// eslint-disable @typescript-eslint/no-var-requires const fs = require('fs'); const path = require('path'); const typescriptEslintRecommended = require('@typescript-eslint/eslint-plugin').configs.recommended; const frontendFolder = __dirname; const dirs = fs .readdirSync(path.join(frontendFolder, 'src'), { withFileTypes: true }) .filter((dirent) => dirent.isDirectory()) .map((dirent) => dirent.name) .join('|'); module.exports = { root: true, parser: '@babel/eslint-parser', env: { browser: true, commonjs: true, node: true, es6: true }, globals: { expect: false, chai: false, sinon: false, JSX: true }, parserOptions: { ecmaVersion: 6, sourceType: 'module', babelOptions: { configFile: `${frontendFolder}/babel.config.js` }, ecmaFeatures: { modules: true, impliedStrict: true } }, plugins: [ 'filenames', 'react', 'react-hooks', 'simple-import-sort', 'import', '@typescript-eslint', 'prettier' ], settings: { react: { version: 'detect' } }, rules: { 'filenames/match-exported': ['error'], // ECMAScript 6 'arrow-body-style': [0], 'arrow-parens': ['error', 'always'], 'arrow-spacing': ['error', { before: true, after: true }], 'constructor-super': 'error', 'generator-star-spacing': 'off', 'no-class-assign': 'error', 'no-confusing-arrow': 'error', 'no-const-assign': 'error', 'no-dupe-class-members': 'error', 'no-duplicate-imports': 'error', 'no-new-symbol': 'error', 'no-this-before-super': 'error', 'no-useless-escape': 'error', 'no-useless-computed-key': 'error', 'no-useless-constructor': 'error', 'no-var': 'warn', 'object-shorthand': ['error', 'properties'], 'prefer-arrow-callback': 'error', 'prefer-const': 'warn', 'prefer-reflect': 'off', 'prefer-rest-params': 'off', 'prefer-spread': 'warn', 'prefer-template': 'error', 'require-yield': 'off', 'template-curly-spacing': ['error', 'never'], 'yield-star-spacing': 'off', // Possible Errors 'comma-dangle': 'error', 'no-cond-assign': 'error', 'no-console': 'off', 'no-constant-condition': 'warn', 'no-control-regex': 'error', 'no-debugger': 'off', 'no-dupe-args': 'error', 'no-dupe-keys': 'error', 'no-duplicate-case': 'error', 'no-empty': 'warn', 'no-empty-character-class': 'error', 'no-ex-assign': 'error', 'no-extra-boolean-cast': 'error', 'no-extra-parens': ['error', 'functions'], 'no-extra-semi': 'error', 'no-func-assign': 'error', 'no-inner-declarations': 'error', 'no-invalid-regexp': 'error', 'no-irregular-whitespace': 'error', 'no-negated-in-lhs': 'error', 'no-obj-calls': 'error', 'no-regex-spaces': 'error', 'no-sparse-arrays': 'error', 'no-unexpected-multiline': 'error', 'no-unreachable': 'warn', 'no-unsafe-finally': 'error', 'use-isnan': 'error', 'valid-jsdoc': 'off', 'valid-typeof': 'error', // Best Practices 'accessor-pairs': 'off', 'array-callback-return': 'warn', 'block-scoped-var': 'warn', 'consistent-return': 'off', curly: 'error', 'default-case': 'error', 'dot-location': ['error', 'property'], 'dot-notation': 'error', eqeqeq: ['error', 'smart'], 'guard-for-in': 'error', 'no-alert': 'warn', 'no-caller': 'error', 'no-case-declarations': 'error', 'no-div-regex': 'error', 'no-else-return': 'error', 'no-empty-function': ['error', { allow: ['arrowFunctions'] }], 'no-empty-pattern': 'error', 'no-eval': 'error', 'no-extend-native': 'error', 'no-extra-bind': 'error', 'no-fallthrough': 'error', 'no-floating-decimal': 'error', 'no-implicit-coercion': ['error', { boolean: false, number: true, string: true, allow: [/* "!!", "~", "*", "+" */] }], 'no-implicit-globals': 'error', 'no-implied-eval': 'error', 'no-invalid-this': 'off', 'no-iterator': 'error', 'no-labels': 'error', 'no-lone-blocks': 'error', 'no-loop-func': 'error', 'no-magic-numbers': ['off', { ignoreArrayIndexes: true, ignore: [0, 1] }], 'no-multi-spaces': 'error', 'no-multi-str': 'error', 'no-native-reassign': ['error', { exceptions: ['console'] }], 'no-new': 'off', 'no-new-func': 'error', 'no-new-wrappers': 'error', 'no-octal': 'error', 'no-octal-escape': 'error', 'no-param-reassign': 'off', 'no-process-env': 'off', 'no-proto': 'error', 'no-redeclare': 'error', 'no-return-assign': 'warn', 'no-script-url': 'error', 'no-self-assign': 'error', 'no-self-compare': 'error', 'no-sequences': 'error', 'no-throw-literal': 'error', 'no-unmodified-loop-condition': 'error', 'no-unused-expressions': 'error', 'no-unused-labels': 'error', 'no-useless-call': 'error', 'no-useless-concat': 'error', 'no-void': 'error', 'no-warning-comments': 'off', 'no-with': 'error', radix: ['error', 'as-needed'], 'vars-on-top': 'off', 'wrap-iife': ['error', 'inside'], yoda: 'error', // Strict Mode strict: ['error', 'never'], // Variables 'init-declarations': ['error', 'always'], 'no-catch-shadow': 'error', 'no-delete-var': 'error', 'no-label-var': 'error', 'no-restricted-globals': 'off', 'no-shadow': 'error', 'no-shadow-restricted-names': 'error', 'no-undef': 'error', 'no-undef-init': 'off', 'no-undefined': 'off', 'no-unused-vars': ['error', { args: 'none', ignoreRestSiblings: true }], 'no-use-before-define': 'error', // Node.js and CommonJS 'callback-return': 'warn', 'global-require': 'error', 'handle-callback-err': 'warn', 'no-mixed-requires': 'error', 'no-new-require': 'error', 'no-path-concat': 'error', 'no-process-exit': 'error', // Stylistic Issues 'array-bracket-spacing': ['error', 'never'], 'block-spacing': ['error', 'always'], 'brace-style': ['error', '1tbs', { allowSingleLine: false }], camelcase: 'off', 'comma-spacing': ['error', { before: false, after: true }], 'comma-style': ['error', 'last'], 'computed-property-spacing': ['error', 'never'], 'consistent-this': ['error', 'self'], 'eol-last': 'error', 'func-names': 'off', 'func-style': ['error', 'declaration', { allowArrowFunctions: true }], indent: ['error', 2, { SwitchCase: 1 }], 'key-spacing': ['error', { beforeColon: false, afterColon: true }], 'keyword-spacing': ['error', { before: true, after: true }], 'lines-around-comment': ['error', { beforeBlockComment: true, afterBlockComment: false }], 'max-depth': ['error', { maximum: 5 }], 'max-nested-callbacks': ['error', 4], 'max-statements': 'off', 'max-statements-per-line': ['error', { max: 1 }], 'new-cap': ['error', { capIsNewExceptions: ['$.Deferred', 'DragDropContext', 'DragLayer', 'DragSource', 'DropTarget'] }], 'new-parens': 'error', 'newline-after-var': 'off', 'newline-before-return': 'off', 'newline-per-chained-call': 'off', 'no-array-constructor': 'error', 'no-bitwise': 'error', 'no-continue': 'error', 'no-inline-comments': 'off', 'no-lonely-if': 'warn', 'no-mixed-spaces-and-tabs': 'error', 'no-multiple-empty-lines': ['error', { max: 1 }], 'no-negated-condition': 'warn', 'no-nested-ternary': 'error', 'no-new-object': 'error', 'no-plusplus': 'off', 'no-restricted-syntax': 'off', 'no-spaced-func': 'error', 'no-ternary': 'off', 'no-trailing-spaces': 'error', 'no-underscore-dangle': ['error', { allowAfterThis: true }], 'no-unneeded-ternary': 'error', 'no-whitespace-before-property': 'error', 'object-curly-spacing': ['error', 'always'], 'one-var': ['error', 'never'], 'one-var-declaration-per-line': ['error', 'always'], 'operator-assignment': ['off', 'never'], 'operator-linebreak': ['error', 'after'], 'quote-props': ['error', 'as-needed'], quotes: ['error', 'single'], 'require-jsdoc': 'off', semi: 'error', 'semi-spacing': ['error', { before: false, after: true }], 'sort-vars': 'off', 'space-before-blocks': ['error', 'always'], 'space-before-function-paren': ['error', 'never'], 'space-in-parens': 'off', 'space-infix-ops': 'off', 'space-unary-ops': 'off', 'spaced-comment': 'error', 'wrap-regex': 'error', // ImportSort 'simple-import-sort/imports': 'error', 'import/newline-after-import': 'error', // React 'react/jsx-boolean-value': [2, 'always'], 'react/jsx-uses-vars': 2, 'react/jsx-closing-bracket-location': 2, 'react/jsx-tag-spacing': ['error'], 'react/jsx-curly-spacing': [2, 'never'], 'react/jsx-equals-spacing': [2, 'never'], 'react/jsx-indent-props': [2, 2], 'react/jsx-indent': [2, 2, { indentLogicalExpressions: true }], 'react/jsx-key': 2, 'react/jsx-no-bind': [2, { allowArrowFunctions: true }], 'react/jsx-no-duplicate-props': [2, { ignoreCase: true }], 'react/jsx-max-props-per-line': [2, { maximum: 2 }], 'react/jsx-handler-names': [2, { eventHandlerPrefix: '(on|dispatch)', eventHandlerPropPrefix: 'on' }], 'react/jsx-no-undef': 2, 'react/jsx-pascal-case': 2, 'react/jsx-uses-react': 2, // Explicitly disabled in case we want to enable them again 'react/no-did-mount-set-state': 0, 'react/no-did-update-set-state': 0, 'react/no-direct-mutation-state': 2, 'react/no-multi-comp': [2, { ignoreStateless: true }], 'react/no-unknown-property': 2, 'react/prefer-es6-class': 2, 'react/prop-types': 2, 'react/react-in-jsx-scope': 2, 'react/self-closing-comp': 2, 'react/sort-comp': 2, 'react/jsx-wrap-multilines': 2, 'react-hooks/rules-of-hooks': 'error', 'react-hooks/exhaustive-deps': 'error' }, overrides: [ { files: [ '*.js' ], rules: { 'simple-import-sort/imports': [ 'error', { groups: [ // Packages // Absolute Paths // Relative Paths // Css ['^@?\\w', `^(${dirs})(/.*|$)`, '^\\.', '^\\..*css$'] ] } ] } }, { files: [ '*.ts', '*.tsx' ], parser: '@typescript-eslint/parser', parserOptions: { project: './tsconfig.json' }, extends: [ 'prettier' ], rules: Object.assign(typescriptEslintRecommended.rules, { '@typescript-eslint/no-unused-vars': [ 'error', { args: 'after-used', argsIgnorePattern: '^_', ignoreRestSiblings: true } ], '@typescript-eslint/explicit-function-return-type': 'off', 'no-shadow': 'off', 'prettier/prettier': 'error', 'simple-import-sort/imports': [ 'error', { groups: [ // Packages // Absolute Paths // Relative Paths // Css ['^@?\\w', `^(${dirs})(/.*|$)`, '^\\.', '^\\..*css$'] ] } ], // React Hooks 'react-hooks/rules-of-hooks': 'error', 'react-hooks/exhaustive-deps': 'error', // React 'react/function-component-definition': 'error', 'react/hook-use-state': 'error', 'react/jsx-boolean-value': ['error', 'always'], 'react/jsx-curly-brace-presence': [ 'error', { props: 'never', children: 'never' } ], 'react/jsx-fragments': 'error', 'react/jsx-handler-names': [ 'error', { eventHandlerPrefix: 'on', eventHandlerPropPrefix: 'on' } ], 'react/jsx-no-bind': ['error', { ignoreRefs: true }], 'react/jsx-no-useless-fragment': ['error', { allowExpressions: true }], 'react/jsx-pascal-case': ['error', { allowAllCaps: true }], 'react/jsx-sort-props': [ 'error', { callbacksLast: true, noSortAlphabetically: true, reservedFirst: true } ], 'react/prop-types': 'off', 'react/self-closing-comp': 'error' }) }, { files: [ '*.css.d.ts' ], rules: { 'filenames/match-exported': 'off', 'init-declarations': 'off', 'prettier/prettier': 'off' } } ] };