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fix(compiler-core): avoid self updates of v-pre #12556

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Merged
merged 1 commit into from
Jul 18, 2025
Merged

fix(compiler-core): avoid self updates of v-pre #12556

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5 changes: 3 additions & 2 deletions packages/compiler-core/src/parser.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@ import {
isCoreComponent,
isSimpleIdentifier,
isStaticArgOf,
isVPre,
} from './utils'
import { decodeHTML } from 'entities/lib/decode.js'
import {
Expand Down Expand Up @@ -246,7 +247,7 @@ const tokenizer = new Tokenizer(stack, {
ondirarg(start, end) {
if (start === end) return
const arg = getSlice(start, end)
if (inVPre) {
if (inVPre && !isVPre(currentProp!)) {
;(currentProp as AttributeNode).name += arg
setLocEnd((currentProp as AttributeNode).nameLoc, end)
} else {
Expand All @@ -262,7 +263,7 @@ const tokenizer = new Tokenizer(stack, {

ondirmodifier(start, end) {
const mod = getSlice(start, end)
if (inVPre) {
if (inVPre && !isVPre(currentProp!)) {
;(currentProp as AttributeNode).name += '.' + mod
setLocEnd((currentProp as AttributeNode).nameLoc, end)
} else if ((currentProp as DirectiveNode).name === 'slot') {
Expand Down
4 changes: 4 additions & 0 deletions packages/compiler-core/src/utils.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -343,6 +343,10 @@ export function isText(
return node.type === NodeTypes.INTERPOLATION || node.type === NodeTypes.TEXT
}

export function isVPre(p: ElementNode['props'][0]): p is DirectiveNode {
return p.type === NodeTypes.DIRECTIVE && p.name === 'pre'
}

export function isVSlot(p: ElementNode['props'][0]): p is DirectiveNode {
return p.type === NodeTypes.DIRECTIVE && p.name === 'slot'
}
Expand Down
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