Fix: estimates geo v2

backend/node_modules/object-is/shim.js

@@ -0,0 +1,14 @@
+'use strict';
+
+var getPolyfill = require('./polyfill');
+var define = require('define-properties');
+
+module.exports = function shimObjectIs() {
+	var polyfill = getPolyfill();
+	define(Object, { is: polyfill }, {
+		is: function testObjectIs() {
+			return Object.is !== polyfill;
+		}
+	});
+	return polyfill;
+};