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fix(compiler-core): should not generate CLASS/STYLE patch flags on components

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ref #677
This commit is contained in:
Evan You
2020-04-10 10:19:11 -04:00
parent cda50ea788
commit a6e2b1052a
3 changed files with 17 additions and 16 deletions
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20
packages/runtime-core/src/componentRenderUtils.ts
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@@ -236,20 +236,12 @@ export function shouldUpdateComponent(
if (patchFlag & PatchFlags.FULL_PROPS) {
// presence of this flag indicates props are always non-null
return hasPropsChanged(prevProps!, nextProps!)
} else {
if (patchFlag & PatchFlags.CLASS) {
return prevProps!.class !== nextProps!.class
}
if (patchFlag & PatchFlags.STYLE) {
return hasPropsChanged(prevProps!.style, nextProps!.style)
}
if (patchFlag & PatchFlags.PROPS) {
const dynamicProps = nextVNode.dynamicProps!
for (let i = 0; i < dynamicProps.length; i++) {
const key = dynamicProps[i]
if (nextProps![key] !== prevProps![key]) {
return true
}
} else if (patchFlag & PatchFlags.PROPS) {
const dynamicProps = nextVNode.dynamicProps!
for (let i = 0; i < dynamicProps.length; i++) {
const key = dynamicProps[i]
if (nextProps![key] !== prevProps![key]) {
return true
}
}
}