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.eslintrc.js
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.eslintrc.js
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/**
* External dependencies
*/
const glob = require( 'glob' ).sync;
const { join } = require( 'path' );
/**
* Internal dependencies
*/
const { version } = require( './package' );
/**
* Regular expression string matching a SemVer string with equal major/minor to
* the current package version. Used in identifying deprecations.
*
* @type {string}
*/
const majorMinorRegExp =
version.replace( /\.\d+$/, '' ).replace( /[\\^$.*+?()[\]{}|]/g, '\\$&' ) +
'(\\.\\d+)?';
/**
* The list of patterns matching files used only for development purposes.
*
* @type {string[]}
*/
const developmentFiles = [
'**/benchmark/**/*.js',
'**/@(__mocks__|__tests__|test)/**/*.[tj]s?(x)',
'**/@(storybook|stories)/**/*.[tj]s?(x)',
'packages/babel-preset-default/bin/**/*.js',
];
// All files from packages that have types provided with TypeScript.
const typedFiles = glob( 'packages/*/package.json' )
.filter( ( fileName ) => require( join( __dirname, fileName ) ).types )
.map( ( fileName ) => fileName.replace( 'package.json', '**/*.js' ) );
const restrictedImports = [
{
name: 'framer-motion',
message:
'Please use the Framer Motion API through `@wordpress/components` instead.',
},
{
name: 'lodash',
message: 'Please use native functionality instead.',
},
{
name: '@ariakit/react',
message:
'Please use Ariakit API through `@wordpress/components` instead.',
},
{
name: 'redux',
importNames: [ 'combineReducers' ],
message: 'Please use `combineReducers` from `@wordpress/data` instead.',
},
{
name: '@emotion/css',
message:
'Please use `@emotion/react` and `@emotion/styled` in order to maintain iframe support. As a replacement for the `cx` function, please use the `useCx` hook defined in `@wordpress/components` instead.',
},
{
name: '@wordpress/edit-post',
message:
"edit-post is a WordPress top level package that shouldn't be imported into other packages",
},
{
name: '@wordpress/edit-site',
message:
"edit-site is a WordPress top level package that shouldn't be imported into other packages",
},
{
name: '@wordpress/edit-widgets',
message:
"edit-widgets is a WordPress top level package that shouldn't be imported into other packages",
},
{
name: 'classnames',
message:
"Please use `clsx` instead. It's a lighter and faster drop-in replacement for `classnames`.",
},
];
const restrictedSyntax = [
// NOTE: We can't include the forward slash in our regex or
// we'll get a `SyntaxError` (Invalid regular expression: \ at end of pattern)
// here. That's why we use \\u002F in the regexes below.
{
selector:
'ImportDeclaration[source.value=/^@wordpress\\u002F.+\\u002F/]',
message: 'Path access on WordPress dependencies is not allowed.',
},
{
selector:
'CallExpression[callee.name="deprecated"] Property[key.name="version"][value.value=/' +
majorMinorRegExp +
'/]',
message:
'Deprecated functions must be removed before releasing this version.',
},
{
selector:
'CallExpression[callee.object.name="page"][callee.property.name="waitFor"]',
message:
'This method is deprecated. You should use the more explicit API methods available.',
},
{
selector:
'CallExpression[callee.object.name="page"][callee.property.name="waitForTimeout"]',
message: 'Prefer page.waitForSelector instead.',
},
{
selector: 'JSXAttribute[name.name="id"][value.type="Literal"]',
message:
'Do not use string literals for IDs; use withInstanceId instead.',
},
{
// Discourage the usage of `Math.random()` as it's a code smell
// for UUID generation, for which we already have a higher-order
// component: `withInstanceId`.
selector:
'CallExpression[callee.object.name="Math"][callee.property.name="random"]',
message:
'Do not use Math.random() to generate unique IDs; use withInstanceId instead. (If you’re not generating unique IDs: ignore this message.)',
},
{
selector:
'CallExpression[callee.name="withDispatch"] > :function > BlockStatement > :not(VariableDeclaration,ReturnStatement)',
message:
'withDispatch must return an object with consistent keys. Avoid performing logic in `mapDispatchToProps`.',
},
{
selector:
'LogicalExpression[operator="&&"][left.property.name="length"][right.type="JSXElement"]',
message:
'Avoid truthy checks on length property rendering, as zero length is rendered verbatim.',
},
];
/** `no-restricted-syntax` rules for components. */
const restrictedSyntaxComponents = [
{
selector:
'JSXOpeningElement[name.name="Button"]:not(:has(JSXAttribute[name.name="accessibleWhenDisabled"])) JSXAttribute[name.name="disabled"]',
message:
'`disabled` used without the `accessibleWhenDisabled` prop. Disabling a control without maintaining focusability can cause accessibility issues, by hiding their presence from screen reader users, or preventing focus from returning to a trigger element. (Ignore this error if you truly mean to disable.)',
},
];
module.exports = {
root: true,
extends: [
'plugin:@wordpress/eslint-plugin/recommended',
'plugin:eslint-comments/recommended',
'plugin:storybook/recommended',
],
globals: {
wp: 'off',
globalThis: 'readonly',
},
settings: {
jsdoc: {
mode: 'typescript',
},
'import/internal-regex': null,
'import/resolver': require.resolve( './tools/eslint/import-resolver' ),
},
rules: {
'jest/expect-expect': 'off',
'react/jsx-boolean-value': 'error',
'react/jsx-curly-brace-presence': [
'error',
{ props: 'never', children: 'never' },
],
'@wordpress/dependency-group': 'error',
'@wordpress/wp-global-usage': 'error',
'@wordpress/react-no-unsafe-timeout': 'error',
'@wordpress/i18n-text-domain': [
'error',
{
allowedTextDomain: 'default',
},
],
'@wordpress/no-unsafe-wp-apis': 'off',
'@wordpress/data-no-store-string-literals': 'error',
'import/default': 'error',
'import/named': 'error',
'no-restricted-imports': [
'error',
{
paths: restrictedImports,
},
],
'@typescript-eslint/no-restricted-imports': [
'error',
{
paths: [
{
name: 'react',
message:
'Please use React API through `@wordpress/element` instead.',
allowTypeImports: true,
},
],
},
],
'@typescript-eslint/consistent-type-imports': [
'error',
{
prefer: 'type-imports',
disallowTypeAnnotations: false,
},
],
'no-restricted-syntax': [ 'error', ...restrictedSyntax ],
},
overrides: [
{
files: [
'**/*.@(android|ios|native).js',
'packages/react-native-*/**/*.js',
...developmentFiles,
],
rules: {
'import/default': 'off',
'import/no-extraneous-dependencies': 'off',
'import/no-unresolved': 'off',
'import/named': 'off',
'@wordpress/data-no-store-string-literals': 'off',
},
},
{
files: [ 'packages/react-native-*/**/*.js' ],
settings: {
'import/ignore': [ 'react-native' ], // Workaround for https://github.com/facebook/react-native/issues/28549.
},
},
{
files: [ 'packages/**/*.js' ],
excludedFiles: [
'packages/block-library/src/*/save.js',
...developmentFiles,
],
rules: {
'react/forbid-elements': [
'error',
{
forbid: [
[ 'circle', 'Circle' ],
[ 'g', 'G' ],
[ 'path', 'Path' ],
[ 'polygon', 'Polygon' ],
[ 'rect', 'Rect' ],
[ 'svg', 'SVG' ],
].map( ( [ element, componentName ] ) => {
return {
element,
message: `use cross-platform <${ componentName } /> component instead.`,
};
} ),
},
],
},
},
{
files: [
'packages/*/src/**/*.[tj]s?(x)',
'storybook/stories/**/*.[tj]s?(x)',
],
excludedFiles: [ '**/*.native.js' ],
rules: {
'no-restricted-syntax': [
'error',
...restrictedSyntax,
...restrictedSyntaxComponents,
],
},
},
{
// Temporary rules until we're ready to officially deprecate the bottom margins.
files: [ 'packages/*/src/**/*.[tj]s?(x)' ],
excludedFiles: [
'packages/components/src/**/@(test|stories)/**',
'**/*.@(native|ios|android).js',
],
rules: {
'no-restricted-syntax': [
'error',
...restrictedSyntax,
...restrictedSyntaxComponents,
...[
'BaseControl',
'CheckboxControl',
'ComboboxControl',
'DimensionControl',
'FocalPointPicker',
'RangeControl',
'SearchControl',
'SelectControl',
'TextControl',
'TextareaControl',
'ToggleControl',
'ToggleGroupControl',
'TreeSelect',
].map( ( componentName ) => ( {
selector: `JSXOpeningElement[name.name="${ componentName }"]:not(:has(JSXAttribute[name.name="__nextHasNoMarginBottom"]))`,
message:
componentName +
' should have the `__nextHasNoMarginBottom` prop to opt-in to the new margin-free styles.',
} ) ),
],
},
},
{
files: [
// Components package.
'packages/components/src/**/*.[tj]s?(x)',
// Navigation block.
'packages/block-library/src/navigation/**/*.[tj]s?(x)',
],
excludedFiles: [ ...developmentFiles ],
rules: {
'react-hooks/exhaustive-deps': 'error',
},
},
{
files: [ 'packages/jest*/**/*.js', '**/test/**/*.js' ],
excludedFiles: [ 'test/e2e/**/*.js', 'test/performance/**/*.js' ],
extends: [ 'plugin:@wordpress/eslint-plugin/test-unit' ],
},
{
files: [ '**/test/**/*.[tj]s?(x)' ],
excludedFiles: [
'**/*.@(android|ios|native).[tj]s?(x)',
'packages/react-native-*/**/*.[tj]s?(x)',
'test/native/**/*.[tj]s?(x)',
'test/e2e/**/*.[tj]s?(x)',
'test/performance/**/*.[tj]s?(x)',
'test/storybook-playwright/**/*.[tj]s?(x)',
],
extends: [
'plugin:jest-dom/recommended',
'plugin:testing-library/react',
'plugin:jest/recommended',
],
},
{
files: [ 'packages/e2e-test*/**/*.js' ],
excludedFiles: [ 'packages/e2e-test-utils-playwright/**/*.js' ],
extends: [ 'plugin:@wordpress/eslint-plugin/test-e2e' ],
rules: {
'jest/expect-expect': 'off',
},
},
{
files: [
'test/e2e/**/*.[tj]s',
'test/performance/**/*.[tj]s',
'packages/e2e-test-utils-playwright/**/*.[tj]s',
],
extends: [
'plugin:@wordpress/eslint-plugin/test-playwright',
'plugin:@typescript-eslint/base',
],
parserOptions: {
tsconfigRootDir: __dirname,
project: [
'./test/e2e/tsconfig.json',
'./test/performance/tsconfig.json',
'./packages/e2e-test-utils-playwright/tsconfig.json',
],
},
rules: {
'@wordpress/no-global-active-element': 'off',
'@wordpress/no-global-get-selection': 'off',
'no-restricted-syntax': [
'error',
{
selector: 'CallExpression[callee.property.name="$"]',
message:
'`$` is discouraged, please use `locator` instead',
},
{
selector: 'CallExpression[callee.property.name="$$"]',
message:
'`$$` is discouraged, please use `locator` instead',
},
{
selector:
'CallExpression[callee.object.name="page"][callee.property.name="waitForTimeout"]',
message: 'Prefer page.locator instead.',
},
],
'playwright/no-conditional-in-test': 'off',
'@typescript-eslint/await-thenable': 'error',
'@typescript-eslint/no-floating-promises': 'error',
'@typescript-eslint/no-misused-promises': 'error',
},
},
{
files: [ 'bin/**/*.js', 'bin/**/*.mjs', 'packages/env/**' ],
rules: {
'no-console': 'off',
},
},
{
files: typedFiles,
rules: {
'jsdoc/no-undefined-types': 'off',
'jsdoc/valid-types': 'off',
},
},
{
files: [
'**/@(storybook|stories)/*',
'packages/components/src/**/*.tsx',
],
rules: {
// Useful to add story descriptions via JSDoc without specifying params,
// or in TypeScript files where params are likely already documented outside of the JSDoc.
'jsdoc/require-param': 'off',
},
},
{
files: [ 'packages/components/src/**' ],
excludedFiles: [
'packages/components/src/utils/colors-values.js',
'packages/components/src/theme/**',
],
rules: {
'no-restricted-syntax': [
'error',
...restrictedSyntax,
...restrictedSyntaxComponents,
{
selector:
':matches(Literal[value=/--wp-admin-theme-/],TemplateElement[value.cooked=/--wp-admin-theme-/])',
message:
'--wp-admin-theme-* variables do not support component theming. Use variables from the COLORS object in packages/components/src/utils/colors-values.js instead.',
},
{
selector:
// Allow overriding definitions, but not access with var()
':matches(Literal[value=/var\\(\\s*--wp-components-color-/],TemplateElement[value.cooked=/var\\(\\s*--wp-components-color-/])',
message:
'To ensure proper fallbacks, --wp-components-color-* variables should not be used directly. Use variables from the COLORS object in packages/components/src/utils/colors-values.js instead.',
},
],
},
},
{
files: [ 'packages/components/src/**' ],
excludedFiles: [ 'packages/components/src/**/@(test|stories)/**' ],
plugins: [ 'ssr-friendly' ],
extends: [ 'plugin:ssr-friendly/recommended' ],
},
{
files: [ 'packages/components/src/**' ],
rules: {
'no-restricted-imports': [
'error',
// The `ariakit` and `framer-motion` APIs are meant to be consumed via
// the `@wordpress/components` package, hence why importing those
// dependencies should be allowed in the components package.
{
paths: restrictedImports.filter(
( { name } ) =>
! [
'@ariakit/react',
'framer-motion',
].includes( name )
),
},
],
},
},
{
files: [ 'packages/block-editor/**' ],
rules: {
'no-restricted-imports': [
'error',
{
paths: [
...restrictedImports,
{
name: '@wordpress/api-fetch',
message:
"block-editor is a generic package that doesn't depend on a server or WordPress backend. To provide WordPress integration, consider passing settings to the BlockEditorProvider components.",
},
{
name: '@wordpress/core-data',
message:
"block-editor is a generic package that doesn't depend on a server or WordPress backend. To provide WordPress integration, consider passing settings to the BlockEditorProvider components.",
},
],
},
],
},
},
{
files: [ 'packages/edit-post/**', 'packages/edit-site/**' ],
rules: {
'no-restricted-imports': [
'error',
{
paths: [
...restrictedImports,
{
name: '@wordpress/interface',
message:
'The edit-post and edit-site package should not directly import the interface package. They should import them from the private APIs of the editor package instead.',
},
],
},
],
},
},
{
files: [ 'packages/interactivity*/src/**' ],
rules: {
'react/react-in-jsx-scope': 'error',
},
},
],
};