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perf(sticky): avoid set data if nothing change (#3879)

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rex 2020-12-18 16:10:11 +08:00 committed by GitHub
parent 2390413915
commit d5e4cf9ff0
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1 changed files with 3 additions and 1 deletions
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packages/sticky/index.ts
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@ -108,7 +108,9 @@ VantComponent({
return prev; return prev;
}, {}); }, {});
if (Object.keys(diff).length > 0) {
this.setData(diff); this.setData(diff);
}
this.$emit('scroll', { this.$emit('scroll', {
scrollTop: this.scrollTop, scrollTop: this.scrollTop,