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Add, remove and rebuild angularjs dependency injection annotations


Add, remove and rebuild AngularJS dependency injection annotations. Based on ng-annotate.

Build Status Build status Built with Grunt

Getting Started

This plugin requires Grunt.

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-ng-annotate --save-dev

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



This project defines the ngAnnotate task. In your project’s Gruntfile, add a section named ngAnnotate to the data object passed into grunt.initConfig().

    ngAnnotate: {
        options: {
            // Task-specific options go here.
        your_target: {
            // Target-specific file lists and/or options go here.


The ngAnnotate task accepts a couple of options:


Tells if ngAnnotate should add annotations.

Type: boolean

Default: true


Tells if ngAnnotate should remove annotations.

Type: boolean

Default: false

Note that both add and remove options can be set to true; in such a case ngAnnotate first removes annotations and then re-adds them (it can be used to check if annotations were provided correctly).


If provided, only strings matched by the regexp are interpreted as module names. You can provide both a regular expression and a string representing one. See README of ng-annotate for further details:

Type: regexp

Default: none


Switches the quote type for strings in the annotations array to single ones; e.g. '$scope' instead of "$scope".

Type: boolean

Default: false


Concatenated files will be joined on this string.

Type: string

Default: grunt.util.linefeed

If you’re post-processing concatenated JavaScript files with a minifier, you may need to use a semicolon ‘;’ as the separator.


Enables source map generation.

Type: boolean or string

Default: false

If set to a string, the string points to a file where to save the source map. If set to true, an inline source map will be used.


If ngAnnotate supports a new option that is not directly supported via this Grunt task yet, you can pass it here. These options gets merged with the above specific to ngAnnotate. Options passed here have lower precedence to the direct ones described above.

Type: object

Default: {}

Usage Examples

    ngAnnotate: {
        options: {
            singleQuotes: true,
        app1: {
            files: {
                'a.js': ['a.js'],
                'c.js': ['b.js'],
                'f.js': ['d.js', 'e.js'],
        app2: {
            files: [
                    expand: true,
                    src: ['f.js'],
                    ext: '.annotated.js', // Dest filepaths will have this extension.
                    extDot: 'last',       // Extensions in filenames begin after the last dot
        app3: {
            files: [
                    expand: true,
                    src: ['g.js'],
                    rename: function (dest, src) { return src + '-annotated'; },


After executing grunt ngAnnotate, you’ll get file a.js annotated and saved under the same name, file b.js annotated and saved as c.js and files d.js and e.js concatenated, annotated and saved as f.js. Annotations will be saved using single quotes.

An annotated version of the f.js file will be saved as f.annotated.js and an annotated version of the g.js file will be saved as g.js-annotated.

Supported Node.js versions

This project aims to support all Node.js LTS versions in the “active” phase (see LTS README for more details) as well as the latest stable Node.js. Today that means Node.js 0.12, 4 & 5.


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.


Copyright © 2014 Michał Gołębiowski. Licensed under the MIT license.

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