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Frontend-Learner/node_modules/eslint/lib/rules/no-template-curly-in-string.js

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+/**
+ * @fileoverview Warn when using template string syntax in regular strings
+ * @author Jeroen Engels
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('../types').Rule.RuleModule} */
+module.exports = {
+	meta: {
+		type: "problem",
+
+		docs: {
+			description:
+				"Disallow template literal placeholder syntax in regular strings",
+			recommended: false,
+			url: "https://eslint.org/docs/latest/rules/no-template-curly-in-string",
+		},
+
+		schema: [],
+
+		messages: {
+			unexpectedTemplateExpression:
+				"Unexpected template string expression.",
+		},
+	},
+
+	create(context) {
+		const regex = /\$\{[^}]+\}/u;
+
+		return {
+			Literal(node) {
+				if (typeof node.value === "string" && regex.test(node.value)) {
+					context.report({
+						node,
+						messageId: "unexpectedTemplateExpression",
+					});
+				}
+			},
+		};
+	},
+};