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disconnected
Advanced tools
In less than 0.5K, it enables connected
and disconnected
element's listeners in hyperHTML, but it can also be used with any other library/vanilla JS.
The only optional dependencies it has are constructable Event
and the WeakSet
. Both must be passed along as configuration object, and polyfills might be needed only for legacy browsers.
// requires both modern Event and WeakSet
import disconnected from 'disconnected';
const observe = disconnected({Event, WeakSet});
observe(mainElement);
mainElement.addEventListener('connected', () => {
console.log('I am alive ;-)');
});
mainElement.addEventListener('disconnected', () => {
console.log('but now I am out O_O');
});
observe(subElement);
observe(topElement);
observe(anyElement);
Even IE9, as long as a usable Event
and WeakSet
are provided.
attributechanged
?You got it, sharing same API, needing same Event
poly, if necessary.
Using with-level-0 would make it possible to have el.onconnected = ...
simplification too.
withLevel0('connected');
withLevel0('disconnected');
// remember to observe the node
var div = observe(document.createElement('div'));
// add your Level 0 listener
div.onconnected = function () {
div.textContent = 'Level 0';
};
// that's it!
document.body.appendChild(div);
// feel free to clean it up via
div.onconnected = null;
FAQs
Enables `connected` and `disconnected` element's listeners.
We found that disconnected demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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