pdf-export

An utility tool for export an url to pdf, which depend on chrome headless mode.
For client side rendered webpage. You should invoke window.__notifyPageRenderFinished() to notify the exporter, or just wait for timeout.

Document

1. Constructor(options: IPDFExportOptions): ICDPClient

   contstructor an exporter instance.

2. export({ url: string, cookies?: ICookieItem[] }): Promise

   Visit the url with the given cookies.

3. dispose():void

   Kill the child chrome process.

How to use.

1. Install chrome/chromium on your system.

2. npm install pdf-export

3. Usage

   const fs = require('fs');
   const PDFExportor = require('pdf-export').default;
   const exporter = new PDFExportor({
     host: 'localhost',
     port: 9333,
     chromeBin: '/Applications/Google Chrome.app/Contents/MacOS/Google Chrome',
     timeout: 5000,
   });
    
   function main() {
     Promise.all([
       exporter.export('http://localhost:8082/test1.html').then(buffer => {
         fs.writeFileSync('test1.pdf', buffer);
       }),
       exporter.export('http://localhost:8082/test2.html').then(buffer => {
         fs.writeFileSync('test2.pdf', buffer);
       }),
       exporter.export('http://localhost:8082/test1.html').then(buffer => {
         fs.writeFileSync('test3.pdf', buffer);
       }),
       exporter.export('http://localhost:8082/test2.html').then(buffer => {
         fs.writeFileSync('test4.pdf', buffer);
       }),
     ]).then(exporter.dispose.bind(exporter), console.log)
   }
   main();

Other

This library depend on chrome-remote-interface, which not provide typescript type definitions. So I just write a partial definitions of chrome-remote-inteface library.