rimmel/dist/esm/sources/last-touch-xy-source.js

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

import { map } from 'rxjs';
import { inputPipe } from '../utils/input-pipe.js';

/**
 * An Event Operator emitting the "[x, y]" coordinates of the last touch event
 * @returns OperatorFunction<TouchEvent, Coords>
*/
const lastTouchXY = map((e) => {
    const t = [...e.touches].at(-1);
    return [t?.clientX, t?.clientY];
});
/**
 * An Event Source emitting the "[x, y]" coordinates of the last touch event
 * @returns EventSource<Coords>
*/
const LastTouchXY = inputPipe(lastTouchXY);

export { LastTouchXY, lastTouchXY };
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