fix: check optional parameter (#5)

Co-authored-by: m.onohara <m.onohara@micro-wave.net>
floydspace · Nov 24, 2020 · 06542ba · 06542ba
1 parent 7e358da
commit 06542ba
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/packagers/yarn.ts b/src/packagers/yarn.ts
@@ -117,7 +117,7 @@ export class Yarn implements Packager {
     const args = [ 'install', '--frozen-lockfile', '--non-interactive' ];
 
     // Convert supported packagerOptions
-    if (packagerOptions.ignoreScripts) {
+    if (packagerOptions?.ignoreScripts) {
       args.push('--ignore-scripts');
     }