2 files changed, 6 insertions, 4 deletions
diff --git a/scripts/cmd/build.js b/scripts/cmd/build.js
index 27941b514..92cb724bf 100644
--- a/scripts/cmd/build.js
+++ b/scripts/cmd/build.js
@@ -10,7 +10,9 @@ const defaultConfig = {
   minify: false,
   format: 'esm',
   platform: 'node',
-  target: 'node14.16.1',
+  // There's an issue with 'node12.20' compiling ESM to CJS
+  // so use 'node13.2' instead. V8 support should be similar.
+  target: 'node13.2',
   sourcemap: 'inline',
   sourcesContent: false,
 };
@@ -63,7 +65,7 @@ export default async function build(...args) {
   });
 
   process.on('beforeExit', () => {
-    builder.stop?.();
+    builder.stop && builder.stop();
   });
 }
 
diff --git a/scripts/index.js b/scripts/index.js
index 9025e4781..7908b112c 100755
--- a/scripts/index.js
+++ b/scripts/index.js
@@ -5,12 +5,12 @@ export default async function run() {
     case 'dev':
     case 'build': {
       const { default: build } = await import('./cmd/build.js');
-      build(...args, cmd === 'dev' ? 'IS_DEV' : undefined);
+      await build(...args, cmd === 'dev' ? 'IS_DEV' : undefined);
       break;
     }
     case 'copy': {
       const { default: copy } = await import('./cmd/copy.js');
-      copy(...args);
+      await copy(...args);
       break;
     }
   }