const puppeteer = require('puppeteer'); const {Logger, LogLevel} = require('plop-logger'); const {colorEmojiConfig} = require('plop-logger/lib/extra/colorEmojiConfig'); const handler = require('serve-handler'); const http = require('http'); Logger.config = colorEmojiConfig; Logger.config.defaultLevel = LogLevel.Debug; const logger = Logger.getLogger('pdf'); // Configuration const output = 'static/schedule/schedule.pdf'; const serverConf = { port: 8765, options: { "public": "./public" } }; const browserConf = { headless: true, args: ['--no-sandbox', '--disable-setuid-sandbox'], defaultViewport: {width: 1280, height: 1700}, margin: { top: "0cm", right: "0cm", bottom: "0cm", left: "0cm" }, devtools: false }; async function startServer({port, options}) { return new Promise((resolve, reject) => { const server = http.createServer((request, response) => handler(request, response, options)); server.listen(port, err => { if (err) { logger.error('Fail to start server', err); reject(err); } else { logger.info('Server started', () => `http://localhost:${port}`); resolve(server); } }); }); } async function stopServer(server) { return new Promise((resolve, reject) => { logger.info('Stopping server...'); server.close(err => { if (err) { logger.error('Fail to stop server', err); reject(err); } else { logger.info('Server stopped'); resolve(); } }); }); } async function cleanupBeforePrint(page) { const toHide = [ 'body > header', 'body > footer', 'main .hero', ]; await page.$$eval(toHide.join(','), elts => elts.forEach(elt => elt.parentNode.removeChild(elt))); await page.addStyleTag({ content: '@page { size: auto; }', }); } (async () => { const server = await startServer(serverConf); logger.info("launch puppeteer browser"); const browser = await puppeteer.launch(browserConf); try { logger.info("open new page"); const page = await browser.newPage(); logger.debug("opened new page"); const file = 'schedule/index.html'; const url = `http://localhost:${serverConf.port}/${file}`; logger.info("go to", url); const pageResponse = await page.goto(url, {waitUntil: 'networkidle2'}); logger.debug("done", pageResponse.statusText()); await cleanupBeforePrint(page); logger.info('export pdf', output); const format = 'A3'; const scale = .4; const printBackground = true; await page.pdf({path:output, format, scale, printBackground}); logger.debug("pdf done"); } catch (e) { console.error(e); logger.error('Oops!', e); } finally { logger.info('close puppeteer browser'); await browser.close(); await stopServer(server); } })();