@mattburlage/react-file-viewer/config/jest/fileTransform.js

Extendable file viewer for web

// Copyright (c) 2017 PlanGrid, Inc.
// transform file imports into filenames
const path = require('path');

module.exports = {
  process(src, filename) {
    return 'module.exports = ' + JSON.stringify(path.basename(filename)) + ';';
  }
};