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fix(page-scroll): check getCurrentPage is def (#4458)

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nemo-shen 2021-09-06 19:49:54 +08:00 committed by GitHub
parent 84113ffd17
commit 69cdf45958
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1 changed files with 5 additions and 3 deletions
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4
packages/mixins/page-scroll.ts
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@ -1,4 +1,4 @@
import { getCurrentPage } from '../common/utils'; import { getCurrentPage, isDef } from '../common/utils';
type IPageScrollOption = WechatMiniprogram.Page.IPageScrollOption; type IPageScrollOption = WechatMiniprogram.Page.IPageScrollOption;
type Scroller = ( type Scroller = (
@ -38,7 +38,9 @@ export const pageScrollMixin = (scroller: Scroller) =>
detached() { detached() {
const page = getCurrentPage<{ vanPageScroller: Scroller[] }>(); const page = getCurrentPage<{ vanPageScroller: Scroller[] }>();
if (!isDef(page)) {
page.vanPageScroller = page.vanPageScroller =
page.vanPageScroller?.filter((item) => item !== scroller) || []; page.vanPageScroller?.filter((item) => item !== scroller) || [];
}
}, },
}); });