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Use your angular templates with rails' asset pipeline



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 Project Readme

Angular Rails Templates

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Adds your HTML templates into Angular's $templateCache using Rails asset pipeline.

IMPORTANT: for Rails 4.2+ use version 1.0+ of this gem. For Rails 3 - 4.1 use version 0.x

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0-x-stable Build Status

It removes the need for AJAX calls to retrieve the templates (or for you to manually set them into the DOM).


1. Add the Gem

In Gemfile

gem 'angular-rails-templates'

2. Include Templates in Rails Asset Pipeline

Then, in your application.js file, require angular-rails-templates and your templates:

//= require angularjs
// ...
//= require angular-rails-templates
// Templates in app/assets/javascript/templates
//= require_tree ./templates
// OR
// Templates in app/assets/templates (but see step 5)
//= require_tree ../templates

Make sure to require angular-rails-templates before you require your templates.

Name your templates like you would name any other Rails view. The .html part is required. If it is not present your views will not be added to angular's template cache.


Angular Rails Templates will try to load support for the following markups if their gems are present:

Extension Required gem
.erb -
.str -
.haml haml
.slim slim
.md liquid, rdiscount, redcarpet, bluecloth, kramdown, maruku

See Advanced if you would like to use other markup languages.

3. Add a Dependency in your Angular Application Module

Your Angular module needs to depend on the templates module. (configurable, see Advanced Configuration)

angular.module('myApplication', ['templates']);

4. Use your Templates

No matter what the source file extension is, your template's url will be #{base_name}.html

For example:

main.html => main.html
widget.html.haml => widget.html
modals/confirm.html.slim => modals/confirm.html
modals/dialog.html.slim.erb.str => modals/dialog.html # don't do this

The templates can then be accessed via templateUrl as expected:

// Template: app/assets/templates/yourTemplate.html.haml
  templateUrl: 'yourTemplate.html'

Or anything else that uses $templateCache or $templateRequest

<div ng-include='"yourTemplate.html"'></div>

5. Avoid name collisions

If you have app/assets/javascript/user.js and app/assets/templates/user.html, the former one will actually hide the latter. This is due to how Rails asset pipeline sees asset files, both are served under /assets/user.js. Please use namespacing to combat this issue.

Advanced Configuration

Angular Rails Templates has some configuration options that can be set inside config/application.rb

Here are their default values:

# config/application.rb
config.angular_templates.module_name    = 'templates'
config.angular_templates.ignore_prefix  = %w(templates/)
config.angular_templates.inside_paths   = ['app/assets']
config.angular_templates.markups        = %w(erb str haml slim md)
config.angular_templates.extension      = 'html'

Configuration Option: module_name

This configures the module name that your templates will be placed into. It is used to generate javascript like:

angular.module("<%= module_name %>")...

Although it is not recommended, you can set module_name to the name of your main application module and remove require angular-rails-templates from your javascript manifest to have your templates directly injected into your app.

Configuration Option: ignore_prefix

If you place your templates in app/assets/templates this option is mostly useless.

ignore_prefix will be stripped from the beginning of the templateUrl it reports to angularjs.

Since the default ignore_prefix is [templates/], any templates placed under app/assets/javascripts/templates will automatically have short names. If your templates are not in this location, you will need to use the full path to the template.

You can set config.angular_templates.ignore_prefix to change the default ignore prefix. Default is [templates/].

// Templates in: app/assets/javascripts/templates (default)
// ignore_prefix: templates/ (default)
  templateUrl: 'yourTemplate.html'
// This won't work:
  templateUrl: 'templates/yourTemplate.html'
// Templates in: app/assets/javascripts/my_app/templates (custom)
// ignore_prefix: templates/ (default)
  templateUrl: 'my_app/templates/yourTemplate.html'

// ignore_prefix: my_app/templates/ (custom)
  templateUrl: 'yourTemplate.html'

Configuration Option: inside_paths

Templates only from paths matched by inside_paths will be used. By default anything under app/assets can be templates. This option is useful if you are using this gem inside an engine. Also useful if you DON'T want some files to be processed by this gem (see issue #88)

Configuration Option: markups

Any markup that Tilt supports can be used, but you may need to add a gem to your Gemfile. See Tilt for a list of the supported markups and required libraries.

# Gemfile
gem "asciidoctor"
gem "radius"
gem "creole"
gem "tilt-handlebars"

# config/application.rb
config.angular_templates.markups.push 'asciidoc', 'radius', 'wiki', 'hbs'

If you would like to use a non-standard extension or you would like to use a custom template, you just need to tell Tilt about it.

# config/initializers/angular_rails_templates.rb
Tilt.register Tilt::HamlTemplate, 'nghaml'

# config/application.rb
config.angular_templates.markups.push 'nghaml'

Note: You would still need to use foo.html.nghaml

Configuration Option: extension

By default this gem looks only at templates with .html suffix, eg. foo.html or foo.html.haml. This extension allows you to change that to another extension


MIT License. Copyright 2017 pitr

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