old_contents: import babel from 'rollup-plugin-babel'
  import commonjs from 'rollup-plugin-commonjs'
  import external from 'rollup-plugin-peer-deps-external'
  import postcss from 'rollup-plugin-postcss'
  import resolve from 'rollup-plugin-node-resolve'
  import url from 'rollup-plugin-url'
  import pkg from './package.json'
  // Deal with https://github.com/rollup/rollup-plugin-commonjs/issues/297
  import builtins from 'rollup-plugin-node-builtins';
  
  const globals =  {
    'react': 'React',
    'react-dom': 'ReactDOM',
    'react-redux': 'ReactRedux',
    'react-resize-detector': 'ReactResizeDetector',
    'prop-types': 'PropTypes',
    'cornerstone-core': 'cornerstone',
    'cornerstone-wado-image-loader': 'cornerstoneWADOImageLoader',
    'cornerstone-math': 'cornerstoneMath',
    'cornerstone-tools': 'cornerstoneTools',
    'dcmjs': 'dcmjs',
    'dicom-parser': 'dicomParser',
    'ohif-core': 'OHIF',
    'hammerjs': 'Hammer'
  };
  
  export default {
    input: 'src/index.js',
    output: [
      {
        file: pkg.main,
        format: 'umd',
        name: 'ohif-vtk-extension',
        sourcemap: true,
        globals
      },
      {
        file: pkg.module,
        format: 'es',
        sourcemap: true,
        globals
      }
    ],
    plugins: [
      builtins(),
      external(),
      postcss({
        modules: false
      }),
      url(),
      babel({
        exclude: 'node_modules/**',
        externalHelpers: true,
        runtimeHelpers: true
      }),
      resolve(),
      commonjs({
        include: ['node_modules/**', '.yalc/**'],
        namedExports: {
            'node_modules/react-vtkjs-viewport/dist/index.js': [
              'getImageData',
              'loadImageData',
              'VTKViewport',
              'VTKMPRViewport',
            ],
            '.yalc/react-vtkjs-viewport/dist/index.js': [
              'getImageData',
              'loadImageData',
              'VTKViewport',
              'VTKMPRViewport',
            ]
        }
      })
    ],
    external: Object.keys(pkg.peerDependencies || {}),
  }
  
new_contents: import babel from 'rollup-plugin-babel'
  import commonjs from 'rollup-plugin-commonjs'
  import external from 'rollup-plugin-peer-deps-external'
  import postcss from 'rollup-plugin-postcss'
  import resolve from 'rollup-plugin-node-resolve'
  import url from 'rollup-plugin-url'
  import pkg from './package.json'
  // Deal with https://github.com/rollup/rollup-plugin-commonjs/issues/297
  import builtins from 'rollup-plugin-node-builtins';
  
  const globals =  {
    'react': 'React',
    'react-dom': 'ReactDOM',
    'react-redux': 'ReactRedux',
    'react-resize-detector': 'ReactResizeDetector',
    'react-viewerbase': 'reactViewerbase',
    'prop-types': 'PropTypes',
    'cornerstone-core': 'cornerstone',
    'cornerstone-wado-image-loader': 'cornerstoneWADOImageLoader',
    'cornerstone-math': 'cornerstoneMath',
    'cornerstone-tools': 'cornerstoneTools',
    'dcmjs': 'dcmjs',
    'dicom-parser': 'dicomParser',
    'ohif-core': 'OHIF',
    'hammerjs': 'Hammer'
  };
  
  export default {
    input: 'src/index.js',
    output: [
      {
        file: pkg.main,
        format: 'umd',
        name: 'ohif-vtk-extension',
        sourcemap: true,
        globals
      },
      {
        file: pkg.module,
        format: 'es',
        sourcemap: true,
        globals
      }
    ],
    plugins: [
      builtins(),
      external(),
      postcss({
        modules: false
      }),
      url(),
      babel({
        exclude: 'node_modules/**',
        externalHelpers: true,
        runtimeHelpers: true
      }),
      resolve(),
      commonjs({
        include: ['node_modules/**', '.yalc/**'],
        namedExports: {
            'node_modules/react-vtkjs-viewport/dist/index.js': [
              'getImageData',
              'loadImageData',
              'VTKViewport',
              'VTKMPRViewport',
            ],
            '.yalc/react-vtkjs-viewport/dist/index.js': [
              'getImageData',
              'loadImageData',
              'VTKViewport',
              'VTKMPRViewport',
            ]
        }
      })
    ],
    external: Object.keys(pkg.peerDependencies || {}),
  }
  
subject: add react-viewerbase to globals