don't try to build ghost packages (#3934)

jestjs · Jun 29, 2017 · aa33f2a · aa33f2a
1 parent ac25993
commit aa33f2a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/scripts/build.js b/scripts/build.js
@@ -82,6 +82,10 @@ function buildBrowserPackage(p) {
   const srcDir = path.resolve(p, SRC_DIR);
   const pkgJsonPath = path.resolve(p, 'package.json');
 
+  if (!fs.existsSync(pkgJsonPath)) {
+    return;
+  }
+
   const {browser} = require(pkgJsonPath);
   if (browser) {
     if (browser.indexOf(BUILD_ES5_DIR) !== 0) {