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chore(runtime-core): use new Array.fill to populate array #319

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Merged
merged 2 commits into from
Oct 16, 2019
Merged

chore(runtime-core): use new Array.fill to populate array #319

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bcea2f3
chore(runtime-core): use new Array.fill to populate array
Oct 16, 2019
0a05c01
chore(runtime-core): use loop to fill the array
pikax Oct 16, 2019
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4 changes: 2 additions & 2 deletions packages/runtime-core/src/createRenderer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1503,8 +1503,8 @@ export function createRenderer<
// and oldIndex = 0 is a special value indicating the new node has
// no corresponding old node.
// used for determining longest stable subsequence
const newIndexToOldIndexMap = []
for (i = 0; i < toBePatched; i++) newIndexToOldIndexMap.push(0)
const newIndexToOldIndexMap = new Array(toBePatched)
for (i = 0; i < toBePatched; i++) newIndexToOldIndexMap[i] = 0

for (i = s1; i <= e1; i++) {
const prevChild = c1[i]
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