by vectart

vectart /ember-cli-pace

Pace.js load progress bar for Ember apps, incl. Flash-like initial script lazy loading

128 Stars 31 Forks Last release: over 4 years ago (0.1.0) MIT License 57 Commits 7 Releases

Available items

No Items, yet!

The developer of this repository has not created any items for sale yet. Need a bug fixed? Help with integration? A different license? Create a request here:

Pace.js load progress bar for Ember apps, incl. initial scripts lazy loading

Downloads Code Climate Ember Observer Score David Dependencies

Demo ➜


Using latest Ember-cli, run the command:

ember install ember-cli-pace

or for older versions:

npm install ember-cli-pace && ember g pace

Flash-like initial script loading

Due to application scripts loading may take some time (especially, using mobile networks or ADSL), Ember-cli-pace can load them asynchronously displaying correctly computed progress bar. To enable that feature, just change

attribute to
in your

Therefore, the scripts will be loaded via AJAX, which allows to compute loaded vs total bytes ratio. If your scripts are located on separate host, please note CORS policy.


All options, excluding

related to the addon, are documented on http://github.hubspot.com/pace/.
var ENV = {
  pace: {

// addon-specific options to configure theme
theme: 'minimal',
color: 'blue',

// pace-specific options
// learn more on http://github.hubspot.com/pace/#configuration
//           and https://github.com/HubSpot/pace/blob/master/pace.coffee#L1-L72
catchupTime: 50,
initialRate: .01,
minTime: 100,
ghostTime: 50,
maxProgressPerFrame: 20,
easeFactor: 1.25,
startOnPageLoad: true,
restartOnPushState: true,
restartOnRequestAfter: 500,
target: 'body',
elements: {
  checkInterval: 100,
  selectors: ['body', '.ember-view']
eventLag: {
  minSamples: 10,
  sampleCount: 3,
  lagThreshold: 3
ajax: {
  trackMethods: ['GET', 'POST', 'DELETE', 'OPTIONS'],
  trackWebSockets: true,
  ignoreURLs: []

} };


This addon is bundled with Material spinner theme, which is set by default. See it on demo page.

Pace.js originally provides 14 progress bar themes in 10 colors. See the progress bars and spinners in action: http://github.hubspot.com/pace/docs/welcome/

Pace.js themes

Pace API

More details on Pace events, methods and configuration could be found on http://github.hubspot.com/pace/

Developing ember-cli-pace

  • git clone
    this repository
  • npm install
  • bower install
  • ember server
  • Visit your app at http://localhost:4200.

For more information on using ember-cli, visit http://www.ember-cli.com/.

We use cookies. If you continue to browse the site, you agree to the use of cookies. For more information on our use of cookies please see our Privacy Policy.