const restrictedGlobals = require('confusing-browser-globals');
module.exports = {
root: true,
parser: 'babel-eslint',
plugins: ['prettier', 'import', 'jsx-a11y', 'react', 'react-hooks'],
env: {
browser: true,
commonjs: true,
es6: true,
jest: true,
node: true,
},
parserOptions: {
ecmaVersion: 2018,
sourceType: 'module',
ecmaFeatures: { jsx: true },
},
settings: {
react: { version: 'detect' },
'import/internal-regex':
'^(assets|components|hooks|locales|pages|public|routes|store|theme|types|utils)(/|$)',
},
overrides: [
{
files: ['**/*.ts?(x)'],
parser: '@typescript-eslint/parser',
parserOptions: {
ecmaVersion: 2018,
sourceType: 'module',
ecmaFeatures: { jsx: true },
warnOnUnsupportedTypeScriptVersion: true,
},
plugins: ['@typescript-eslint'],
// If adding a typescript-eslint version of an existing ESLint rule, make sure to disable the ESLint rule here.
rules: {
// TypeScript's `noFallthroughCasesInSwitch` option is more robust (#6906)
'default-case': 'off',
// 'tsc' already handles this
// (https://github.com/typescript-eslint/typescript-eslint/issues/291)
'no-dupe-class-members': 'off',
// 'tsc' already handles this
// (https://github.com/typescript-eslint/typescript-eslint/issues/477)
'no-undef': 'off',
// Add TypeScript specific rules (and turn off ESLint equivalents)
'@typescript-eslint/consistent-type-assertions': 'error',
'no-array-constructor': 'off',
'@typescript-eslint/no-array-constructor': 'error',
'no-use-before-define': 'off',
'@typescript-eslint/no-use-before-define': [
'error',
{
functions: false,
classes: false,
variables: false,
typedefs: false,
},
],
'no-unused-expressions': 'off',
'@typescript-eslint/no-unused-expressions': [
'error',
{
allowShortCircuit: true,
allowTernary: true,
allowTaggedTemplates: true,
},
],
'no-unused-vars': 'off',
'@typescript-eslint/no-unused-vars': [
'error',
{
args: 'none',
ignoreRestSiblings: true,
},
],
'no-useless-constructor': 'off',
'@typescript-eslint/no-useless-constructor': 'error',
},
},
],
// NOTE: When adding rules here,
// you need to make sure they are compatible with `typescript-eslint`,
// as some rules such as `no-array-constructor` aren't compatible.
rules: {
// http://eslint.org/docs/rules/
'array-bracket-newline': ['error', 'consistent'],
'array-bracket-spacing': 'error',
'array-callback-return': 'error',
'arrow-parens': ['error', 'always'],
'arrow-spacing': 'error',
'comma-dangle': ['error', 'always-multiline'],
'comma-spacing': 'error',
complexity: ['error', { max: 50 }],
curly: 'error',
'default-case': ['error', { commentPattern: '^no default$' }],
'dot-location': ['error', 'property'],
'eol-last': ['error', 'always'],
eqeqeq: ['error', 'smart'],
'getter-return': 'error',
indent: ['off', 2, { SwitchCase: 1 }],
'linebreak-style': 'error',
'max-classes-per-file': 'error',
'max-depth': ['error', { max: 5 }],
'max-len': [
'error',
{
code: 80,
tabWidth: 2,
ignoreComments: true,
ignoreUrls: true,
ignoreStrings: true,
ignoreTemplateLiterals: true,
ignoreRegExpLiterals: true,
},
],
'max-lines': ['error', { max: 500 }],
'max-lines-per-function': ['error', { max: 300 }],
'max-statements-per-line': ['error', { max: 1 }],
'new-parens': 'error',
'no-array-constructor': 'error',
'no-caller': 'error',
'no-cond-assign': ['error', 'except-parens'],
'no-const-assign': 'error',
'no-constant-condition': ['error', { checkLoops: false }],
'no-control-regex': 'error',
'no-delete-var': 'error',
'no-dupe-args': 'error',
'no-dupe-class-members': 'error',
'no-dupe-keys': 'error',
'no-duplicate-case': 'error',
'no-duplicate-imports': 'error',
'no-empty-character-class': 'error',
'no-empty-pattern': 'error',
'no-eval': 'error',
'no-ex-assign': 'error',
'no-extend-native': 'error',
'no-extra-bind': 'error',
'no-extra-label': 'error',
'no-fallthrough': 'error',
'no-func-assign': 'error',
'no-implied-eval': 'error',
'no-import-assign': 'error',
'no-inline-comments': 'error',
'no-invalid-regexp': 'error',
'no-iterator': 'error',
'no-label-var': 'error',
'no-labels': ['error', { allowLoop: true, allowSwitch: false }],
'no-lone-blocks': 'error',
'no-loop-func': 'error',
'no-mixed-operators': [
'error',
{
groups: [
['&', '|', '^', '~', '<<', '>>', '>>>'],
['==', '!=', '===', '!==', '>', '>=', '<', '<='],
['&&', '||'],
['in', 'instanceof'],
],
allowSamePrecedence: false,
},
],
'no-multi-assign': 'error',
'no-multi-spaces': 'error',
'no-multi-str': 'error',
'no-multiple-empty-lines': ['error', { max: 1 }],
'no-native-reassign': 'error',
'no-negated-in-lhs': 'error',
'no-new-func': 'error',
'no-new-object': 'error',
'no-new-symbol': 'error',
'no-new-wrappers': 'error',
'no-obj-calls': 'error',
'no-octal': 'error',
'no-octal-escape': 'error',
// TODO: Remove this option in the next major release of CRA.
// https://eslint.org/docs/user-guide/migrating-to-6.0.0#-the-no-redeclare-rule-is-now-more-strict-by-default
'no-redeclare': ['error', { builtinGlobals: false }],
'no-regex-spaces': 'error',
'no-restricted-syntax': ['error', 'WithStatement'],
'no-restricted-globals': ['error'].concat(restrictedGlobals),
'no-restricted-properties': [
'error',
{
object: 'require',
property: 'ensure',
message:
'Please use import() instead. More info: https://facebook.github.io/create-react-app/docs/code-splitting',
},
{
object: 'System',
property: 'import',
message:
'Please use import() instead. More info: https://facebook.github.io/create-react-app/docs/code-splitting',
},
],
'no-script-url': 'error',
'no-self-assign': 'error',
'no-self-compare': 'error',
'no-sequences': 'error',
'no-shadow': 'error',
'no-shadow-restricted-names': 'error',
'no-sparse-arrays': 'error',
'no-template-curly-in-string': 'error',
'no-this-before-super': 'error',
'no-throw-literal': 'error',
'no-undef': 'error',
'no-unexpected-multiline': 'error',
'no-unreachable': 'error',
'no-unused-expressions': [
'error',
{
allowShortCircuit: true,
allowTernary: true,
allowTaggedTemplates: true,
},
],
'no-unused-labels': 'error',
'no-unused-vars': [
'error',
{
args: 'none',
ignoreRestSiblings: true,
},
],
'no-use-before-define': [
'error',
{
functions: false,
classes: false,
variables: false,
},
],
'no-useless-call': 'error',
'no-useless-computed-key': 'error',
'no-useless-concat': 'error',
'no-useless-constructor': 'error',
'no-useless-escape': 'error',
'no-useless-rename': [
'error',
{
ignoreDestructuring: false,
ignoreImport: false,
ignoreExport: false,
},
],
'no-var': 'error',
'no-with': 'error',
'no-whitespace-before-property': 'error',
'object-curly-newline': ['error', { multiline: true, consistent: true }],
'object-curly-spacing': ['error', 'always'],
'object-property-newline': [
'error',
{ allowAllPropertiesOnSameLine: true },
],
'object-shorthand': [
'error',
'always',
{ avoidQuotes: true, ignoreConstructors: false },
],
'operator-linebreak': 'error',
'one-var': ['error', 'never'],
'one-var-declaration-per-line': ['error', 'always'],
'padding-line-between-statements': [
'error',
{
blankLine: 'always',
prev: '*',
next: '*',
},
{
blankLine: 'any',
prev: 'import',
next: 'import',
},
{
blankLine: 'any',
prev: 'export',
next: 'export',
},
{
blankLine: 'any',
prev: 'const',
next: 'const',
},
{
blankLine: 'any',
prev: 'let',
next: 'let',
},
{
blankLine: 'any',
prev: 'expression',
next: 'expression',
},
{
blankLine: 'any',
prev: '*',
next: ['case', 'default'],
},
],
'prefer-arrow-callback': 'error',
'prefer-const': 'error',
'prefer-destructuring': 'error',
'prefer-regex-literals': 'error',
'prefer-spread': 'error',
'prefer-template': 'error',
quotes: ['error', 'single'],
'quote-props': ['error', 'as-needed'],
radix: 'error',
'require-yield': 'error',
'rest-spread-spacing': ['error', 'never'],
semi: ['error', 'always'],
'semi-spacing': 'error',
'semi-style': ['error', 'last'],
'sort-imports': [
'error',
{
ignoreCase: true,
ignoreDeclarationSort: true,
},
],
'keyword-spacing': 'error',
'space-in-parens': 'error',
'space-infix-ops': 'error',
'spaced-comment': ['error', 'always', { markers: ['/'] }],
strict: ['error', 'never'],
'template-curly-spacing': ['error', 'never'],
'unicode-bom': ['error', 'never'],
'use-isnan': 'error',
'valid-typeof': 'error',
'react-hooks/exhaustive-deps': 'error',
'react-hooks/rules-of-hooks': 'error',
// https://github.com/benmosher/eslint-plugin-import/tree/master/docs/rules
'import/first': 'error',
'import/no-amd': 'error',
'import/no-cycle': 'error',
'import/no-default-export': 'error',
'import/no-deprecated': 'error',
'import/no-duplicates': 'error',
'import/no-extraneous-dependencies': 'error',
'import/no-unused-modules': 'error',
'import/no-useless-path-segments': 'error',
'import/no-webpack-loader-syntax': 'error',
'import/order': [
'error',
{
groups: [
'builtin',
'external',
'internal',
['parent', 'sibling'],
'index',
],
pathGroups: [
{
pattern: 'react',
group: 'external',
position: 'before',
},
{
pattern: 'next',
group: 'external',
position: 'before',
},
{
pattern: '@material-ui/**/*',
group: 'external',
position: 'before',
},
{
pattern: '@ide/**/*',
group: 'external',
position: 'before',
},
],
pathGroupsExcludedImportTypes: ['react'],
'newlines-between': 'never',
alphabetize: {
order: 'asc',
caseInsensitive: true,
},
},
],
'react/forbid-foreign-prop-types': ['error', { allowInPropTypes: true }],
'react/jsx-filename-extension': ['error', { extensions: ['.jsx', '.tsx'] }],
'react/jsx-indent': ['error', 2],
'react/jsx-indent-props': ['error', 2],
'react/jsx-no-comment-textnodes': 'error',
'react/jsx-no-duplicate-props': 'error',
'react/jsx-no-target-blank': 'error',
'react/jsx-no-undef': 'error',
'react/jsx-pascal-case': [
'error',
{
allowAllCaps: true,
ignore: [],
},
],
'react/jsx-uses-react': 'error',
'react/jsx-uses-vars': 'error',
'react/no-danger-with-children': 'error',
'react/no-direct-mutation-state': 'error',
'react/no-is-mounted': 'error',
'react/no-typos': 'error',
'react/react-in-jsx-scope': 'error',
'react/require-render-return': 'error',
'react/self-closing-comp': [
'error',
{
component: true,
html: true,
},
],
'react/style-prop-object': 'error',
'jsx-a11y/accessible-emoji': 'error',
'jsx-a11y/alt-text': 'error',
'jsx-a11y/anchor-has-content': 'error',
'jsx-a11y/anchor-is-valid': 'off',
'jsx-a11y/aria-activedescendant-has-tabindex': 'error',
'jsx-a11y/aria-props': 'error',
'jsx-a11y/aria-proptypes': 'error',
'jsx-a11y/aria-role': ['error', { ignoreNonDOM: true }],
'jsx-a11y/aria-unsupported-elements': 'error',
'jsx-a11y/heading-has-content': 'error',
'jsx-a11y/iframe-has-title': 'error',
'jsx-a11y/img-redundant-alt': 'error',
'jsx-a11y/no-access-key': 'error',
'jsx-a11y/no-distracting-elements': 'error',
'jsx-a11y/no-redundant-roles': 'error',
'jsx-a11y/role-has-required-aria-props': 'error',
'jsx-a11y/role-supports-aria-props': 'error',
'jsx-a11y/scope': 'error',
'prettier/prettier': 'error',
},
};
