1 files changed, 43 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/lib/rules/no-throw-literal.js b/tools/node_modules/eslint/lib/rules/no-throw-literal.js
new file mode 100644
index 0000000000..5e9054399a
--- /dev/null
+++ b/tools/node_modules/eslint/lib/rules/no-throw-literal.js
@@ -0,0 +1,43 @@
+/**
+ * @fileoverview Rule to restrict what can be thrown as an exception.
+ * @author Dieter Oberkofler
+ */
+
+"use strict";
+
+const astUtils = require("../ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "disallow throwing literals as exceptions",
+            category: "Best Practices",
+            recommended: false
+        },
+
+        schema: []
+    },
+
+    create(context) {
+
+        return {
+
+            ThrowStatement(node) {
+                if (!astUtils.couldBeError(node.argument)) {
+                    context.report({ node, message: "Expected an object to be thrown." });
+                } else if (node.argument.type === "Identifier") {
+                    if (node.argument.name === "undefined") {
+                        context.report({ node, message: "Do not throw undefined." });
+                    }
+                }
+
+            }
+
+        };
+
+    }
+};