fix(commonjs): correctly replace shorthand require (#764)

* fix(commonjs): correctly replace shorthand `require`

* fix(commonjs): add comma at the replacement

* feat(commonjs): add parent type check for shorthand util

Author: chmelevskij

packages/commonjs/src/ast-utils.js

@@ -115,3 +115,7 @@ export function isLocallyShadowed(name, scope) {
   }
   return false;
 }
+
+export function isShorthandProperty(parent) {
+  return parent && parent.type === 'Property' && parent.shorthand;
+}

packages/commonjs/src/transform-commonjs.js

@@ -11,6 +11,7 @@ import {
   isDefineCompiledEsm,
   isFalsy,
   isReference,
+  isShorthandProperty,
   isTruthy,
   KEY_COMPILED_ESM
 } from './ast-utils';
@@ -319,10 +320,14 @@ export default function transformCommonjs(
                   )}`
                 );
               }
+              if (isShorthandProperty(parent)) {
+                magicString.appendRight(node.end, `: ${HELPERS_NAME}.commonjsRequire`);
+              } else {
+                magicString.overwrite(node.start, node.end, `${HELPERS_NAME}.commonjsRequire`, {
+                  storeName: true
+                });
+              }
 
-              magicString.overwrite(node.start, node.end, `${HELPERS_NAME}.commonjsRequire`, {
-                storeName: true
-              });
               uses.commonjsHelpers = true;
               return;
             case 'module':

packages/commonjs/test/fixtures/samples/shorthand-require/main.js

@@ -0,0 +1,7 @@
+const HOST = {
+  require
+};
+
+module.exports = {
+  HOST
+};

packages/commonjs/test/test.js

@@ -726,6 +726,17 @@ test('does not wrap commonjsRegister calls in createCommonjsModule', async (t) =
   t.not(/createCommonjsModule\(function/.test(code), true);
 });
 
+test('does not replace shorthand `require` property in object', async (t) => {
+  const bundle = await rollup({
+    input: 'fixtures/samples/shorthand-require/main.js',
+    plugins: [commonjs()]
+  });
+
+  const code = await getCodeFromBundle(bundle, { exports: 'named' });
+
+  t.is(/require: commonjsRequire/.test(code), true);
+});
+
 // This test uses worker threads to simulate an empty internal cache and needs at least Node 12
 if (Number(/^v(\d+)/.exec(process.version)[1]) >= 12) {
   test('can be cached across instances', async (t) => {