rimmel/dist/esm/lib/addListener.js

A Stream-Oriented UI library for the Rx.Observable Universe

import { isObservature } from './observature.js';
import { USE_DOM_OBSERVABLES } from '../constants.js';
import { toListener } from '../utils/to-listener.js';

const isEventListenerObject = (l) => !!l?.handleEvent;
const addListener = (node, eventName, listener, options) => {
    // We also force-add an event listener if we're inside a ShadowRoot (do we really need to?), as events inside web components don't seem to fire otherwise
    if (USE_DOM_OBSERVABLES && node.when) {
        // Explicitly excluding the isEventListenerObject as Domenic doesn't want .when() to support it
        if (!isEventListenerObject(listener)) {
            const source = node.when(eventName, options);
            if (isObservature(listener)) {
                listener.addSource(source);
            }
            else {
                // TODO: Add AbortController
                source.subscribe(listener);
            }
        }
    }
    else {
        node.addEventListener(eventName, toListener(listener), options);
        // #REF49993849837451
        // const listenerRef = [eventName, sourceBindingConfiguration.listener, sourceBindingConfiguration.options];
        // node.addEventListener(...listenerRef);
        // listeners.get(node)?.push?.(listenerRef) ?? listeners.set(node, [listenerRef]);
    }
    if (/^(?:rml:)?mount/.test(eventName)) {
        // Will this need to bubble up? (probably no)
        setTimeout(() => node.dispatchEvent(new Event(eventName)));
    }
};

export { addListener };
//# sourceMappingURL=addListener.js.map