--- /dev/null
+/**
+ * @fileoverview Rule to flag usage of __proto__ property
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const { getStaticPropertyName } = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+ meta: {
+ type: "suggestion",
+
+ docs: {
+ description: "disallow the use of the `__proto__` property",
+ category: "Best Practices",
+ recommended: false,
+ url: "https://eslint.org/docs/rules/no-proto"
+ },
+
+ schema: [],
+
+ messages: {
+ unexpectedProto: "The '__proto__' property is deprecated."
+ }
+ },
+
+ create(context) {
+
+ return {
+
+ MemberExpression(node) {
+ if (getStaticPropertyName(node) === "__proto__") {
+ context.report({ node, messageId: "unexpectedProto" });
+ }
+ }
+ };
+
+ }
+};