AMD pubsub: Difference between revisions
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// Module A. | // Module A. | ||
require(['core/pubsub'], function(PubSub) { | require(['core/pubsub'], function(PubSub) { | ||
Revision as of 08:24, 15 July 2021
Moodle 3.6
What is this?
A simple module to do event subscription and publishing in JavaScript. It was added to avoid the need to use jQuery and the DOM.
Why would I use it?
Allows modules to communicate with one another indirectly without the need to include jQuery or touch the DOM.
Example
// Module A.
require(['core/pubsub'], function(PubSub) {
PubSub.publish('example-event', someData);
});
// Module B.
require(['core/pubsub'], function(PubSub) {
PubSub.subscribe('example-event', function(someData) {
console.log('Received', someData);
});
});
