[global browser singleton] #JavaScript #browser #growth #frontend

singleton.js

var global_module_instance;
Object.defineProperty(window, 'global_ng_module', {
	enumerable: true, // why not ?
	set: function() {
		throw new Error('You can’t assign window.global_module !');
	},
	get: function() {
		if(global_module_instance) return global_module_instance; // already OK
		global_module_instance = angular.module('global_ng_module', [
			'ui.bootstrap'
		]);
		return global_module_instance;
	}
});