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fix: fix undefined error in media dialog scroll (#1048)

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Nolan Lawson 2019-02-26 22:18:24 -08:00 committed by GitHub
parent b7299f53fb
commit b0aa86ef44
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1 changed files with 5 additions and 1 deletions
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6
src/routes/_components/dialog/components/MediaDialog.html
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@ -266,7 +266,11 @@
}, },
onScroll () { onScroll () {
let { length } = this.get() let { length } = this.get()
let { scrollWidth, scrollLeft } = this.refs.scroller let { scroller } = this.refs
if (!scroller) {
return
}
let { scrollWidth, scrollLeft } = scroller
let scrolledItem = Math.round((scrollLeft / scrollWidth) * length) let scrolledItem = Math.round((scrollLeft / scrollWidth) * length)
this.set({ scrolledItem }) this.set({ scrolledItem })
}, },