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fix(compiler-core): handle template root and template v-if as stable fragments

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Evan You
2019-12-12 20:46:20 -05:00
parent f77ae132e5
commit 8ffd79c754
18 changed files with 106 additions and 60 deletions
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10
packages/shared/src/patchFlags.ts
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@@ -47,16 +47,19 @@ export const enum PatchFlags {
// value.
NEED_PATCH = 1 << 5,
// Indicates a fragment whose children order doesn't change.
STABLE_FRAGMENT = 1 << 6,
// Indicates a fragment with keyed or partially keyed children
KEYED_FRAGMENT = 1 << 6,
KEYED_FRAGMENT = 1 << 7,
// Indicates a fragment with unkeyed children.
UNKEYED_FRAGMENT = 1 << 7,
UNKEYED_FRAGMENT = 1 << 8,
// Indicates a component with dynamic slots (e.g. slot that references a v-for
// iterated value, or dynamic slot names).
// Components with this flag are always force updated.
DYNAMIC_SLOTS = 1 << 8,
DYNAMIC_SLOTS = 1 << 9,
// A special flag that indicates that the diffing algorithm should bail out
// of optimized mode. This is only on block fragments created by renderSlot()
@@ -87,6 +90,7 @@ export const PatchFlagNames = {
[PatchFlags.PROPS]: `PROPS`,
[PatchFlags.NEED_PATCH]: `NEED_PATCH`,
[PatchFlags.FULL_PROPS]: `FULL_PROPS`,
[PatchFlags.STABLE_FRAGMENT]: `STABLE_FRAGMENT`,
[PatchFlags.KEYED_FRAGMENT]: `KEYED_FRAGMENT`,
[PatchFlags.UNKEYED_FRAGMENT]: `UNKEYED_FRAGMENT`,
[PatchFlags.DYNAMIC_SLOTS]: `DYNAMIC_SLOTS`,