@lofty87/eslint-config/rules/typescript.js

Lofty87 Project Code Convention (ESLint)

module.exports = {
  parser: '@typescript-eslint/parser',
  parserOptions: {
    project: './tsconfig.json',
  },
  plugins: [
    '@typescript-eslint',
  ],
  rules: {
    '@typescript-eslint/adjacent-overload-signatures': 'error',
    '@typescript-eslint/await-thenable': 'error',
    '@typescript-eslint/block-spacing': [ 'error', 'always' ],
    '@typescript-eslint/brace-style': [ 'error', '1tbs', { allowSingleLine: true } ],
    '@typescript-eslint/comma-dangle': [ 'error', {
      arrays: 'always-multiline',
      objects: 'always-multiline',
      imports: 'always-multiline',
      exports: 'always-multiline',
      functions: 'never',
      enums: 'always-multiline',
      generics: 'always-multiline',
      tuples: 'always-multiline',
    } ],
    '@typescript-eslint/comma-spacing': [ 'error', { before: false, after: true } ],
    '@typescript-eslint/dot-notation': 'off',
    '@typescript-eslint/explicit-member-accessibility': 'off',
    '@typescript-eslint/func-call-spacing': [ 'error', 'never' ],
    '@typescript-eslint/indent': [ 'error', 2, {
      ArrayExpression: 'first',
      CallExpression: { arguments: 'first' },
      ImportDeclaration: 'first',
      MemberExpression: 0,
      ObjectExpression: 'first',
      SwitchCase: 1,
      VariableDeclarator: 'first',
      flatTernaryExpressions: true,
      offsetTernaryExpressions: false,
      outerIIFEBody: 1,
    } ],
    '@typescript-eslint/keyword-spacing': [ 'error', { before: true, after: true } ],
    '@typescript-eslint/key-spacing': [ 'error', {
      beforeColon: false,
      afterColon: true,
      mode: 'strict',
    } ],
    '@typescript-eslint/lines-between-class-members': [ 'error', { exceptAfterOverload: true } ],
    '@typescript-eslint/member-delimiter-style': [ 'error', {
      singleline: {
        delimiter: 'semi',
        requireLast: true,
      },
      multiline: {
        delimiter: 'semi',
        requireLast: true,
      },
    } ],
    '@typescript-eslint/member-ordering': 'error',
    '@typescript-eslint/method-signature-style': [ 'error', 'property' ],
    '@typescript-eslint/naming-convention': 'off',
    '@typescript-eslint/no-confusing-non-null-assertion': 'error',
    '@typescript-eslint/no-dupe-class-members': 'error',
    '@typescript-eslint/no-duplicate-enum-values': 'error',
    '@typescript-eslint/no-duplicate-type-constituents': 'error',
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/no-extra-non-null-assertion': 'error',
    '@typescript-eslint/no-extra-semi': 'error',
    '@typescript-eslint/no-inferrable-types': 'error',
    '@typescript-eslint/no-misused-new': 'error',
    '@typescript-eslint/no-misused-promises': [ 'error', {
      checksConditionals: true,
      checksVoidReturn: false,
      checksSpreads: true,
    } ],
    '@typescript-eslint/no-non-null-asserted-nullish-coalescing': 'error',
    '@typescript-eslint/no-throw-literal': 'error',
    '@typescript-eslint/no-unnecessary-boolean-literal-compare': 'error',
    '@typescript-eslint/no-unnecessary-condition': [ 'error', { allowConstantLoopConditions: true } ],
    '@typescript-eslint/no-unnecessary-qualifier': 'error',
    '@typescript-eslint/no-unnecessary-type-arguments': 'error',
    '@typescript-eslint/no-unnecessary-type-assertion': 'error',
    '@typescript-eslint/no-unnecessary-type-constraint': 'error',
    '@typescript-eslint/no-unused-expressions': 'off',
    '@typescript-eslint/no-unused-vars': 'off',
    '@typescript-eslint/object-curly-spacing': [ 'error', 'always' ],
    '@typescript-eslint/promise-function-async': 'off',
    '@typescript-eslint/restrict-plus-operands': 'error',
    '@typescript-eslint/semi': [ 'error', 'always' ],
    '@typescript-eslint/sort-type-constituents': 'off',
    '@typescript-eslint/space-before-blocks': 'error',
    '@typescript-eslint/space-before-function-paren': [ 'error', {
      anonymous: 'never',
      named: 'never',
      asyncArrow: 'always',
    } ],
    '@typescript-eslint/space-infix-ops': 'error',
    '@typescript-eslint/type-annotation-spacing': 'error',
    '@typescript-eslint/unified-signatures': 'error',
  },
};