Backbone.js和Browserify-多次需要相同的模块

Question

I am currently working on a Backbone JS application, and I started using Browserify for the first time. But of course I ran into a few problematics. This is one of them.

I have the following module, /js/views/Home.js .

var $ = require('jquery'),
    _ = require('underscore'),
    Backbone = require('backbone');
Backbone.$ = $;

module.exports = Backbone.View.extend({
    el: '#view',
    template: _.template($('#home-template').html()),
    initialize: function () {
        this.render();
    },
    render: function () {
        this.$el.html(this.template());
    },
    events: {
        'click button': 'searchSubmit'
    },
    searchSubmit: function () {
        // this should be where the magic happens
    }
});

When the searchSubmit method is called, I want to do something like router.navigate('search') .

My question: If I have a router module, Router.js , do I then need to create a new instance of it in all of my modules every time I want some router functionality?

var Router = require('./Router.js'),
    router = new Router();

It just does not seem logical to create a new router in every view, when Browserify bundles them all together.

Is it me who do not understand Browserify properly, and is there a more clever solution? Thanks!

Answer 1

When you call

var Router = require('./Router.js');

Browserify is actually keeping track of a single instance of Router , so it is not a new instance every time. Think of it as a reference or using statement. See this SO post for more details.

But with router = new Router(); you run into a problem of your router being instanced. I suggest that in Router.js you export an instance of your router .