@cornerstonejs/core/dist/esm/utilities/triggerEvent.js

Cornerstone3D Core

import eventTarget from '../eventTarget.js';
export default function triggerEvent(el = eventTarget, type, detail = null) {
    if (!type) {
        throw new Error('Event type was not defined');
    }
    const event = new CustomEvent(type, {
        detail,
        cancelable: true,
    });
    return el?.dispatchEvent(event);
}