utils function

sleep, waitUntil, tryCatch...

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換行

// ==UserScript==
// @name         utils function
// @namespace    http://tampermonkey.net/
// @version      0.0.1
// @description  sleep, waitUntil, tryCatch...
// @author       zhowiny
// @match        *://*/*
// @icon         data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1em' height='1em' viewBox='0 0 24 24'%3E%3C!-- Icon from Material Design Icons by Pictogrammers - https://github.com/Templarian/MaterialDesign/blob/master/LICENSE --%3E%3Cpath fill='currentColor' d='M12.42 5.29c-1.1-.1-2.07.71-2.17 1.82L10 10h2.82v2h-3l-.44 5.07A4.001 4.001 0 0 1 2 18.83l1.5-1.5c.33 1.05 1.46 1.64 2.5 1.3c.78-.24 1.33-.93 1.4-1.74L7.82 12h-3v-2H8l.27-3.07a4.01 4.01 0 0 1 4.33-3.65c1.26.11 2.4.81 3.06 1.89l-1.5 1.5c-.25-.77-.93-1.31-1.74-1.38M22 13.65l-1.41-1.41l-2.83 2.83l-2.83-2.83l-1.43 1.41l2.85 2.85l-2.85 2.81l1.43 1.41l2.83-2.83l2.83 2.83L22 19.31l-2.83-2.81z'/%3E%3C/svg%3E
// @grant        none
// ==/UserScript==
 
async function sleep(time) {
  return new Promise(resolve => setTimeout(resolve, time));
}
 
async function waitUntil(condition, timeout) {
  return new Promise((resolve, reject) => {
    const t = Date.now();
    const raf = async () => {
      if (await condition()) {
        resolve();
      } else if (timeout > 0 && Date.now() - t > timeout) {
        reject({message: `timeout(${timeout})`});
      } else {
        requestAnimationFrame(raf);
      }
    }
    requestAnimationFrame(raf);
  });
}
 
async function tryCatch(promise) {
  try {
    const data = await promise;
    return { data, error: null };
  } catch (error) {
    return { data: null, error: error };
  }
}
 
(function() {
    'use strict';
    window.__utils__ = {
        sleep,
        waitUntil,
        tryCatch,
    }
})();

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