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fix(compiler-sfc): treat const reactive() bindings as mutable

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This commit is contained in:
Evan You 2021-02-10 11:38:19 -05:00
parent cf67306032
commit 03360cefa1
2 changed files with 7 additions and 4 deletions
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2
packages/compiler-core/src/transforms/vFor.ts
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@ -79,7 +79,7 @@ export const transformFor = createStructuralDirectiveTransform(
const isStableFragment = const isStableFragment =
forNode.source.type === NodeTypes.SIMPLE_EXPRESSION && forNode.source.type === NodeTypes.SIMPLE_EXPRESSION &&
forNode.source.constType > ConstantTypes.CAN_SKIP_PATCH forNode.source.constType > ConstantTypes.NOT_CONSTANT
const fragmentFlag = isStableFragment const fragmentFlag = isStableFragment
? PatchFlags.STABLE_FRAGMENT ? PatchFlags.STABLE_FRAGMENT
: keyProp : keyProp

9
packages/compiler-sfc/src/compileScript.ts
View File

@ -1036,12 +1036,15 @@ function walkDeclaration(
) )
if (id.type === 'Identifier') { if (id.type === 'Identifier') {
let bindingType let bindingType
if ( const userReactiveBinding = userImportAlias['reactive'] || 'reactive'
if (isCallOf(init, userReactiveBinding)) {
// treat reactive() calls as let since it's meant to be mutable
bindingType = BindingTypes.SETUP_LET
} else if (
// if a declaration is a const literal, we can mark it so that // if a declaration is a const literal, we can mark it so that
// the generated render fn code doesn't need to unref() it // the generated render fn code doesn't need to unref() it
isDefineCall || isDefineCall ||
(isConst && (isConst && canNeverBeRef(init!, userReactiveBinding))
canNeverBeRef(init!, userImportAlias['reactive'] || 'reactive'))
) { ) {
bindingType = BindingTypes.SETUP_CONST bindingType = BindingTypes.SETUP_CONST
} else if (isConst) { } else if (isConst) {