tools: move eslint from tools to tools/node_modules

This is required because we need to add the babel-eslint dependency
and it has to be able to resolve "eslint".
babel-eslint is required to support future ES features such as async
iterators and import.meta.

Refs: https://github.com/nodejs/node/pull/17755
PR-URL: https://github.com/nodejs/node/pull/17820
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/lib/rules/no-proto.js b/tools/node_modules/eslint/lib/rules/no-proto.js
new file mode 100644
index 0000000000..933746f559
--- /dev/null
+++ b/tools/node_modules/eslint/lib/rules/no-proto.js
@@ -0,0 +1,38 @@
+/**
+ * @fileoverview Rule to flag usage of __proto__ property
+ * @author Ilya Volodin
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+module.exports = {
+    meta: {
+        docs: {
+            description: "disallow the use of the `__proto__` property",
+            category: "Best Practices",
+            recommended: false
+        },
+
+        schema: []
+    },
+
+    create(context) {
+
+        return {
+
+            MemberExpression(node) {
+
+                if (node.property &&
+                        (node.property.type === "Identifier" && node.property.name === "__proto__" && !node.computed) ||
+                        (node.property.type === "Literal" && node.property.value === "__proto__")) {
+                    context.report({ node, message: "The '__proto__' property is deprecated." });
+                }
+            }
+        };
+
+    }
+};