diff --git a/packages/compiler-core/__tests__/__snapshots__/compile.spec.ts.snap b/packages/compiler-core/__tests__/__snapshots__/compile.spec.ts.snap index a72a43782ce..a9189ac72a9 100644 --- a/packages/compiler-core/__tests__/__snapshots__/compile.spec.ts.snap +++ b/packages/compiler-core/__tests__/__snapshots__/compile.spec.ts.snap @@ -16,7 +16,7 @@ return function render(_ctx, _cache) { ? (_openBlock(), _createElementBlock(\\"div\\", { key: 0 }, \\"yes\\")) : (_openBlock(), _createElementBlock(_Fragment, { key: 1 }, [ _createTextVNode(\\"no\\") - ], 2112 /* STABLE_FRAGMENT, DEV_ROOT_FRAGMENT */)), + ], 64 /* STABLE_FRAGMENT */)), (_openBlock(true), _createElementBlock(_Fragment, null, _renderList(list, (value, index) => { return (_openBlock(), _createElementBlock(\\"div\\", null, [ _createElementVNode(\\"span\\", null, _toDisplayString(value + index), 1 /* TEXT */) @@ -40,7 +40,7 @@ return function render(_ctx, _cache) { ? (_openBlock(), _createElementBlock(\\"div\\", { key: 0 }, \\"yes\\")) : (_openBlock(), _createElementBlock(_Fragment, { key: 1 }, [ _createTextVNode(\\"no\\") - ], 2112 /* STABLE_FRAGMENT, DEV_ROOT_FRAGMENT */)), + ], 64 /* STABLE_FRAGMENT */)), (_openBlock(true), _createElementBlock(_Fragment, null, _renderList(_ctx.list, (value, index) => { return (_openBlock(), _createElementBlock(\\"div\\", null, [ _createElementVNode(\\"span\\", null, _toDisplayString(value + index), 1 /* TEXT */) @@ -63,7 +63,7 @@ export function render(_ctx, _cache) { ? (_openBlock(), _createElementBlock(\\"div\\", { key: 0 }, \\"yes\\")) : (_openBlock(), _createElementBlock(_Fragment, { key: 1 }, [ _createTextVNode(\\"no\\") - ], 2112 /* STABLE_FRAGMENT, DEV_ROOT_FRAGMENT */)), + ], 64 /* STABLE_FRAGMENT */)), (_openBlock(true), _createElementBlock(_Fragment, null, _renderList(_ctx.list, (value, index) => { return (_openBlock(), _createElementBlock(\\"div\\", null, [ _createElementVNode(\\"span\\", null, _toDisplayString(value + index), 1 /* TEXT */) diff --git a/packages/compiler-core/__tests__/transforms/__snapshots__/vIf.spec.ts.snap b/packages/compiler-core/__tests__/transforms/__snapshots__/vIf.spec.ts.snap index 54fc7cbe7b6..ee15a6558d9 100644 --- a/packages/compiler-core/__tests__/transforms/__snapshots__/vIf.spec.ts.snap +++ b/packages/compiler-core/__tests__/transforms/__snapshots__/vIf.spec.ts.snap @@ -111,7 +111,7 @@ return function render(_ctx, _cache) { ? (_openBlock(), _createElementBlock(\\"div\\", { key: 0 })) : orNot ? (_openBlock(), _createElementBlock(\\"p\\", { key: 1 })) - : (_openBlock(), _createElementBlock(_Fragment, { key: 2 }, [\\"fine\\"], 2112 /* STABLE_FRAGMENT, DEV_ROOT_FRAGMENT */)) + : (_openBlock(), _createElementBlock(_Fragment, { key: 2 }, [\\"fine\\"], 64 /* STABLE_FRAGMENT */)) } }" `; diff --git a/packages/compiler-core/src/ast.ts b/packages/compiler-core/src/ast.ts index 58fa76abe7f..d6eda73bbbe 100644 --- a/packages/compiler-core/src/ast.ts +++ b/packages/compiler-core/src/ast.ts @@ -259,6 +259,7 @@ export interface IfBranchNode extends Node { condition: ExpressionNode | undefined // else children: TemplateChildNode[] userKey?: AttributeNode | DirectiveNode + isTemplateIf?: boolean } export interface ForNode extends Node { diff --git a/packages/compiler-core/src/transforms/vIf.ts b/packages/compiler-core/src/transforms/vIf.ts index 71050a85643..2faa16374ee 100644 --- a/packages/compiler-core/src/transforms/vIf.ts +++ b/packages/compiler-core/src/transforms/vIf.ts @@ -209,15 +209,14 @@ export function processIf( } function createIfBranch(node: ElementNode, dir: DirectiveNode): IfBranchNode { + const isTemplateIf = node.tagType === ElementTypes.TEMPLATE return { type: NodeTypes.IF_BRANCH, loc: node.loc, condition: dir.name === 'else' ? undefined : dir.exp, - children: - node.tagType === ElementTypes.TEMPLATE && !findDir(node, 'for') - ? node.children - : [node], - userKey: findProp(node, `key`) + children: isTemplateIf && !findDir(node, 'for') ? node.children : [node], + userKey: findProp(node, `key`), + isTemplateIf } } @@ -274,6 +273,7 @@ function createChildrenCodegenNode( // the rest being comments if ( __DEV__ && + !branch.isTemplateIf && children.filter(c => c.type !== NodeTypes.COMMENT).length === 1 ) { patchFlag |= PatchFlags.DEV_ROOT_FRAGMENT