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fix(runtime-vapor): properly handle fast remove in keyed diff
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This commit is contained in:
daiwei 2025-07-30 20:40:36 +08:00
parent 348ffafbc6
commit 07fd7e4d41
1 changed files with 3 additions and 1 deletions
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4
packages/runtime-vapor/src/apiCreateFor.ts
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@ -256,6 +256,7 @@ export const createFor = (
const previousKeyIndexMap = new Map(previousKeyIndexPairs) const previousKeyIndexMap = new Map(previousKeyIndexPairs)
const operations: (() => void)[] = [] const operations: (() => void)[] = []
let mountCounter = 0
const relocateOrMountBlock = ( const relocateOrMountBlock = (
blockIndex: number, blockIndex: number,
blockItem: ReturnType<typeof getItem>, blockItem: ReturnType<typeof getItem>,
@ -280,6 +281,7 @@ export const createFor = (
) )
} }
} else { } else {
mountCounter++
operations.push(() => operations.push(() =>
mount( mount(
source, source,
@ -310,7 +312,7 @@ export const createFor = (
relocateOrMountBlock(i, blockItem, blockKey, -1) relocateOrMountBlock(i, blockItem, blockKey, -1)
} }
const useFastRemove = operations.length === newLength const useFastRemove = mountCounter === newLength
for (const leftoverIndex of previousKeyIndexMap.values()) { for (const leftoverIndex of previousKeyIndexMap.values()) {
unmount( unmount(