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Updated Setup PDF.js in a website (markdown)

Yury Delendik 2015-12-21 16:03:33 -06:00
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Setup-PDF.js-in-a-website.md

@ -3,33 +3,35 @@ You can choose to use a pre-built version of PDF.js or build PDF.js from source.
## Pre-built PDF.js
### With npm
This works by loading the file `pdfjs-dist/build/pdf.js` after you have installed PDF.js using:
Add dependencies to your project:
npm install pdfjs-dist
npm install pdfjs-dist node-ensure --save
#### With Browserify or Webpack
Simple usage example:
If you use Browserify or Webpack there is an easy way to require the files:
```javascript
// In your Webpack config:
//
// Install `npm install url-loader` first.
// This will enable you to get the url of the worker and the pdf to use in the index.js.
// Notice that for the build process it might need some extra work.
webpackConfig.module.loaders = {
test: /\.pdf$|pdf\.worker\.js$/,
loader: "url-loader?limit=10000"
}
// in index.js
require('pdfjs-dist/build/pdf');
require('pdfjs-dist/web/pdf_viewer'); // Only if you need `PDFJS.PDFViewer`
// Webpack returns a string to the url because we configured the url-loader.
PDFJS.workerSrc = require('pdfjs-dist/build/pdf.worker.js');
var url = require('assets/books/my book.pdf');
PDFJS.getDocument(url).then(function(pdf) {/* Continue the normal tutorial from the README.*/})
```
require('pdfjs-dist');
var fs = require('fs');
var data = new Uint8Array(fs.readFileSync('helloworld.pdf'));
PDFJS.getDocument(data).then(function (pdfDocument) {
console.log('Number of pages: ' + pdfDocument.numPages);
});
```
Depending on APIs you are trying to use, you may need stuff some DOM APIs. See more complex example at https://github.com/mozilla/pdf.js/blob/master/examples/node/getinfo.js.
#### With Webpack
Add dependencies to your project:
npm install pdfjs-dist entry-loader --save-dev
To use the library in your project add `require('pdfjs-dist')` in your file requires and normally build your project.
See complete example at https://github.com/mozilla/pdf.js/tree/master/examples/webpack
### From examples
When the source code of PDF.js changes, the [online demo](http://mozilla.github.io/pdf.js/web/viewer.html) is automatically updated. The source of all demo files can easily be accessed at https://github.com/mozilla/pdf.js/tree/gh-pages. These files can also be uploaded to your server to use PDF.js to display PDF files from your website.