theluyuan/vue3-yuanma
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix(runtime-core): skip patchBlockChildren if n1.dynamicChildren is null (#2717)

Browse Source 
fix #2715 

The bug was introduced by #2485 where a compiled slot may result in a bailed Fragment
which then gets its dynamicChildren set to `null` by the renderer.
This commit is contained in:
edison 2020-12-04 01:17:04 +08:00 committed by GitHub
parent a8352506f6
commit c59897c7b0
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
packages/runtime-core/src/renderer.ts
View File

@ -1139,12 +1139,15 @@ function baseCreateRenderer(
if ( if (
patchFlag > 0 && patchFlag > 0 &&
patchFlag & PatchFlags.STABLE_FRAGMENT && patchFlag & PatchFlags.STABLE_FRAGMENT &&
dynamicChildren dynamicChildren &&
// #2715 the previous fragment could've been a BAILed one as a result
// of renderSlot() with no valid children
n1.dynamicChildren
) { ) {
// a stable fragment (template root or <template v-for>) doesn't need to // a stable fragment (template root or <template v-for>) doesn't need to
// patch children order, but it may contain dynamicChildren. // patch children order, but it may contain dynamicChildren.
patchBlockChildren( patchBlockChildren(
n1.dynamicChildren!, n1.dynamicChildren,
dynamicChildren, dynamicChildren,
container, container,
parentComponent, parentComponent,