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Browser-side PDF to PNG conversion

Setup

Configure the worker by adding this to your Webpack configuration:

// webpack.config.js
{
  module: {
    rules: [
      {
        test: /pdf\.worker\.js$/,
        use: { loader: 'worker-loader', options: { inline: true } }
      }
    ]
  }
}

The inline option is not strictly necessary per se but highly advised to play well with Cross-Origin Policy.

Usage

import pdfToPng from "pdf-to-png";

// [...]

const pngBlob = await pdfToPng(pdfBlob);

Take a Blob as its unique mandatory argument and returns another Blob.

Most of the time, the entry will be a very specific type of Blob, the File.

See here for a simple and self-contained implementation example (in a React context).

Caveats

Implicit dependency to Webpack at the moment, due to the way workers are handled.

Development

Release

yarn prepublish
git add lib/ && git commit -m "<version>"
git push origin master
git tag <version>
git push origin <version>

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