.eslintrc.yml

root: true

env:
  es6: true
  node: true
  mocha: true
  browser: true

globals:
  serviceworker: true
  describe: true
  browser: true
  fetch: true
  it: true
  expect: true
  document: true

parserOptions:
  ecmaVersion: 2020
  ecmaFeatures:
    jsx: true
    generators: true
    impliedStrict: false
    legacyDecorators: true
    experimentalDecorators: true
    experimentalObjectRestSpread: true

settings:
  react:
    version: detect

parser: babel-eslint

plugins:
  - fp
  - babel
  - react
  - react-hooks
  - jsx-a11y

extends:
  - plugin:jsx-a11y/recommended
  - plugin:react/recommended
  - eslint:recommended
  - react-app
  - prettier
  - prettier/react

rules:
  accessor-pairs: 'off'
  capitalized-comments: 'off'
  consistent-return: warn
  no-bitwise: warn
  no-useless-concat: warn
  camelcase: error
  callback-return: error
  dot-notation: error
  eqeqeq:
    - error
    - allow-null
  global-require: error
  handle-callback-err: error
  no-var: error
  no-debugger: error
  no-console:
    - warn
    - allow:
        - info
        - warn
        - error
  no-inner-declarations:
    - error
    - functions
  no-restricted-syntax:
    - error
    - WithStatement
  no-shadow:
    - error
    - hoist: never
  no-unused-expressions: warn
  no-param-reassign: warn
  no-unused-vars:
    - warn
    - args: none
      ignoreRestSiblings: true
  no-duplicate-imports: error
  no-use-before-define:
    - error
    - functions: false
      variables: false
  no-new-require: error
  no-mixed-requires: error
  no-octal: error
  no-octal-escape: error
  prefer-const: warn
  strict:
    - warn
    - global
  valid-typeof:
    - error
    - requireStringLiterals: true
  max-lines:
    - warn
    - 300
  max-lines-per-function:
    - warn
    - max: 200
      skipComments: true
      skipBlankLines: true
  complexity:
    - warn
    - 20
  max-nested-callbacks:
    - error
    - 3
  max-depth:
    - error
    - 3

  ## REACT RULES
  react/display-name: 'off'
  react/jsx-filename-extension: 'off'
  react/prop-types: warn
  react/no-array-index-key: warn
  react/jsx-uses-vars: error
  react/jsx-uses-react: error
  react/prefer-es6-class: warn
  react/prefer-stateless-function: warn

  ## REACT HOOKS RULES
  react-hooks/rules-of-hooks: error
  react-hooks/exhaustive-deps: warn

  ## FUNCTIONAL PROGRAMMING RULES
  fp/no-let: warn
  fp/no-delete: error
  fp/no-get-set: error
  fp/no-arguments: error
  fp/no-mutating-assign: warn
  fp/no-mutating-methods: 'off'
  fp/no-valueof-field: error
  fp/no-throw: warn