1 files changed, 24 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/object/is-copy.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/object/is-copy.js
new file mode 100644
index 0000000000..4fe639d4ef
--- /dev/null
+++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/object/is-copy.js
@@ -0,0 +1,24 @@
+'use strict';
+
+var eq     = require('./eq')
+  , value  = require('./valid-value')
+
+  , keys = Object.keys
+  , propertyIsEnumerable = Object.prototype.propertyIsEnumerable;
+
+module.exports = function (a, b) {
+	var k1, k2;
+
+	if (eq(value(a), value(b))) return true;
+
+	a = Object(a);
+	b = Object(b);
+
+	k1 = keys(a);
+	k2 = keys(b);
+	if (k1.length !== k2.length) return false;
+	return k1.every(function (key) {
+		if (!propertyIsEnumerable.call(b, key)) return false;
+		return eq(a[key], b[key]);
+	});
+};