chore(build): try to build demo and docs (#3434)

extensions/dicom-video/.webpack/webpack.prod.js

@@ -1,15 +1,20 @@
 const webpack = require('webpack');
-const merge = require('webpack-merge');
+const { merge } = require('webpack-merge');
 const path = require('path');
 const webpackCommon = require('./../../../.webpack/webpack.base.js');
 const pkg = require('./../package.json');
+const BundleAnalyzerPlugin = require('webpack-bundle-analyzer')
+  .BundleAnalyzerPlugin;
 
 const ROOT_DIR = path.join(__dirname, './..');
 const SRC_DIR = path.join(__dirname, '../src');
 const DIST_DIR = path.join(__dirname, '../dist');
+const ENTRY = {
+  app: `${SRC_DIR}/index.tsx`,
+};
 
 module.exports = (env, argv) => {
-  const commonConfig = webpackCommon(env, argv, { SRC_DIR, DIST_DIR });
+  const commonConfig = webpackCommon(env, argv, { SRC_DIR, ENTRY, DIST_DIR });
 
   return merge(commonConfig, {
     stats: {
@@ -25,19 +30,26 @@ module.exports = (env, argv) => {
     },
     optimization: {
       minimize: true,
-      sideEffects: true,
+      sideEffects: false,
     },
     output: {
       path: ROOT_DIR,
-      library: 'OHIFExtDICOMSR',
+      library: 'ohif-extension-dicom-video',
       libraryTarget: 'umd',
-      libraryExport: 'default',
       filename: pkg.main,
     },
+    externals: [
+      /\b(vtk.js)/,
+      /\b(dcmjs)/,
+      /\b(gl-matrix)/,
+      /^@ohif/,
+      /^@cornerstonejs/,
+    ],
     plugins: [
       new webpack.optimize.LimitChunkCountPlugin({
         maxChunks: 1,
       }),
+      // new BundleAnalyzerPlugin(),
     ],
   });
 };