.eslintrc.yml

---
env:
  es6: true
  jest: true

plugins:
  - flowtype

extends:
  # https://github.com/airbnb/javascript
  - airbnb
  - plugin:flowtype/recommended
  - prettier
  - plugin:jest/recommended

parser: babel-eslint

settings:
  flowtype:
    onlyFilesWithFlowAnnotation: true

rules:
  curly:
    - error
    - all
  class-methods-use-this: off
  comma-dangle:
    - error
    - always-multiline
  no-console:
    - error
  no-unused-expressions: off
  no-param-reassign:
    - error
    - props: false
  no-useless-escape: off
  func-names: off
  no-underscore-dangle: off
  no-unused-vars:
    - error
    - argsIgnorePattern: '^_'
  no-else-return:
    - error
    - allowElseIf: true
  # formatting (off - formatting is Prettier's job)
  semi:
    - error
    - never
  arrow-parens: off
  react/jsx-closing-bracket-location: off
  react/jsx-first-prop-new-line: off
  operator-linebreak: off
  object-curly-newline: off
  function-paren-newline: off
  max-classes-per-file: off
  react/jsx-indent: off
  quotes: off
  react/jsx-curly-newline: off
  flowtype/space-after-type-colon: off
  flowtype/generic-spacing: off
  lines-between-class-members: off
  one-var: off
  # react
  react/prop-types: off
  react/jsx-filename-extension: off
  react/jsx-indent-props:
    - error
  react/prefer-stateless-function:
    - 1
    - ignorePureComponents: true
  react/jsx-boolean-value:
    - error
    - always
  react/no-unused-prop-types: off
  react/destructuring-assignment: off
  react/jsx-one-expression-per-line: off
  flowtype/delimiter-dangle:
    - error
    - always-multiline
  flowtype/require-return-type:
    - error
    - always
    - excludeArrowFunctions: true
      annotateUndefined: always
  import/prefer-default-export: off
  import/named: off # doesn't seem to work with Flow
  import/no-extraneous-dependencies: off
  import/no-cycle: off
  jest/no-large-snapshots: warn
  jest/no-disabled-tests: off
  global-require: off
  no-plusplus: off
  prefer-object-spread: off
  react/jsx-props-no-spreading: off
  react/jsx-no-bind: off

overrides:
  - files:
      - 'src/**/*.js'
    excludedFiles:
      - '*integrationTest.js'
      - '*test.js'
      - '**/__tests__/**'
      - '*test.*.js'
    rules:
      flowtype/require-valid-file-annotation:
        - error
        - always

globals:
  document: true
  window: true
  self: true