date]"}exports.isDate=isDate;function isError(e){return isObject(e)&&(objectToString(e)==="[object Error]"||e instanceof Error)}exports.isError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;exports.isBuffer=require("./support/isBuffer");function objectToString(o){return Object.prototype.toString.call(o)}function pad(n){return n<10?"0"+n.toString(10):n.toString(10)}var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];function timestamp(){var d=new Date;var time=[pad(d.getHours()),pad(d.getMinutes()),pad(d.getSeconds())].join(":");return[d.getDate(),months[d.getMonth()],time].join(" ")}exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))};exports.inherits=require("inherits");exports._extend=function(origin,add){if(!add||!isObject(add))return origin;var keys=Object.keys(add);var i=keys.length;while(i--){origin[keys[i]]=add[keys[i]]}return origin};function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}}).call(this)}).call(this,require("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./support/isBuffer":10,_process:35,inherits:9}],12:[function(require,module,exports){(function(global){(function(){"use strict";var filter=require("array-filter");module.exports=function availableTypedArrays(){return filter(["BigInt64Array","BigUint64Array","Float32Array","Float64Array","Int16Array","Int32Array","Int8Array","Uint16Array","Uint32Array","Uint8Array","Uint8ClampedArray"],function(typedArray){return typeof global[typedArray]==="function"})}}).call(this)}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"array-filter":7}],13:[function(require,module,exports){"use strict";exports.byteLength=byteLength;exports.toByteArray=toByteArray;exports.fromByteArray=fromByteArray;var lookup=[];var revLookup=[];var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var code="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";for(var i=0,len=code.length;i0){throw new Error("Invalid string. Length must be a multiple of 4")}var validLen=b64.indexOf("=");if(validLen===-1)validLen=len;var placeHoldersLen=validLen===len?0:4-validLen%4;return[validLen,placeHoldersLen]}function byteLength(b64){var lens=getLens(b64);var validLen=lens[0];var placeHoldersLen=lens[1];return(validLen+placeHoldersLen)*3/4-placeHoldersLen}function _byteLength(b64,validLen,placeHoldersLen){return(validLen+placeHoldersLen)*3/4-placeHoldersLen}function toByteArray(b64){var tmp;var lens=getLens(b64);var validLen=lens[0];var placeHoldersLen=lens[1];var arr=new Arr(_byteLength(b64,validLen,placeHoldersLen));var curByte=0;var len=placeHoldersLen>0?validLen-4:validLen;var i;for(i=0;i>16&255;arr[curByte++]=tmp>>8&255;arr[curByte++]=tmp&255}if(placeHoldersLen===2){tmp=revLookup[b64.charCodeAt(i)]<<2|revLookup[b64.charCodeAt(i+1)]>>4;arr[curByte++]=tmp&255}if(placeHoldersLen===1){tmp=revLookup[b64.charCodeAt(i)]<<10|revLookup[b64.charCodeAt(i+1)]<<4|revLookup[b64.charCodeAt(i+2)]>>2;arr[curByte++]=tmp>>8&255;arr[curByte++]=tmp&255}return arr}function tripletToBase64(num){return lookup[num>>18&63]+lookup[num>>12&63]+lookup[num>>6&63]+lookup[num&63]}function encodeChunk(uint8,start,end){var tmp;var output=[];for(var i=start;ilen2?len2:i+maxChunkLength))}if(extraBytes===1){tmp=uint8[len-1];parts.push(lookup[tmp>>2]+lookup[tmp<<4&63]+"==")}else if(extraBytes===2){tmp=(uint8[len-2]<<8)+uint8[len-1];parts.push(lookup[tmp>>10]+lookup[tmp>>4&63]+lookup[tmp<<2&63]+"=")}return parts.join("")}},{}],14:[function(require,module,exports){"use strict";const{Buffer:Buffer}=require("buffer");const symbol=Symbol.for("BufferList");function BufferList(buf){if(!(this instanceof BufferList)){return new BufferList(buf)}BufferList._init.call(this,buf)}BufferList._init=function _init(buf){Object.defineProperty(this,symbol,{value:true});this._bufs=[];this.length=0;if(buf){this.append(buf)}};BufferList.prototype._new=function _new(buf){return new BufferList(buf)};BufferList.prototype._offset=function _offset(offset){if(offset===0){return[0,0]}let tot=0;for(let i=0;ithis.length||index<0){return undefined}const offset=this._offset(index);return this._bufs[offset[0]][offset[1]]};BufferList.prototype.slice=function slice(start,end){if(typeof start==="number"&&start<0){start+=this.length}if(typeof end==="number"&&end<0){end+=this.length}return this.copy(null,0,start,end)};BufferList.prototype.copy=function copy(dst,dstStart,srcStart,srcEnd){if(typeof srcStart!=="number"||srcStart<0){srcStart=0}if(typeof srcEnd!=="number"||srcEnd>this.length){srcEnd=this.length}if(srcStart>=this.length){return dst||Buffer.alloc(0)}if(srcEnd<=0){return dst||Buffer.alloc(0)}const copy=!!dst;const off=this._offset(srcStart);const len=srcEnd-srcStart;let bytes=len;let bufoff=copy&&dstStart||0;let start=off[1];if(srcStart===0&&srcEnd===this.length){if(!copy){return this._bufs.length===1?this._bufs[0]:Buffer.concat(this._bufs,this.length)}for(let i=0;il){this._bufs[i].copy(dst,bufoff,start);bufoff+=l}else{this._bufs[i].copy(dst,bufoff,start,start+bytes);bufoff+=l;break}bytes-=l;if(start){start=0}}if(dst.length>bufoff)return dst.slice(0,bufoff);return dst};BufferList.prototype.shallowSlice=function shallowSlice(start,end){start=start||0;end=typeof end!=="number"?this.length:end;if(start<0){start+=this.length}if(end<0){end+=this.length}if(start===end){return this._new()}const startOffset=this._offset(start);const endOffset=this._offset(end);const buffers=this._bufs.slice(startOffset[0],endOffset[0]+1);if(endOffset[1]===0){buffers.pop()}else{buffers[buffers.length-1]=buffers[buffers.length-1].slice(0,endOffset[1])}if(startOffset[1]!==0){buffers[0]=buffers[0].slice(startOffset[1])}return this._new(buffers)};BufferList.prototype.toString=function toString(encoding,start,end){return this.slice(start,end).toString(encoding)};BufferList.prototype.consume=function consume(bytes){bytes=Math.trunc(bytes);if(Number.isNaN(bytes)||bytes<=0)return this;while(this._bufs.length){if(bytes>=this._bufs[0].length){bytes-=this._bufs[0].length;this.length-=this._bufs[0].length;this._bufs.shift()}else{this._bufs[0]=this._bufs[0].slice(bytes);this.length-=bytes;break}}return this};BufferList.prototype.duplicate=function duplicate(){const copy=this._new();for(let i=0;ithis.length?this.length:offset}const blOffset=this._offset(offset);let blIndex=blOffset[0];let buffOffset=blOffset[1];for(;blIndex=search.length){const nativeSearchResult=buff.indexOf(search,buffOffset);if(nativeSearchResult!==-1){return this._reverseOffset([blIndex,nativeSearchResult])}buffOffset=buff.length-search.length+1}else{const revOffset=this._reverseOffset([blIndex,buffOffset]);if(this._match(revOffset,search)){return revOffset}buffOffset++}}buffOffset=0}return-1};BufferList.prototype._match=function(offset,search){if(this.length-offsetK_MAX_LENGTH){throw new RangeError('The value "'+length+'" is invalid for option "size"')}var buf=new Uint8Array(length);buf.__proto__=Buffer.prototype;return buf}function Buffer(arg,encodingOrOffset,length){if(typeof arg==="number"){if(typeof encodingOrOffset==="string"){throw new TypeError('The "string" argument must be of type string. Received type number')}return allocUnsafe(arg)}return from(arg,encodingOrOffset,length)}if(typeof Symbol!=="undefined"&&Symbol.species!=null&&Buffer[Symbol.species]===Buffer){Object.defineProperty(Buffer,Symbol.species,{value:null,configurable:true,enumerable:false,writable:false})}Buffer.poolSize=8192;function from(value,encodingOrOffset,length){if(typeof value==="string"){return fromString(value,encodingOrOffset)}if(ArrayBuffer.isView(value)){return fromArrayLike(value)}if(value==null){throw TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, "+"or Array-like Object. Received type "+typeof value)}if(isInstance(value,ArrayBuffer)||value&&isInstance(value.buffer,ArrayBuffer)){return fromArrayBuffer(value,encodingOrOffset,length)}if(typeof value==="number"){throw new TypeError('The "value" argument must not be of type number. Received type number')}var valueOf=value.valueOf&&value.valueOf();if(valueOf!=null&&valueOf!==value){return Buffer.from(valueOf,encodingOrOffset,length)}var b=fromObject(value);if(b)return b;if(typeof Symbol!=="undefined"&&Symbol.toPrimitive!=null&&typeof value[Symbol.toPrimitive]==="function"){return Buffer.from(value[Symbol.toPrimitive]("string"),encodingOrOffset,length)}throw new TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, "+"or Array-like Object. Received type "+typeof value)}Buffer.from=function(value,encodingOrOffset,length){return from(value,encodingOrOffset,length)};Buffer.prototype.__proto__=Uint8Array.prototype;Buffer.__proto__=Uint8Array;function assertSize(size){if(typeof size!=="number"){throw new TypeError('"size" argument must be of type number')}else if(size<0){throw new RangeError('The value "'+size+'" is invalid for option "size"')}}function alloc(size,fill,encoding){assertSize(size);if(size<=0){return createBuffer(size)}if(fill!==undefined){return typeof encoding==="string"?createBuffer(size).fill(fill,encoding):createBuffer(size).fill(fill)}return createBuffer(size)}Buffer.alloc=function(size,fill,encoding){return alloc(size,fill,encoding)};function allocUnsafe(size){assertSize(size);return createBuffer(size<0?0:checked(size)|0)}Buffer.allocUnsafe=function(size){return allocUnsafe(size)};Buffer.allocUnsafeSlow=function(size){return allocUnsafe(size)};function fromString(string,encoding){if(typeof encoding!=="string"||encoding===""){encoding="utf8"}if(!Buffer.isEncoding(encoding)){throw new TypeError("Unknown encoding: "+encoding)}var length=byteLength(string,encoding)|0;var buf=createBuffer(length);var actual=buf.write(string,encoding);if(actual!==length){buf=buf.slice(0,actual)}return buf}function fromArrayLike(array){var length=array.length<0?0:checked(array.length)|0;var buf=createBuffer(length);for(var i=0;i=K_MAX_LENGTH){throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+K_MAX_LENGTH.toString(16)+" bytes")}return length|0}function SlowBuffer(length){if(+length!=length){length=0}return Buffer.alloc(+length)}Buffer.isBuffer=function isBuffer(b){return b!=null&&b._isBuffer===true&&b!==Buffer.prototype};Buffer.compare=function compare(a,b){if(isInstance(a,Uint8Array))a=Buffer.from(a,a.offset,a.byteLength);if(isInstance(b,Uint8Array))b=Buffer.from(b,b.offset,b.byteLength);if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b)){throw new TypeError('The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array')}if(a===b)return 0;var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i2&&arguments[2]===true;if(!mustMatch&&len===0)return 0;var loweredCase=false;for(;;){switch(encoding){case"ascii":case"latin1":case"binary":return len;case"utf8":case"utf-8":return utf8ToBytes(string).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return len*2;case"hex":return len>>>1;case"base64":return base64ToBytes(string).length;default:if(loweredCase){return mustMatch?-1:utf8ToBytes(string).length}encoding=(""+encoding).toLowerCase();loweredCase=true}}}Buffer.byteLength=byteLength;function slowToString(encoding,start,end){var loweredCase=false;if(start===undefined||start<0){start=0}if(start>this.length){return""}if(end===undefined||end>this.length){end=this.length}if(end<=0){return""}end>>>=0;start>>>=0;if(end<=start){return""}if(!encoding)encoding="utf8";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"latin1":case"binary":return latin1Slice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}}Buffer.prototype._isBuffer=true;function swap(b,n,m){var i=b[n];b[n]=b[m];b[m]=i}Buffer.prototype.swap16=function swap16(){var len=this.length;if(len%2!==0){throw new RangeError("Buffer size must be a multiple of 16-bits")}for(var i=0;imax)str+=" ... ";return""};Buffer.prototype.compare=function compare(target,start,end,thisStart,thisEnd){if(isInstance(target,Uint8Array)){target=Buffer.from(target,target.offset,target.byteLength)}if(!Buffer.isBuffer(target)){throw new TypeError('The "target" argument must be one of type Buffer or Uint8Array. '+"Received type "+typeof target)}if(start===undefined){start=0}if(end===undefined){end=target?target.length:0}if(thisStart===undefined){thisStart=0}if(thisEnd===undefined){thisEnd=this.length}if(start<0||end>target.length||thisStart<0||thisEnd>this.length){throw new RangeError("out of range index")}if(thisStart>=thisEnd&&start>=end){return 0}if(thisStart>=thisEnd){return-1}if(start>=end){return 1}start>>>=0;end>>>=0;thisStart>>>=0;thisEnd>>>=0;if(this===target)return 0;var x=thisEnd-thisStart;var y=end-start;var len=Math.min(x,y);var thisCopy=this.slice(thisStart,thisEnd);var targetCopy=target.slice(start,end);for(var i=0;i2147483647){byteOffset=2147483647}else if(byteOffset<-2147483648){byteOffset=-2147483648}byteOffset=+byteOffset;if(numberIsNaN(byteOffset)){byteOffset=dir?0:buffer.length-1}if(byteOffset<0)byteOffset=buffer.length+byteOffset;if(byteOffset>=buffer.length){if(dir)return-1;else byteOffset=buffer.length-1}else if(byteOffset<0){if(dir)byteOffset=0;else return-1}if(typeof val==="string"){val=Buffer.from(val,encoding)}if(Buffer.isBuffer(val)){if(val.length===0){return-1}return arrayIndexOf(buffer,val,byteOffset,encoding,dir)}else if(typeof val==="number"){val=val&255;if(typeof Uint8Array.prototype.indexOf==="function"){if(dir){return Uint8Array.prototype.indexOf.call(buffer,val,byteOffset)}else{return Uint8Array.prototype.lastIndexOf.call(buffer,val,byteOffset)}}return arrayIndexOf(buffer,[val],byteOffset,encoding,dir)}throw new TypeError("val must be string, number or Buffer")}function arrayIndexOf(arr,val,byteOffset,encoding,dir){var indexSize=1;var arrLength=arr.length;var valLength=val.length;if(encoding!==undefined){encoding=String(encoding).toLowerCase();if(encoding==="ucs2"||encoding==="ucs-2"||encoding==="utf16le"||encoding==="utf-16le"){if(arr.length<2||val.length<2){return-1}indexSize=2;arrLength/=2;valLength/=2;byteOffset/=2}}function read(buf,i){if(indexSize===1){return buf[i]}else{return buf.readUInt16BE(i*indexSize)}}var i;if(dir){var foundIndex=-1;for(i=byteOffset;iarrLength)byteOffset=arrLength-valLength;for(i=byteOffset;i>=0;i--){var found=true;for(var j=0;jremaining){length=remaining}}var strLen=string.length;if(length>strLen/2){length=strLen/2}for(var i=0;i>>0;if(isFinite(length)){length=length>>>0;if(encoding===undefined)encoding="utf8"}else{encoding=length;length=undefined}}else{throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported")}var remaining=this.length-offset;if(length===undefined||length>remaining)length=remaining;if(string.length>0&&(length<0||offset<0)||offset>this.length){throw new RangeError("Attempt to write outside buffer bounds")}if(!encoding)encoding="utf8";var loweredCase=false;for(;;){switch(encoding){case"hex":return hexWrite(this,string,offset,length);case"utf8":case"utf-8":return utf8Write(this,string,offset,length);case"ascii":return asciiWrite(this,string,offset,length);case"latin1":case"binary":return latin1Write(this,string,offset,length);case"base64":return base64Write(this,string,offset,length);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,string,offset,length);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(""+encoding).toLowerCase();loweredCase=true}}};Buffer.prototype.toJSON=function toJSON(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){end=Math.min(buf.length,end);var res=[];var i=start;while(i239?4:firstByte>223?3:firstByte>191?2:1;if(i+bytesPerSequence<=end){var secondByte,thirdByte,fourthByte,tempCodePoint;switch(bytesPerSequence){case 1:if(firstByte<128){codePoint=firstByte}break;case 2:secondByte=buf[i+1];if((secondByte&192)===128){tempCodePoint=(firstByte&31)<<6|secondByte&63;if(tempCodePoint>127){codePoint=tempCodePoint}}break;case 3:secondByte=buf[i+1];thirdByte=buf[i+2];if((secondByte&192)===128&&(thirdByte&192)===128){tempCodePoint=(firstByte&15)<<12|(secondByte&63)<<6|thirdByte&63;if(tempCodePoint>2047&&(tempCodePoint<55296||tempCodePoint>57343)){codePoint=tempCodePoint}}break;case 4:secondByte=buf[i+1];thirdByte=buf[i+2];fourthByte=buf[i+3];if((secondByte&192)===128&&(thirdByte&192)===128&&(fourthByte&192)===128){tempCodePoint=(firstByte&15)<<18|(secondByte&63)<<12|(thirdByte&63)<<6|fourthByte&63;if(tempCodePoint>65535&&tempCodePoint<1114112){codePoint=tempCodePoint}}}}if(codePoint===null){codePoint=65533;bytesPerSequence=1}else if(codePoint>65535){codePoint-=65536;res.push(codePoint>>>10&1023|55296);codePoint=56320|codePoint&1023}res.push(codePoint);i+=bytesPerSequence}return decodeCodePointsArray(res)}var MAX_ARGUMENTS_LENGTH=4096;function decodeCodePointsArray(codePoints){var len=codePoints.length;if(len<=MAX_ARGUMENTS_LENGTH){return String.fromCharCode.apply(String,codePoints)}var res="";var i=0;while(ilen)end=len;var out="";for(var i=start;ilen){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(endlength)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function readUIntLE(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i>>0;byteLength=byteLength>>>0;if(!noAssert){checkOffset(offset,byteLength,this.length)}var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256)){val+=this[offset+--byteLength]*mul}return val};Buffer.prototype.readUInt8=function readUInt8(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function readUInt16LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function readUInt16BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function readUInt32LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function readUInt32BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function readIntLE(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function readIntBE(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256)){val+=this[offset+--i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function readInt8(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function readInt16LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function readInt16BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function readInt32LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function readInt32BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function readFloatLE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function readFloatBE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function readDoubleLE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function readDoubleBE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError('"buffer" argument must be a Buffer instance');if(value>max||valuebuf.length)throw new RangeError("Index out of range")}Buffer.prototype.writeUIntLE=function writeUIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var mul=1;var i=0;this[offset]=value&255;while(++i>>0;byteLength=byteLength>>>0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUInt8=function writeUInt8(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,255,0);this[offset]=value&255;return offset+1};Buffer.prototype.writeUInt16LE=function writeUInt16LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);this[offset]=value&255;this[offset+1]=value>>>8;return offset+2};Buffer.prototype.writeUInt16BE=function writeUInt16BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);this[offset]=value>>>8;this[offset+1]=value&255;return offset+2};Buffer.prototype.writeUInt32LE=function writeUInt32LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value&255;return offset+4};Buffer.prototype.writeUInt32BE=function writeUInt32BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255;return offset+4};Buffer.prototype.writeIntLE=function writeIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0;var mul=1;var sub=0;this[offset]=value&255;while(++i>0)-sub&255}return offset+byteLength};Buffer.prototype.writeIntBE=function writeIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1;var mul=1;var sub=0;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){if(value<0&&sub===0&&this[offset+i+1]!==0){sub=1}this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeInt8=function writeInt8(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(value<0)value=255+value+1;this[offset]=value&255;return offset+1};Buffer.prototype.writeInt16LE=function writeInt16LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);this[offset]=value&255;this[offset+1]=value>>>8;return offset+2};Buffer.prototype.writeInt16BE=function writeInt16BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);this[offset]=value>>>8;this[offset+1]=value&255;return offset+2};Buffer.prototype.writeInt32LE=function writeInt32LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);this[offset]=value&255;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24;return offset+4};Buffer.prototype.writeInt32BE=function writeInt32BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255;return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(offset+ext>buf.length)throw new RangeError("Index out of range");if(offset<0)throw new RangeError("Index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkIEEE754(buf,value,offset,4,34028234663852886e22,-34028234663852886e22)}ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function writeFloatLE(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function writeFloatBE(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkIEEE754(buf,value,offset,8,17976931348623157e292,-17976931348623157e292)}ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function writeDoubleLE(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function writeDoubleBE(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function copy(target,targetStart,start,end){if(!Buffer.isBuffer(target))throw new TypeError("argument should be a Buffer");if(!start)start=0;if(!end&&end!==0)end=this.length;if(targetStart>=target.length)targetStart=target.length;if(!targetStart)targetStart=0;if(end>0&&end=this.length)throw new RangeError("Index out of range");if(end<0)throw new RangeError("sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-targetStart=0;--i){target[i+targetStart]=this[i+start]}}else{Uint8Array.prototype.set.call(target,this.subarray(start,end),targetStart)}return len};Buffer.prototype.fill=function fill(val,start,end,encoding){if(typeof val==="string"){if(typeof start==="string"){encoding=start;start=0;end=this.length}else if(typeof end==="string"){encoding=end;end=this.length}if(encoding!==undefined&&typeof encoding!=="string"){throw new TypeError("encoding must be a string")}if(typeof encoding==="string"&&!Buffer.isEncoding(encoding)){throw new TypeError("Unknown encoding: "+encoding)}if(val.length===1){var code=val.charCodeAt(0);if(encoding==="utf8"&&code<128||encoding==="latin1"){val=code}}}else if(typeof val==="number"){val=val&255}if(start<0||this.length>>0;end=end===undefined?this.length:end>>>0;if(!val)val=0;var i;if(typeof val==="number"){for(i=start;i55295&&codePoint<57344){if(!leadSurrogate){if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}leadSurrogate=codePoint;continue}if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}codePoint=(leadSurrogate-55296<<10|codePoint-56320)+65536}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189)}leadSurrogate=null;if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<1114112){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length){for(var i=0;i=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function isInstance(obj,type){return obj instanceof type||obj!=null&&obj.constructor!=null&&obj.constructor.name!=null&&obj.constructor.name===type.name}function numberIsNaN(obj){return obj!==obj}}).call(this)}).call(this,require("buffer").Buffer)},{"base64-js":13,buffer:17,ieee754:29}],18:[function(require,module,exports){"use strict";var GetIntrinsic=require("get-intrinsic");var callBind=require("./");var $indexOf=callBind(GetIntrinsic("String.prototype.indexOf"));module.exports=function callBoundIntrinsic(name,allowMissing){var intrinsic=GetIntrinsic(name,!!allowMissing);if(typeof intrinsic==="function"&&$indexOf(name,".prototype.")>-1){return callBind(intrinsic)}return intrinsic}},{"./":19,"get-intrinsic":25}],19:[function(require,module,exports){"use strict";var bind=require("function-bind");var GetIntrinsic=require("get-intrinsic");var $apply=GetIntrinsic("%Function.prototype.apply%");var $call=GetIntrinsic("%Function.prototype.call%");var $reflectApply=GetIntrinsic("%Reflect.apply%",true)||bind.call($call,$apply);var $gOPD=GetIntrinsic("%Object.getOwnPropertyDescriptor%",true);var $defineProperty=GetIntrinsic("%Object.defineProperty%",true);var $max=GetIntrinsic("%Math.max%");if($defineProperty){try{$defineProperty({},"a",{value:1})}catch(e){$defineProperty=null}}module.exports=function callBind(originalFunction){var func=$reflectApply(bind,$call,arguments);if($gOPD&&$defineProperty){var desc=$gOPD(func,"length");if(desc.configurable){$defineProperty(func,"length",{value:1+$max(0,originalFunction.length-(arguments.length-1))})}}return func};var applyBind=function applyBind(){return $reflectApply(bind,$apply,arguments)};if($defineProperty){$defineProperty(module.exports,"apply",{value:applyBind})}else{module.exports.apply=applyBind}},{"function-bind":24,"get-intrinsic":25}],20:[function(require,module,exports){"use strict";var GetIntrinsic=require("get-intrinsic");var $gOPD=GetIntrinsic("%Object.getOwnPropertyDescriptor%");if($gOPD){try{$gOPD([],"length")}catch(e){$gOPD=null}}module.exports=$gOPD},{"get-intrinsic":25}],21:[function(require,module,exports){"use strict";var R=typeof Reflect==="object"?Reflect:null;var ReflectApply=R&&typeof R.apply==="function"?R.apply:function ReflectApply(target,receiver,args){return Function.prototype.apply.call(target,receiver,args)};var ReflectOwnKeys;if(R&&typeof R.ownKeys==="function"){ReflectOwnKeys=R.ownKeys}else if(Object.getOwnPropertySymbols){ReflectOwnKeys=function ReflectOwnKeys(target){return Object.getOwnPropertyNames(target).concat(Object.getOwnPropertySymbols(target))}}else{ReflectOwnKeys=function ReflectOwnKeys(target){return Object.getOwnPropertyNames(target)}}function ProcessEmitWarning(warning){if(console&&console.warn)console.warn(warning)}var NumberIsNaN=Number.isNaN||function NumberIsNaN(value){return value!==value};function EventEmitter(){EventEmitter.init.call(this)}module.exports=EventEmitter;module.exports.once=once;EventEmitter.EventEmitter=EventEmitter;EventEmitter.prototype._events=undefined;EventEmitter.prototype._eventsCount=0;EventEmitter.prototype._maxListeners=undefined;var defaultMaxListeners=10;function checkListener(listener){if(typeof listener!=="function"){throw new TypeError('The "listener" argument must be of type Function. Received type '+typeof listener)}}Object.defineProperty(EventEmitter,"defaultMaxListeners",{enumerable:true,get:function(){return defaultMaxListeners},set:function(arg){if(typeof arg!=="number"||arg<0||NumberIsNaN(arg)){throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received '+arg+".")}defaultMaxListeners=arg}});EventEmitter.init=function(){if(this._events===undefined||this._events===Object.getPrototypeOf(this)._events){this._events=Object.create(null);this._eventsCount=0}this._maxListeners=this._maxListeners||undefined};EventEmitter.prototype.setMaxListeners=function setMaxListeners(n){if(typeof n!=="number"||n<0||NumberIsNaN(n)){throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received '+n+".")}this._maxListeners=n;return this};function _getMaxListeners(that){if(that._maxListeners===undefined)return EventEmitter.defaultMaxListeners;return that._maxListeners}EventEmitter.prototype.getMaxListeners=function getMaxListeners(){return _getMaxListeners(this)};EventEmitter.prototype.emit=function emit(type){var args=[];for(var i=1;i0)er=args[0];if(er instanceof Error){throw er}var err=new Error("Unhandled error."+(er?" ("+er.message+")":""));err.context=er;throw err}var handler=events[type];if(handler===undefined)return false;if(typeof handler==="function"){ReflectApply(handler,this,args)}else{var len=handler.length;var listeners=arrayClone(handler,len);for(var i=0;i0&&existing.length>m&&!existing.warned){existing.warned=true;var w=new Error("Possible EventEmitter memory leak detected. "+existing.length+" "+String(type)+" listeners "+"added. Use emitter.setMaxListeners() to "+"increase limit");w.name="MaxListenersExceededWarning";w.emitter=target;w.type=type;w.count=existing.length;ProcessEmitWarning(w)}}return target}EventEmitter.prototype.addListener=function addListener(type,listener){return _addListener(this,type,listener,false)};EventEmitter.prototype.on=EventEmitter.prototype.addListener;EventEmitter.prototype.prependListener=function prependListener(type,listener){return _addListener(this,type,listener,true)};function onceWrapper(){if(!this.fired){this.target.removeListener(this.type,this.wrapFn);this.fired=true;if(arguments.length===0)return this.listener.call(this.target);return this.listener.apply(this.target,arguments)}}function _onceWrap(target,type,listener){var state={fired:false,wrapFn:undefined,target:target,type:type,listener:listener};var wrapped=onceWrapper.bind(state);wrapped.listener=listener;state.wrapFn=wrapped;return wrapped}EventEmitter.prototype.once=function once(type,listener){checkListener(listener);this.on(type,_onceWrap(this,type,listener));return this};EventEmitter.prototype.prependOnceListener=function prependOnceListener(type,listener){checkListener(listener);this.prependListener(type,_onceWrap(this,type,listener));return this};EventEmitter.prototype.removeListener=function removeListener(type,listener){var list,events,position,i,originalListener;checkListener(listener);events=this._events;if(events===undefined)return this;list=events[type];if(list===undefined)return this;if(list===listener||list.listener===listener){if(--this._eventsCount===0)this._events=Object.create(null);else{delete events[type];if(events.removeListener)this.emit("removeListener",type,list.listener||listener)}}else if(typeof list!=="function"){position=-1;for(i=list.length-1;i>=0;i--){if(list[i]===listener||list[i].listener===listener){originalListener=list[i].listener;position=i;break}}if(position<0)return this;if(position===0)list.shift();else{spliceOne(list,position)}if(list.length===1)events[type]=list[0];if(events.removeListener!==undefined)this.emit("removeListener",type,originalListener||listener)}return this};EventEmitter.prototype.off=EventEmitter.prototype.removeListener;EventEmitter.prototype.removeAllListeners=function removeAllListeners(type){var listeners,events,i;events=this._events;if(events===undefined)return this;if(events.removeListener===undefined){if(arguments.length===0){this._events=Object.create(null);this._eventsCount=0}else if(events[type]!==undefined){if(--this._eventsCount===0)this._events=Object.create(null);else delete events[type]}return this}if(arguments.length===0){var keys=Object.keys(events);var key;for(i=0;i=0;i--){this.removeListener(type,listeners[i])}}return this};function _listeners(target,type,unwrap){var events=target._events;if(events===undefined)return[];var evlistener=events[type];if(evlistener===undefined)return[];if(typeof evlistener==="function")return unwrap?[evlistener.listener||evlistener]:[evlistener];return unwrap?unwrapListeners(evlistener):arrayClone(evlistener,evlistener.length)}EventEmitter.prototype.listeners=function listeners(type){return _listeners(this,type,true)};EventEmitter.prototype.rawListeners=function rawListeners(type){return _listeners(this,type,false)};EventEmitter.listenerCount=function(emitter,type){if(typeof emitter.listenerCount==="function"){return emitter.listenerCount(type)}else{return listenerCount.call(emitter,type)}};EventEmitter.prototype.listenerCount=listenerCount;function listenerCount(type){var events=this._events;if(events!==undefined){var evlistener=events[type];if(typeof evlistener==="function"){return 1}else if(evlistener!==undefined){return evlistener.length}}return 0}EventEmitter.prototype.eventNames=function eventNames(){return this._eventsCount>0?ReflectOwnKeys(this._events):[]};function arrayClone(arr,n){var copy=new Array(n);for(var i=0;i1&&typeof allowMissing!=="boolean"){throw new $TypeError('"allowMissing" argument must be a boolean')}var parts=stringToPath(name);var intrinsicBaseName=parts.length>0?parts[0]:"";var intrinsic=getBaseIntrinsic("%"+intrinsicBaseName+"%",allowMissing);var intrinsicRealName=intrinsic.name;var value=intrinsic.value;var skipFurtherCaching=false;var alias=intrinsic.alias;if(alias){intrinsicBaseName=alias[0];$spliceApply(parts,$concat([0,1],alias))}for(var i=1,isOwn=true;i=parts.length){var desc=$gOPD(value,part);isOwn=!!desc;if(isOwn&&"get"in desc&&!("originalValue"in desc.get)){value=desc.get}else{value=value[part]}}else{isOwn=hasOwn(value,part);value=value[part]}if(isOwn&&!skipFurtherCaching){INTRINSICS[intrinsicRealName]=value}}}return value}},{"function-bind":24,has:28,"has-symbols":26}],26:[function(require,module,exports){"use strict";var origSymbol=typeof Symbol!=="undefined"&&Symbol;var hasSymbolSham=require("./shams");module.exports=function hasNativeSymbols(){if(typeof origSymbol!=="function"){return false}if(typeof Symbol!=="function"){return false}if(typeof origSymbol("foo")!=="symbol"){return false}if(typeof Symbol("bar")!=="symbol"){return false}return hasSymbolSham()}},{"./shams":27}],27:[function(require,module,exports){"use strict";module.exports=function hasSymbols(){if(typeof Symbol!=="function"||typeof Object.getOwnPropertySymbols!=="function"){return false}if(typeof Symbol.iterator==="symbol"){return true}var obj={};var sym=Symbol("test");var symObj=Object(sym);if(typeof sym==="string"){return false}if(Object.prototype.toString.call(sym)!=="[object Symbol]"){return false}if(Object.prototype.toString.call(symObj)!=="[object Symbol]"){return false}var symVal=42;obj[sym]=symVal;for(sym in obj){return false}if(typeof Object.keys==="function"&&Object.keys(obj).length!==0){return false}if(typeof Object.getOwnPropertyNames==="function"&&Object.getOwnPropertyNames(obj).length!==0){return false}var syms=Object.getOwnPropertySymbols(obj);if(syms.length!==1||syms[0]!==sym){return false}if(!Object.prototype.propertyIsEnumerable.call(obj,sym)){return false}if(typeof Object.getOwnPropertyDescriptor==="function"){var descriptor=Object.getOwnPropertyDescriptor(obj,sym);if(descriptor.value!==symVal||descriptor.enumerable!==true){return false}}return true}},{}],28:[function(require,module,exports){"use strict";var bind=require("function-bind");module.exports=bind.call(Function.call,Object.prototype.hasOwnProperty)},{"function-bind":24}],29:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m;var eLen=nBytes*8-mLen-1;var eMax=(1<>1;var nBits=-7;var i=isLE?nBytes-1:0;var d=isLE?-1:1;var s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8){}m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8){}if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c;var eLen=nBytes*8-mLen-1;var eMax=(1<>1;var rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0;var i=isLE?0:nBytes-1;var d=isLE?1:-1;var s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8){}e=e<0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8){}buffer[offset+i-d]|=s*128}},{}],30:[function(require,module,exports){if(typeof Object.create==="function"){module.exports=function inherits(ctor,superCtor){if(superCtor){ctor.super_=superCtor;ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:false,writable:true,configurable:true}})}}}else{module.exports=function inherits(ctor,superCtor){if(superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype;ctor.prototype=new TempCtor;ctor.prototype.constructor=ctor}}}},{}],31:[function(require,module,exports){"use strict";var hasToStringTag=typeof Symbol==="function"&&typeof Symbol.toStringTag==="symbol";var callBound=require("call-bind/callBound");var $toString=callBound("Object.prototype.toString");var isStandardArguments=function isArguments(value){if(hasToStringTag&&value&&typeof value==="object"&&Symbol.toStringTag in value){return false}return $toString(value)==="[object Arguments]"};var isLegacyArguments=function isArguments(value){if(isStandardArguments(value)){return true}return value!==null&&typeof value==="object"&&typeof value.length==="number"&&value.length>=0&&$toString(value)!=="[object Array]"&&$toString(value.callee)==="[object Function]"};var supportsStandardArguments=function(){return isStandardArguments(arguments)}();isStandardArguments.isLegacyArguments=isLegacyArguments;module.exports=supportsStandardArguments?isStandardArguments:isLegacyArguments},{"call-bind/callBound":18}],32:[function(require,module,exports){"use strict";var toStr=Object.prototype.toString;var fnToStr=Function.prototype.toString;var isFnRegex=/^\s*(?:function)?\*/;var hasToStringTag=typeof Symbol==="function"&&typeof Symbol.toStringTag==="symbol";var getProto=Object.getPrototypeOf;var getGeneratorFunc=function(){if(!hasToStringTag){return false}try{return Function("return function*() {}")()}catch(e){}};var generatorFunc=getGeneratorFunc();var GeneratorFunction=getProto&&generatorFunc?getProto(generatorFunc):false;module.exports=function isGeneratorFunction(fn){if(typeof fn!=="function"){return false}if(isFnRegex.test(fnToStr.call(fn))){return true}if(!hasToStringTag){var str=toStr.call(fn);return str==="[object GeneratorFunction]"}return getProto&&getProto(fn)===GeneratorFunction}},{}],33:[function(require,module,exports){(function(global){(function(){"use strict";var forEach=require("foreach");var availableTypedArrays=require("available-typed-arrays");var callBound=require("call-bind/callBound");var $toString=callBound("Object.prototype.toString");var hasSymbols=require("has-symbols")();var hasToStringTag=hasSymbols&&typeof Symbol.toStringTag==="symbol";var typedArrays=availableTypedArrays();var $indexOf=callBound("Array.prototype.indexOf",true)||function indexOf(array,value){for(var i=0;i-1}if(!gOPD){return false}return tryTypedArrays(value)}}).call(this)}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"available-typed-arrays":12,"call-bind/callBound":18,"es-abstract/helpers/getOwnPropertyDescriptor":20,foreach:22,"has-symbols":26}],34:[function(require,module,exports){"use strict";var getOwnPropertySymbols=Object.getOwnPropertySymbols;var hasOwnProperty=Object.prototype.hasOwnProperty;var propIsEnumerable=Object.prototype.propertyIsEnumerable;function toObject(val){if(val===null||val===undefined){throw new TypeError("Object.assign cannot be called with null or undefined")}return Object(val)}function shouldUseNative(){try{if(!Object.assign){return false}var test1=new String("abc");test1[5]="de";if(Object.getOwnPropertyNames(test1)[0]==="5"){return false}var test2={};for(var i=0;i<10;i++){test2["_"+String.fromCharCode(i)]=i}var order2=Object.getOwnPropertyNames(test2).map(function(n){return test2[n]});if(order2.join("")!=="0123456789"){return false}var test3={};"abcdefghijklmnopqrst".split("").forEach(function(letter){test3[letter]=letter});if(Object.keys(Object.assign({},test3)).join("")!=="abcdefghijklmnopqrst"){return false}return true}catch(err){return false}}module.exports=shouldUseNative()?Object.assign:function(target,source){var from;var to=toObject(target);var symbols;for(var s=1;s1){for(var i=1;i2){return"one of ".concat(thing," ").concat(expected.slice(0,len-1).join(", "),", or ")+expected[len-1]}else if(len===2){return"one of ".concat(thing," ").concat(expected[0]," or ").concat(expected[1])}else{return"of ".concat(thing," ").concat(expected[0])}}else{return"of ".concat(thing," ").concat(String(expected))}}function startsWith(str,search,pos){return str.substr(!pos||pos<0?0:+pos,search.length)===search}function endsWith(str,search,this_len){if(this_len===undefined||this_len>str.length){this_len=str.length}return str.substring(this_len-search.length,this_len)===search}function includes(str,search,start){if(typeof start!=="number"){start=0}if(start+search.length>str.length){return false}else{return str.indexOf(search,start)!==-1}}createErrorType("ERR_INVALID_OPT_VALUE",function(name,value){return'The value "'+value+'" is invalid for option "'+name+'"'},TypeError);createErrorType("ERR_INVALID_ARG_TYPE",function(name,expected,actual){var determiner;if(typeof expected==="string"&&startsWith(expected,"not ")){determiner="must not be";expected=expected.replace(/^not /,"")}else{determiner="must be"}var msg;if(endsWith(name," argument")){msg="The ".concat(name," ").concat(determiner," ").concat(oneOf(expected,"type"))}else{var type=includes(name,".")?"property":"argument";msg='The "'.concat(name,'" ').concat(type," ").concat(determiner," ").concat(oneOf(expected,"type"))}msg+=". Received type ".concat(typeof actual);return msg},TypeError);createErrorType("ERR_STREAM_PUSH_AFTER_EOF","stream.push() after EOF");createErrorType("ERR_METHOD_NOT_IMPLEMENTED",function(name){return"The "+name+" method is not implemented"});createErrorType("ERR_STREAM_PREMATURE_CLOSE","Premature close");createErrorType("ERR_STREAM_DESTROYED",function(name){return"Cannot call "+name+" after a stream was destroyed"});createErrorType("ERR_MULTIPLE_CALLBACK","Callback called multiple times");createErrorType("ERR_STREAM_CANNOT_PIPE","Cannot pipe, not readable");createErrorType("ERR_STREAM_WRITE_AFTER_END","write after end");createErrorType("ERR_STREAM_NULL_VALUES","May not write null values to stream",TypeError);createErrorType("ERR_UNKNOWN_ENCODING",function(arg){return"Unknown encoding: "+arg},TypeError);createErrorType("ERR_STREAM_UNSHIFT_AFTER_END_EVENT","stream.unshift() after end event");module.exports.codes=codes},{}],37:[function(require,module,exports){(function(process){(function(){"use strict";var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj){keys.push(key)}return keys};module.exports=Duplex;var Readable=require("./_stream_readable");var Writable=require("./_stream_writable");require("inherits")(Duplex,Readable);{var keys=objectKeys(Writable.prototype);for(var v=0;v0){if(typeof chunk!=="string"&&!state.objectMode&&Object.getPrototypeOf(chunk)!==Buffer.prototype){chunk=_uint8ArrayToBuffer(chunk)}if(addToFront){if(state.endEmitted)errorOrDestroy(stream,new ERR_STREAM_UNSHIFT_AFTER_END_EVENT);else addChunk(stream,state,chunk,true)}else if(state.ended){errorOrDestroy(stream,new ERR_STREAM_PUSH_AFTER_EOF)}else if(state.destroyed){return false}else{state.reading=false;if(state.decoder&&!encoding){chunk=state.decoder.write(chunk);if(state.objectMode||chunk.length!==0)addChunk(stream,state,chunk,false);else maybeReadMore(stream,state)}else{addChunk(stream,state,chunk,false)}}}else if(!addToFront){state.reading=false;maybeReadMore(stream,state)}}return!state.ended&&(state.length=MAX_HWM){n=MAX_HWM}else{n--;n|=n>>>1;n|=n>>>2;n|=n>>>4;n|=n>>>8;n|=n>>>16;n++}return n}function howMuchToRead(n,state){if(n<=0||state.length===0&&state.ended)return 0;if(state.objectMode)return 1;if(n!==n){if(state.flowing&&state.length)return state.buffer.head.data.length;else return state.length}if(n>state.highWaterMark)state.highWaterMark=computeNewHighWaterMark(n);if(n<=state.length)return n;if(!state.ended){state.needReadable=true;return 0}return state.length}Readable.prototype.read=function(n){debug("read",n);n=parseInt(n,10);var state=this._readableState;var nOrig=n;if(n!==0)state.emittedReadable=false;if(n===0&&state.needReadable&&((state.highWaterMark!==0?state.length>=state.highWaterMark:state.length>0)||state.ended)){debug("read: emitReadable",state.length,state.ended);if(state.length===0&&state.ended)endReadable(this);else emitReadable(this);return null}n=howMuchToRead(n,state);if(n===0&&state.ended){if(state.length===0)endReadable(this);return null}var doRead=state.needReadable;debug("need readable",doRead);if(state.length===0||state.length-n0)ret=fromList(n,state);else ret=null;if(ret===null){state.needReadable=state.length<=state.highWaterMark;n=0}else{state.length-=n;state.awaitDrain=0}if(state.length===0){if(!state.ended)state.needReadable=true;if(nOrig!==n&&state.ended)endReadable(this)}if(ret!==null)this.emit("data",ret);return ret};function onEofChunk(stream,state){debug("onEofChunk");if(state.ended)return;if(state.decoder){var chunk=state.decoder.end();if(chunk&&chunk.length){state.buffer.push(chunk);state.length+=state.objectMode?1:chunk.length}}state.ended=true;if(state.sync){emitReadable(stream)}else{state.needReadable=false;if(!state.emittedReadable){state.emittedReadable=true;emitReadable_(stream)}}}function emitReadable(stream){var state=stream._readableState;debug("emitReadable",state.needReadable,state.emittedReadable);state.needReadable=false;if(!state.emittedReadable){debug("emitReadable",state.flowing);state.emittedReadable=true;process.nextTick(emitReadable_,stream)}}function emitReadable_(stream){var state=stream._readableState;debug("emitReadable_",state.destroyed,state.length,state.ended);if(!state.destroyed&&(state.length||state.ended)){stream.emit("readable");state.emittedReadable=false}state.needReadable=!state.flowing&&!state.ended&&state.length<=state.highWaterMark;flow(stream)}function maybeReadMore(stream,state){if(!state.readingMore){state.readingMore=true;process.nextTick(maybeReadMore_,stream,state)}}function maybeReadMore_(stream,state){while(!state.reading&&!state.ended&&(state.length1&&indexOf(state.pipes,dest)!==-1)&&!cleanedUp){debug("false write response, pause",state.awaitDrain);state.awaitDrain++}src.pause()}}function onerror(er){debug("onerror",er);unpipe();dest.removeListener("error",onerror);if(EElistenerCount(dest,"error")===0)errorOrDestroy(dest,er)}prependListener(dest,"error",onerror);function onclose(){dest.removeListener("finish",onfinish);unpipe()}dest.once("close",onclose);function onfinish(){debug("onfinish");dest.removeListener("close",onclose);unpipe()}dest.once("finish",onfinish);function unpipe(){debug("unpipe");src.unpipe(dest)}dest.emit("pipe",src);if(!state.flowing){debug("pipe resume");src.resume()}return dest};function pipeOnDrain(src){return function pipeOnDrainFunctionResult(){var state=src._readableState;debug("pipeOnDrain",state.awaitDrain);if(state.awaitDrain)state.awaitDrain--;if(state.awaitDrain===0&&EElistenerCount(src,"data")){state.flowing=true;flow(src)}}}Readable.prototype.unpipe=function(dest){var state=this._readableState;var unpipeInfo={hasUnpiped:false};if(state.pipesCount===0)return this;if(state.pipesCount===1){if(dest&&dest!==state.pipes)return this;if(!dest)dest=state.pipes;state.pipes=null;state.pipesCount=0;state.flowing=false;if(dest)dest.emit("unpipe",this,unpipeInfo);return this}if(!dest){var dests=state.pipes;var len=state.pipesCount;state.pipes=null;state.pipesCount=0;state.flowing=false;for(var i=0;i0;if(state.flowing!==false)this.resume()}else if(ev==="readable"){if(!state.endEmitted&&!state.readableListening){state.readableListening=state.needReadable=true;state.flowing=false;state.emittedReadable=false;debug("on readable",state.length,state.reading);if(state.length){emitReadable(this)}else if(!state.reading){process.nextTick(nReadingNextTick,this)}}}return res};Readable.prototype.addListener=Readable.prototype.on;Readable.prototype.removeListener=function(ev,fn){var res=Stream.prototype.removeListener.call(this,ev,fn);if(ev==="readable"){process.nextTick(updateReadableListening,this)}return res};Readable.prototype.removeAllListeners=function(ev){var res=Stream.prototype.removeAllListeners.apply(this,arguments);if(ev==="readable"||ev===undefined){process.nextTick(updateReadableListening,this)}return res};function updateReadableListening(self){var state=self._readableState;state.readableListening=self.listenerCount("readable")>0;if(state.resumeScheduled&&!state.paused){state.flowing=true}else if(self.listenerCount("data")>0){self.resume()}}function nReadingNextTick(self){debug("readable nexttick read 0");self.read(0)}Readable.prototype.resume=function(){var state=this._readableState;if(!state.flowing){debug("resume");state.flowing=!state.readableListening;resume(this,state)}state.paused=false;return this};function resume(stream,state){if(!state.resumeScheduled){state.resumeScheduled=true;process.nextTick(resume_,stream,state)}}function resume_(stream,state){debug("resume",state.reading);if(!state.reading){stream.read(0)}state.resumeScheduled=false;stream.emit("resume");flow(stream);if(state.flowing&&!state.reading)stream.read(0)}Readable.prototype.pause=function(){debug("call pause flowing=%j",this._readableState.flowing);if(this._readableState.flowing!==false){debug("pause");this._readableState.flowing=false;this.emit("pause")}this._readableState.paused=true;return this};function flow(stream){var state=stream._readableState;debug("flow",state.flowing);while(state.flowing&&stream.read()!==null){}}Readable.prototype.wrap=function(stream){var _this=this;var state=this._readableState;var paused=false;stream.on("end",function(){debug("wrapped end");if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length)_this.push(chunk)}_this.push(null)});stream.on("data",function(chunk){debug("wrapped data");if(state.decoder)chunk=state.decoder.write(chunk);if(state.objectMode&&(chunk===null||chunk===undefined))return;else if(!state.objectMode&&(!chunk||!chunk.length))return;var ret=_this.push(chunk);if(!ret){paused=true;stream.pause()}});for(var i in stream){if(this[i]===undefined&&typeof stream[i]==="function"){this[i]=function methodWrap(method){return function methodWrapReturnFunction(){return stream[method].apply(stream,arguments)}}(i)}}for(var n=0;n=state.length){if(state.decoder)ret=state.buffer.join("");else if(state.buffer.length===1)ret=state.buffer.first();else ret=state.buffer.concat(state.length);state.buffer.clear()}else{ret=state.buffer.consume(n,state.decoder)}return ret}function endReadable(stream){var state=stream._readableState;debug("endReadable",state.endEmitted);if(!state.endEmitted){state.ended=true;process.nextTick(endReadableNT,state,stream)}}function endReadableNT(state,stream){debug("endReadableNT",state.endEmitted,state.length);if(!state.endEmitted&&state.length===0){state.endEmitted=true;stream.readable=false;stream.emit("end");if(state.autoDestroy){var wState=stream._writableState;if(!wState||wState.autoDestroy&&wState.finished){stream.destroy()}}}}if(typeof Symbol==="function"){Readable.from=function(iterable,opts){if(from===undefined){from=require("./internal/streams/from")}return from(Readable,iterable,opts)}}function indexOf(xs,x){for(var i=0,l=xs.length;i-1))throw new ERR_UNKNOWN_ENCODING(encoding);this._writableState.defaultEncoding=encoding;return this};Object.defineProperty(Writable.prototype,"writableBuffer",{enumerable:false,get:function get(){return this._writableState&&this._writableState.getBuffer()}});function decodeChunk(state,chunk,encoding){if(!state.objectMode&&state.decodeStrings!==false&&typeof chunk==="string"){chunk=Buffer.from(chunk,encoding)}return chunk}Object.defineProperty(Writable.prototype,"writableHighWaterMark",{enumerable:false,get:function get(){return this._writableState.highWaterMark}});function writeOrBuffer(stream,state,isBuf,chunk,encoding,cb){if(!isBuf){var newChunk=decodeChunk(state,chunk,encoding);if(chunk!==newChunk){isBuf=true;encoding="buffer";chunk=newChunk}}var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length0)this.tail.next=entry;else this.head=entry;this.tail=entry;++this.length}},{key:"unshift",value:function unshift(v){var entry={data:v,next:this.head};if(this.length===0)this.tail=entry;this.head=entry;++this.length}},{key:"shift",value:function shift(){if(this.length===0)return;var ret=this.head.data;if(this.length===1)this.head=this.tail=null;else this.head=this.head.next;--this.length;return ret}},{key:"clear",value:function clear(){this.head=this.tail=null;this.length=0}},{key:"join",value:function join(s){if(this.length===0)return"";var p=this.head;var ret=""+p.data;while(p=p.next){ret+=s+p.data}return ret}},{key:"concat",value:function concat(n){if(this.length===0)return Buffer.alloc(0);var ret=Buffer.allocUnsafe(n>>>0);var p=this.head;var i=0;while(p){copyBuffer(p.data,ret,i);i+=p.data.length;p=p.next}return ret}},{key:"consume",value:function consume(n,hasStrings){var ret;if(nstr.length?str.length:n;if(nb===str.length)ret+=str;else ret+=str.slice(0,n);n-=nb;if(n===0){if(nb===str.length){++c;if(p.next)this.head=p.next;else this.head=this.tail=null}else{this.head=p;p.data=str.slice(nb)}break}++c}this.length-=c;return ret}},{key:"_getBuffer",value:function _getBuffer(n){var ret=Buffer.allocUnsafe(n);var p=this.head;var c=1;p.data.copy(ret);n-=p.data.length;while(p=p.next){var buf=p.data;var nb=n>buf.length?buf.length:n;buf.copy(ret,ret.length-n,0,nb);n-=nb;if(n===0){if(nb===buf.length){++c;if(p.next)this.head=p.next;else this.head=this.tail=null}else{this.head=p;p.data=buf.slice(nb)}break}++c}this.length-=c;return ret}},{key:custom,value:function value(_,options){return inspect(this,_objectSpread({},options,{depth:0,customInspect:false}))}}]);return BufferList}()},{buffer:17,util:16}],44:[function(require,module,exports){(function(process){(function(){"use strict";function destroy(err,cb){var _this=this;var readableDestroyed=this._readableState&&this._readableState.destroyed;var writableDestroyed=this._writableState&&this._writableState.destroyed;if(readableDestroyed||writableDestroyed){if(cb){cb(err)}else if(err){if(!this._writableState){process.nextTick(emitErrorNT,this,err)}else if(!this._writableState.errorEmitted){this._writableState.errorEmitted=true;process.nextTick(emitErrorNT,this,err)}}return this}if(this._readableState){this._readableState.destroyed=true}if(this._writableState){this._writableState.destroyed=true}this._destroy(err||null,function(err){if(!cb&&err){if(!_this._writableState){process.nextTick(emitErrorAndCloseNT,_this,err)}else if(!_this._writableState.errorEmitted){_this._writableState.errorEmitted=true;process.nextTick(emitErrorAndCloseNT,_this,err)}else{process.nextTick(emitCloseNT,_this)}}else if(cb){process.nextTick(emitCloseNT,_this);cb(err)}else{process.nextTick(emitCloseNT,_this)}});return this}function emitErrorAndCloseNT(self,err){emitErrorNT(self,err);emitCloseNT(self)}function emitCloseNT(self){if(self._writableState&&!self._writableState.emitClose)return;if(self._readableState&&!self._readableState.emitClose)return;self.emit("close")}function undestroy(){if(this._readableState){this._readableState.destroyed=false;this._readableState.reading=false;this._readableState.ended=false;this._readableState.endEmitted=false}if(this._writableState){this._writableState.destroyed=false;this._writableState.ended=false;this._writableState.ending=false;this._writableState.finalCalled=false;this._writableState.prefinished=false;this._writableState.finished=false;this._writableState.errorEmitted=false}}function emitErrorNT(self,err){self.emit("error",err)}function errorOrDestroy(stream,err){var rState=stream._readableState;var wState=stream._writableState;if(rState&&rState.autoDestroy||wState&&wState.autoDestroy)stream.destroy(err);else stream.emit("error",err)}module.exports={destroy:destroy,undestroy:undestroy,errorOrDestroy:errorOrDestroy}}).call(this)}).call(this,require("_process"))},{_process:35}],45:[function(require,module,exports){"use strict";var ERR_STREAM_PREMATURE_CLOSE=require("../../../errors").codes.ERR_STREAM_PREMATURE_CLOSE;function once(callback){var called=false;return function(){if(called)return;called=true;for(var _len=arguments.length,args=new Array(_len),_key=0;_key<_len;_key++){args[_key]=arguments[_key]}callback.apply(this,args)}}function noop(){}function isRequest(stream){return stream.setHeader&&typeof stream.abort==="function"}function eos(stream,opts,callback){if(typeof opts==="function")return eos(stream,null,opts);if(!opts)opts={};callback=once(callback||noop);var readable=opts.readable||opts.readable!==false&&stream.readable;var writable=opts.writable||opts.writable!==false&&stream.writable;var onlegacyfinish=function onlegacyfinish(){if(!stream.writable)onfinish()};var writableEnded=stream._writableState&&stream._writableState.finished;var onfinish=function onfinish(){writable=false;writableEnded=true;if(!readable)callback.call(stream)};var readableEnded=stream._readableState&&stream._readableState.endEmitted;var onend=function onend(){readable=false;readableEnded=true;if(!writable)callback.call(stream)};var onerror=function onerror(err){callback.call(stream,err)};var onclose=function onclose(){var err;if(readable&&!readableEnded){if(!stream._readableState||!stream._readableState.ended)err=new ERR_STREAM_PREMATURE_CLOSE;return callback.call(stream,err)}if(writable&&!writableEnded){if(!stream._writableState||!stream._writableState.ended)err=new ERR_STREAM_PREMATURE_CLOSE;return callback.call(stream,err)}};var onrequest=function onrequest(){stream.req.on("finish",onfinish)};if(isRequest(stream)){stream.on("complete",onfinish);stream.on("abort",onclose);if(stream.req)onrequest();else stream.on("request",onrequest)}else if(writable&&!stream._writableState){stream.on("end",onlegacyfinish);stream.on("close",onlegacyfinish)}stream.on("end",onend);stream.on("finish",onfinish);if(opts.error!==false)stream.on("error",onerror);stream.on("close",onclose);return function(){stream.removeListener("complete",onfinish);stream.removeListener("abort",onclose);stream.removeListener("request",onrequest);if(stream.req)stream.req.removeListener("finish",onfinish);stream.removeListener("end",onlegacyfinish);stream.removeListener("close",onlegacyfinish);stream.removeListener("finish",onfinish);stream.removeListener("end",onend);stream.removeListener("error",onerror);stream.removeListener("close",onclose)}}module.exports=eos},{"../../../errors":36}],46:[function(require,module,exports){module.exports=function(){throw new Error("Readable.from is not available in the browser")}},{}],47:[function(require,module,exports){"use strict";var eos;function once(callback){var called=false;return function(){if(called)return;called=true;callback.apply(void 0,arguments)}}var _require$codes=require("../../../errors").codes,ERR_MISSING_ARGS=_require$codes.ERR_MISSING_ARGS,ERR_STREAM_DESTROYED=_require$codes.ERR_STREAM_DESTROYED;function noop(err){if(err)throw err}function isRequest(stream){return stream.setHeader&&typeof stream.abort==="function"}function destroyer(stream,reading,writing,callback){callback=once(callback);var closed=false;stream.on("close",function(){closed=true});if(eos===undefined)eos=require("./end-of-stream");eos(stream,{readable:reading,writable:writing},function(err){if(err)return callback(err);closed=true;callback()});var destroyed=false;return function(err){if(closed)return;if(destroyed)return;destroyed=true;if(isRequest(stream))return stream.abort();if(typeof stream.destroy==="function")return stream.destroy();callback(err||new ERR_STREAM_DESTROYED("pipe"))}}function call(fn){fn()}function pipe(from,to){return from.pipe(to)}function popCallback(streams){if(!streams.length)return noop;if(typeof streams[streams.length-1]!=="function")return noop;return streams.pop()}function pipeline(){for(var _len=arguments.length,streams=new Array(_len),_key=0;_key<_len;_key++){streams[_key]=arguments[_key]}var callback=popCallback(streams);if(Array.isArray(streams[0]))streams=streams[0];if(streams.length<2){throw new ERR_MISSING_ARGS("streams")}var error;var destroys=streams.map(function(stream,i){var reading=i0;return destroyer(stream,reading,writing,function(err){if(!error)error=err;if(err)destroys.forEach(call);if(reading)return;destroys.forEach(call);callback(error)})});return streams.reduce(pipe)}module.exports=pipeline},{"../../../errors":36,"./end-of-stream":45}],48:[function(require,module,exports){"use strict";var ERR_INVALID_OPT_VALUE=require("../../../errors").codes.ERR_INVALID_OPT_VALUE;function highWaterMarkFrom(options,isDuplex,duplexKey){return options.highWaterMark!=null?options.highWaterMark:isDuplex?options[duplexKey]:null}function getHighWaterMark(state,options,duplexKey,isDuplex){var hwm=highWaterMarkFrom(options,isDuplex,duplexKey);if(hwm!=null){if(!(isFinite(hwm)&&Math.floor(hwm)===hwm)||hwm<0){var name=isDuplex?duplexKey:"highWaterMark";throw new ERR_INVALID_OPT_VALUE(name,hwm)}return Math.floor(hwm)}return state.objectMode?16:16*1024}module.exports={getHighWaterMark:getHighWaterMark}},{"../../../errors":36}],49:[function(require,module,exports){module.exports=require("events").EventEmitter},{events:21}],50:[function(require,module,exports){var buffer=require("buffer");var Buffer=buffer.Buffer;function copyProps(src,dst){for(var key in src){dst[key]=src[key]}}if(Buffer.from&&Buffer.alloc&&Buffer.allocUnsafe&&Buffer.allocUnsafeSlow){module.exports=buffer}else{copyProps(buffer,exports);exports.Buffer=SafeBuffer}function SafeBuffer(arg,encodingOrOffset,length){return Buffer(arg,encodingOrOffset,length)}copyProps(Buffer,SafeBuffer);SafeBuffer.from=function(arg,encodingOrOffset,length){if(typeof arg==="number"){throw new TypeError("Argument must not be a number")}return Buffer(arg,encodingOrOffset,length)};SafeBuffer.alloc=function(size,fill,encoding){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}var buf=Buffer(size);if(fill!==undefined){if(typeof encoding==="string"){buf.fill(fill,encoding)}else{buf.fill(fill)}}else{buf.fill(0)}return buf};SafeBuffer.allocUnsafe=function(size){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}return Buffer(size)};SafeBuffer.allocUnsafeSlow=function(size){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}return buffer.SlowBuffer(size)}},{buffer:17}],51:[function(require,module,exports){"use strict";var Buffer=require("safe-buffer").Buffer;var isEncoding=Buffer.isEncoding||function(encoding){encoding=""+encoding;switch(encoding&&encoding.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return true;default:return false}};function _normalizeEncoding(enc){if(!enc)return"utf8";var retried;while(true){switch(enc){case"utf8":case"utf-8":return"utf8";case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return"utf16le";case"latin1":case"binary":return"latin1";case"base64":case"ascii":case"hex":return enc;default:if(retried)return;enc=(""+enc).toLowerCase();retried=true}}}function normalizeEncoding(enc){var nenc=_normalizeEncoding(enc);if(typeof nenc!=="string"&&(Buffer.isEncoding===isEncoding||!isEncoding(enc)))throw new Error("Unknown encoding: "+enc);return nenc||enc}exports.StringDecoder=StringDecoder;function StringDecoder(encoding){this.encoding=normalizeEncoding(encoding);var nb;switch(this.encoding){case"utf16le":this.text=utf16Text;this.end=utf16End;nb=4;break;case"utf8":this.fillLast=utf8FillLast;nb=4;break;case"base64":this.text=base64Text;this.end=base64End;nb=3;break;default:this.write=simpleWrite;this.end=simpleEnd;return}this.lastNeed=0;this.lastTotal=0;this.lastChar=Buffer.allocUnsafe(nb)}StringDecoder.prototype.write=function(buf){if(buf.length===0)return"";var r;var i;if(this.lastNeed){r=this.fillLast(buf);if(r===undefined)return"";i=this.lastNeed;this.lastNeed=0}else{i=0}if(i>5===6)return 2;else if(byte>>4===14)return 3;else if(byte>>3===30)return 4;return byte>>6===2?-1:-2}function utf8CheckIncomplete(self,buf,i){var j=buf.length-1;if(j=0){if(nb>0)self.lastNeed=nb-1;return nb}if(--j=0){if(nb>0)self.lastNeed=nb-2;return nb}if(--j=0){if(nb>0){if(nb===2)nb=0;else self.lastNeed=nb-3}return nb}return 0}function utf8CheckExtraBytes(self,buf,p){if((buf[0]&192)!==128){self.lastNeed=0;return"�"}if(self.lastNeed>1&&buf.length>1){if((buf[1]&192)!==128){self.lastNeed=1;return"�"}if(self.lastNeed>2&&buf.length>2){if((buf[2]&192)!==128){self.lastNeed=2;return"�"}}}}function utf8FillLast(buf){var p=this.lastTotal-this.lastNeed;var r=utf8CheckExtraBytes(this,buf,p);if(r!==undefined)return r;if(this.lastNeed<=buf.length){buf.copy(this.lastChar,p,0,this.lastNeed);return this.lastChar.toString(this.encoding,0,this.lastTotal)}buf.copy(this.lastChar,p,0,buf.length);this.lastNeed-=buf.length}function utf8Text(buf,i){var total=utf8CheckIncomplete(this,buf,i);if(!this.lastNeed)return buf.toString("utf8",i);this.lastTotal=total;var end=buf.length-(total-this.lastNeed);buf.copy(this.lastChar,0,end);return buf.toString("utf8",i,end)}function utf8End(buf){var r=buf&&buf.length?this.write(buf):"";if(this.lastNeed)return r+"�";return r}function utf16Text(buf,i){if((buf.length-i)%2===0){var r=buf.toString("utf16le",i);if(r){var c=r.charCodeAt(r.length-1);if(c>=55296&&c<=56319){this.lastNeed=2;this.lastTotal=4;this.lastChar[0]=buf[buf.length-2];this.lastChar[1]=buf[buf.length-1];return r.slice(0,-1)}}return r}this.lastNeed=1;this.lastTotal=2;this.lastChar[0]=buf[buf.length-1];return buf.toString("utf16le",i,buf.length-1)}function utf16End(buf){var r=buf&&buf.length?this.write(buf):"";if(this.lastNeed){var end=this.lastTotal-this.lastNeed;return r+this.lastChar.toString("utf16le",0,end)}return r}function base64Text(buf,i){var n=(buf.length-i)%3;if(n===0)return buf.toString("base64",i);this.lastNeed=3-n;this.lastTotal=3;if(n===1){this.lastChar[0]=buf[buf.length-1]}else{this.lastChar[0]=buf[buf.length-2];this.lastChar[1]=buf[buf.length-1]}return buf.toString("base64",i,buf.length-n)}function base64End(buf){var r=buf&&buf.length?this.write(buf):"";if(this.lastNeed)return r+this.lastChar.toString("base64",0,3-this.lastNeed);return r}function simpleWrite(buf){return buf.toString(this.encoding)}function simpleEnd(buf){return buf&&buf.length?this.write(buf):""}},{"safe-buffer":50}],52:[function(require,module,exports){exports=module.exports=require("./lib/_stream_readable.js");exports.Stream=exports;exports.Readable=exports;exports.Writable=require("./lib/_stream_writable.js");exports.Duplex=require("./lib/_stream_duplex.js");exports.Transform=require("./lib/_stream_transform.js");exports.PassThrough=require("./lib/_stream_passthrough.js");exports.finished=require("./lib/internal/streams/end-of-stream.js");exports.pipeline=require("./lib/internal/streams/pipeline.js")},{"./lib/_stream_duplex.js":37,"./lib/_stream_passthrough.js":38,"./lib/_stream_readable.js":39,"./lib/_stream_transform.js":40,"./lib/_stream_writable.js":41,"./lib/internal/streams/end-of-stream.js":45,"./lib/internal/streams/pipeline.js":47}],53:[function(require,module,exports){var buffer=require("buffer");var Buffer=buffer.Buffer;function copyProps(src,dst){for(var key in src){dst[key]=src[key]}}if(Buffer.from&&Buffer.alloc&&Buffer.allocUnsafe&&Buffer.allocUnsafeSlow){module.exports=buffer}else{copyProps(buffer,exports);exports.Buffer=SafeBuffer}function SafeBuffer(arg,encodingOrOffset,length){return Buffer(arg,encodingOrOffset,length)}SafeBuffer.prototype=Object.create(Buffer.prototype);copyProps(Buffer,SafeBuffer);SafeBuffer.from=function(arg,encodingOrOffset,length){if(typeof arg==="number"){throw new TypeError("Argument must not be a number")}return Buffer(arg,encodingOrOffset,length)};SafeBuffer.alloc=function(size,fill,encoding){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}var buf=Buffer(size);if(fill!==undefined){if(typeof encoding==="string"){buf.fill(fill,encoding)}else{buf.fill(fill)}}else{buf.fill(0)}return buf};SafeBuffer.allocUnsafe=function(size){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}return Buffer(size)};SafeBuffer.allocUnsafeSlow=function(size){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}return buffer.SlowBuffer(size)}},{buffer:17}],54:[function(require,module,exports){(function(global){(function(){module.exports=deprecate;function deprecate(fn,msg){if(config("noDeprecation")){return fn}var warned=false;function deprecated(){if(!warned){if(config("throwDeprecation")){throw new Error(msg)}else if(config("traceDeprecation")){console.trace(msg)}else{console.warn(msg)}warned=true}return fn.apply(this,arguments)}return deprecated}function config(name){try{if(!global.localStorage)return false}catch(_){return false}var val=global.localStorage[name];if(null==val)return false;return String(val).toLowerCase()==="true"}}).call(this)}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],55:[function(require,module,exports){arguments[4][10][0].apply(exports,arguments)},{dup:10}],56:[function(require,module,exports){"use strict";var isArgumentsObject=require("is-arguments");var isGeneratorFunction=require("is-generator-function");var whichTypedArray=require("which-typed-array");var isTypedArray=require("is-typed-array");function uncurryThis(f){return f.call.bind(f)}var BigIntSupported=typeof BigInt!=="undefined";var SymbolSupported=typeof Symbol!=="undefined";var ObjectToString=uncurryThis(Object.prototype.toString);var numberValue=uncurryThis(Number.prototype.valueOf);var stringValue=uncurryThis(String.prototype.valueOf);var booleanValue=uncurryThis(Boolean.prototype.valueOf);if(BigIntSupported){var bigIntValue=uncurryThis(BigInt.prototype.valueOf)}if(SymbolSupported){var symbolValue=uncurryThis(Symbol.prototype.valueOf)}function checkBoxedPrimitive(value,prototypeValueOf){if(typeof value!=="object"){return false}try{prototypeValueOf(value);return true}catch(e){return false}}exports.isArgumentsObject=isArgumentsObject;exports.isGeneratorFunction=isGeneratorFunction;exports.isTypedArray=isTypedArray;function isPromise(input){return typeof Promise!=="undefined"&&input instanceof Promise||input!==null&&typeof input==="object"&&typeof input.then==="function"&&typeof input.catch==="function"}exports.isPromise=isPromise;function isArrayBufferView(value){if(typeof ArrayBuffer!=="undefined"&&ArrayBuffer.isView){return ArrayBuffer.isView(value)}return isTypedArray(value)||isDataView(value)}exports.isArrayBufferView=isArrayBufferView;function isUint8Array(value){return whichTypedArray(value)==="Uint8Array"}exports.isUint8Array=isUint8Array;function isUint8ClampedArray(value){return whichTypedArray(value)==="Uint8ClampedArray"}exports.isUint8ClampedArray=isUint8ClampedArray;function isUint16Array(value){return whichTypedArray(value)==="Uint16Array"}exports.isUint16Array=isUint16Array;function isUint32Array(value){return whichTypedArray(value)==="Uint32Array"}exports.isUint32Array=isUint32Array;function isInt8Array(value){return whichTypedArray(value)==="Int8Array"}exports.isInt8Array=isInt8Array;function isInt16Array(value){return whichTypedArray(value)==="Int16Array"}exports.isInt16Array=isInt16Array;function isInt32Array(value){return whichTypedArray(value)==="Int32Array"}exports.isInt32Array=isInt32Array;function isFloat32Array(value){return whichTypedArray(value)==="Float32Array"}exports.isFloat32Array=isFloat32Array;function isFloat64Array(value){return whichTypedArray(value)==="Float64Array"}exports.isFloat64Array=isFloat64Array;function isBigInt64Array(value){return whichTypedArray(value)==="BigInt64Array"}exports.isBigInt64Array=isBigInt64Array;function isBigUint64Array(value){return whichTypedArray(value)==="BigUint64Array"}exports.isBigUint64Array=isBigUint64Array;function isMapToString(value){return ObjectToString(value)==="[object Map]"}isMapToString.working=typeof Map!=="undefined"&&isMapToString(new Map);function isMap(value){if(typeof Map==="undefined"){return false}return isMapToString.working?isMapToString(value):value instanceof Map}exports.isMap=isMap;function isSetToString(value){return ObjectToString(value)==="[object Set]"}isSetToString.working=typeof Set!=="undefined"&&isSetToString(new Set);function isSet(value){if(typeof Set==="undefined"){return false}return isSetToString.working?isSetToString(value):value instanceof Set}exports.isSet=isSet;function isWeakMapToString(value){return ObjectToString(value)==="[object WeakMap]"}isWeakMapToString.working=typeof WeakMap!=="undefined"&&isWeakMapToString(new WeakMap);function isWeakMap(value){if(typeof WeakMap==="undefined"){return false}return isWeakMapToString.working?isWeakMapToString(value):value instanceof WeakMap}exports.isWeakMap=isWeakMap;function isWeakSetToString(value){return ObjectToString(value)==="[object WeakSet]"}isWeakSetToString.working=typeof WeakSet!=="undefined"&&isWeakSetToString(new WeakSet);function isWeakSet(value){return isWeakSetToString(value)}exports.isWeakSet=isWeakSet;function isArrayBufferToString(value){return ObjectToString(value)==="[object ArrayBuffer]"}isArrayBufferToString.working=typeof ArrayBuffer!=="undefined"&&isArrayBufferToString(new ArrayBuffer);function isArrayBuffer(value){if(typeof ArrayBuffer==="undefined"){return false}return isArrayBufferToString.working?isArrayBufferToString(value):value instanceof ArrayBuffer}exports.isArrayBuffer=isArrayBuffer;function isDataViewToString(value){return ObjectToString(value)==="[object DataView]"}isDataViewToString.working=typeof ArrayBuffer!=="undefined"&&typeof DataView!=="undefined"&&isDataViewToString(new DataView(new ArrayBuffer(1),0,1));function isDataView(value){if(typeof DataView==="undefined"){return false}return isDataViewToString.working?isDataViewToString(value):value instanceof DataView}exports.isDataView=isDataView;function isSharedArrayBufferToString(value){return ObjectToString(value)==="[object SharedArrayBuffer]"}isSharedArrayBufferToString.working=typeof SharedArrayBuffer!=="undefined"&&isSharedArrayBufferToString(new SharedArrayBuffer);function isSharedArrayBuffer(value){if(typeof SharedArrayBuffer==="undefined"){return false}return isSharedArrayBufferToString.working?isSharedArrayBufferToString(value):value instanceof SharedArrayBuffer}exports.isSharedArrayBuffer=isSharedArrayBuffer;function isAsyncFunction(value){return ObjectToString(value)==="[object AsyncFunction]"}exports.isAsyncFunction=isAsyncFunction;function isMapIterator(value){return ObjectToString(value)==="[object Map Iterator]"}exports.isMapIterator=isMapIterator;function isSetIterator(value){return ObjectToString(value)==="[object Set Iterator]"}exports.isSetIterator=isSetIterator;function isGeneratorObject(value){return ObjectToString(value)==="[object Generator]"}exports.isGeneratorObject=isGeneratorObject;function isWebAssemblyCompiledModule(value){return ObjectToString(value)==="[object WebAssembly.Module]"}exports.isWebAssemblyCompiledModule=isWebAssemblyCompiledModule;function isNumberObject(value){return checkBoxedPrimitive(value,numberValue)}exports.isNumberObject=isNumberObject;function isStringObject(value){return checkBoxedPrimitive(value,stringValue)}exports.isStringObject=isStringObject;function isBooleanObject(value){return checkBoxedPrimitive(value,booleanValue)}exports.isBooleanObject=isBooleanObject;function isBigIntObject(value){return BigIntSupported&&checkBoxedPrimitive(value,bigIntValue)}exports.isBigIntObject=isBigIntObject;function isSymbolObject(value){return SymbolSupported&&checkBoxedPrimitive(value,symbolValue)}exports.isSymbolObject=isSymbolObject;function isBoxedPrimitive(value){return isNumberObject(value)||isStringObject(value)||isBooleanObject(value)||isBigIntObject(value)||isSymbolObject(value)}exports.isBoxedPrimitive=isBoxedPrimitive;function isAnyArrayBuffer(value){return typeof Uint8Array!=="undefined"&&(isArrayBuffer(value)||isSharedArrayBuffer(value))}exports.isAnyArrayBuffer=isAnyArrayBuffer;["isProxy","isExternal","isModuleNamespaceObject"].forEach(function(method){Object.defineProperty(exports,method,{enumerable:false,value:function(){throw new Error(method+" is not supported in userland")}})})},{"is-arguments":31,"is-generator-function":32,"is-typed-array":33,"which-typed-array":58}],57:[function(require,module,exports){(function(process){(function(){var getOwnPropertyDescriptors=Object.getOwnPropertyDescriptors||function getOwnPropertyDescriptors(obj){var keys=Object.keys(obj);var descriptors={};for(var i=0;i=len)return x;switch(x){case"%s":return String(args[i++]);case"%d":return Number(args[i++]);case"%j":try{return JSON.stringify(args[i++])}catch(_){return"[Circular]"}default:return x}});for(var x=args[i];i=3)ctx.depth=arguments[2];if(arguments.length>=4)ctx.colors=arguments[3];if(isBoolean(opts)){ctx.showHidden=opts}else if(opts){exports._extend(ctx,opts)}if(isUndefined(ctx.showHidden))ctx.showHidden=false;if(isUndefined(ctx.depth))ctx.depth=2;if(isUndefined(ctx.colors))ctx.colors=false;if(isUndefined(ctx.customInspect))ctx.customInspect=true;if(ctx.colors)ctx.stylize=stylizeWithColor;return formatValue(ctx,obj,ctx.depth)}exports.inspect=inspect;inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]};inspect.styles={special:"cyan",number:"yellow",boolean:"yellow",undefined:"grey",null:"bold",string:"green",date:"magenta",regexp:"red"};function stylizeWithColor(str,styleType){var style=inspect.styles[styleType];if(style){return"["+inspect.colors[style][0]+"m"+str+"["+inspect.colors[style][1]+"m"}else{return str}}function stylizeNoColor(str,styleType){return str}function arrayToHash(array){var hash={};array.forEach(function(val,idx){hash[val]=true});return hash}function formatValue(ctx,value,recurseTimes){if(ctx.customInspect&&value&&isFunction(value.inspect)&&value.inspect!==exports.inspect&&!(value.constructor&&value.constructor.prototype===value)){var ret=value.inspect(recurseTimes,ctx);if(!isString(ret)){ret=formatValue(ctx,ret,recurseTimes)}return ret}var primitive=formatPrimitive(ctx,value);if(primitive){return primitive}var keys=Object.keys(value);var visibleKeys=arrayToHash(keys);if(ctx.showHidden){keys=Object.getOwnPropertyNames(value)}if(isError(value)&&(keys.indexOf("message")>=0||keys.indexOf("description")>=0)){return formatError(value)}if(keys.length===0){if(isFunction(value)){var name=value.name?": "+value.name:"";return ctx.stylize("[Function"+name+"]","special")}if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}if(isDate(value)){return ctx.stylize(Date.prototype.toString.call(value),"date")}if(isError(value)){return formatError(value)}}var base="",array=false,braces=["{","}"];if(isArray(value)){array=true;braces=["[","]"]}if(isFunction(value)){var n=value.name?": "+value.name:"";base=" [Function"+n+"]"}if(isRegExp(value)){base=" "+RegExp.prototype.toString.call(value)}if(isDate(value)){base=" "+Date.prototype.toUTCString.call(value)}if(isError(value)){base=" "+formatError(value)}if(keys.length===0&&(!array||value.length==0)){return braces[0]+base+braces[1]}if(recurseTimes<0){if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}else{return ctx.stylize("[Object]","special")}}ctx.seen.push(value);var output;if(array){output=formatArray(ctx,value,recurseTimes,visibleKeys,keys)}else{output=keys.map(function(key){return formatProperty(ctx,value,recurseTimes,visibleKeys,key,array)})}ctx.seen.pop();return reduceToSingleString(output,base,braces)}function formatPrimitive(ctx,value){if(isUndefined(value))return ctx.stylize("undefined","undefined");if(isString(value)){var simple="'"+JSON.stringify(value).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,'"')+"'";return ctx.stylize(simple,"string")}if(isNumber(value))return ctx.stylize(""+value,"number");if(isBoolean(value))return ctx.stylize(""+value,"boolean");if(isNull(value))return ctx.stylize("null","null")}function formatError(value){return"["+Error.prototype.toString.call(value)+"]"}function formatArray(ctx,value,recurseTimes,visibleKeys,keys){var output=[];for(var i=0,l=value.length;i-1){if(array){str=str.split("\n").map(function(line){return" "+line}).join("\n").substr(2)}else{str="\n"+str.split("\n").map(function(line){return" "+line}).join("\n")}}}else{str=ctx.stylize("[Circular]","special")}}if(isUndefined(name)){if(array&&key.match(/^\d+$/)){return str}name=JSON.stringify(""+key);if(name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)){name=name.substr(1,name.length-2);name=ctx.stylize(name,"name")}else{name=name.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'");name=ctx.stylize(name,"string")}}return name+": "+str}function reduceToSingleString(output,base,braces){var numLinesEst=0;var length=output.reduce(function(prev,cur){numLinesEst++;if(cur.indexOf("\n")>=0)numLinesEst++;return prev+cur.replace(/\u001b\[\d\d?m/g,"").length+1},0);if(length>60){return braces[0]+(base===""?"":base+"\n ")+" "+output.join(",\n ")+" "+braces[1]}return braces[0]+base+" "+output.join(", ")+" "+braces[1]}exports.types=require("./support/types");function isArray(ar){return Array.isArray(ar)}exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return isObject(re)&&objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;exports.types.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return isObject(d)&&objectToString(d)==="[object Date]"}exports.isDate=isDate;exports.types.isDate=isDate;function isError(e){return isObject(e)&&(objectToString(e)==="[object Error]"||e instanceof Error)}exports.isError=isError;exports.types.isNativeError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;exports.isBuffer=require("./support/isBuffer");function objectToString(o){return Object.prototype.toString.call(o)}function pad(n){return n<10?"0"+n.toString(10):n.toString(10)}var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];function timestamp(){var d=new Date;var time=[pad(d.getHours()),pad(d.getMinutes()),pad(d.getSeconds())].join(":");return[d.getDate(),months[d.getMonth()],time].join(" ")}exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))};exports.inherits=require("inherits");exports._extend=function(origin,add){if(!add||!isObject(add))return origin;var keys=Object.keys(add);var i=keys.length;while(i--){origin[keys[i]]=add[keys[i]]}return origin};function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}var kCustomPromisifiedSymbol=typeof Symbol!=="undefined"?Symbol("util.promisify.custom"):undefined;exports.promisify=function promisify(original){if(typeof original!=="function")throw new TypeError('The "original" argument must be of type Function');if(kCustomPromisifiedSymbol&&original[kCustomPromisifiedSymbol]){var fn=original[kCustomPromisifiedSymbol];if(typeof fn!=="function"){throw new TypeError('The "util.promisify.custom" argument must be of type Function')}Object.defineProperty(fn,kCustomPromisifiedSymbol,{value:fn,enumerable:false,writable:false,configurable:true});return fn}function fn(){var promiseResolve,promiseReject;var promise=new Promise(function(resolve,reject){promiseResolve=resolve;promiseReject=reject});var args=[];for(var i=0;i