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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | 1x 6x 6x 6x 6x 6x | /**
* Copyright (c) Siemens 2016 - 2025
* SPDX-License-Identifier: MIT
*/
// Adds a window listener which can optionally be active, returns the unregister function.
// For some events (e.g. "touchmove") an explicit "passive: false" is required in order to
// be able to do $event.preventDefault(). Unfortunately there is no way in Angular to pass
// options to Rendrer2/EventManager event handling.
export const listenGlobal = (
eventName: string,
handler: (e: any) => void,
active?: boolean
): (() => void) => {
let opts: any = false;
Iif (active !== undefined) {
opts = { passive: !active };
}
window.addEventListener(eventName, handler, opts);
return () => {
window.removeEventListener(eventName, handler, opts);
};
};
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