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Diffstat (limited to '')
-rw-r--r-- | remote/test/puppeteer/examples/custom-event.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/remote/test/puppeteer/examples/custom-event.js b/remote/test/puppeteer/examples/custom-event.js new file mode 100644 index 0000000000..960bca34ee --- /dev/null +++ b/remote/test/puppeteer/examples/custom-event.js @@ -0,0 +1,40 @@ +/** + * @license + * Copyright 2017 Google Inc. + * SPDX-License-Identifier: Apache-2.0 + */ + +'use strict'; + +const puppeteer = require('puppeteer'); + +(async () => { + const browser = await puppeteer.launch(); + const page = await browser.newPage(); + + // Define a window.onCustomEvent function on the page. + await page.exposeFunction('onCustomEvent', e => { + console.log(`${e.type} fired`, e.detail || ''); + }); + + /** + * Attach an event listener to page to capture a custom event on page load/navigation. + * @param {string} type Event name. + * @returns {!Promise} + */ + function listenFor(type) { + return page.evaluateOnNewDocument(type => { + document.addEventListener(type, e => { + window.onCustomEvent({type, detail: e.detail}); + }); + }, type); + } + + await listenFor('app-ready'); // Listen for "app-ready" custom event on page load. + + await page.goto('https://www.chromestatus.com/features', { + waitUntil: 'networkidle0', + }); + + await browser.close(); +})(); |