4.1.3 • Published 4 years ago

@packaged-ui/frame-courier v4.1.3

Weekly downloads
20
License
MIT
Repository
-
Last release
4 years ago

FrameCourier

High level interface to window.postMessage. This package makes it easy to send and receive secure messages cross-origin.

Launching Demo

  1. Compile the distribution (yarn install && yarn build)
  2. Serve the demo. The simplest way (if you have php enabled) is to use the php built-in webserver php -s localhost:8111 -t .
  3. Open the browser http://localhost:8111/demo/

Basic Usage

Frames

FrameCourier requires frames to be named. This name will be used as the target of communication of FrameCourier.sendMessage

<body>
  <iframe courier-name="myframe" src="/myframe.html"></iframe>
</body>

Listeners

FrameCourier.listen(
  'my event',
  function(payload) { alert(payload); }
);

Sending Messages

FrameCourier.send(
  'myframe',     // target frame name
  'my event',    // event (listener)
  'my message'   // payload
);

Advanced Usage

Bidirectional communication

Use built in response callbacks to send messages back to the originating frame.

FrameCourier.listen(
  'my event',
  function(payload, respond) { alert(payload); respond('response payload'); }
);
FrameCourier.send(
  'myframe',     // target frame name
  'my event',   // action (listener)
  'my message',  // payload
  function(responsePayload) { alert('got response: ' + responsePayload); }
);

Implementation

  • Use /dist/frame-courier.min.js to have FrameCourier assigned as a global variable.
  • Import /src/index.js into your script to assign to your own internal variable.
console-polyfillcurrent-script-polyfillcustom-eventhash-sum
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