build: fix build script

diff --git a/scripts/build.js b/scripts/build.js
index a224c309459640aff2d8fdfae3059d8341b2b269..3959532d37f1d59d148384263887226ac117e6d5 100644 (file)
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -99,7 +99,7 @@ async function build(target) {
 
     if (result.succeeded) {
       // concat additional d.ts to rolled-up dts (mostly for JSX)
-      if (pkg.buildOptions.dts) {
+      if (pkg.buildOptions && pkg.buildOptions.dts) {
         const dtsPath = path.resolve(pkgDir, pkg.types)
         const existing = await fs.readFile(dtsPath, 'utf-8')
         const toAdd = await Promise.all(