source: imaps-frontend/node_modules/eslint/lib/rules/no-restricted-modules.js

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Last change on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago

Update repo after prototype presentation

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File size: 6.9 KB
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1/**
2 * @fileoverview Restrict usage of specified node modules.
3 * @author Christian Schulz
4 * @deprecated in ESLint v7.0.0
5 */
6"use strict";
7
8//------------------------------------------------------------------------------
9// Requirements
10//------------------------------------------------------------------------------
11
12const astUtils = require("./utils/ast-utils");
13
14//------------------------------------------------------------------------------
15// Rule Definition
16//------------------------------------------------------------------------------
17
18const ignore = require("ignore");
19
20const arrayOfStrings = {
21 type: "array",
22 items: { type: "string" },
23 uniqueItems: true
24};
25
26const arrayOfStringsOrObjects = {
27 type: "array",
28 items: {
29 anyOf: [
30 { type: "string" },
31 {
32 type: "object",
33 properties: {
34 name: { type: "string" },
35 message: {
36 type: "string",
37 minLength: 1
38 }
39 },
40 additionalProperties: false,
41 required: ["name"]
42 }
43 ]
44 },
45 uniqueItems: true
46};
47
48/** @type {import('../shared/types').Rule} */
49module.exports = {
50 meta: {
51 deprecated: true,
52
53 replacedBy: [],
54
55 type: "suggestion",
56
57 docs: {
58 description: "Disallow specified modules when loaded by `require`",
59 recommended: false,
60 url: "https://eslint.org/docs/latest/rules/no-restricted-modules"
61 },
62
63 schema: {
64 anyOf: [
65 arrayOfStringsOrObjects,
66 {
67 type: "array",
68 items: {
69 type: "object",
70 properties: {
71 paths: arrayOfStringsOrObjects,
72 patterns: arrayOfStrings
73 },
74 additionalProperties: false
75 },
76 additionalItems: false
77 }
78 ]
79 },
80
81 messages: {
82 defaultMessage: "'{{name}}' module is restricted from being used.",
83 // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period
84 customMessage: "'{{name}}' module is restricted from being used. {{customMessage}}",
85 patternMessage: "'{{name}}' module is restricted from being used by a pattern."
86 }
87 },
88
89 create(context) {
90 const options = Array.isArray(context.options) ? context.options : [];
91 const isPathAndPatternsObject =
92 typeof options[0] === "object" &&
93 (Object.prototype.hasOwnProperty.call(options[0], "paths") || Object.prototype.hasOwnProperty.call(options[0], "patterns"));
94
95 const restrictedPaths = (isPathAndPatternsObject ? options[0].paths : context.options) || [];
96 const restrictedPatterns = (isPathAndPatternsObject ? options[0].patterns : []) || [];
97
98 const restrictedPathMessages = restrictedPaths.reduce((memo, importName) => {
99 if (typeof importName === "string") {
100 memo[importName] = null;
101 } else {
102 memo[importName.name] = importName.message;
103 }
104 return memo;
105 }, {});
106
107 // if no imports are restricted we don't need to check
108 if (Object.keys(restrictedPaths).length === 0 && restrictedPatterns.length === 0) {
109 return {};
110 }
111
112 // relative paths are supported for this rule
113 const ig = ignore({ allowRelativePaths: true }).add(restrictedPatterns);
114
115
116 /**
117 * Function to check if a node is a string literal.
118 * @param {ASTNode} node The node to check.
119 * @returns {boolean} If the node is a string literal.
120 */
121 function isStringLiteral(node) {
122 return node && node.type === "Literal" && typeof node.value === "string";
123 }
124
125 /**
126 * Function to check if a node is a require call.
127 * @param {ASTNode} node The node to check.
128 * @returns {boolean} If the node is a require call.
129 */
130 function isRequireCall(node) {
131 return node.callee.type === "Identifier" && node.callee.name === "require";
132 }
133
134 /**
135 * Extract string from Literal or TemplateLiteral node
136 * @param {ASTNode} node The node to extract from
137 * @returns {string|null} Extracted string or null if node doesn't represent a string
138 */
139 function getFirstArgumentString(node) {
140 if (isStringLiteral(node)) {
141 return node.value.trim();
142 }
143
144 if (astUtils.isStaticTemplateLiteral(node)) {
145 return node.quasis[0].value.cooked.trim();
146 }
147
148 return null;
149 }
150
151 /**
152 * Report a restricted path.
153 * @param {node} node representing the restricted path reference
154 * @param {string} name restricted path
155 * @returns {void}
156 * @private
157 */
158 function reportPath(node, name) {
159 const customMessage = restrictedPathMessages[name];
160 const messageId = customMessage
161 ? "customMessage"
162 : "defaultMessage";
163
164 context.report({
165 node,
166 messageId,
167 data: {
168 name,
169 customMessage
170 }
171 });
172 }
173
174 /**
175 * Check if the given name is a restricted path name
176 * @param {string} name name of a variable
177 * @returns {boolean} whether the variable is a restricted path or not
178 * @private
179 */
180 function isRestrictedPath(name) {
181 return Object.prototype.hasOwnProperty.call(restrictedPathMessages, name);
182 }
183
184 return {
185 CallExpression(node) {
186 if (isRequireCall(node)) {
187
188 // node has arguments
189 if (node.arguments.length) {
190 const name = getFirstArgumentString(node.arguments[0]);
191
192 // if first argument is a string literal or a static string template literal
193 if (name) {
194
195 // check if argument value is in restricted modules array
196 if (isRestrictedPath(name)) {
197 reportPath(node, name);
198 }
199
200 if (restrictedPatterns.length > 0 && ig.ignores(name)) {
201 context.report({
202 node,
203 messageId: "patternMessage",
204 data: { name }
205 });
206 }
207 }
208 }
209 }
210 }
211 };
212 }
213};
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