chore(rollup, webpack): print license in vtk.js file

in prod build

Author: joannacirillo

rollup.config.js

@@ -22,6 +22,8 @@ import pkgJSON from './package.json';
 import { rewriteFilenames } from './Utilities/rollup/plugin-rewrite-filenames';
 import { generateDtsReferences } from './Utilities/rollup/plugin-generate-references';
 
+const fs = require('fs');
+
 const relatifyImports = require('./Utilities/build/rewrite-imports');
 
 const IGNORE_LIST = [
@@ -44,7 +46,6 @@ function ignoreFile(name, ignoreList = IGNORE_LIST) {
 
 const entryPoints = [
   path.join('Sources', 'macros.js'),
-  path.join('Sources', 'vtk.js'),
   path.join('Sources', 'favicon.js'),
   ...glob.sync('Sources/**/*.js').filter((file) => !ignoreFile(file)),
 ];
@@ -59,7 +60,8 @@ const outputDir = path.resolve('dist', 'esm');
 const dependencies = Object.keys(pkgJSON.dependencies || []);
 const peerDependencies = Object.keys(pkgJSON.peerDependencies || []);
 
-export default {
+export default [
+  {
   input: entries,
   output: {
     dir: outputDir,
@@ -105,9 +107,6 @@ export default {
     ...peerDependencies.map((name) => new RegExp(`^${name}`)),
   ],
   plugins: [
-    alias({
-      entries: [{ find: 'vtk.js', replacement: path.resolve(__dirname) }],
-    }),
     // ignore crypto module
     ignore(['crypto']),
     // needs to be before nodeResolve
@@ -249,4 +248,51 @@ export default {
       ],
     }),
   ],
-};
+  },
+  {
+    input: path.resolve(path.join('Sources', 'vtk.js')),
+    output: {
+      dir: outputDir,
+      format: 'es',
+      hoistTransitiveImports: false,
+      intro() {
+        return `/* ${fs.readFileSync(
+          path.resolve(__dirname, './LICENSE'),
+          'utf8'
+        )} */`;
+      },
+      manualChunks(id) {
+        // strip out full path to project root
+        return id.replace(`${path.resolve(__dirname)}${path.sep}`, '');
+      },
+    },
+    external: [
+      ...dependencies.map((name) => new RegExp(`^${name}`)),
+      ...peerDependencies.map((name) => new RegExp(`^${name}`)),
+    ],
+    plugins: [
+      alias({
+        entries: [{ find: 'vtk.js', replacement: path.resolve(__dirname) }],
+      }),
+      nodeResolve({
+        // don't rely on node builtins for web
+        preferBuiltins: false,
+        browser: true,
+      }),
+      !process.env.NOLINT &&
+        eslint({
+          include: '**/*.js',
+        }),
+      // commonjs should be before babel
+      commonjs({
+        transformMixedEsModules: true,
+      }),
+      // should be after commonjs
+      nodePolyfills(),
+      babel({
+        extensions: ['.js'],
+        babelHelpers: 'runtime',
+      }),
+    ],
+  },
+];

webpack.common.js

@@ -120,12 +120,18 @@ const baseConfig = {
             // transforms typescript defs to use absolute imports
             if (absoluteFrom.endsWith('.d.ts')) {
               return absolutifyImports(content.toString(), (relImport) => {
-                const importPath = path.join(path.dirname(absoluteFrom), relImport);
-                return path.join('vtk.js', path.relative(__dirname, importPath));
+                const importPath = path.join(
+                  path.dirname(absoluteFrom),
+                  relImport
+                );
+                return path.join(
+                  'vtk.js',
+                  path.relative(__dirname, importPath)
+                );
               });
             }
             return content;
-          }
+          },
         },
         { from: 'Utilities/prepare.js', to: 'Utilities/prepare.js' },
         { from: 'Utilities/XMLConverter', to: 'Utilities/XMLConverter' },
@@ -145,7 +151,7 @@ const baseConfig = {
             pkg.main = './vtk.js';
             delete pkg.module;
             return JSON.stringify(pkg, null, 2);
-          }
+          },
         },
       ],
     }),
@@ -190,10 +196,11 @@ const liteConfig = merge(
     },
     resolve: {
       alias: {
-        'vtk.js/Sources/Rendering/Core/ColorTransferFunction/ColorMaps.json': path.join(
-          __dirname,
-          'Sources/Rendering/Core/ColorTransferFunction/LiteColorMaps.json'
-        ),
+        'vtk.js/Sources/Rendering/Core/ColorTransferFunction/ColorMaps.json':
+          path.join(
+            __dirname,
+            'Sources/Rendering/Core/ColorTransferFunction/LiteColorMaps.json'
+          ),
       },
       fallback: { stream: require.resolve('stream-browserify') },
     },

webpack.prod.js

@@ -1,35 +1,18 @@
 // node modules
+const path = require('path');
 const { merge } = require('webpack-merge');
-const moment = require('moment');
 const webpack = require('webpack');
-const TerserPlugin = require("terser-webpack-plugin");
+const fs = require('fs');
+const TerserPlugin = require('terser-webpack-plugin');
 
 // webpack plugins
-const BundleAnalyzerPlugin = require('webpack-bundle-analyzer')
-  .BundleAnalyzerPlugin;
+const BundleAnalyzerPlugin =
+  require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
 
 // config files
 const common = require('./webpack.common.js');
 const settings = require('./webpack.settings.js');
 
-// Configure file banner
-function configureBanner() {
-  return {
-    banner: [
-      '/*!',
-      ` * @project        ${settings.name}`,
-      ` * @build          ${moment().format('llll')} ET`,
-      ` * @copyright      Copyright (c) ${moment().format('YYYY')} ${
-        settings.copyright
-      }`,
-      ' *',
-      ' */',
-      '',
-    ].join('\n'),
-    raw: true,
-  };
-}
-
 // Configure Bundle Analyzer
 function configureBundleAnalyzer(name) {
   return {
@@ -51,6 +34,7 @@ function configureOptimization() {
           /Sources\//,
           /Utilities\//,
         ],
+        extractComments: false,
       }),
     ],
   };
@@ -63,8 +47,10 @@ module.exports = [
     devtool: 'source-map',
     optimization: configureOptimization(),
     plugins: [
+      new webpack.BannerPlugin(
+        `/* ${fs.readFileSync(path.resolve(__dirname, './LICENSE'), 'utf8')} */`
+      ),
       new webpack.optimize.ModuleConcatenationPlugin(),
-      new webpack.BannerPlugin(configureBanner()),
       new BundleAnalyzerPlugin(configureBundleAnalyzer('vtk')),
     ],
   }),
@@ -73,8 +59,10 @@ module.exports = [
     devtool: 'source-map',
     optimization: configureOptimization(),
     plugins: [
+      new webpack.BannerPlugin(
+        `/* ${fs.readFileSync(path.resolve(__dirname, './LICENSE'), 'utf8')} */`
+      ),
       new webpack.optimize.ModuleConcatenationPlugin(),
-      new webpack.BannerPlugin(configureBanner()),
       new BundleAnalyzerPlugin(configureBundleAnalyzer('vtk-lite')),
     ],
   }),