Document pdfjs-dist/webpack

[maclockard]

The current webpack example makes no mention of this as an option or how to correctly use it with worker loader. Instead, I only found it by looking at this comment: #7612 (comment)

[dhuang612]

I would like to take a look at this, it's my first time trying to contribute to an open source project.
So from what I understand, to make this contribution. I would download the project add in the information from the comment and make a PR back up to you guys for review?

[timvandermeij]

Exactly. I think a solution for this would be to extend https://github.com/mozilla/pdf.js/blob/master/examples/webpack/README.md with information about pdfjs-dist/webpack.

[mcorteel-harel]

Just to clarify, what I get from this is that if you are using webpack, you should import PDF.js this way:

import * as pdfjsLib from 'pdfjs-dist/webpack';

instead of

import * as pdfjsLib from 'pdfjs-dist';

I was half-considering not coming back to my job and changing my name before I stumbled on this! Almost lost a full day of work on this...

[erkebek]

Would be great to have documentation also on how to use built-in viewer with Webpack.