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Code Issues Releases Wiki Activity

Subscriber: Make onmessage be async

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jeremy@jermolene.com 2021-02-22 22:39:37 +00:00
parent 58d291c116
commit e31a201269
1 changed files with 6 additions and 5 deletions
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11
core/modules/utils/messaging.js
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@ -22,7 +22,7 @@ Class to handle subscribing to publishers
target: Target window (eg iframe.contentWindow)
type: String indicating type of item for which subscriptions are being provided (eg "SAVING")
onsubscribe: Function to be invoked with err parameter when the subscription is established, or there is a timeout
onmessage: Function to be invoked when a new message arrives. Returns the results to be replied
onmessage: Function to be invoked when a new message arrives, invoked with (data,callback). The callback is invoked with the argument (response)
*/
function BrowserMessagingSubscriber(options) {
var self = this;
@ -42,10 +42,11 @@ function BrowserMessagingSubscriber(options) {
self.hasConfirmed = true;
self.onsubscribe(null);
} else if(event.data.verb === self.type) {
var response = self.onmessage(event.data);
// Send the response back on the supplied port, and then close it
event.ports[0].postMessage(response);
event.ports[0].close();
self.onmessage(event.data,function(response) {
// Send the response back on the supplied port, and then close it
event.ports[0].postMessage(response);
event.ports[0].close();
});
}
}
});