angular-post-message

Allow angularJS to listen and publish cross-document messages though window.postMessage API.

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AngularJS postMessage API
Allow angularJS to listen and publish cross-document messages though window.postMessage API.
Cross-document messaging is compatible with the following browsers as seen on Can I Use:
  • Internet Explorer 8+
  • Firefox 3+
  • Chrome 4+
  • Safari 4+
  • Opera 9.5+
  • iOS Safari 3.2+
  • Opera Mini 5+
  • Android Browser 2.1+
  • Blackberry Browser 7+
  • Opera Moble 10+
  • Chrome for Android 30+
  • Firefox for Android 25+
  • Internet Exploer Mobile 10+

Partial support in IE8-9 refers to only working in frames/iframes (not other tabs/windows). Also in IE 9 and below an object cannot be sent using postMessage. Partial support in IE10 refers to limitations in certain conditions
Tested on AngularJS versions 1.2, 1.3 and 1.4 in Chrome, Firefox, Opera, and IE9+.
IE8 is not officially supported by AngularJS

Installation

The repository comes with the modules pre-built and compressed into the dist/ directory.
Install the component via bower
bower install angular-post-message
Or alternatively checkout this repo into your project.
Then include dist/angular-post-message.min.js into your project.

Example

This is a simple example which uses postMessage to deliver messages between two origins. There is a gist which will deliver a message every second

index.html

<html>
  <head>
    <script src="bower_components/angular/angular.js"></script>
    <script src="bower_components/angular-post-message/angular-post-message.js"></script>
  </head>
  <body>
    <iframe src="https://rawgit.com/kylewelsby/585b3a5395c6731acc50/raw/f661e856adbccf39549ed7c550661f09158f8d55/index.html"></iframe>
    <br>
    <button ng-click="sendMessage();">Send response</button>
    <br>
    <ol>
      <li ng-repeat="message in messages">{{message}}</li>
    </ol>
  </body>
</html>

app.js

var app = angular.module('app',['ngPostMessage']);
app.controller('MainCtrl', function($scope) {
  $scope.messages = [];
  $scope.$root.$on('$messageIncoming', function (event, data){
    $scope.messages.push(angular.fromJson(data));
  });
  $scope.sendMessage = function (){
    $scope.$emit(
      '$messageOutgoing',
      angular.toJson({"response":"hi"})
    );
  };
});

Development

You do not need to build the project to use it, but if you are working on it then this is what you need to know.

Requirements

Testing

To run all the tests
npm test
To run tests while developing (limited to latest Angular version on Google Chrome)
karma start
or run tests once
./scripts/ci