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qwen/nodejs/node_modules/eslint/lib/rules/no-throw-literal.js

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+/**
+ * @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('../shared/types').Rule} */
+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" });
+                    }
+                }
+
+            }
+
+        };
+
+    }
+};