Add validateExportStream to ESM build script

build-dist.sh

@@ -1,8 +1,9 @@
-mkdir ./dist/esm
+mkdir -p ./dist/esm
 cat >dist/esm/index.js <<!EOF
 import cjsModule from "../index.js";
 export const exportActorProfile = cjsModule.exportActorProfile;
 export const importActorProfile = cjsModule.importActorProfile;
+export const validateExportStream = cjsModule.validateExportStream;
 !EOF
 
 cat >dist/esm/package.json <<!EOF