.eslintrc.yml

root: true
extends:
  - semistandard
  - plugin:prettier/recommended
env:
  node: true
  browser: true
parserOptions:
  ecmaVersion: 5
  ecmaFeatures:
    jsx: false
  sourceType: script
rules:
  strict:
    - error
    - safe
overrides:
  - files:
      - scripts/**/*.js
      - package-scripts.js
      - karma.conf.js
      - .wallaby.js
      - .eleventy.js
      - bin/*
      - lib/cli/**/*.js
      - test/node-unit/**/*.js
      - test/integration/options/watch.spec.js
      - test/integration/helpers.js
      - lib/growl.js
      - docs/_data/**/*.js
    parserOptions:
      ecmaVersion: 2018
    env:
      browser: false
  - files:
      - esm-utils.js
    parserOptions:
      ecmaVersion: 2018
      sourceType: module
    parser: babel-eslint
    env:
      browser: false
  - files:
      - test/**/*.{js,mjs}
    env:
      mocha: true
    globals:
      expect: readonly
  - files:
      - bin/*
      - lib/**/*.js
    rules:
      no-restricted-globals:
        - error
        - name: setTimeout
          message: &GH-237 See https://github.com/mochajs/mocha/issues/237
        - name: clearTimeout
          message: *GH-237
        - name: setInterval
          message: *GH-237
        - name: clearInterval
          message: *GH-237
        - name: setImmediate
          message: *GH-237
        - name: clearImmediate
          message: *GH-237
        - name: Date
          message: *GH-237
      no-restricted-modules:
        - error
        - timers
      no-restricted-syntax:
        - error
        # disallow `global.setTimeout()`, `global.setInterval()`, etc.
        - selector: 'CallExpression[callee.object.name=global][callee.property.name=/(set|clear)(Timeout|Immediate|Interval)/]'
          message: *GH-237
        # disallow `new global.Date()`
        - selector: 'NewExpression[callee.object.name=global][callee.property.name=Date]'
          message: *GH-237
        # disallow property access of `global.<timer>.*`
        - selector: '*[object.object.name=global][object.property.name=/(Date|(set|clear)(Timeout|Immediate|Interval))/]:expression'
          message: *GH-237

  - files:
      - test/**/*.mjs
    parserOptions:
      ecmaVersion: 2018
      sourceType: module

  - files:
      - lib/reporters/*.js
    rules:
      no-restricted-syntax:
        - error
        # disallow Reporters using `console.log()`
        - selector: 'CallExpression[callee.object.name=console][callee.property.name=log]'
          message: &GH-3604 See https://github.com/mochajs/mocha/issues/3604