grunt-ember-defeatureify

0.2.0 • Public • Published

grunt-ember-defeatureify

Experimental. Remove specially flagged feature blocks and debug statements from Ember source.

This is a simple grunt plugin that exposes the functionality of the defeatureify node package. defeatureify is used in the ember-dev package to enable or remove features and strip debug statements during the Ember.js build process.

It allows grunt users to enable/disable features and strip debug statements from their applications during the grunt build process.

Getting Started

This plugin requires Grunt ~0.4.2

If you haven't used Grunt before, be sure to check out the Getting Started guide, as it explains how to create a Gruntfile as well as install and use Grunt plugins. Once you're familiar with that process, you may install this plugin with this command:

npm install grunt-ember-defeatureify --save-dev

Once the plugin has been installed, it may be enabled inside your Gruntfile with this line of JavaScript:

grunt.loadNpmTasks('grunt-ember-defeatureify');

The "emberDefeatureify" task

Overview

In your project's Gruntfile, add a section named emberDefeatureify to the data object passed into grunt.initConfig().

grunt.initConfig({
  emberDefeatureify: {
    options: {
      // Task-specific options go here.
    },
    your_target: {
      // Target-specific file lists and/or options go here.
    },
  },
});

Options

options.features

Type: Object Default value: {}

An object containing feature names to enable or disable. Features with a value true will be enabled, otherwise they will be removed from the source.

Example:

  features: {
    "propertyBraceExpansion": true,
    "ember-metal-run-bind": true,
    "with-controller": true,
    "query-params-new": false,
    "string-humanize": false
  }

options.namespace

Type: String Default value: 'Ember'

The namespace to look for the features in.

options.debugStatements

Type: Array Default value: []

An array of strings containing debug statements to remove. Does not use options.namespace. For example:

debugStatements: [
      "Ember.warn", 
      "Ember.assert", 
      "Ember.deprecate", 
      "Ember.debug", 
      "Ember.Logger.info"
      ]

options.enableStripDebug

Type: Boolean Default value: false

Enables or disabled stripping the debug statements specified in options.debugStatements.

Usage Examples

Stripping Debug Statements

In this example, the specified debug statements are stripped from testing.js. So if the testing.js file has the content

App.IndexRoute = Ember.Route.extend({
  model: function() {
    App.debugStatement( true || 
                        false,
                        "a multiline debug statement");
 
    return ['red', 'yellow', 'blue'];
  }
});

the generated result would be

App.IndexRoute = Ember.Route.extend({
  model: function() {
 
    return ['red', 'yellow', 'blue'];
  }
});

Configuration:

grunt.initConfig({
  emberDefeatureify: {
    options: {
      // task options
    },
    strip_debug: {
      options: {
        // target specific options to override task options
        debugStatements: ["App.debugStatement"],
        enableStripDebug: true
      },
      src: 'src/testing.js',
      dest: 'dest/output.js'
    }
  }
});

Contributing

In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Lint and test your code using Grunt.

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Install

npm i grunt-ember-defeatureify

Weekly Downloads

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Version

0.2.0

License

none

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Collaborators

  • craigteegarden