Website Structure

Frontend-Learner/node_modules/eslint/lib/rules/no-throw-literal.js

@@ -0,0 +1,46 @@
+/**
+ * @fileoverview Rule to restrict what can be thrown as an exception.
+ * @author Dieter Oberkofler
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('../types').Rule.RuleModule} */
+module.exports = {
+	meta: {
+		type: "suggestion",
+
+		docs: {
+			description: "Disallow throwing literals as exceptions",
+			recommended: false,
+			url: "https://eslint.org/docs/latest/rules/no-throw-literal",
+		},
+
+		schema: [],
+
+		messages: {
+			object: "Expected an error object to be thrown.",
+			undef: "Do not throw undefined.",
+		},
+	},
+
+	create(context) {
+		return {
+			ThrowStatement(node) {
+				if (!astUtils.couldBeError(node.argument)) {
+					context.report({ node, messageId: "object" });
+				} else if (node.argument.type === "Identifier") {
+					if (node.argument.name === "undefined") {
+						context.report({ node, messageId: "undef" });
+					}
+				}
+			},
+		};
+	},
+};