generator-cg-angular

Yeoman Generator for Enterprise Angular projects.

npm install generator-cg-angular
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generator-cg-angular

Yeoman Generator for Enterprise Angular Projects

Features

  • Provides a directory structure geared towards large Angular projects.
    • Each controller, service, filter, and directive are placed in their own file.
    • All files related to a conceptual unit are placed together. For example, the controller, HTML, LESS, and unit test for a partial are placed together in the same directory.
  • Provides a ready-made Grunt build that produces an extremely optimized distribution.
    • Build uses grunt-ngmin so you don't have to use the Angular injection syntax for safe minification (i.e. you dont need $inject or (['$scope','$http',....
    • grunt serve task allows you to run a simple development server with watch/livereload enabled. Additionally, JSHint and the appropriate unit tests are run for the changed files.
  • Integrates Bower for package management
  • Includes Yeoman subgenerators for directives, services, partials, and filters
  • Integrates LESS and includes Bootstrap via the source LESS files allowing you to reuse Bootstrap vars/mixins/etc.
  • Easily Testable - Each subgenerator creates a skeleton unit test. Unit tests can be run via grunt test and they run automatically during the grunt watch that is active during grunt serve.

Directory Layout

Below is an example of the folder structure. In v3.0, all subgenerators for partials, services, directives, and filters, allow the user to specify where to save the new files. Thus you can create your own directory structure (including nesting) as you desire. In this example, the user has chosen to group the app into an admin folder, a search folder, and a service folder.

app.less ....................... main app-wide styles
app.js ......................... angular module initialization and route setup
index.html ..................... main HTML file
/admin ......................... example admin module folder
  admin.js ..................... admin module initialization and route setup
  admin.less ................... admin module LESS
  /admin-directive1 ............ angular directives folder
    admin-directive1.js ........ example simple directive
    admin-directive1-spec.js.... example simple directive unit test
  /admin-directive2 ............ example complex directive (contains external partial)
    admin-directive2.js ........ complex directive javascript
    admin-directive2.html ...... complex directive partial
    admin-directive2.less ...... complex directive LESS
    admin-directive2-spec.js ... complex directive unit test
  /admin-partial ............... example partial
    admin-partial.html ......... example partial html
    admin-partial.js ........... example partial controller
    admin-partial.less ......... example partial LESS
    admin-partial-spec.js ...... example partial unit test
/search ........................ example search component folder
  my-filter.js ................. example filter
  my-filter-spec.js ............ example filter unit test
  /search-partial .............. example partial
    search-partial.html ........ example partial html
    search-partial.js .......... example partial controller
    search-partial.less ........ example partial LESS
    search-partial-spec.js ..... example partial unit test
/service ....................... angular services folder
    my-service.js .............. example service
    my-service-spec.js ......... example service unit test
    my-service2.js ............. example service
    my-service2-spec.js ........ example service unit test
/img ........................... images (not created by default but included in /dist if added)
/dist .......................... distributable version of app built using grunt and Gruntfile.js
/bower_component................ 3rd party libraries managed by bower
/node_modules .................. npm managed libraries used by grunt

Getting Started

Prerequisites: Node, Grunt, Yeoman, and Bower. Once Node is installed, do:

npm install -g grunt-cli yo bower

Next, install this generator:

npm install -g generator-cg-angular

To create a project:

mkdir MyNewAwesomeApp
cd MyNewAwesomeApp
yo cg-angular

Grunt Tasks

Now that the project is created, you have 3 simple Grunt commands available:

grunt serve   #This will run a development server with watch & livereload enabled.
grunt test    #Run unit tests.
grunt build   #Places a fully optimized (minified, concatenated, and more) in /dist

When grunt serve is running, any changed javascript files will be linted using JSHint as well as have their appropriate unit tests executed. Only the unit tests that correspond to the changed file will be run.

Yeoman Subgenerators

There are a set of subgenerators to initialize empty Angular components. Each of these generators will:

  • Create one or more skeleton files (javascript, LESS, html, spec etc) for the component type.
  • Update index.html and add the necessary script tags.
  • Update app.less and add the @import as needed.
  • For partials, update the app.js, adding the necessary route call if a route was entered in the generator prompts.

There are generators for directive,partial,service, filter, and module.

Running a generator:

yo cg-angular:directive my-awesome-directive
yo cg-angular:partial my-partial
yo cg-angular:service my-service
yo cg-angular:filter my-filter
yo cg-angular:module my-module

The name paramater passed (i.e. 'my-awesome-directive') will be used the file names. The generators will derive appropriate class names from this parameter (ex. 'my-awesome-directive' will convert to a class name of 'MyAwesomeDirective'). Each subgenerator will ask for the folder in which to create the new skeleton files. You may override the default folder for each subgenerator in the .yo-rc.json file.

Subgenerators are also customizable. Please read CUSTOMIZING.md for details.

Submodules

A new subgenerator to create submodules is included in v3.1. Submodules allow you to more explicitly separate parts of your application. Use the yo cg-angular:module my-module command and specify a new subdirectory to place the module into. Once you've created a submodule, use any of the other subgenerators to create components inside that submodule. Simply specify the target directory for the new component as either the submodule directory or a subdirectory of the submodule directory, and the subgenerators will automatically recognize the submodule and configure new the components using the submodule's name.

Preconfigured Libraries

The new app will have a handful of preconfigured libraries included. This includes Angular 1.2, Bootstrap 3, AngularUI Bootstrap, AngularUI Utils, FontAwesome 4, JQuery 2, Underscore 1.5, LESS 1.6, and Moment 2.5. You may of course add to or remove any of these libraries. But the work to integrate them into the app and into the build process has already been done for you.

Build Process

The project will include a ready-made Grunt build that will:

  • Build all the LESS files into one minified CSS file.
  • Uses grunt-angular-templates to turn all your partials into Javascript.
  • Uses grunt-ngmin to preprocess all Angular injectable methods and add the necessary Angular annotations to ensure minification will not break your app (and you don't have to use the array syntax to manually add the annotations nor $inject). Read more about ngmin.
  • Concatenates and minifies all Javascript into one file.
  • Replaces all appropriate script references in index.html with the minified CSS and JS files.
  • Minifies any images in /img.
  • Minifies the index.html.
  • Copies any extra files necessary for a distributable build (ex. Font-Awesome font files, etc).

The resulting build loads only a few highly compressed files.

The build process uses grunt-dom-munger to pull script references from the index.html. This means that your index.html is the single source of truth about what makes up your app. Adding a new library, new controller, new directive, etc does not require that you update the build file. Also the order of the scripts in your index.html will be maintained when they're concatenated.

Importantly, grunt-dom-munger uses CSS selectors to manage the parsing of the script tags. It is very easy to exclude certain scripts from the build. For example, the project includes a references to the livereload.js from the grunt-contrib-watch task. But this file should not be included in a production build. Thus the grunt-dom-munger task is configured with a selector like script[data-build!="exclude"] and the script tag for livereload.js includes an attribute like data-build="exclude". You can use this flexibility in your project to include/exclude scripts in your production builds.

Release History

  • 3/??/2014 - v3.1.0 - Submodules feature added.
  • 3/10/2014 - v3.0.2 - Fix for directive files not being named correctly. Fix for htmlmin from affecting some Bootstrap styles.
  • 3/03/2014 - v3.0.0 - All subgenerators now ask the user for a directory enabling any user-defined project structure. Gruntfile has been altered to allow scripts, partials, and LESS files to be located anywhere in the project directory structure. An option to use angular-ui-router is now available when initializing a new project. js/setup.js and css/app.less moved to app.js and app.less. grunt server is now grunt serve. Inside index.html all user script tags are grouped together instead of split out into groups for services/filters/etc. New ability to customize the subgenerators.
  • 2/10/2014 - v2.1.1 - Fix for the directive spec file named with a .less extension.
  • 1/06/2014 - v2.1.0 - Nice enhancements for unit testing. Specs are now placed in the same directory as the component they're testing. Additionally, unit tests are now run during grunt server allowing for an easy and efficient test-driven workflow.
  • 12/30/2013 - v2.0.0 - Big Update. Angular 1.2 and Bootstrap 3. Newer versions of Angular UI, Font Awesome, and JQuery. Lodash was replaced with Underscore. Lots of other small changes.
  • 9/06/2013 - V1.0.4 - Fixed templating issue with generated specs for yo cg-angular:service subgenerator.
  • 8/29/2013 - V1.0.3 - Renamed /lib back to /bower_components as clarity trumps brevity. Renamed /bin to /dist. Fixed spelling error in generated directive's js template location. Moved up to later version of yeoman-generator dependency to solve "Cannot read bold of undefined" error coming from Yeoman. JSHint options now read from .jshintrc. And more small stuff.
  • 7/08/2013 - V1.0.2 - Added utf8 charset to index.html. Fix for "EMFile, too many open files" on grunt watch by no longer watching the lib folder.
  • 6/20/2013 - v1.0.1 - Fixed a ton of known issues. Replaced grunt-regarde with grunt-contrib-watch. Fixed and tweaked the unit test specs and grunt test. Fixed issues with the build. Generator is now ready for real use.
  • 6/18/2013 - v1.0.0 - Initial release of template as Yeoman generator.
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