.eslintrc.yml

root: true

parser: '@typescript-eslint/parser'

settings:
  import/parsers:
    '@typescript-eslint/parser': ['.ts']

env:
  browser: true
  node: true
  mocha: true
  es2020: true

globals:
  NodeJS: true
  KOISHI_CONFIG: true

extends:
  - standard

plugins:
  - mocha
  - '@typescript-eslint'

rules:
  array-callback-return: off

  comma-dangle:
    - error
    - always-multiline

  dot-notation: off

  generator-star-spacing:
    - error
    - after

  max-len:
    - warn
    - 160

  multiline-ternary: off

  no-callback-literal: off
  no-mixed-operators: off
  no-use-before-define: off
  no-return-assign: off
  no-sequences: off
  no-useless-escape: off
  one-var: off

  operator-linebreak:
    - error
    - before

  quotes:
    - error
    - single
    - avoidEscape: true
      allowTemplateLiterals: true

  sort-imports:
    - warn
    - ignoreCase: true
      ignoreDeclarationSort: true

  valid-typeof: off

  yield-star-spacing:
    - error
    - after

  # typescript
  import/export: off

  '@typescript-eslint/array-type': error

  default-param-last: off
  '@typescript-eslint/default-param-last': error

  func-call-spacing: off
  '@typescript-eslint/func-call-spacing': error

  keyword-spacing: off
  '@typescript-eslint/keyword-spacing': error

  camelcase: off
  '@typescript-eslint/naming-convention':
    - warn

    # group selectors
    - selector: default
      format: [camelCase, UPPER_CASE]
      leadingUnderscore: allow
    - selector: [variableLike, memberLike]
      format: [camelCase, UPPER_CASE, PascalCase]
      leadingUnderscore: allow
    - selector: [typeLike]
      format: [PascalCase]

    # selectors
    - selector: [function]
      format: [camelCase, PascalCase]
    - selector: [enum]
      format: [UPPER_CASE, PascalCase]
    - selector: [typeParameter]
      format: [PascalCase]
    - selector: [objectLiteralProperty]
      format: null
    - selector: [typeProperty]
      format: null
    - selector: [typeMethod]
      format: null

  # https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-redeclare.md
  no-redeclare: off

  # https://typescript-eslint.io/docs/linting/troubleshooting/#i-get-errors-from-the-no-undef-rule-about-global-variables-not-being-defined-even-though-there-are-no-typescript-errors
  no-undef: off

  indent:
    - warn
    - 2
    - offsetTernaryExpressions: false
      SwitchCase: 1

  no-unused-vars: off
  '@typescript-eslint/no-unused-vars':
    - error
    - args: none

  no-dupe-class-members: off
  '@typescript-eslint/no-dupe-class-members': error

  # https://github.com/typescript-eslint/typescript-eslint/issues/239
  no-inner-declarations: off

  no-useless-constructor: off

  node/no-callback-literal: off

  quote-props: off

  semi: off
  '@typescript-eslint/semi':
    - error
    - never
  '@typescript-eslint/member-delimiter-style':
    - error
    - multiline:
        delimiter: none

  space-before-function-paren: off
  '@typescript-eslint/space-before-function-paren':
    - error
    - anonymous: always
      asyncArrow: always
      named: never
  '@typescript-eslint/type-annotation-spacing': error