opt: onTabviewChange

itenl · itenl · commit 3be3d9200625 · 2021-10-25T11:06:34.000+08:00
diff --git a/src/index.js b/src/index.js
@@ -520,6 +520,8 @@ export default class ScrollableTabView extends React.Component {
   }
 
   _onTabviewChange(isCarouselScroll, index) {
+    if (!this.stacks.length) return;
+    if (!this.stacks[index]) return;
     const { enableCachePage, toHeaderOnTab, toTabsOnTab, onTabviewChanged } = this.props;
     if (index == this.state.checkedIndex) {
       if (!isCarouselScroll && toHeaderOnTab) return this._scrollTo(-this.layoutHeight['header']);

Original file line number	Diff line number	Diff line change
`@@ -520,6 +520,8 @@ export default class ScrollableTabView extends React.Component {`
`520`	`520`	`}`
`521`	`521`
`522`	`522`	`_onTabviewChange(isCarouselScroll, index) {`
	`523`	`+ if (!this.stacks.length) return;`
	`524`	`+ if (!this.stacks[index]) return;`
`523`	`525`	`const { enableCachePage, toHeaderOnTab, toTabsOnTab, onTabviewChanged } = this.props;`
`524`	`526`	`if (index == this.state.checkedIndex) {`
`525`	`527`	`if (!isCarouselScroll && toHeaderOnTab) return this._scrollTo(-this.layoutHeight['header']);`