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post

v0.0.1

Published

Emitter-like component to create safe cross origin communication

Downloads

2,848

Readme

post

Emitter-like component that enables safe cross origin communication. Its nice and clean API makes it easy to send messages to workers, extensions, iframes or cross origin web apps.

Installation

$ component install bredele/post

standalone:

<script src="post.js"></script>

Post support all mainstream browsers and IE.

API

Post inherits from 'Emitter' and can be used as a regular emitter or post messages safely to a cross origin.

Post(obj)

Post instance:

var Post = require('post');
var post = new Post();
post.emit('something');

.emit(event, ...)

Emit an event with variable option args.

Send a message locally:

post.emit('message');

Send a message to a cross origin (default is window origin):

post.emit('message')(); //same window origin

post.emit('message')('http://otherdomain.org'); //cross origin

.on(event, fn)

Register and execute handler fn when event is received from same or cross origin.

post.on('message', function() {
  //do something
});

.off(event, fn)

  • Pass event and fn to remove a listener.
  • Pass event to remove all listeners on that event.
  • Pass nothing to remove all listeners on all events.

.dispose()

Memory safety (remove cross origin listeners).

License

The MIT License (MIT)

Copyright (c) 2014 Olivier Wietrich [email protected]

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.