inital commit

This commit is contained in:
2026-01-01 15:25:19 +05:30
commit f0ae49465a
36361 changed files with 4894111 additions and 0 deletions

View File

@@ -0,0 +1,51 @@
"use strict";
var _definerule = require("../utils/define-rule");
var _nodeattributes = /*#__PURE__*/ _interop_require_default(require("../utils/node-attributes"));
function _interop_require_default(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
var url = 'https://nextjs.org/docs/messages/google-font-display';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Enforce font-display behavior with Google Fonts.',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
return {
JSXOpeningElement: function JSXOpeningElement(node) {
var message;
if (node.name.name !== 'link') {
return;
}
var attributes = new _nodeattributes.default(node);
if (!attributes.has('href') || !attributes.hasValue('href')) {
return;
}
var hrefValue = attributes.value('href');
var isGoogleFont = typeof hrefValue === 'string' && hrefValue.startsWith('https://fonts.googleapis.com/css');
if (isGoogleFont) {
var params = new URLSearchParams(hrefValue.split('?', 2)[1]);
var displayValue = params.get('display');
if (!params.has('display')) {
message = 'A font-display parameter is missing (adding `&display=optional` is recommended).';
} else if (displayValue === 'auto' || displayValue === 'block' || displayValue === 'fallback') {
message = "".concat(displayValue[0].toUpperCase() + displayValue.slice(1), " is not recommended.");
}
}
if (message) {
context.report({
node: node,
message: "".concat(message, " See: ").concat(url)
});
}
}
};
}
});

View File

@@ -0,0 +1,41 @@
"use strict";
var _definerule = require("../utils/define-rule");
var _nodeattributes = /*#__PURE__*/ _interop_require_default(require("../utils/node-attributes"));
function _interop_require_default(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
var url = 'https://nextjs.org/docs/messages/google-font-preconnect';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Ensure `preconnect` is used with Google Fonts.',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
return {
JSXOpeningElement: function JSXOpeningElement(node) {
if (node.name.name !== 'link') {
return;
}
var attributes = new _nodeattributes.default(node);
if (!attributes.has('href') || !attributes.hasValue('href')) {
return;
}
var hrefValue = attributes.value('href');
var preconnectMissing = !attributes.has('rel') || !attributes.hasValue('rel') || attributes.value('rel') !== 'preconnect';
if (typeof hrefValue === 'string' && hrefValue.startsWith('https://fonts.gstatic.com') && preconnectMissing) {
context.report({
node: node,
message: '`rel="preconnect"` is missing from Google Font. See: '.concat(url)
});
}
}
};
}
});

View File

@@ -0,0 +1,59 @@
"use strict";
var _definerule = require("../utils/define-rule");
var url = 'https://nextjs.org/docs/messages/inline-script-id';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Enforce `id` attribute on `next/script` components with inline content.',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
var nextScriptImportName = null;
return {
ImportDeclaration: function ImportDeclaration(node) {
if (node.source.value === 'next/script') {
nextScriptImportName = node.specifiers[0].local.name;
}
},
JSXElement: function JSXElement(node) {
if (nextScriptImportName == null) return;
if (node.openingElement && node.openingElement.name && node.openingElement.name.name !== nextScriptImportName) {
return;
}
var attributeNames = new Set();
var hasNonCheckableSpreadAttribute = false;
node.openingElement.attributes.forEach(function(attribute) {
// Early return if we already have a non-checkable spread attribute, for better performance
if (hasNonCheckableSpreadAttribute) return;
if (attribute.type === 'JSXAttribute') {
attributeNames.add(attribute.name.name);
} else if (attribute.type === 'JSXSpreadAttribute') {
if (attribute.argument && attribute.argument.properties) {
attribute.argument.properties.forEach(function(property) {
attributeNames.add(property.key.name);
});
} else {
// JSXSpreadAttribute without properties is not checkable
hasNonCheckableSpreadAttribute = true;
}
}
});
// https://github.com/vercel/next.js/issues/34030
// If there is a non-checkable spread attribute, we simply ignore them
if (hasNonCheckableSpreadAttribute) return;
if (node.children.length > 0 || attributeNames.has('dangerouslySetInnerHTML')) {
if (!attributeNames.has('id')) {
context.report({
node: node,
message: "`next/script` components with inline content must specify an `id` attribute. See: ".concat(url)
});
}
}
}
};
}
});

View File

@@ -0,0 +1,70 @@
"use strict";
var _definerule = require("../utils/define-rule");
var _nodeattributes = /*#__PURE__*/ _interop_require_default(require("../utils/node-attributes"));
function _interop_require_default(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
var SUPPORTED_SRCS = [
'www.google-analytics.com/analytics.js',
'www.googletagmanager.com/gtag/js'
];
var SUPPORTED_HTML_CONTENT_URLS = [
'www.google-analytics.com/analytics.js',
'www.googletagmanager.com/gtm.js'
];
var description = 'Prefer `next/script` component when using the inline script for Google Analytics.';
var url = 'https://nextjs.org/docs/messages/next-script-for-ga';
var ERROR_MSG = "".concat(description, " See: ").concat(url);
// Check if one of the items in the list is a substring of the passed string
var containsStr = function(str, strList) {
return strList.some(function(s) {
return str.includes(s);
});
};
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: description,
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
return {
JSXOpeningElement: function JSXOpeningElement(node) {
if (node.name.name !== 'script') {
return;
}
if (node.attributes.length === 0) {
return;
}
var attributes = new _nodeattributes.default(node);
// Check if the Alternative async tag is being used to add GA.
// https://developers.google.com/analytics/devguides/collection/analyticsjs#alternative_async_tag
// https://developers.google.com/analytics/devguides/collection/gtagjs
if (typeof attributes.value('src') === 'string' && containsStr(attributes.value('src'), SUPPORTED_SRCS)) {
return context.report({
node: node,
message: ERROR_MSG
});
}
// Check if inline script is being used to add GA.
// https://developers.google.com/analytics/devguides/collection/analyticsjs#the_google_analytics_tag
// https://developers.google.com/tag-manager/quickstart
if (attributes.value('dangerouslySetInnerHTML') && attributes.value('dangerouslySetInnerHTML').length > 0) {
var htmlContent = attributes.value('dangerouslySetInnerHTML')[0].value.quasis && attributes.value('dangerouslySetInnerHTML')[0].value.quasis[0].value.raw;
if (htmlContent && containsStr(htmlContent, SUPPORTED_HTML_CONTENT_URLS)) {
context.report({
node: node,
message: ERROR_MSG
});
}
}
}
};
}
});

View File

@@ -0,0 +1,35 @@
"use strict";
var _definerule = require("../utils/define-rule");
var url = 'https://nextjs.org/docs/messages/no-assign-module-variable';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent assignment to the `module` variable.',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
return {
VariableDeclaration: function VariableDeclaration(node) {
// Checks node.declarations array for variable with id.name of `module`
var moduleVariableFound = node.declarations.some(function(declaration) {
if ('name' in declaration.id) {
return declaration.id.name === 'module';
}
return false;
});
// Return early if no `module` variable is found
if (!moduleVariableFound) {
return;
}
context.report({
node: node,
message: "Do not assign to the variable `module`. See: ".concat(url)
});
}
};
}
});

View File

@@ -0,0 +1,90 @@
"use strict";
var _definerule = require("../utils/define-rule");
var url = 'https://nextjs.org/docs/messages/no-async-client-component';
var description = 'Prevent client components from being async functions.';
var message = "".concat(description, " See: ").concat(url);
function isCapitalized(str) {
return /[A-Z]/.test(str === null || str === void 0 ? void 0 : str[0]);
}
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: description,
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
return {
Program: function Program(node) {
var isClientComponent = false;
var _iteratorNormalCompletion = true, _didIteratorError = false, _iteratorError = undefined;
try {
var _loop = function() {
var block = _step.value;
if (block.type === 'ExpressionStatement' && block.expression.type === 'Literal' && block.expression.value === 'use client') {
isClientComponent = true;
}
if (block.type === 'ExportDefaultDeclaration' && isClientComponent) {
var _block_declaration;
// export default async function MyComponent() {...}
if (((_block_declaration = block.declaration) === null || _block_declaration === void 0 ? void 0 : _block_declaration.type) === 'FunctionDeclaration' && block.declaration.async && isCapitalized(block.declaration.id.name)) {
context.report({
node: block,
message: message
});
}
// async function MyComponent() {...}; export default MyComponent;
if (block.declaration.type === 'Identifier' && isCapitalized(block.declaration.name)) {
var targetName = block.declaration.name;
var functionDeclaration = node.body.find(function(localBlock) {
if (localBlock.type === 'FunctionDeclaration' && localBlock.id.name === targetName) return true;
if (localBlock.type === 'VariableDeclaration' && localBlock.declarations.find(function(declaration) {
var _declaration_id;
return ((_declaration_id = declaration.id) === null || _declaration_id === void 0 ? void 0 : _declaration_id.type) === 'Identifier' && declaration.id.name === targetName;
})) return true;
return false;
});
if ((functionDeclaration === null || functionDeclaration === void 0 ? void 0 : functionDeclaration.type) === 'FunctionDeclaration' && functionDeclaration.async) {
context.report({
node: functionDeclaration,
message: message
});
}
if ((functionDeclaration === null || functionDeclaration === void 0 ? void 0 : functionDeclaration.type) === 'VariableDeclaration') {
var _varDeclarator_init;
var varDeclarator = functionDeclaration.declarations.find(function(declaration) {
var _declaration_id;
return ((_declaration_id = declaration.id) === null || _declaration_id === void 0 ? void 0 : _declaration_id.type) === 'Identifier' && declaration.id.name === targetName;
});
if ((varDeclarator === null || varDeclarator === void 0 ? void 0 : (_varDeclarator_init = varDeclarator.init) === null || _varDeclarator_init === void 0 ? void 0 : _varDeclarator_init.type) === 'ArrowFunctionExpression' && varDeclarator.init.async) {
context.report({
node: functionDeclaration,
message: message
});
}
}
}
}
};
for(var _iterator = node.body[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true)_loop();
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally{
try {
if (!_iteratorNormalCompletion && _iterator.return != null) {
_iterator.return();
}
} finally{
if (_didIteratorError) {
throw _iteratorError;
}
}
}
}
};
}
});

View File

@@ -0,0 +1,95 @@
"use strict";
var _definerule = require("../utils/define-rule");
var _path = /*#__PURE__*/ _interop_require_wildcard(require("path"));
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== "function") return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function(nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interop_require_wildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
return {
default: obj
};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {
__proto__: null
};
var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
for(var key in obj){
if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
var url = 'https://nextjs.org/docs/messages/no-before-interactive-script-outside-document';
var convertToCorrectSeparator = function(str) {
return str.replace(/[\\/]/g, _path.sep);
};
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: "Prevent usage of `next/script`'s `beforeInteractive` strategy outside of `pages/_document.js`.",
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
var scriptImportName = null;
return {
'ImportDeclaration[source.value="next/script"] > ImportDefaultSpecifier': function(node) {
scriptImportName = node.local.name;
},
JSXOpeningElement: function JSXOpeningElement(node) {
var pathname = convertToCorrectSeparator(context.filename);
var isInAppDir = pathname.includes("".concat(_path.sep, "app").concat(_path.sep));
// This rule shouldn't fire in `app/`
if (isInAppDir) {
return;
}
if (!scriptImportName) {
return;
}
if (node.name && node.name.name !== scriptImportName) {
return;
}
var strategy = node.attributes.find(function(child) {
return child.name && child.name.name === 'strategy';
});
if (!strategy || !strategy.value || strategy.value.value !== 'beforeInteractive') {
return;
}
var document = context.filename.split('pages', 2)[1];
if (document && _path.parse(document).name.startsWith('_document')) {
return;
}
context.report({
node: node,
message: "`next/script`'s `beforeInteractive` strategy should not be used outside of `pages/_document.js`. See: ".concat(url)
});
}
};
}
});

View File

@@ -0,0 +1,39 @@
"use strict";
var _definerule = require("../utils/define-rule");
var url = 'https://nextjs.org/docs/messages/no-css-tags';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent manual stylesheet tags.',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
return {
JSXOpeningElement: function JSXOpeningElement(node) {
if (node.name.name !== 'link') {
return;
}
if (node.attributes.length === 0) {
return;
}
var attributes = node.attributes.filter(function(attr) {
return attr.type === 'JSXAttribute';
});
if (attributes.find(function(attr) {
return attr.name.name === 'rel' && attr.value.value === 'stylesheet';
}) && attributes.find(function(attr) {
return attr.name.name === 'href' && attr.value.type === 'Literal' && !/^https?/.test(attr.value.value);
})) {
context.report({
node: node,
message: "Do not include stylesheets manually. See: ".concat(url)
});
}
}
};
}
});

View File

@@ -0,0 +1,74 @@
"use strict";
var _definerule = require("../utils/define-rule");
var _path = /*#__PURE__*/ _interop_require_wildcard(require("path"));
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== "function") return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function(nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interop_require_wildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
return {
default: obj
};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {
__proto__: null
};
var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
for(var key in obj){
if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
var url = 'https://nextjs.org/docs/messages/no-document-import-in-page';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent importing `next/document` outside of `pages/_document.js`.',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
return {
ImportDeclaration: function ImportDeclaration(node) {
if (node.source.value !== 'next/document') {
return;
}
var paths = context.filename.split('pages');
var page = paths[paths.length - 1];
if (!page || page.startsWith("".concat(_path.sep, "_document")) || page.startsWith("".concat(_path.posix.sep, "_document"))) {
return;
}
context.report({
node: node,
message: "`<Document />` from `next/document` should not be imported outside of `pages/_document.js`. See: ".concat(url)
});
}
};
}
});

View File

@@ -0,0 +1,54 @@
"use strict";
var _definerule = require("../utils/define-rule");
var url = 'https://nextjs.org/docs/messages/no-duplicate-head';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent duplicate usage of `<Head>` in `pages/_document.js`.',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
var sourceCode = context.sourceCode;
var documentImportName;
return {
ImportDeclaration: function ImportDeclaration(node) {
if (node.source.value === 'next/document') {
var documentImport = node.specifiers.find(function(param) {
var type = param.type;
return type === 'ImportDefaultSpecifier';
});
if (documentImport && documentImport.local) {
documentImportName = documentImport.local.name;
}
}
},
ReturnStatement: function ReturnStatement(node) {
var ancestors = sourceCode.getAncestors(node);
var documentClass = ancestors.find(function(ancestorNode) {
return ancestorNode.type === 'ClassDeclaration' && ancestorNode.superClass && 'name' in ancestorNode.superClass && ancestorNode.superClass.name === documentImportName;
});
if (!documentClass) {
return;
}
if (node.argument && 'children' in node.argument && node.argument.children) {
// @ts-expect-error - `node.argument` could be a `JSXElement` which has property `children`
var headComponents = node.argument.children.filter(function(childrenNode) {
return childrenNode.openingElement && childrenNode.openingElement.name && childrenNode.openingElement.name.name === 'Head';
});
if (headComponents.length > 1) {
for(var i = 1; i < headComponents.length; i++){
context.report({
node: headComponents[i],
message: "Do not include multiple instances of `<Head/>`. See: ".concat(url)
});
}
}
}
}
};
}
});

View File

@@ -0,0 +1,34 @@
"use strict";
var _definerule = require("../utils/define-rule");
var path = require("path");
var url = 'https://nextjs.org/docs/messages/no-head-element';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent usage of `<head>` element.',
category: 'HTML',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
return {
JSXOpeningElement: function JSXOpeningElement(node) {
var paths = context.filename;
var isInAppDir = function() {
return paths.includes("app".concat(path.sep)) || paths.includes("app".concat(path.posix.sep));
};
// Only lint the <head> element in pages directory
if (node.name.name !== 'head' || isInAppDir()) {
return;
}
context.report({
node: node,
message: "Do not use `<head>` element. Use `<Head />` from `next/head` instead. See: ".concat(url)
});
}
};
}
});

View File

@@ -0,0 +1,76 @@
"use strict";
var _definerule = require("../utils/define-rule");
var _path = /*#__PURE__*/ _interop_require_wildcard(require("path"));
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== "function") return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function(nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interop_require_wildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
return {
default: obj
};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {
__proto__: null
};
var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
for(var key in obj){
if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
var url = 'https://nextjs.org/docs/messages/no-head-import-in-document';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent usage of `next/head` in `pages/_document.js`.',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
return {
ImportDeclaration: function ImportDeclaration(node) {
if (node.source.value !== 'next/head') {
return;
}
var document = context.filename.split('pages', 2)[1];
if (!document) {
return;
}
var _path_parse = _path.parse(document), name = _path_parse.name, dir = _path_parse.dir;
if (name.startsWith('_document') || dir === '/_document' && name === 'index') {
context.report({
node: node,
message: "`next/head` should not be imported in `pages".concat(document, "`. Use `<Head />` from `next/document` instead. See: ").concat(url)
});
}
}
};
}
});

View File

@@ -0,0 +1,236 @@
"use strict";
var _definerule = require("../utils/define-rule");
var _path = /*#__PURE__*/ _interop_require_wildcard(require("path"));
var _fs = /*#__PURE__*/ _interop_require_wildcard(require("fs"));
var _getrootdirs = require("../utils/get-root-dirs");
var _url = require("../utils/url");
function _array_like_to_array(arr, len) {
if (len == null || len > arr.length) len = arr.length;
for(var i = 0, arr2 = new Array(len); i < len; i++)arr2[i] = arr[i];
return arr2;
}
function _array_with_holes(arr) {
if (Array.isArray(arr)) return arr;
}
function _array_without_holes(arr) {
if (Array.isArray(arr)) return _array_like_to_array(arr);
}
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== "function") return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function(nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interop_require_wildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
return {
default: obj
};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {
__proto__: null
};
var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
for(var key in obj){
if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
function _iterable_to_array(iter) {
if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
}
function _iterable_to_array_limit(arr, i) {
var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"];
if (_i == null) return;
var _arr = [];
var _n = true;
var _d = false;
var _s, _e;
try {
for(_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true){
_arr.push(_s.value);
if (i && _arr.length === i) break;
}
} catch (err) {
_d = true;
_e = err;
} finally{
try {
if (!_n && _i["return"] != null) _i["return"]();
} finally{
if (_d) throw _e;
}
}
return _arr;
}
function _non_iterable_rest() {
throw new TypeError("Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
function _non_iterable_spread() {
throw new TypeError("Invalid attempt to spread non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
}
function _sliced_to_array(arr, i) {
return _array_with_holes(arr) || _iterable_to_array_limit(arr, i) || _unsupported_iterable_to_array(arr, i) || _non_iterable_rest();
}
function _to_consumable_array(arr) {
return _array_without_holes(arr) || _iterable_to_array(arr) || _unsupported_iterable_to_array(arr) || _non_iterable_spread();
}
function _unsupported_iterable_to_array(o, minLen) {
if (!o) return;
if (typeof o === "string") return _array_like_to_array(o, minLen);
var n = Object.prototype.toString.call(o).slice(8, -1);
if (n === "Object" && o.constructor) n = o.constructor.name;
if (n === "Map" || n === "Set") return Array.from(n);
if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _array_like_to_array(o, minLen);
}
var pagesDirWarning = (0, _url.execOnce)(function(pagesDirs) {
console.warn("Pages directory cannot be found at ".concat(pagesDirs.join(' or '), ". ") + 'If using a custom path, please configure with the `no-html-link-for-pages` rule in your eslint config file.');
});
// Cache for fs.existsSync lookup.
// Prevent multiple blocking IO requests that have already been calculated.
var fsExistsSyncCache = {};
var memoize = function(fn) {
var cache = {};
return function() {
for(var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++){
args[_key] = arguments[_key];
}
var key = JSON.stringify(args);
if (cache[key] === undefined) {
cache[key] = fn.apply(void 0, _to_consumable_array(args));
}
return cache[key];
};
};
var cachedGetUrlFromPagesDirectories = memoize(_url.getUrlFromPagesDirectories);
var cachedGetUrlFromAppDirectory = memoize(_url.getUrlFromAppDirectory);
var url = 'https://nextjs.org/docs/messages/no-html-link-for-pages';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent usage of `<a>` elements to navigate to internal Next.js pages.',
category: 'HTML',
recommended: true,
url: url
},
type: 'problem',
schema: [
{
oneOf: [
{
type: 'string'
},
{
type: 'array',
uniqueItems: true,
items: {
type: 'string'
}
}
]
}
]
},
/**
* Creates an ESLint rule listener.
*/ create: function create(context) {
var ruleOptions = context.options;
var _ruleOptions = _sliced_to_array(ruleOptions, 1), customPagesDirectory = _ruleOptions[0];
var rootDirs = (0, _getrootdirs.getRootDirs)(context);
var pagesDirs = (customPagesDirectory ? [
customPagesDirectory
] : rootDirs.map(function(dir) {
return [
_path.join(dir, 'pages'),
_path.join(dir, 'src', 'pages')
];
})).flat();
var foundPagesDirs = pagesDirs.filter(function(dir) {
if (fsExistsSyncCache[dir] === undefined) {
fsExistsSyncCache[dir] = _fs.existsSync(dir);
}
return fsExistsSyncCache[dir];
});
var appDirs = rootDirs.map(function(dir) {
return [
_path.join(dir, 'app'),
_path.join(dir, 'src', 'app')
];
}).flat();
var foundAppDirs = appDirs.filter(function(dir) {
if (fsExistsSyncCache[dir] === undefined) {
fsExistsSyncCache[dir] = _fs.existsSync(dir);
}
return fsExistsSyncCache[dir];
});
// warn if there are no pages and app directories
if (foundPagesDirs.length === 0 && foundAppDirs.length === 0) {
pagesDirWarning(pagesDirs);
return {};
}
var pageUrls = cachedGetUrlFromPagesDirectories('/', foundPagesDirs);
var appDirUrls = cachedGetUrlFromAppDirectory('/', foundAppDirs);
var allUrlRegex = _to_consumable_array(pageUrls).concat(_to_consumable_array(appDirUrls));
return {
JSXOpeningElement: function JSXOpeningElement(node) {
if (node.name.name !== 'a') {
return;
}
if (node.attributes.length === 0) {
return;
}
var target = node.attributes.find(function(attr) {
return attr.type === 'JSXAttribute' && attr.name.name === 'target';
});
if (target && target.value.value === '_blank') {
return;
}
var href = node.attributes.find(function(attr) {
return attr.type === 'JSXAttribute' && attr.name.name === 'href';
});
if (!href || href.value && href.value.type !== 'Literal') {
return;
}
var hasDownloadAttr = node.attributes.find(function(attr) {
return attr.type === 'JSXAttribute' && attr.name.name === 'download';
});
if (hasDownloadAttr) {
return;
}
var hrefPath = (0, _url.normalizeURL)(href.value.value);
// Outgoing links are ignored
if (/^(https?:\/\/|\/\/)/.test(hrefPath)) {
return;
}
allUrlRegex.forEach(function(foundUrl) {
if (foundUrl.test((0, _url.normalizeURL)(hrefPath))) {
context.report({
node: node,
message: "Do not use an `<a>` element to navigate to `".concat(hrefPath, "`. Use `<Link />` from `next/link` instead. See: ").concat(url)
});
}
});
}
};
}
});

View File

@@ -0,0 +1,42 @@
"use strict";
var _definerule = require("../utils/define-rule");
var path = require("path");
var url = 'https://nextjs.org/docs/messages/no-img-element';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent usage of `<img>` element due to slower LCP and higher bandwidth.',
category: 'HTML',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
// Get relative path of the file
var relativePath = context.filename.replace(path.sep, '/').replace(context.cwd, '').replace(/^\//, '');
var isAppDir = /^(src\/)?app\//.test(relativePath);
return {
JSXOpeningElement: function JSXOpeningElement(node) {
var _node_parent_parent_openingElement_name, _node_parent_parent_openingElement, _node_parent_parent, _node_parent;
if (node.name.name !== 'img') {
return;
}
if (node.attributes.length === 0) {
return;
}
if (((_node_parent = node.parent) === null || _node_parent === void 0 ? void 0 : (_node_parent_parent = _node_parent.parent) === null || _node_parent_parent === void 0 ? void 0 : (_node_parent_parent_openingElement = _node_parent_parent.openingElement) === null || _node_parent_parent_openingElement === void 0 ? void 0 : (_node_parent_parent_openingElement_name = _node_parent_parent_openingElement.name) === null || _node_parent_parent_openingElement_name === void 0 ? void 0 : _node_parent_parent_openingElement_name.name) === 'picture') {
return;
}
// If is metadata route files, ignore
// e.g. opengraph-image.js, twitter-image.js, icon.js
if (isAppDir && /\/opengraph-image|twitter-image|icon\.\w+$/.test(relativePath)) return;
context.report({
node: node,
message: "Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: ".concat(url)
});
}
};
}
});

View File

@@ -0,0 +1,127 @@
"use strict";
var _definerule = require("../utils/define-rule");
var _nodeattributes = /*#__PURE__*/ _interop_require_default(require("../utils/node-attributes"));
var _path = require("path");
function _interop_require_default(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
var url = 'https://nextjs.org/docs/messages/no-page-custom-font';
function isIdentifierMatch(id1, id2) {
return id1 === null && id2 === null || id1 && id2 && id1.name === id2.name;
}
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent page-only custom fonts.',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
var sourceCode = context.sourceCode;
var paths = context.filename.split('pages');
var page = paths[paths.length - 1];
// outside of a file within `pages`, bail
if (!page) {
return {};
}
var is_Document = page.startsWith("".concat(_path.sep, "_document")) || page.startsWith("".concat(_path.posix.sep, "_document"));
var documentImportName;
var localDefaultExportId;
var exportDeclarationType;
return {
ImportDeclaration: function ImportDeclaration(node) {
if (node.source.value === 'next/document') {
var documentImport = node.specifiers.find(function(param) {
var type = param.type;
return type === 'ImportDefaultSpecifier';
});
if (documentImport && documentImport.local) {
documentImportName = documentImport.local.name;
}
}
},
ExportDefaultDeclaration: function ExportDefaultDeclaration(node) {
exportDeclarationType = node.declaration.type;
if (node.declaration.type === 'FunctionDeclaration') {
localDefaultExportId = node.declaration.id;
return;
}
if (node.declaration.type === 'ClassDeclaration' && node.declaration.superClass && 'name' in node.declaration.superClass && node.declaration.superClass.name === documentImportName) {
localDefaultExportId = node.declaration.id;
}
},
JSXOpeningElement: function JSXOpeningElement(node) {
if (node.name.name !== 'link') {
return;
}
var ancestors = sourceCode.getAncestors(node);
// if `export default <name>` is further down within the file after the
// currently traversed component, then `localDefaultExportName` will
// still be undefined
if (!localDefaultExportId) {
// find the top level of the module
var program = ancestors.find(function(ancestor) {
return ancestor.type === 'Program';
});
// go over each token to find the combination of `export default <name>`
for(var i = 0; i <= program.tokens.length - 1; i++){
if (localDefaultExportId) {
break;
}
var token = program.tokens[i];
if (token.type === 'Keyword' && token.value === 'export') {
var nextToken = program.tokens[i + 1];
if (nextToken && nextToken.type === 'Keyword' && nextToken.value === 'default') {
var maybeIdentifier = program.tokens[i + 2];
if (maybeIdentifier && maybeIdentifier.type === 'Identifier') {
localDefaultExportId = {
name: maybeIdentifier.value
};
}
}
}
}
}
var parentComponent = ancestors.find(function(ancestor) {
// export default class ... extends ...
if (exportDeclarationType === 'ClassDeclaration') {
return ancestor.type === exportDeclarationType && 'superClass' in ancestor && ancestor.superClass && 'name' in ancestor.superClass && ancestor.superClass.name === documentImportName;
}
if ('id' in ancestor) {
// export default function ...
if (exportDeclarationType === 'FunctionDeclaration') {
return ancestor.type === exportDeclarationType && isIdentifierMatch(ancestor.id, localDefaultExportId);
}
// function ...() {} export default ...
// class ... extends ...; export default ...
return isIdentifierMatch(ancestor.id, localDefaultExportId);
}
return false;
});
// file starts with _document and this <link /> is within the default export
if (is_Document && parentComponent) {
return;
}
var attributes = new _nodeattributes.default(node);
if (!attributes.has('href') || !attributes.hasValue('href')) {
return;
}
var hrefValue = attributes.value('href');
var isGoogleFont = typeof hrefValue === 'string' && hrefValue.startsWith('https://fonts.googleapis.com/css');
if (isGoogleFont) {
var end = "This is discouraged. See: ".concat(url);
var message = is_Document ? "Using `<link />` outside of `<Head>` will disable automatic font optimization. ".concat(end) : "Custom fonts not added in `pages/_document.js` will only load for a single page. ".concat(end);
context.report({
node: node,
message: message
});
}
}
};
}
});

View File

@@ -0,0 +1,44 @@
"use strict";
var _definerule = require("../utils/define-rule");
var url = 'https://nextjs.org/docs/messages/no-script-component-in-head';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent usage of `next/script` in `next/head` component.',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
var isNextHead = null;
return {
ImportDeclaration: function ImportDeclaration(node) {
if (node.source.value === 'next/head') {
isNextHead = node.source.value;
}
if (node.source.value !== 'next/script') {
return;
}
},
JSXElement: function JSXElement(node) {
if (!isNextHead) {
return;
}
if (node.openingElement && node.openingElement.name && node.openingElement.name.name !== 'Head') {
return;
}
var scriptTag = node.children.find(function(child) {
return child.openingElement && child.openingElement.name && child.openingElement.name.name === 'Script';
});
if (scriptTag) {
context.report({
node: node,
message: "`next/script` should not be used in `next/head` component. Move `<Script />` outside of `<Head>` instead. See: ".concat(url)
});
}
}
};
}
});

View File

@@ -0,0 +1,78 @@
"use strict";
var _definerule = require("../utils/define-rule");
var _path = /*#__PURE__*/ _interop_require_wildcard(require("path"));
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== "function") return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function(nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interop_require_wildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
return {
default: obj
};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {
__proto__: null
};
var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
for(var key in obj){
if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
var url = 'https://nextjs.org/docs/messages/no-styled-jsx-in-document';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent usage of `styled-jsx` in `pages/_document.js`.',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
return {
JSXOpeningElement: function JSXOpeningElement(node) {
var document = context.filename.split('pages', 2)[1];
if (!document) {
return;
}
var _path_parse = _path.parse(document), name = _path_parse.name, dir = _path_parse.dir;
if (!(name.startsWith('_document') || dir === '/_document' && name === 'index')) {
return;
}
if (node.name.name === 'style' && node.attributes.find(function(attr) {
return attr.type === 'JSXAttribute' && attr.name.name === 'jsx';
})) {
context.report({
node: node,
message: "`styled-jsx` should not be used in `pages/_document.js`. See: ".concat(url)
});
}
}
};
}
});

View File

@@ -0,0 +1,37 @@
"use strict";
var _definerule = require("../utils/define-rule");
var url = 'https://nextjs.org/docs/messages/no-sync-scripts';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent synchronous scripts.',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
return {
JSXOpeningElement: function JSXOpeningElement(node) {
if (node.name.name !== 'script') {
return;
}
if (node.attributes.length === 0) {
return;
}
var attributeNames = node.attributes.filter(function(attr) {
return attr.type === 'JSXAttribute';
}).map(function(attr) {
return attr.name.name;
});
if (attributeNames.includes('src') && !attributeNames.includes('async') && !attributeNames.includes('defer')) {
context.report({
node: node,
message: "Synchronous scripts should not be used. See: ".concat(url)
});
}
}
};
}
});

View File

@@ -0,0 +1,46 @@
"use strict";
var _definerule = require("../utils/define-rule");
var url = 'https://nextjs.org/docs/messages/no-title-in-document-head';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent usage of `<title>` with `Head` component from `next/document`.',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
var headFromNextDocument = false;
return {
ImportDeclaration: function ImportDeclaration(node) {
if (node.source.value === 'next/document') {
if (node.specifiers.some(function(param) {
var local = param.local;
return local.name === 'Head';
})) {
headFromNextDocument = true;
}
}
},
JSXElement: function JSXElement(node) {
if (!headFromNextDocument) {
return;
}
if (node.openingElement && node.openingElement.name && node.openingElement.name.name !== 'Head') {
return;
}
var titleTag = node.children.find(function(child) {
return child.openingElement && child.openingElement.name && child.openingElement.name.type === 'JSXIdentifier' && child.openingElement.name.name === 'title';
});
if (titleTag) {
context.report({
node: titleTag,
message: "Do not use `<title>` element with `<Head />` component from `next/document`. Titles should defined at the page-level using `<Head />` from `next/head` instead. See: ".concat(url)
});
}
}
};
}
});

View File

@@ -0,0 +1,150 @@
"use strict";
var _definerule = require("../utils/define-rule");
var _path = /*#__PURE__*/ _interop_require_wildcard(require("path"));
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== "function") return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function(nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interop_require_wildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
return {
default: obj
};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {
__proto__: null
};
var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
for(var key in obj){
if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
var NEXT_EXPORT_FUNCTIONS = [
'getStaticProps',
'getStaticPaths',
'getServerSideProps'
];
// 0 is the exact match
var THRESHOLD = 1;
// the minimum number of operations required to convert string a to string b.
function minDistance(a, b) {
var m = a.length;
var n = b.length;
if (m < n) {
return minDistance(b, a);
}
if (n === 0) {
return m;
}
var previousRow = Array.from({
length: n + 1
}, function(_, i) {
return i;
});
for(var i = 0; i < m; i++){
var s1 = a[i];
var currentRow = [
i + 1
];
for(var j = 0; j < n; j++){
var s2 = b[j];
var insertions = previousRow[j + 1] + 1;
var deletions = currentRow[j] + 1;
var substitutions = previousRow[j] + Number(s1 !== s2);
currentRow.push(Math.min(insertions, deletions, substitutions));
}
previousRow = currentRow;
}
return previousRow[previousRow.length - 1];
}
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent common typos in Next.js data fetching functions.',
recommended: true
},
type: 'problem',
schema: []
},
create: function create(context) {
function checkTypos(node, name) {
if (NEXT_EXPORT_FUNCTIONS.includes(name)) {
return;
}
var potentialTypos = NEXT_EXPORT_FUNCTIONS.map(function(o) {
return {
option: o,
distance: minDistance(o, name)
};
}).filter(function(param) {
var distance = param.distance;
return distance <= THRESHOLD && distance > 0;
}).sort(function(a, b) {
return a.distance - b.distance;
});
if (potentialTypos.length) {
context.report({
node: node,
message: "".concat(name, " may be a typo. Did you mean ").concat(potentialTypos[0].option, "?")
});
}
}
return {
ExportNamedDeclaration: function ExportNamedDeclaration(node) {
var page = context.filename.split('pages', 2)[1];
if (!page || _path.parse(page).dir.startsWith('/api')) {
return;
}
var decl = node.declaration;
if (!decl) {
return;
}
switch(decl.type){
case 'FunctionDeclaration':
{
checkTypos(node, decl.id.name);
break;
}
case 'VariableDeclaration':
{
decl.declarations.forEach(function(d) {
if (d.id.type !== 'Identifier') {
return;
}
checkTypos(node, d.id.name);
});
break;
}
default:
{
break;
}
}
return;
}
};
}
});

View File

@@ -0,0 +1,122 @@
"use strict";
var _definerule = require("../utils/define-rule");
// Keep in sync with next.js polyfills file : https://github.com/vercel/next.js/blob/master/packages/next-polyfill-nomodule/src/index.js
var NEXT_POLYFILLED_FEATURES = [
'Array.prototype.@@iterator',
'Array.prototype.at',
'Array.prototype.copyWithin',
'Array.prototype.fill',
'Array.prototype.find',
'Array.prototype.findIndex',
'Array.prototype.flatMap',
'Array.prototype.flat',
'Array.from',
'Array.prototype.includes',
'Array.of',
'Function.prototype.name',
'fetch',
'Map',
'Number.EPSILON',
'Number.Epsilon',
'Number.isFinite',
'Number.isNaN',
'Number.isInteger',
'Number.isSafeInteger',
'Number.MAX_SAFE_INTEGER',
'Number.MIN_SAFE_INTEGER',
'Number.parseFloat',
'Number.parseInt',
'Object.assign',
'Object.entries',
'Object.fromEntries',
'Object.getOwnPropertyDescriptor',
'Object.getOwnPropertyDescriptors',
'Object.hasOwn',
'Object.is',
'Object.keys',
'Object.values',
'Reflect',
'Set',
'Symbol',
'Symbol.asyncIterator',
'String.prototype.codePointAt',
'String.prototype.endsWith',
'String.fromCodePoint',
'String.prototype.includes',
'String.prototype.@@iterator',
'String.prototype.padEnd',
'String.prototype.padStart',
'String.prototype.repeat',
'String.raw',
'String.prototype.startsWith',
'String.prototype.trimEnd',
'String.prototype.trimStart',
'URL',
'URL.prototype.toJSON',
'URLSearchParams',
'WeakMap',
'WeakSet',
'Promise',
'Promise.prototype.finally',
'es2015',
'es2016',
'es2017',
'es2018',
'es2019',
'es5',
'es6',
'es7'
];
var url = 'https://nextjs.org/docs/messages/no-unwanted-polyfillio';
module.exports = (0, _definerule.defineRule)({
meta: {
docs: {
description: 'Prevent duplicate polyfills from Polyfill.io.',
category: 'HTML',
recommended: true,
url: url
},
type: 'problem',
schema: []
},
create: function create(context) {
var scriptImport = null;
return {
ImportDeclaration: function ImportDeclaration(node) {
if (node.source && node.source.value === 'next/script') {
scriptImport = node.specifiers[0].local.name;
}
},
JSXOpeningElement: function JSXOpeningElement(node) {
if (node.name && node.name.name !== 'script' && node.name.name !== scriptImport) {
return;
}
if (node.attributes.length === 0) {
return;
}
var srcNode = node.attributes.find(function(attr) {
return attr.type === 'JSXAttribute' && attr.name.name === 'src';
});
if (!srcNode || srcNode.value.type !== 'Literal') {
return;
}
var src = srcNode.value.value;
if (src.startsWith('https://cdn.polyfill.io/v2/') || src.startsWith('https://polyfill.io/v3/') || // https://community.fastly.com/t/new-options-for-polyfill-io-users/2540
src.startsWith('https://polyfill-fastly.net/') || src.startsWith('https://polyfill-fastly.io/') || // https://blog.cloudflare.com/polyfill-io-now-available-on-cdnjs-reduce-your-supply-chain-risk
src.startsWith('https://cdnjs.cloudflare.com/polyfill/')) {
var featureQueryString = new URL(src).searchParams.get('features');
var featuresRequested = (featureQueryString || '').split(',');
var unwantedFeatures = featuresRequested.filter(function(feature) {
return NEXT_POLYFILLED_FEATURES.includes(feature);
});
if (unwantedFeatures.length > 0) {
context.report({
node: node,
message: "No duplicate polyfills from Polyfill.io are allowed. ".concat(unwantedFeatures.join(', '), " ").concat(unwantedFeatures.length > 1 ? 'are' : 'is', " already shipped with Next.js. See: ").concat(url)
});
}
}
}
};
}
});