getPromiseSettledAnytimes

code:mod.ts

export function getPromiseSettledAnytimes<T, E = unknown>() {

let _resolve: ((value: T) => void) | undefined;

let _reject: ((value: E) => void) | undefined;

const waitForSettled = () => new Promise<T>(

(res, rej) => {

_resolve = res;

_reject = rej;

},

);

const resolve = (value: T) => _resolve?.(value);

const reject = (reason: E) => _reject?.(reason);

}

code:ts

addEventListener("mousemove", resolve);

addEventListener("mouseup", resolve);

while (true) {

const moveEvent = await waitMove();

if (moveEvent.type === "mouseup") break;

// ...

}

removeEventListener("mousemove", resolve);

removeEventListener("mouseup", resolve);

一周回って戻ってきた