cheveguerra/whatsapp-web.js
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feat: [Updated] Loading screen listener with percent and message (#1563)

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* last update

* eslint fix

* headless fix

* Update index.d.ts

Co-authored-by: stefanfuchs <stefan1234@gmail.com>

* Update index.d.ts - Add 'LOADING_SCREEN' type to Enum

Co-authored-by: stefanfuchs <stefan1234@gmail.com>
Co-authored-by: Rajeh Taher <rajeh@reforward.dev>
This commit is contained in:
tonbotfy
2022-08-09 12:27:35 -03:00
committed by GitHub
parent 6e047cb9be
commit c5c705a553
4 changed files with 55 additions and 0 deletions
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46
src/Client.js
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@@ -115,6 +115,52 @@ class Client extends EventEmitter {
referer: 'https://whatsapp.com/'
});
await page.evaluate(`function getElementByXpath(path) {
return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
}`);
let lastPercent = null,
lastPercentMessage = null;
await page.exposeFunction('loadingScreen', async (percent, message) => {
if (lastPercent !== percent || lastPercentMessage !== message) {
this.emit(Events.LOADING_SCREEN, percent, message);
lastPercent = percent;
lastPercentMessage = message;
}
});
await page.evaluate(
async function (selectors) {
var observer = new MutationObserver(function () {
let progressBar = window.getElementByXpath(
selectors.PROGRESS
);
let progressMessage = window.getElementByXpath(
selectors.PROGRESS_MESSAGE
);
if (progressBar) {
window.loadingScreen(
progressBar.value,
progressMessage.innerText
);
}
});
observer.observe(document, {
attributes: true,
childList: true,
characterData: true,
subtree: true,
});
},
{
PROGRESS: '//*[@id=\'app\']/div/div/div[2]/progress',
PROGRESS_MESSAGE: '//*[@id=\'app\']/div/div/div[3]',
}
);
const INTRO_IMG_SELECTOR = '[data-testid="intro-md-beta-logo-dark"], [data-testid="intro-md-beta-logo-light"], [data-asset-intro-image-light="true"], [data-asset-intro-image-dark="true"]';
const INTRO_QRCODE_SELECTOR = 'div[data-ref] canvas';