1 files changed, 34 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/object/mixin-prototypes.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/object/mixin-prototypes.js
new file mode 100644
index 0000000000..1ef5756423
--- /dev/null
+++ b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/object/mixin-prototypes.js
@@ -0,0 +1,34 @@
+'use strict';
+
+var value = require('./valid-value')
+  , mixin = require('./mixin')
+
+  , defineProperty = Object.defineProperty
+  , getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor
+  , getOwnPropertyNames = Object.getOwnPropertyNames
+  , getPrototypeOf = Object.getPrototypeOf
+  , hasOwnProperty = Object.prototype.hasOwnProperty;
+
+module.exports = function (target, source) {
+	var error, end, define;
+	target = Object(value(target));
+	source = Object(value(source));
+	end = getPrototypeOf(target);
+	if (source === end) return target;
+	try {
+		mixin(target, source);
+	} catch (e) { error = e; }
+	source = getPrototypeOf(source);
+	define = function (name) {
+		if (hasOwnProperty.call(target, name)) return;
+		try {
+			defineProperty(target, name, getOwnPropertyDescriptor(source, name));
+		} catch (e) { error = e; }
+	};
+	while (source && (source !== end)) {
+		getOwnPropertyNames(source).forEach(define);
+		source = getPrototypeOf(source);
+	}
+	if (error) throw error;
+	return target;
+};