fix(slider): guard the processing of _slides

kensodemann · kensodemann · commit b80966594495 · 2017-09-05T09:35:10.000-05:00
This fixes issue ##12791
diff --git a/src/components/slides/swiper/swiper.ts b/src/components/slides/swiper/swiper.ts
@@ -693,8 +693,10 @@ function destroyLoop(s: Slides) {
   eachChild(s._wrapper, '.' + CLS.slide + '.' + CLS.slideDuplicate, ele => {
     ele.parentElement.removeChild(ele);
   });
-  for (var i = 0; i < s._slides.length; i++) {
-    s._slides[i].removeAttribute('data-swiper-slide-index');
+  if (s._slides) {
+    for (var i = 0; i < s._slides.length; i++) {
+      s._slides[i].removeAttribute('data-swiper-slide-index');
+    }
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -693,8 +693,10 @@ function destroyLoop(s: Slides) {`
`693`	`693`	`eachChild(s._wrapper, '.' + CLS.slide + '.' + CLS.slideDuplicate, ele => {`
`694`	`694`	`ele.parentElement.removeChild(ele);`
`695`	`695`	`});`
`696`		`- for (var i = 0; i < s._slides.length; i++) {`
`697`		`- s._slides[i].removeAttribute('data-swiper-slide-index');`
	`696`	`+ if (s._slides) {`
	`697`	`+ for (var i = 0; i < s._slides.length; i++) {`
	`698`	`+ s._slides[i].removeAttribute('data-swiper-slide-index');`
	`699`	`+ }`
`698`	`700`	`}`
`699`	`701`	`}`
`700`	`702`