From ea299d7b599099889f463e515face2efe176a691 Mon Sep 17 00:00:00 2001 From: Thorsten Vitt Date: Tue, 31 Mar 2020 00:01:31 +0200 Subject: [PATCH] Render script using puppeteer --- package-lock.json | 315 ++++++++++++++++++++++++++++++++++++++++ rendersvgs-puppeteer.js | 51 +++++++ 2 files changed, 366 insertions(+) create mode 100644 package-lock.json create mode 100644 rendersvgs-puppeteer.js diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..5edcb26 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,315 @@ +{ + "requires": true, + "lockfileVersion": 1, + "dependencies": { + "@types/mime-types": { + "version": "2.1.0", + "resolved": "https://registry.npmjs.org/@types/mime-types/-/mime-types-2.1.0.tgz", + "integrity": "sha1-nKUs2jY/aZxpRmwqbM2q2RPqenM=" + }, + "agent-base": { + "version": "5.1.1", + "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-5.1.1.tgz", + "integrity": 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+const fs = require('fs'); +const fsP = fs.promises; + + +const backend = process.argv[2], + input = process.argv[3], + output = process.argv[4], + links = process.argv[5], + linkout = process.argv[6]; + +if (process.argv.length !== 5 && process.argv.length !== 7) { + console.log('Usage: node rendersvgs.js backend input output [links linkoutput]'); +} else { + + (async () => { + try { + const browser = await puppeteer.launch({args: ['--no-sandbox'], /* headless: false, slowMo: 100, devtools: true, */ }); + const page = await browser.newPage(); + + page.on('console', msg => { + for (let i = 0; i < msg.args().length; ++i) + console.log(`${i}: ${msg.args()[i]}`); + }); + + await page.goto(backend, {waitUntil: "domcontentloaded"}); + + const transcript = await fsP.readFile(input, { encoding: "utf-8"}), + imagelinks = links? fsP.readFile(links, {encoding: "utf-8"}) : undefined; + + await page.waitForFunction("function() {return typeof(transcriptGeneration.createPromise) === 'function'}") + await page.$eval("#preload", el => el.parentNode.removeChild(el)); + const result = await page.evaluate((t, i) => { return transcriptGeneration.createPromise(t, i); }, transcript, imagelinks); + + await fsP.writeFile(output, result.svg, {encoding: "utf-8"}); + if (linkout) { + await fsP.writeFile(linkout, result.overlay, {encoding: "utf-8"}); + } + + await page.pdf({path: output.replace(/.svg$/, ".pdf"), + format: 'A4', + margin: '6pt'}); + await page.screenshot({path: output.replace(/.svg$/, ".png"), + fullPage: true}); + browser.close(); + } catch (e) { + console.error(e); + } + + })(); +}