// Press-and-hold to peek, mirroring the board's cell gesture. Touch has no
// hover, so every board fixture answers a 450ms hold with its tooltip.

const HOLD_MS = 450;

/** Wire the result's press/release to onpointerdown/-up/-leave. */
export function holdToPeek(fire: () => void) {
  let timer: ReturnType<typeof setTimeout> | null = null;
  return {
    press() {
      timer = setTimeout(fire, HOLD_MS);
    },
    release() {
      if (timer) clearTimeout(timer);
      timer = null;
    },
  };
}