module.exports = { root: true, env: { browser: true, es2020: true, node: true, }, extends: [ 'prettier', 'eslint:recommended', 'plugin:@typescript-eslint/eslint-recommended', 'plugin:@typescript-eslint/recommended', ], ignorePatterns: [ 'node_modules', 'dist', 'coverage', '**/*.js', '**/*.d.ts', ], parser: '@typescript-eslint/parser', parserOptions: { project: 'tsconfig.json', sourceType: 'module', }, plugins: ['@typescript-eslint'], global: { NodeJS: true, }, rules: { '@typescript-eslint/consistent-type-imports': 'error', '@typescript-eslint/no-duplicate-imports': 'error', '@typescript-eslint/prefer-optional-chain': 'error', '@typescript-eslint/no-explicit-any': 'off', '@typescript-eslint/explicit-function-return-type': 'off', '@typescript-eslint/no-non-null-assertion': 'off', '@typescript-eslint/ban-ts-comment': 'off', '@typescript-eslint/no-unused-vars': 'off', '@typescript-eslint/naming-convention': [ 'error', { selector: 'default', format: null }, { selector: 'variable', format: ['camelCase', 'PascalCase', 'UPPER_CASE'], }, { selector: 'typeLike', format: ['PascalCase'] }, ], '@typescript-eslint/explicit-module-boundary-types': 'off', '@typescript-eslint/no-empty-interface': 'off', '@typescript-eslint/adjacent-overload-signatures': 'error', '@typescript-eslint/consistent-type-assertions': 'error', '@typescript-eslint/no-array-constructor': 'error', '@typescript-eslint/no-empty-function': 'error', '@typescript-eslint/no-inferrable-types': 'error', '@typescript-eslint/no-misused-new': 'error', '@typescript-eslint/no-namespace': 'error', '@typescript-eslint/no-this-alias': 'error', '@typescript-eslint/no-use-before-define': 'error', '@typescript-eslint/no-var-requires': 'error', '@typescript-eslint/triple-slash-reference': 'error', '@typescript-eslint/type-annotation-spacing': 'error', '@typescript-eslint/array-type': 'error', '@typescript-eslint/no-unnecessary-qualifier': 'error', '@typescript-eslint/no-unnecessary-type-arguments': 'off', // disabled as it started to be buggy '@typescript-eslint/quotes': [ 'error', 'single', { avoidEscape: true, allowTemplateLiterals: true }, ], '@typescript-eslint/semi': ['error', 'always'], '@typescript-eslint/no-useless-constructor': 'error', '@typescript-eslint/no-redeclare': ['error'], '@typescript-eslint/member-delimiter-style': [ 'error', { multiline: { delimiter: 'semi', requireLast: true }, singleline: { delimiter: 'semi', requireLast: false }, }, ], '@typescript-eslint/space-before-function-paren': [ 'error', { anonymous: 'always', named: 'never', asyncArrow: 'always', }, ], 'arrow-parens': ['error', 'as-needed'], 'no-var': 'error', 'prefer-const': 'error', 'prefer-rest-params': 'error', 'prefer-spread': 'error', 'constructor-super': 'error', 'for-direction': 'error', 'getter-return': 'error', 'no-async-promise-executor': 'error', 'no-case-declarations': 'error', 'no-class-assign': 'error', 'no-compare-neg-zero': 'error', 'no-cond-assign': 'error', 'no-const-assign': 'error', 'no-constant-condition': 'error', 'no-control-regex': 'error', 'no-debugger': 'error', 'no-delete-var': 'error', 'no-dupe-args': 'error', 'no-dupe-keys': 'error', 'no-duplicate-case': 'error', 'no-empty': 'error', 'no-empty-character-class': 'error', 'no-empty-pattern': 'error', 'no-ex-assign': 'error', 'no-extra-boolean-cast': 'error', 'no-extra-semi': 'error', 'no-fallthrough': 'error', 'no-func-assign': 'error', 'no-global-assign': 'error', 'no-inner-declarations': 'error', 'no-invalid-regexp': 'error', 'no-irregular-whitespace': 'error', 'no-misleading-character-class': 'error', 'no-mixed-spaces-and-tabs': 'error', 'no-new-symbol': 'error', 'no-obj-calls': 'error', 'no-octal': 'error', 'no-prototype-builtins': 'error', 'no-redeclare': 'off', 'no-regex-spaces': 'error', 'no-self-assign': 'error', 'no-shadow-restricted-names': 'error', 'no-sparse-arrays': 'error', 'no-this-before-super': 'error', 'no-undef': 'error', 'no-unexpected-multiline': 'error', 'no-unreachable': 'error', 'no-unsafe-finally': 'error', 'no-unsafe-negation': 'error', 'no-unused-labels': 'error', 'no-useless-catch': 'error', 'no-useless-escape': 'error', 'no-with': 'error', 'require-yield': 'error', 'use-isnan': 'error', 'valid-typeof': 'error', // 'comma-dangle': ['error', 'never'], // always-multiline 'dot-notation': 'error', 'eol-last': 'error', eqeqeq: ['error', 'always', { null: 'ignore' }], 'no-console': 'error', 'no-duplicate-imports': 'off', 'no-multiple-empty-lines': 'error', 'no-throw-literal': 'error', 'no-trailing-spaces': 'error', 'no-undef-init': 'error', 'object-shorthand': 'error', 'quote-props': ['error', 'consistent-as-needed'], 'spaced-comment': 'error', yoda: 'error', curly: 'error', 'object-curly-spacing': ['error', 'always'], 'lines-between-class-members': [ 'error', 'always', { exceptAfterSingleLine: true }, ], 'padded-blocks': ['error', { classes: 'never' }], // always 'no-else-return': 'error', 'block-spacing': ['error', 'always'], 'space-before-blocks': ['error', 'always'], 'brace-style': ['error', '1tbs', { allowSingleLine: true }], 'keyword-spacing': ['error', { before: true, after: true }], 'space-in-parens': ['error', 'never'], }, settings: {}, };