Skip unneeded search bundles when compiling JavaScript

1 files changed, 88 insertions, 79 deletions

diff --git a/rollup.config.js b/rollup.config.js
index 50f5a052..0454d4d7 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -14,84 +14,93 @@ function mapDirectory(file) {
   return file.replace('content/', 'public/');
 }
 
-// Global assets are copied here.
-const vendorDir = './public/assets/vendor';
+const vendorDir = './public/assets/vendor'; // Global assets are copied here
+const searchBackend = process.env.SEARCH_BACKEND || 'google';
 
-module.exports = globSync('content/frontend/**/*.js').map((file) => ({
-  input: file,
-  output: {
-    file: mapDirectory(file),
-    format: 'iife',
-    name: file,
-    inlineDynamicImports: true,
-    globals: {
-      vue: 'Vue',
-      jquery: '$',
+module.exports = globSync('content/frontend/**/*.js')
+  // Drop search bundles that aren't required in this build.
+  .filter((file) => {
+    const fileName = file.split('/').pop();
+    return (
+      fileName.startsWith(searchBackend) ||
+      (!fileName.startsWith('google') && !fileName.startsWith('lunr'))
+    );
+  })
+  .map((file) => ({
+    input: file,
+    output: {
+      file: mapDirectory(file),
+      format: 'iife',
+      name: file,
+      inlineDynamicImports: true,
+      globals: {
+        vue: 'Vue',
+        jquery: '$',
+      },
     },
-  },
-  external: ['vue', 'jquery'],
-  cache: true,
-  plugins: [
-    nodeResolve({ browser: true, preferBuiltins: false }),
-    commonjs(),
-    vue(),
-    url({
-      destDir: 'public/assets/images',
-      publicPath: '/assets/images/',
-      fileName: 'icons.svg',
-    }),
-    babel({
-      exclude: 'node_modules/**',
-      babelHelpers: 'bundled',
-    }),
-    json(),
-    css(),
-    replace({
-      preventAssignment: true,
-      'process.env.NODE_ENV': JSON.stringify('production'),
-    }),
-    terser(),
-    copy({
-      copyOnce: true,
-      hook: 'closeBundle',
-      targets: [
-        {
-          src: './node_modules/mermaid/dist/mermaid.min.js*',
-          dest: vendorDir,
-        },
-        {
-          src: './node_modules/vue/dist/vue.min.js',
-          dest: vendorDir,
-        },
-        {
-          src: './node_modules/lunr/lunr.min.js',
-          dest: vendorDir,
-        },
-        {
-          src: './node_modules/jquery/dist/jquery.slim.min.js',
-          dest: vendorDir,
-        },
-        {
-          src: './node_modules/bootstrap/dist/js/bootstrap.bundle.min.js*',
-          dest: vendorDir,
-        },
-        {
-          src: './node_modules/@gitlab/ui/dist/utility_classes.css*',
-          dest: vendorDir,
-        },
-        {
-          src: './node_modules/@gitlab/ui/dist/index.css*',
-          dest: vendorDir,
-        },
-        {
-          src: './node_modules/@gitlab/fonts/gitlab-sans/GitLabSans.woff2',
-          dest: vendorDir,
-        },
-        {
-          src: './node_modules/@gitlab/fonts/jetbrains-mono/JetBrainsMono*',
-          dest: vendorDir,
-        },
-      ],
-    }),
-  ],
-}));
+    external: ['vue', 'jquery'],
+    cache: true,
+    plugins: [
+      nodeResolve({ browser: true, preferBuiltins: false }),
+      commonjs(),
+      vue(),
+      url({
+        destDir: 'public/assets/images',
+        publicPath: '/assets/images/',
+        fileName: 'icons.svg',
+      }),
+      babel({
+        exclude: 'node_modules/**',
+        babelHelpers: 'bundled',
+      }),
+      json(),
+      css(),
+      replace({
+        preventAssignment: true,
+        'process.env.NODE_ENV': JSON.stringify('production'),
+      }),
+      terser(),
+      copy({
+        copyOnce: true,
+        hook: 'closeBundle',
+        targets: [
+          {
+            src: './node_modules/mermaid/dist/mermaid.min.js*',
+            dest: vendorDir,
+          },
+          {
+            src: './node_modules/vue/dist/vue.min.js',
+            dest: vendorDir,
+          },
+          {
+            src: './node_modules/lunr/lunr.min.js',
+            dest: vendorDir,
+          },
+          {
+            src: './node_modules/jquery/dist/jquery.slim.min.js',
+            dest: vendorDir,
+          },
+          {
+            src: './node_modules/bootstrap/dist/js/bootstrap.bundle.min.js*',
+            dest: vendorDir,
+          },
+          {
+            src: './node_modules/@gitlab/ui/dist/utility_classes.css*',
+            dest: vendorDir,
+          },
+          {
+            src: './node_modules/@gitlab/ui/dist/index.css*',
+            dest: vendorDir,
+          },
+          {
+            src: './node_modules/@gitlab/fonts/gitlab-sans/GitLabSans.woff2',
+            dest: vendorDir,
+          },
+          {
+            src: './node_modules/@gitlab/fonts/jetbrains-mono/JetBrainsMono*',
+            dest: vendorDir,
+          },
+        ],
+      }),
+    ],
+  }));