feat: support option skipModuleLoader

Author: 3cp

spec/bundler.spec.js

@@ -117,6 +117,42 @@ test('Bundler traces files', t => {
   .then(t.end);
 });
 
+test('Bundler can optionally skip dumber-module-loader', t => {
+  const fakeFs = {
+    'local/setup.js': 'setup',
+    'local/after.js': 'after',
+
+  };
+  const bundler = createBundler(fakeFs, {
+    skipModuleLoader: true,
+    prepends: ['dev-dumber-module-loader']
+  });
+
+  Promise.resolve()
+  .then(() => bundler.capture({path: 'src/app.js', contents: '', moduleId: 'app'}))
+  .then(() => bundler.resolve())
+  .then(() => bundler.bundle())
+  .then(
+    bundleMap => {
+      t.deepEqual(bundleMap, {
+        'entry-bundle': {
+          files: [
+            {contents: 'dev-dumber-module-loader;'},
+            {contents: 'define.switchToUserSpace();'},
+            {path: 'src/app.js', contents: "define('app',[],1);", sourceMap: undefined}
+          ],
+          config: {
+            baseUrl: 'dist',
+            bundles: {}
+          }
+        }
+      })
+    },
+    err => t.fail(err.stack)
+  )
+  .then(t.end);
+});
+
 test('Bundler traces files, split bundles', t => {
   const fakeFs = {
     'local/setup.js': 'setup',

src/index.js

@@ -51,10 +51,14 @@ export default class Bundler {
     this._onRequire = opts.onRequire || opts.onrequire || opts.onRequiringModule;
 
     this._prepends = (opts.prepends || opts.prepend || []).filter(t => t);
-    this._prepends.push(
-      // load dumber-module-loader after prepends
-      path.join(_resolve('dumber-module-loader'), 'dist/index.js')
-    );
+
+    if (!opts.skipModuleLoader) {
+      this._prepends.push(
+        // load dumber-module-loader after prepends
+        path.join(_resolve('dumber-module-loader'), 'dist/index.js')
+      );
+    }
+
     this._appends = (opts.appends || opts.append || []).filter(t => t);
 
     this._dependencies = (opts.dependencies || opts.deps || []).filter(t => t).map(d => new Package(d));