.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:
    - 2
    - all
  class-methods-use-this: 0
  no-console:
    - 2
  no-unused-expressions: 0
  no-param-reassign:
    - 2
    - props: false
  no-useless-escape: 0
  func-names: 0
  no-underscore-dangle: 0
  no-unused-vars:
    - 2
    - argsIgnorePattern: "^_"
  no-else-return:
    - 2
    - allowElseIf: true

  # formatting (off - formatting is Prettier's job)
  semi:
    - 2
    - 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
  camelcase: 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

  # react
  # react/prop-types: 0
  react/jsx-filename-extension: 0
  # react/jsx-no-bind:
  #   - 2
  #   - ignoreRefs: true
  # react/jsx-first-prop-new-line:
  #   - 2
  #   - never
  # react/jsx-indent-props:
  #   - 2
  #   - 2
  # react/jsx-closing-bracket-location:
  #   - 1
  #   - selfClosing: after-props
  #     nonEmpty: after-props
  # react/prefer-stateless-function:
  #   - 1
  #   - ignorePureComponents: true
  react/jsx-boolean-value: off
  react/react-in-jsx-scope: off
  # react/no-unused-prop-types: 0
  # react/destructuring-assignment: 0
  # react/jsx-one-expression-per-line: 0
  flowtype/delimiter-dangle:
    - 2
    - always-multiline
  flowtype/require-return-type:
    - 2
    - always
    - excludeArrowFunctions: true
      annotateUndefined: always
  import/prefer-default-export: 0
  import/named: 0 # doesn't seem to work with Flow
  import/no-extraneous-dependencies: 0
  import/no-cycle: 0 # FIXME: broken with flow https://github.com/benmosher/eslint-plugin-import/issues/1343
  jest/no-large-snapshots: 1
  jest/no-disabled-tests: 0

globals:
  document: true
  window: true
  self: true