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https://github.com/endenwer/npm-rails

NPM support for Rails with Bundler-like DSL
https://github.com/endenwer/npm-rails

browserify npm rails

Last synced: 4 days ago
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NPM support for Rails with Bundler-like DSL

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# npm-rails

[![Gem Version](https://badge.fury.io/rb/npm-rails.svg)](https://badge.fury.io/rb/npm-rails)
[![Code Climate](https://codeclimate.com/github/endenwer/npm-rails/badges/gpa.svg)](https://codeclimate.com/github/endenwer/npm-rails)
[![Dependency Status](https://gemnasium.com/endenwer/npm-rails.svg)](https://gemnasium.com/endenwer/npm-rails)
[![Build Status](https://travis-ci.org/endenwer/npm-rails.svg?branch=master)](https://travis-ci.org/endenwer/npm-rails)
[![Coverage Status](https://coveralls.io/repos/github/endenwer/npm-rails/badge.svg?branch=master)](https://coveralls.io/github/endenwer/npm-rails?branch=master)

NPM support for Rails projects. It let you use Bundler-like DSL and rake tasks
for including npm packages. This gem based on Browserify for bundling packages
and resolve dependencies.

## Installation

Add this line to your application's Gemfile:

```ruby
gem 'npm-rails'
```

Then run:

rails g npm_rails:initialize

And require `npm-dependencies.js`:

//=require npm-dependencies

## Usage

1. Add a package to `npm_packages` file
2. Run `rake npm:install`
3. Use the package in your javascript code by calling the camelize name
or `build_name` if you set it

**Example `npm_packages` file**

```ruby
# call 'React' in your js code to use it
npm 'react'

# Set version
npm 'redux', '3.3.1'

# Set build_name to a package.
# Call '_' to get Underscore
npm 'underscore', build_name: '_'

# You can add a package for development
npm 'jasmine', development: true

# Or in block
development do
npm 'jasmine'
end

# Install a package but do not require it
npm 'browserify', require: false
```

## Configuration Options

The following options are available for configuration in your application or environment-level
config files (`config/application.rb`, `config/environments/development.rb`, etc.):

| Configuration Option | Description |
|-------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------- |
| `config.npm.package_file` | Specificies a package file. Default value: `npm_packages` |
| `config.npm.output_file` | Specifies a file where to bundle npm packages. Default value for production: `vendor/assets/javascripts/npm-rails/production/npm-dependencies.js`. Default value for other environments: `vendor/assets/javascripts/npm-rails/development/npm-dependencies.js` |
| `config.npm.browserify_options` | Sets options for browserify command. See all available options in [Browserify documentation](https://github.com/substack/node-browserify#usage) |
| `config.npm.run_before_assets_precompile` | If set to `true` then run `rake npm:install` before assets precompilation. Default value: `false` |

## How it works

The generator creates `npm_packages` file. This file contains a list of packages. Rake uses NPM to install the packages and Browserify to bundle them. Browserify output the bundled results to `output_file`(see configuration options), which are then loaded by sprockets. All packages attached to `window` by `build_name`, which by default is the camelize package name.