gluon/gluon/index.js

104 lines
3.3 KiB
JavaScript

const rgb = (r, g, b, msg) => `\x1b[38;2;${r};${g};${b}m${msg}\x1b[0m`;
global.log = (...args) => console.log(`[${rgb(88, 101, 242, 'Gluon')}]`, ...args);
process.versions.gluon = '5.0-dev';
import { join, dirname } from 'path';
import { access } from 'fs/promises';
import { fileURLToPath } from 'url';
import Chromium from './browser/chromium.js';
import Firefox from './browser/firefox.js';
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
const browserPathsWin = {
chrome_stable: join(process.env.PROGRAMFILES, 'Google', 'Chrome', 'Application', 'chrome.exe'),
chrome_canary: join(process.env.LOCALAPPDATA, 'Google', 'Chrome SxS', 'Application', 'chrome.exe'),
edge: join(process.env['PROGRAMFILES(x86)'], 'Microsoft', 'Edge', 'Application', 'msedge.exe'),
firefox: join(process.env.PROGRAMFILES, 'Mozilla Firefox', 'firefox.exe'),
firefox_nightly: join(process.env.PROGRAMFILES, 'Firefox Nightly', 'firefox.exe'),
// todo: add more common good paths/browsers here
};
const exists = path => access(path).then(() => true).catch(() => false);
const findBrowserPath = async (forceBrowser) => {
if (forceBrowser) return [ browserPathsWin[forceBrowser], forceBrowser ];
let whichBrowser = '';
for (const x of Object.keys(browserPathsWin)) {
if (process.argv.includes('--' + x) || process.argv.includes('--' + x.split('_')[0])) {
whichBrowser = x;
break;
}
}
if (!whichBrowser) {
for (const x in browserPathsWin) {
log('checking if ' + x + ' exists:', browserPathsWin[x], await exists(browserPathsWin[x]));
if (await exists(browserPathsWin[x])) {
whichBrowser = x;
break;
}
}
}
if (!whichBrowser) return null;
return [ browserPathsWin[whichBrowser], whichBrowser ];
};
const getFriendlyName = whichBrowser => whichBrowser[0].toUpperCase() + whichBrowser.slice(1).replace(/[a-z]_[a-z]/g, _ => _[0] + ' ' + _[2].toUpperCase()).replace(' Stable', '');
const getDataPath = () => join(__dirname, '..', 'chrome_data');
const startBrowser = async (url, { windowSize, forceBrowser }) => {
const dataPath = getDataPath();
const [ browserPath, browserName ] = await findBrowserPath(forceBrowser);
const browserFriendlyName = getFriendlyName(browserName);
log('browser path:', browserPath);
log('data path:', dataPath);
if (!browserPath) return log('failed to find a good browser install');
const browserType = browserName.startsWith('firefox') ? 'firefox' : 'chromium';
return await (browserType === 'firefox' ? Firefox : Chromium)({
browserName: browserFriendlyName,
dataPath,
browserPath
}, {
url,
windowSize
});
};
export const open = async (url, { windowSize, onLoad, forceBrowser } = {}) => {
log('starting browser...');
const Browser = await startBrowser(url, { windowSize, forceBrowser });
if (onLoad) {
const toRun = `(() => {
if (window.self !== window.top) return; // inside frame
(${onLoad.toString()})();
})();`;
Browser.window.eval(toRun);
await Browser.cdp.send(`Page.enable`);
await Browser.cdp.send(`Page.addScriptToEvaluateOnNewDocument`, {
source: toRun
});
}
return Browser;
};