.eslintrc.yml

---
root: true

env:
  browser: true
  node: true
  es6: true
  jest: true

parser: babel-eslint

plugins:
- react
- jsx-a11y
- import

parserOptions:
  sourceType: module
  ecmaFeatures:
    arrowFunctions: true
    jsx: true
    destructuring: true
    modules: true
    spread: true

settings:
  import/extensions:
  - .js
  import/ignore:
  - node_modules
  - \\.(css|scss|json)$
  import/resolver: webpack

rules:
  brace-style: warn
  comma-dangle:
  - error
  - always-multiline
  comma-spacing:
  - warn
  - before: false
    after: true
  comma-style:
  - warn
  - last
  consistent-return: error
  dot-notation: error
  eqeqeq: error
  indent:
  - warn
  - 2
  jsx-quotes:
  - error
  - prefer-single
  no-catch-shadow: error
  no-cond-assign: error
  no-console:
  - warn
  - allow:
    - error
    - warn
  no-fallthrough: error
  no-irregular-whitespace: error
  no-mixed-spaces-and-tabs: warn
  no-nested-ternary: warn
  no-trailing-spaces: warn
  no-undef: error
  no-unreachable: error
  no-unused-expressions: error
  no-unused-vars:
  - error
  - vars: all
    args: after-used
    ignoreRestSiblings: true
  object-curly-spacing:
  - error
  - always
  padded-blocks:
  - error
  - classes: always
  quotes:
  - error
  - single
  semi: error
  strict: off
  valid-typeof: error

  react/jsx-boolean-value: error
  react/jsx-closing-bracket-location:
  - error
  - line-aligned
  react/jsx-curly-spacing: error
  react/jsx-equals-spacing: error
  react/jsx-first-prop-new-line:
  - error
  - multiline-multiprop
  react/jsx-indent:
  - error
  - 2
  react/jsx-no-bind: error
  react/jsx-no-duplicate-props: error
  react/jsx-no-undef: error
  react/jsx-tag-spacing: error
  react/jsx-uses-react: error
  react/jsx-uses-vars: error
  react/jsx-wrap-multilines: error
  react/no-multi-comp: off
  react/no-string-refs: error
  react/prop-types: error
  react/self-closing-comp: error

  jsx-a11y/accessible-emoji: warn
  jsx-a11y/anchor-has-content: warn
  jsx-a11y/aria-activedescendant-has-tabindex: warn
  jsx-a11y/aria-props: warn
  jsx-a11y/aria-proptypes: warn
  jsx-a11y/aria-role: warn
  jsx-a11y/aria-unsupported-elements: warn
  jsx-a11y/heading-has-content: warn
  jsx-a11y/html-has-lang: warn
  jsx-a11y/iframe-has-title: warn
  jsx-a11y/img-redundant-alt: warn
  jsx-a11y/label-has-for: off
  jsx-a11y/mouse-events-have-key-events: warn
  jsx-a11y/no-access-key: warn
  jsx-a11y/no-distracting-elements: warn
  jsx-a11y/no-onchange: warn
  jsx-a11y/no-redundant-roles: warn
  jsx-a11y/role-has-required-aria-props: warn
  jsx-a11y/role-supports-aria-props: off
  jsx-a11y/scope: warn
  jsx-a11y/tabindex-no-positive: warn

  import/extensions:
  - error
  - always
  - js: never
  import/newline-after-import: error
  import/no-extraneous-dependencies:
  - error
  - devDependencies:
    - "config/webpack/**"
    - "app/javascript/mastodon/test_setup.js"
    - "app/javascript/**/__tests__/**"
  import/no-unresolved: error
  import/no-webpack-loader-syntax: error