Fix shiftTab from index 0 going to -1

muan · muan · commit db19b79b382b · 2019-11-06T13:45:33.000-05:00
diff --git a/index.js b/index.js
@@ -56,7 +56,11 @@ function restrictTabBehavior(event: KeyboardEvent): void {
     const currentIndex = elements.indexOf(currentFocus)
     if (currentIndex !== -1) {
       const newIndex = currentIndex + movement
-      if (newIndex >= 0) targetIndex = newIndex % elements.length
+      if (newIndex < 0) {
+        targetIndex = elements.length - 1
+      } else {
+        targetIndex = newIndex % elements.length
+      }
     }
   }
 

Original file line number	Diff line number	Diff line change
`@@ -56,7 +56,11 @@ function restrictTabBehavior(event: KeyboardEvent): void {`
`56`	`56`	`const currentIndex = elements.indexOf(currentFocus)`
`57`	`57`	`if (currentIndex !== -1) {`
`58`	`58`	`const newIndex = currentIndex + movement`
`59`		`- if (newIndex >= 0) targetIndex = newIndex % elements.length`
	`59`	`+ if (newIndex < 0) {`
	`60`	`+ targetIndex = elements.length - 1`
	`61`	`+ } else {`
	`62`	`+ targetIndex = newIndex % elements.length`
	`63`	`+ }`
`60`	`64`	`}`
`61`	`65`	`}`
`62`	`66`