feat: loupe@2

.gitignore

@@ -5,3 +5,6 @@
 npm-debug.log
 *.tmp.js
 /tmp/
+loupe.test.js
+loupe.js
+.nyc_output/

.travis.yml

@@ -1,6 +1,75 @@
+sudo: false
+
+dist: trusty
+
 language: node_js
-node_js:
-  - 0.8
-  - 0.10
-script:
-  - make ci
+
+cache:
+  directories:
+    - node_modules
+    - ~/.npm
+
+node_js: 8
+
+jobs:
+  include:
+    - stage: lint
+      script: npm run lint
+    - stage: test
+      addons:
+        chrome: stable
+        firefox: latest
+      before_script:
+        - "export DISPLAY=:99.0"
+        - "sh -e /etc/init.d/xvfb start"
+        - sleep 3 # give xvfb some time to start
+      script: npm run test:browser
+      env:
+        - QUICKLY_TEST_BROWSERS_AVAILABLE_IN_CI=1 # kept here for easier reading of build log
+    - stage: test
+      addons:
+        sauce_connect:
+          username: "chaijs-type-detect"
+        jwt:
+          secure: "GhkIK785QJbB1G5qwf51zpoJkHibS8wBhibID2jCL6TmQ8ZUHmihN2qnjuRvCI80uosHqkCBi3CeBYZIika5QFsg6LVVf5dnme7Qs0UkG+mw45yO6vcKycxbn1Bo5X8hqdtSjF/x+C91Wr4lelr5w/Sq2X7RokfE0fDVdklE5xQ="
+      script:
+        - npm run test:browser
+      env:
+        - TEST_BROWSERS_IN_SAUCELABS=1 # kept here for easier reading of build log
+        - SAUCE_USERNAME="chaijs-type-detect"
+        - SAUCE_CONNECT_READY_FILE=/tmp/sauce-connect-ready
+    - stage: test
+      node_js: 8 # to be removed 2019-12-01
+      script: npm run test:node
+    - stage: test
+      node_js: 7 # to be removed 2017-06-30
+      before_install: npm i -g npm@5
+      script: npm run test:node
+    - stage: test
+      node_js: 6 # to be removed 2019-04-01
+      before_install: npm i -g npm@5
+      script: npm run test:node
+    - stage: test
+      node_js: 4 # to be removed 2018-04-01
+      before_install: npm i -g npm@5
+      script: npm run test:node
+    - stage: test
+      node_js: lts/* # safety net; don't remove
+      script: npm run test:node
+    - stage: test
+      node_js: node # safety net; don't remove
+      script: npm run test:node
+    - stage: semantic-release
+      script:
+        - if [ "$TRAVIS_PULL_REQUEST" != "false" ] || [ "$TRAVIS_BRANCH" != "master" ]; then echo "the deploy job only runs for the master branch. This build will now exit"; exit 0; fi
+        - if [ "$TRAVIS_PULL_REQUEST" == "false" ] && [ "$TRAVIS_BRANCH" == "master" ]; then npm run semantic-release; fi
+      env:
+       - BUILD_LEADER_ID=10
+       # GH_TOKEN type-detect travis 
+       - secure: "MPzfTVm7U1Q/eYhHT3DXwZki5Xn4ODNs/uXEM5PB2m+BxbytaAgU+3JSI0ZREv+JLk9CRnj2yWebaQkm+0ompkPRus0pEFuwEsMJ3HqV4ISj6zWGLPNjeJqy6kGa+m1WlkfHM+Spj7vrmk2yclZsmke4xpeQy9W8nnPDEHe6uoQ="
+       # NPM_TOKEN …7f80442b
+       - secure: "EM+nNOeL3X6Cz5u5aaBKZU6FqXrQVgKO543zy6CL3+Im/Esz2um9S2Ymgw9nzBH35SczhJh4Avfw7sujRdyHPL5XLbCWj2954TThsO8Ue62Xs/K3lQT6x8+iQc0jRZFtBkwX2sQjWFah04j381sKeTFFH94jifeW8dFOXXtWZfs="
+
+env:
+  global:
+    - LOGS_DIR=/tmp/chai-build/logs

appveyor.yml

@@ -0,0 +1,21 @@
+version: '{build}'
+
+skip_tags: true
+skip_branch_with_pr: true
+clone_depth: 1
+deploy: off
+build: off
+
+install:
+  - ps: Install-Product node '8'
+  - npm i -g npm@5
+  - npm install
+
+test_script:
+  - node --version
+  - npm --version
+  - npm test
+
+cache:
+  - node_modules -> package-lock.json
+  - '%APPDATA%\npm-cache'

bench/.eslintrc

@@ -0,0 +1,17 @@
+{
+  "extends": [ "strict/test" ],
+  "env": {
+    "node": true,
+    "browser": true,
+    "es6": true
+  },
+  "rules": {
+    "no-new-wrappers": 0,
+    "no-array-constructor": 0,
+    "no-new-object": 0,
+    "no-empty-function": 0,
+    "no-undefined": 0,
+    "no-console": 0,
+    "id-length": 0
+  }
+}

bench/index.js

@@ -0,0 +1,63 @@
+const loupe = require('../')
+const nodeInspect = require('util').inspect
+const Benchmark = require('benchmark')
+const benches = []
+const mapObjRefA = {}
+const mapObjRefB = {}
+function getArguments() {
+  return arguments // eslint-disable-line prefer-rest-params
+}
+const fixtures = {
+  'string literal             ': 'abc',
+  'array literal              ': [1, 2, 3],
+  'boolean literal            ': true,
+  'object literal             ': { a: 1 },
+  'object from null           ': Object.create(null),
+  'regex literal              ': /^abc$/,
+  'number literal             ': 1,
+  'null                       ': null,
+  'undefined                  ': undefined,
+  'buffer                     ': Buffer.from('hello world'),
+  'date                       ': new Date(123),
+  'map                        ': new Map().set('a', 1),
+  'map (complex)              ': new Map().set(mapObjRefA, new Map().set(mapObjRefB, 1)),
+  'regex constructor          ': new RegExp('abc'),
+  'set                        ': new Set().add(1),
+  'string constructor         ': new String(),
+  'arguments                  ': getArguments(1, 2, 3),
+}
+
+function prepareBenchMark(test, name, inspect = loupe) {
+  benches.push(
+    new Benchmark(name, {
+      fn() {
+        inspect(test)
+      },
+      onCycle(event) {
+        process.stdout.clearLine()
+        process.stdout.cursorTo(0)
+        process.stdout.write(event.target.toString())
+      },
+    })
+  )
+}
+
+const filter = process.argv.slice(2).filter(arg => arg[0] !== '-')[0] || ''
+const nodeinspect = process.argv.indexOf('--nodeinspect') !== -1
+Object.keys(fixtures)
+  .filter(key => key.indexOf(filter) !== -1)
+  .forEach(testName => {
+    prepareBenchMark(fixtures[testName], `${testName} (loupe)`)
+    if (nodeinspect) {
+      prepareBenchMark(fixtures[testName], `${testName}  (node)`, nodeInspect)
+    }
+  })
+Benchmark.invoke(benches, {
+  name: 'run',
+  onCycle() {
+    console.log('')
+  },
+  onComplete() {
+    console.log('~Fin~')
+  },
+})

index.js

@@ -0,0 +1,157 @@
+/* !
+ * loupe
+ * Copyright(c) 2013 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+import typeDetect from 'type-detect'
+
+import inspectArray from './lib/array'
+import inspectTypedArray from './lib/typedarray'
+import inspectDate from './lib/date'
+import inspectFunction from './lib/function'
+import inspectMap from './lib/map'
+import inspectNumber from './lib/number'
+import inspectRegExp from './lib/regexp'
+import inspectSet from './lib/set'
+import inspectString from './lib/string'
+import inspectSymbol from './lib/symbol'
+import inspectPromise from './lib/promise'
+import inspectClass from './lib/class'
+import inspectObject from './lib/object'
+import inspectArguments from './lib/arguments'
+import inspectError from './lib/error'
+
+import { normaliseOptions } from './lib/helpers'
+
+const symbolsSupported = typeof Symbol === 'function' && typeof Symbol.for === 'function'
+const chaiInspect = symbolsSupported ? Symbol.for('chai/inspect') : '@@chai/inspect'
+let nodeInspect = false
+try {
+  // eslint-disable-next-line global-require
+  nodeInspect = require('util').inspect.custom
+} catch (noNodeInspect) {
+  nodeInspect = false
+}
+
+const constructorMap = new WeakMap()
+const stringTagMap = {}
+const baseTypesMap = {
+  undefined: (value, options) => options.stylize('undefined', 'undefined'),
+  null: (value, options) => options.stylize(null, 'null'),
+
+  boolean: (value, options) => options.stylize(value, 'boolean'),
+  Boolean: (value, options) => options.stylize(value, 'boolean'),
+
+  number: inspectNumber,
+  Number: inspectNumber,
+
+  string: inspectString,
+  String: inspectString,
+
+  function: inspectFunction,
+  Function: inspectFunction,
+
+  symbol: inspectSymbol,
+
+  Array: inspectArray,
+  Date: inspectDate,
+  Map: inspectMap,
+  Set: inspectSet,
+  RegExp: inspectRegExp,
+  Promise: inspectPromise,
+
+  // WeakSet, WeakMap are totally opaque to us
+  WeakSet: (value, options) => options.stylize('WeakSet{…}', 'special'),
+  WeakMap: (value, options) => options.stylize('WeakMap{…}', 'sepcial'),
+
+  Arguments: inspectArguments,
+  Int8Array: inspectTypedArray,
+  Uint8Array: inspectTypedArray,
+  Uint8ClampedArray: inspectTypedArray,
+  Int16Array: inspectTypedArray,
+  Uint16Array: inspectTypedArray,
+  Int32Array: inspectTypedArray,
+  Uint32Array: inspectTypedArray,
+  Float32Array: inspectTypedArray,
+  Float64Array: inspectTypedArray,
+
+  Generator: () => '',
+  DataView: () => '',
+  ArrayBuffer: () => '',
+
+  Error: inspectError,
+}
+
+const inspectCustom = (value, options, type) => {
+  if (chaiInspect in value && typeof value[chaiInspect] === 'function') {
+    return value[chaiInspect](options)
+  }
+
+  if (nodeInspect && nodeInspect in value && typeof value[nodeInspect] === 'function') {
+    return value[nodeInspect](options.depth, options)
+  }
+
+  if ('inspect' in value && typeof value.inspect === 'function') {
+    return value.inspect(options.depth, options)
+  }
+
+  if ('constructor' in value && constructorMap.has(value.constructor)) {
+    return constructorMap.get(value.constructor)(value, options)
+  }
+
+  if (stringTagMap[type]) {
+    return stringTagMap[type](value, options)
+  }
+
+  return ''
+}
+
+export default function inspect(value, options) {
+  options = normaliseOptions(options)
+  options.inspect = inspect
+  const { customInspect } = options
+  const type = typeDetect(value)
+
+  // If it is a base value that we already support, then use Loupe's inspector
+  if (baseTypesMap[type]) {
+    return baseTypesMap[type](value, options)
+  }
+
+  // If its a plain Object then use Loupe's inspector
+  if (value && Object.getPrototypeOf(value) === Object.prototype) {
+    return inspectObject(value, options)
+  }
+
+  // If `options.customInspect` is set to true then try to use the custom inspector
+  if (customInspect && value) {
+    const output = inspectCustom(value, options, type)
+    if (output) return output
+  }
+
+  // If it is a class, inspect it like an object but add the constructor name
+  if ('constructor' in value && value.constructor !== Object) {
+    return inspectClass(value, options)
+  }
+
+  // We have run out of options! Just stringify the value
+  return options.stylize(String(value), type)
+}
+
+export function registerConstructor(constructor, inspector) {
+  if (constructorMap.has(constructor)) {
+    return false
+  }
+  constructorMap.add(constructor, inspector)
+  return true
+}
+
+export function registerStringTag(stringTag, inspector) {
+  if (stringTag in stringTagMap) {
+    return false
+  }
+  stringTagMap[stringTag] = inspector
+  return true
+}
+
+export const custom = chaiInspect