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216 lines
7.0 KiB
216 lines
7.0 KiB
/** |
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* @fileoverview Restrict usage of specified node modules. |
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* @author Christian Schulz |
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* @deprecated in ESLint v7.0.0 |
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*/ |
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"use strict"; |
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//------------------------------------------------------------------------------ |
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// Rule Definition |
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//------------------------------------------------------------------------------ |
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const ignore = require("ignore"); |
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const arrayOfStrings = { |
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type: "array", |
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items: { type: "string" }, |
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uniqueItems: true |
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}; |
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const arrayOfStringsOrObjects = { |
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type: "array", |
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items: { |
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anyOf: [ |
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{ type: "string" }, |
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{ |
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type: "object", |
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properties: { |
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name: { type: "string" }, |
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message: { |
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type: "string", |
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minLength: 1 |
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} |
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}, |
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additionalProperties: false, |
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required: ["name"] |
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} |
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] |
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}, |
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uniqueItems: true |
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}; |
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/** @type {import('../shared/types').Rule} */ |
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module.exports = { |
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meta: { |
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deprecated: true, |
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replacedBy: [], |
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type: "suggestion", |
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docs: { |
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description: "Disallow specified modules when loaded by `require`", |
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recommended: false, |
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url: "https://eslint.org/docs/rules/no-restricted-modules" |
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}, |
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schema: { |
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anyOf: [ |
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arrayOfStringsOrObjects, |
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{ |
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type: "array", |
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items: { |
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type: "object", |
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properties: { |
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paths: arrayOfStringsOrObjects, |
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patterns: arrayOfStrings |
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}, |
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additionalProperties: false |
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}, |
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additionalItems: false |
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} |
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] |
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}, |
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messages: { |
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defaultMessage: "'{{name}}' module is restricted from being used.", |
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// eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period |
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customMessage: "'{{name}}' module is restricted from being used. {{customMessage}}", |
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patternMessage: "'{{name}}' module is restricted from being used by a pattern." |
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} |
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}, |
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create(context) { |
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const options = Array.isArray(context.options) ? context.options : []; |
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const isPathAndPatternsObject = |
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typeof options[0] === "object" && |
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(Object.prototype.hasOwnProperty.call(options[0], "paths") || Object.prototype.hasOwnProperty.call(options[0], "patterns")); |
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const restrictedPaths = (isPathAndPatternsObject ? options[0].paths : context.options) || []; |
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const restrictedPatterns = (isPathAndPatternsObject ? options[0].patterns : []) || []; |
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const restrictedPathMessages = restrictedPaths.reduce((memo, importName) => { |
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if (typeof importName === "string") { |
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memo[importName] = null; |
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} else { |
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memo[importName.name] = importName.message; |
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} |
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return memo; |
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}, {}); |
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// if no imports are restricted we don't need to check |
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if (Object.keys(restrictedPaths).length === 0 && restrictedPatterns.length === 0) { |
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return {}; |
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} |
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// relative paths are supported for this rule |
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const ig = ignore({ allowRelativePaths: true }).add(restrictedPatterns); |
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/** |
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* Function to check if a node is a string literal. |
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* @param {ASTNode} node The node to check. |
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* @returns {boolean} If the node is a string literal. |
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*/ |
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function isStringLiteral(node) { |
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return node && node.type === "Literal" && typeof node.value === "string"; |
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} |
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/** |
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* Function to check if a node is a static string template literal. |
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* @param {ASTNode} node The node to check. |
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* @returns {boolean} If the node is a string template literal. |
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*/ |
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function isStaticTemplateLiteral(node) { |
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return node && node.type === "TemplateLiteral" && node.expressions.length === 0; |
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} |
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/** |
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* Function to check if a node is a require call. |
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* @param {ASTNode} node The node to check. |
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* @returns {boolean} If the node is a require call. |
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*/ |
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function isRequireCall(node) { |
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return node.callee.type === "Identifier" && node.callee.name === "require"; |
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} |
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/** |
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* Extract string from Literal or TemplateLiteral node |
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* @param {ASTNode} node The node to extract from |
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* @returns {string|null} Extracted string or null if node doesn't represent a string |
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*/ |
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function getFirstArgumentString(node) { |
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if (isStringLiteral(node)) { |
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return node.value.trim(); |
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} |
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if (isStaticTemplateLiteral(node)) { |
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return node.quasis[0].value.cooked.trim(); |
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} |
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return null; |
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} |
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/** |
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* Report a restricted path. |
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* @param {node} node representing the restricted path reference |
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* @param {string} name restricted path |
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* @returns {void} |
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* @private |
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*/ |
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function reportPath(node, name) { |
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const customMessage = restrictedPathMessages[name]; |
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const messageId = customMessage |
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? "customMessage" |
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: "defaultMessage"; |
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context.report({ |
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node, |
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messageId, |
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data: { |
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name, |
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customMessage |
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} |
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}); |
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} |
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/** |
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* Check if the given name is a restricted path name |
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* @param {string} name name of a variable |
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* @returns {boolean} whether the variable is a restricted path or not |
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* @private |
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*/ |
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function isRestrictedPath(name) { |
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return Object.prototype.hasOwnProperty.call(restrictedPathMessages, name); |
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} |
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return { |
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CallExpression(node) { |
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if (isRequireCall(node)) { |
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// node has arguments |
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if (node.arguments.length) { |
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const name = getFirstArgumentString(node.arguments[0]); |
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// if first argument is a string literal or a static string template literal |
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if (name) { |
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// check if argument value is in restricted modules array |
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if (isRestrictedPath(name)) { |
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reportPath(node, name); |
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} |
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if (restrictedPatterns.length > 0 && ig.ignores(name)) { |
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context.report({ |
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node, |
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messageId: "patternMessage", |
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data: { name } |
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}); |
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} |
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} |
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} |
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} |
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} |
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}; |
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} |
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};
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