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app_vue/node_modules/eslint/lib/rules/no-restricted-modules.js

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