PDF Generator
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yinka/pdf-generator
A fork of the url-to-pdf actor with added name input and delay until the network is idle. Opens a web page in headless Chrome using Puppeteer and prints the output to a PDF file.
Dockerfile
1# This is a template for a Dockerfile used to run acts in Actor system.
2# The base image name below is set during the act build, based on user settings.
3# IMPORTANT: The base image must set a correct working directory, such as /usr/src/app or /home/user
4FROM apify/actor-node-puppeteer:beta
5
6# Second, copy just package.json and package-lock.json since it should be
7# the only file that affects "npm install" in the next step, to speed up the build
8COPY package*.json ./
9
10# Install NPM packages, skip optional and development dependencies to
11# keep the image small. Avoid logging too much and print the dependency
12# tree for debugging
13RUN npm --quiet set progress=false \
14 && npm install --only=prod --no-optional \
15 && echo "Installed NPM packages:" \
16 && (npm list --all || true) \
17 && echo "Node.js version:" \
18 && node --version \
19 && echo "NPM version:" \
20 && npm --version
21
22# Copy source code to container
23# Do this in the last step, to have fast build if only the source code changed
24COPY . ./
25
26# NOTE: The CMD is already defined by the base image.
27# Uncomment this for local node inspector debugging:
28# CMD [ "node", "--inspect=0.0.0.0:9229", "main.js" ]package.json
1{
2 "name": "apify-project",
3 "version": "0.0.1",
4 "description": "",
5 "author": "It's not you it's me",
6 "license": "ISC",
7 "dependencies": {
8 "apify": "latest"
9 },
10 "scripts": {
11 "start": "node main.js"
12 }
13}main.js
1const Apify = require('apify');
2
3Apify.main(async () => {
4 console.log('Fetching input...');
5 const input = await Apify.getValue('INPUT');
6 if (!input || typeof(input.url) !== 'string') {
7 throw new Error('Input must be an object with the "url" property');
8 }
9
10 console.log('Launching headless Chrome...');
11 const browser = await Apify.launchPuppeteer();
12 const page = await browser.newPage();
13 await page.emulateMedia('screen');
14
15 console.log(`Loading page (url: ${input.url})...`);
16 await page.goto(input.url, {waitUntil: 'load'});
17
18 if (input.sleepMillis > 0) {
19 console.log(`Sleeping ${input.sleepMillis} millis...`);
20 await new Promise((resolve) => setTimeout(resolve, input.sleepMillis));
21 }
22
23 const opts = input.pdfOptions || {};
24 delete opts.path; // Don't store to file
25 console.log(`Printing to PDF (options: ${JSON.stringify(opts)})...`);
26 const pdfBuffer = await page.pdf(opts);
27
28 console.log(`Saving PDF (size: ${pdfBuffer.length} bytes) to output...`);
29 await Apify.setValue(input.name, pdfBuffer, { contentType: 'application/pdf' });
30
31 const storeId = process.env.APIFY_DEFAULT_KEY_VALUE_STORE_ID;
32
33 // NOTE: Adding disableRedirect=1 param, because for some reason Chrome doesn't allow pasting URLs to PDF
34 // that redirect into the browser address bar (yeah, wtf...)
35 console.log('PDF file has been stored to:');
36 console.log(`https://api.apify.com/v2/key-value-stores/${storeId}/records/${input.name}?disableRedirect=1`);
37});Developer
Yinka OlukorodeMaintained by Community
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