feat(compiler): mark hoisted trees with patchFlag
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@ -5,8 +5,8 @@ exports[`scopeId compiler support should push scopeId for hoisted nodes 1`] = `
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const _withId = _withScopeId(\\"test\\")
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_pushScopeId(\\"test\\")
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const _hoisted_1 = _createVNode(\\"div\\", null, \\"hello\\")
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const _hoisted_2 = _createVNode(\\"div\\", null, \\"world\\")
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const _hoisted_1 = _createVNode(\\"div\\", null, \\"hello\\", -1)
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const _hoisted_2 = _createVNode(\\"div\\", null, \\"world\\", -1)
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_popScopeId()
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export const render = _withId(function render(_ctx, _cache) {
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@ -81,8 +81,8 @@ describe('scopeId compiler support', () => {
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expect(code).toMatch(
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[
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`_pushScopeId("test")`,
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`const _hoisted_1 = _createVNode("div", null, "hello")`,
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`const _hoisted_2 = _createVNode("div", null, "world")`,
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`const _hoisted_1 = _createVNode("div", null, "hello", -1)`,
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`const _hoisted_2 = _createVNode("div", null, "world", -1)`,
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`_popScopeId()`
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].join('\n')
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)
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@ -4,7 +4,7 @@ exports[`compiler: hoistStatic transform hoist element with static key 1`] = `
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"const _Vue = Vue
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const { createVNode: _createVNode } = _Vue
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const _hoisted_1 = _createVNode(\\"div\\", { key: \\"foo\\" })
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const _hoisted_1 = _createVNode(\\"div\\", { key: \\"foo\\" }, null, -1)
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return function render(_ctx, _cache) {
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with (this) {
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@ -24,7 +24,7 @@ const { createVNode: _createVNode } = _Vue
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const _hoisted_1 = _createVNode(\\"p\\", null, [
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_createVNode(\\"span\\"),
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_createVNode(\\"span\\")
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])
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], -1)
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return function render(_ctx, _cache) {
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with (this) {
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@ -43,7 +43,7 @@ const { createVNode: _createVNode, createCommentVNode: _createCommentVNode } = _
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const _hoisted_1 = _createVNode(\\"div\\", null, [
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_createCommentVNode(\\"comment\\")
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])
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], -1)
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return function render(_ctx, _cache) {
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with (this) {
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@ -60,8 +60,8 @@ exports[`compiler: hoistStatic transform hoist siblings with common non-hoistabl
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"const _Vue = Vue
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const { createVNode: _createVNode } = _Vue
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const _hoisted_1 = _createVNode(\\"span\\")
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const _hoisted_2 = _createVNode(\\"div\\")
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const _hoisted_1 = _createVNode(\\"span\\", null, null, -1)
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const _hoisted_2 = _createVNode(\\"div\\", null, null, -1)
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return function render(_ctx, _cache) {
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with (this) {
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@ -79,7 +79,7 @@ exports[`compiler: hoistStatic transform hoist simple element 1`] = `
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"const _Vue = Vue
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const { createVNode: _createVNode } = _Vue
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const _hoisted_1 = _createVNode(\\"span\\", { class: \\"inline\\" }, \\"hello\\")
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const _hoisted_1 = _createVNode(\\"span\\", { class: \\"inline\\" }, \\"hello\\", -1)
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return function render(_ctx, _cache) {
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with (this) {
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@ -172,7 +172,7 @@ exports[`compiler: hoistStatic transform prefixIdentifiers hoist nested static t
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"const _Vue = Vue
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const { createVNode: _createVNode } = _Vue
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const _hoisted_1 = _createVNode(\\"span\\", null, \\"foo \\" + _toDisplayString(1) + \\" \\" + _toDisplayString(true))
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const _hoisted_1 = _createVNode(\\"span\\", null, \\"foo \\" + _toDisplayString(1) + \\" \\" + _toDisplayString(true), -1)
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return function render(_ctx, _cache) {
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with (this) {
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@ -189,7 +189,7 @@ exports[`compiler: hoistStatic transform prefixIdentifiers hoist nested static t
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"const _Vue = Vue
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const { createVNode: _createVNode } = _Vue
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const _hoisted_1 = _createVNode(\\"span\\", { foo: 0 }, _toDisplayString(1))
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const _hoisted_1 = _createVNode(\\"span\\", { foo: 0 }, _toDisplayString(1), -1)
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return function render(_ctx, _cache) {
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with (this) {
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@ -346,7 +346,7 @@ exports[`compiler: hoistStatic transform should hoist v-for children if static 1
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const { createVNode: _createVNode } = _Vue
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const _hoisted_1 = { id: \\"foo\\" }
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const _hoisted_2 = _createVNode(\\"span\\")
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const _hoisted_2 = _createVNode(\\"span\\", null, null, -1)
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return function render(_ctx, _cache) {
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with (this) {
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@ -371,7 +371,7 @@ const _hoisted_1 = {
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key: 0,
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id: \\"foo\\"
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}
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const _hoisted_2 = _createVNode(\\"span\\")
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const _hoisted_2 = _createVNode(\\"span\\", null, null, -1)
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return function render(_ctx, _cache) {
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with (this) {
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@ -52,6 +52,7 @@ function walk(
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) {
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if (!doNotHoistNode && isStaticNode(child, resultCache)) {
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// whole tree is static
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;(child.codegenNode as VNodeCall).patchFlag = PatchFlags.HOISTED + ``
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const hoisted = context.transformHoist
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? context.transformHoist(child, context)
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: child.codegenNode!
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@ -411,8 +411,12 @@ export function createRenderer<
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optimized: boolean
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) {
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let el: HostElement
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const { type, props, shapeFlag, transition, scopeId } = vnode
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if (vnode.el != null && hostCloneNode !== undefined) {
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const { type, props, shapeFlag, transition, scopeId, patchFlag } = vnode
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if (
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vnode.el !== null &&
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hostCloneNode !== undefined &&
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patchFlag === PatchFlags.HOISTED
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) {
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// If a vnode has non-null el, it means it's being reused.
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// Only static vnodes can be reused, so its mounted DOM nodes should be
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// exactly the same, and we can simply do a clone here.
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@ -61,11 +61,14 @@ export const enum PatchFlags {
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// Components with this flag are always force updated.
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DYNAMIC_SLOTS = 1 << 9,
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// A special flag that indicates a hoisted, static vnode.
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HOISTED = -1,
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// A special flag that indicates that the diffing algorithm should bail out
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// of optimized mode. This is only on block fragments created by renderSlot()
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// when encountering non-compiler generated slots (i.e. manually written
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// render functions, which should always be fully diffed)
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BAIL = -1
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BAIL = -2
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}
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// runtime object for public consumption
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