Use the safe navigation operator

joeyates · joeyates · commit 74ff7f86e876 · 2022-10-07T09:31:22.000+02:00
diff --git a/src/viewer.js b/src/viewer.js
@@ -53,10 +53,7 @@ class Viewer extends EventEmitter {
   }
 
   get showIndex() {
-    if (!this.showing) {
-      return null
-    }
-    return this.showing.index
+    return this.showing?.index
   }
 
   start() {

Original file line number	Diff line number	Diff line change
`@@ -53,10 +53,7 @@ class Viewer extends EventEmitter {`
`53`	`53`	`}`
`54`	`54`
`55`	`55`	`get showIndex() {`
`56`		`- if (!this.showing) {`
`57`		`- return null`
`58`		`- }`
`59`		`- return this.showing.index`
	`56`	`+ return this.showing?.index`
`60`	`57`	`}`
`61`	`58`
`62`	`59`	`start() {`