1 files changed, 30 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/object/copy-deep.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/object/copy-deep.js
new file mode 100644
index 0000000000..548e3ee4b6
--- /dev/null
+++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/object/copy-deep.js
@@ -0,0 +1,30 @@
+'use strict';
+
+var isPlainObject = require('./is-plain-object')
+  , value         = require('./valid-value')
+
+  , keys = Object.keys
+  , copy;
+
+copy = function (source) {
+	var target = {};
+	this[0].push(source);
+	this[1].push(target);
+	keys(source).forEach(function (key) {
+		var index;
+		if (!isPlainObject(source[key])) {
+			target[key] = source[key];
+			return;
+		}
+		index = this[0].indexOf(source[key]);
+		if (index === -1) target[key] = copy.call(this, source[key]);
+		else target[key] = this[1][index];
+	}, this);
+	return target;
+};
+
+module.exports = function (source) {
+	var obj = Object(value(source));
+	if (obj !== source) return obj;
+	return copy.call([[], []], obj);
+};