1 files changed, 43 insertions, 0 deletions
diff --git a/tools/eslint/lib/rules/func-names.js b/tools/eslint/lib/rules/func-names.js
new file mode 100644
index 0000000000..eb4d9be10a
--- /dev/null
+++ b/tools/eslint/lib/rules/func-names.js
@@ -0,0 +1,43 @@
+/**
+ * @fileoverview Rule to warn when a function expression does not have a name.
+ * @author Kyle T. Nunery
+ * @copyright 2015 Brandon Mills. All rights reserved.
+ * @copyright 2014 Kyle T. Nunery. All rights reserved.
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = function(context) {
+
+    /**
+     * Determines whether the current FunctionExpression node is a get, set, or
+     * shorthand method in an object literal or a class.
+     * @returns {boolean} True if the node is a get, set, or shorthand method.
+     */
+    function isObjectOrClassMethod() {
+        var parent = context.getAncestors().pop();
+
+        return (parent.type === "MethodDefinition" || (
+            parent.type === "Property" && (
+                parent.method ||
+                parent.kind === "get" ||
+                parent.kind === "set"
+            )
+        ));
+    }
+
+    return {
+        "FunctionExpression": function(node) {
+
+            var name = node.id && node.id.name;
+
+            if (!name && !isObjectOrClassMethod()) {
+                context.report(node, "Missing function expression name.");
+            }
+        }
+    };
+};