Izmjenjena struktura, dodan backand

web/node_modules/eslint/lib/rules/no-delete-var.js

@@ -0,0 +1,35 @@
+/**
+ * @fileoverview Rule to flag when deleting variables
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "disallow deleting variables",
+            category: "Variables",
+            recommended: true
+        },
+
+        schema: []
+    },
+
+    create(context) {
+
+        return {
+
+            UnaryExpression(node) {
+                if (node.operator === "delete" && node.argument.type === "Identifier") {
+                    context.report({ node, message: "Variables should not be deleted." });
+                }
+            }
+        };
+
+    }
+};