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qwen/nodejs/node_modules/eslint/lib/rules/no-new-symbol.js

@@ -0,0 +1,56 @@
+/**
+ * @fileoverview Rule to disallow use of the new operator with the `Symbol` object
+ * @author Alberto Rodríguez
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('../shared/types').Rule} */
+module.exports = {
+    meta: {
+        type: "problem",
+
+        docs: {
+            description: "Disallow `new` operators with the `Symbol` object",
+            recommended: true,
+            url: "https://eslint.org/docs/latest/rules/no-new-symbol"
+        },
+
+        schema: [],
+
+        messages: {
+            noNewSymbol: "`Symbol` cannot be called as a constructor."
+        }
+    },
+
+    create(context) {
+
+        const sourceCode = context.sourceCode;
+
+        return {
+            "Program:exit"(node) {
+                const globalScope = sourceCode.getScope(node);
+                const variable = globalScope.set.get("Symbol");
+
+                if (variable && variable.defs.length === 0) {
+                    variable.references.forEach(ref => {
+                        const idNode = ref.identifier;
+                        const parent = idNode.parent;
+
+                        if (parent && parent.type === "NewExpression" && parent.callee === idNode) {
+                            context.report({
+                                node: idNode,
+                                messageId: "noNewSymbol"
+                            });
+                        }
+                    });
+                }
+            }
+        };
+
+    }
+};