fix: check optional parameter (#5)

masahirompp · KDxCBdP7 · web-flow · commit 06542bab1df9 · 2020-11-24T09:05:42.000+01:00
Co-authored-by: m.onohara &lt;m.onohara@micro-wave.net&gt;
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');
     }
 

Original file line number	Diff line number	Diff line change
`@@ -117,7 +117,7 @@ export class Yarn implements Packager {`
`117`	`117`	`const args = [ 'install', '--frozen-lockfile', '--non-interactive' ];`
`118`	`118`
`119`	`119`	`// Convert supported packagerOptions`
`120`		`- if (packagerOptions.ignoreScripts) {`
	`120`	`+ if (packagerOptions?.ignoreScripts) {`
`121`	`121`	`args.push('--ignore-scripts');`
`122`	`122`	`}`
`123`	`123`