AngularJS: Ideal Directory Structure

Standard

AngularJS is a MVC framework. While when you are working in an MVC framework a common practice is to group files together based on file type:

templates/
    _login.html
    _feed.html
app/
    app.js
    controllers/
        LoginController.js
        FeedController.js
    directives/
        FeedEntryDirective.js
    services/
        LoginService.js
        FeedService.js
    filters/
        CapatalizeFilter.js

This seems like an obvious layout, However once the app begins to scale, this layout causes many folders to be open at once. Whether using Sublime or Visual Studio, a lot of time is spent scrolling through the directory tree.

Instead of keeping the files grouped by type, group files based on features:

app/
----- shared/   // acts as reusable components or partials of our site
---------- sidebar/
--------------- sidebarDirective.js
--------------- sidebarView.html
---------- article/
--------------- articleDirective.js
--------------- articleView.html
----- components/   // each component is treated as a mini Angular app
---------- home/
--------------- homeController.js
--------------- homeService.js
--------------- homeView.html
---------- blog/
--------------- blogController.js
--------------- blogService.js
--------------- blogView.html
----- app.module.js
----- app.routes.js
assets/
----- img/      // Images and icons for your app
----- css/      // All styles and style related files (SCSS or LESS files)
----- js/       // JavaScript files written for your app that are not for angular
----- libs/     // Third-party libraries such as jQuery, Moment, Underscore, etc.
index.html

This directory structure makes it much easier to find all the files related to a particular feature which will speed up development. It may be controversial to keep .html files with .js files, but the time savings are more valuable.

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