LayoutTests/imported/w3c/web-platform-tests/clipboard-apis/resources/user-activation.js - WebKit - Git at Google

 'use strict';

 // In order to use this function, please import testdriver.js and
 // testdriver-vendor.js, and include a <body> element.
 async function waitForUserActivation() {
   if (window.opener) {
     throw new Error(
         "waitForUserActivation() only works in the top-level frame");
   }
   const loadedPromise = new Promise(resolve => {
     if(document.readyState == 'complete') {
       resolve();
       return;
     }
     window.addEventListener('load', resolve, {once: true});
   });
   await loadedPromise;

   const clickedPromise = new Promise(resolve => {
     document.body.addEventListener('click', resolve, {once: true});
   });

   test_driver.click(document.body);
   await clickedPromise;
 }
	'use strict';

	// In order to use this function, please import testdriver.js and
	// testdriver-vendor.js, and include a <body> element.
	async function waitForUserActivation() {
	if (window.opener) {
	throw new Error(
	"waitForUserActivation() only works in the top-level frame");
	}
	const loadedPromise = new Promise(resolve => {
	if(document.readyState == 'complete') {
	resolve();
	return;
	}
	window.addEventListener('load', resolve, {once: true});
	});
	await loadedPromise;

	const clickedPromise = new Promise(resolve => {
	document.body.addEventListener('click', resolve, {once: true});
	});

	test_driver.click(document.body);
	await clickedPromise;
	}