mirror of https://github.com/vuejs/core.git
903 lines
25 KiB
TypeScript
903 lines
25 KiB
TypeScript
import {
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Comment,
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type VNode,
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type VNodeProps,
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closeBlock,
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createVNode,
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currentBlock,
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isBlockTreeEnabled,
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isSameVNodeType,
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normalizeVNode,
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openBlock,
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} from '../vnode'
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import { ShapeFlags, isArray, isFunction, toNumber } from '@vue/shared'
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import { type ComponentInternalInstance, handleSetupResult } from '../component'
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import type { Slots } from '../componentSlots'
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import {
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type ElementNamespace,
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MoveType,
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type RendererElement,
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type RendererInternals,
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type RendererNode,
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type SetupRenderEffectFn,
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} from '../renderer'
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import { queuePostFlushCb } from '../scheduler'
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import { filterSingleRoot, updateHOCHostEl } from '../componentRenderUtils'
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import {
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assertNumber,
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popWarningContext,
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pushWarningContext,
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warn,
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} from '../warning'
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import { ErrorCodes, handleError } from '../errorHandling'
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import { NULL_DYNAMIC_COMPONENT } from '../helpers/resolveAssets'
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export interface SuspenseProps {
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onResolve?: () => void
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onPending?: () => void
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onFallback?: () => void
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timeout?: string | number
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/**
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* Allow suspense to be captured by parent suspense
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*
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* @default false
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*/
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suspensible?: boolean
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}
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export const isSuspense = (type: any): boolean => type.__isSuspense
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// incrementing unique id for every pending branch
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let suspenseId = 0
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/**
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* For testing only
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*/
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export const resetSuspenseId = () => (suspenseId = 0)
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// Suspense exposes a component-like API, and is treated like a component
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// in the compiler, but internally it's a special built-in type that hooks
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// directly into the renderer.
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export const SuspenseImpl = {
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name: 'Suspense',
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// In order to make Suspense tree-shakable, we need to avoid importing it
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// directly in the renderer. The renderer checks for the __isSuspense flag
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// on a vnode's type and calls the `process` method, passing in renderer
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// internals.
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__isSuspense: true,
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process(
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n1: VNode | null,
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n2: VNode,
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container: RendererElement,
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anchor: RendererNode | null,
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parentComponent: ComponentInternalInstance | null,
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parentSuspense: SuspenseBoundary | null,
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namespace: ElementNamespace,
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slotScopeIds: string[] | null,
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optimized: boolean,
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// platform-specific impl passed from renderer
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rendererInternals: RendererInternals,
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) {
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if (n1 == null) {
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mountSuspense(
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n2,
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container,
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anchor,
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parentComponent,
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parentSuspense,
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namespace,
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slotScopeIds,
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optimized,
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rendererInternals,
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)
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} else {
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// #8678 if the current suspense needs to be patched and parentSuspense has
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// not been resolved. this means that both the current suspense and parentSuspense
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// need to be patched. because parentSuspense's pendingBranch includes the
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// current suspense, it will be processed twice:
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// 1. current patch
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// 2. mounting along with the pendingBranch of parentSuspense
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// it is necessary to skip the current patch to avoid multiple mounts
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// of inner components.
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if (
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parentSuspense &&
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parentSuspense.deps > 0 &&
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!n1.suspense!.isInFallback
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) {
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n2.suspense = n1.suspense!
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n2.suspense.vnode = n2
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n2.el = n1.el
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return
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}
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patchSuspense(
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n1,
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n2,
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container,
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anchor,
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parentComponent,
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namespace,
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slotScopeIds,
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optimized,
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rendererInternals,
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)
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}
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},
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hydrate: hydrateSuspense,
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create: createSuspenseBoundary,
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normalize: normalizeSuspenseChildren,
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}
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// Force-casted public typing for h and TSX props inference
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export const Suspense = (__FEATURE_SUSPENSE__
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? SuspenseImpl
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: null) as unknown as {
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__isSuspense: true
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new (): {
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$props: VNodeProps & SuspenseProps
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$slots: {
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default(): VNode[]
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fallback(): VNode[]
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}
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}
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}
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function triggerEvent(
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vnode: VNode,
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name: 'onResolve' | 'onPending' | 'onFallback',
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) {
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const eventListener = vnode.props && vnode.props[name]
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if (isFunction(eventListener)) {
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eventListener()
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}
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}
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function mountSuspense(
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vnode: VNode,
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container: RendererElement,
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anchor: RendererNode | null,
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parentComponent: ComponentInternalInstance | null,
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parentSuspense: SuspenseBoundary | null,
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namespace: ElementNamespace,
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slotScopeIds: string[] | null,
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optimized: boolean,
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rendererInternals: RendererInternals,
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) {
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const {
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p: patch,
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o: { createElement },
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} = rendererInternals
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const hiddenContainer = createElement('div')
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const suspense = (vnode.suspense = createSuspenseBoundary(
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vnode,
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parentSuspense,
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parentComponent,
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container,
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hiddenContainer,
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anchor,
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namespace,
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slotScopeIds,
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optimized,
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rendererInternals,
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))
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// start mounting the content subtree in an off-dom container
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patch(
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null,
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(suspense.pendingBranch = vnode.ssContent!),
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hiddenContainer,
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null,
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parentComponent,
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suspense,
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namespace,
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slotScopeIds,
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)
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// now check if we have encountered any async deps
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if (suspense.deps > 0) {
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// has async
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// invoke @fallback event
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triggerEvent(vnode, 'onPending')
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triggerEvent(vnode, 'onFallback')
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// mount the fallback tree
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patch(
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null,
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vnode.ssFallback!,
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container,
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anchor,
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parentComponent,
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null, // fallback tree will not have suspense context
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namespace,
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slotScopeIds,
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)
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setActiveBranch(suspense, vnode.ssFallback!)
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} else {
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// Suspense has no async deps. Just resolve.
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suspense.resolve(false, true)
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}
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}
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function patchSuspense(
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n1: VNode,
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n2: VNode,
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container: RendererElement,
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anchor: RendererNode | null,
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parentComponent: ComponentInternalInstance | null,
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namespace: ElementNamespace,
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slotScopeIds: string[] | null,
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optimized: boolean,
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{ p: patch, um: unmount, o: { createElement } }: RendererInternals,
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) {
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const suspense = (n2.suspense = n1.suspense)!
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suspense.vnode = n2
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n2.el = n1.el
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const newBranch = n2.ssContent!
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const newFallback = n2.ssFallback!
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const { activeBranch, pendingBranch, isInFallback, isHydrating } = suspense
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if (pendingBranch) {
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suspense.pendingBranch = newBranch
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if (isSameVNodeType(newBranch, pendingBranch)) {
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// same root type but content may have changed.
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patch(
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pendingBranch,
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newBranch,
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suspense.hiddenContainer,
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null,
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parentComponent,
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suspense,
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namespace,
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slotScopeIds,
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optimized,
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)
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if (suspense.deps <= 0) {
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suspense.resolve()
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} else if (isInFallback) {
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// It's possible that the app is in hydrating state when patching the
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// suspense instance. If someone updates the dependency during component
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// setup in children of suspense boundary, that would be problemtic
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// because we aren't actually showing a fallback content when
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// patchSuspense is called. In such case, patch of fallback content
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// should be no op
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if (!isHydrating) {
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patch(
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activeBranch,
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newFallback,
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container,
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anchor,
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parentComponent,
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null, // fallback tree will not have suspense context
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namespace,
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slotScopeIds,
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optimized,
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)
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setActiveBranch(suspense, newFallback)
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}
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}
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} else {
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// toggled before pending tree is resolved
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// increment pending ID. this is used to invalidate async callbacks
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suspense.pendingId = suspenseId++
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if (isHydrating) {
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// if toggled before hydration is finished, the current DOM tree is
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// no longer valid. set it as the active branch so it will be unmounted
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// when resolved
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suspense.isHydrating = false
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suspense.activeBranch = pendingBranch
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} else {
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unmount(pendingBranch, parentComponent, suspense)
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}
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// reset suspense state
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suspense.deps = 0
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// discard effects from pending branch
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suspense.effects.length = 0
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// discard previous container
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suspense.hiddenContainer = createElement('div')
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if (isInFallback) {
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// already in fallback state
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patch(
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null,
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newBranch,
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suspense.hiddenContainer,
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null,
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parentComponent,
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suspense,
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namespace,
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slotScopeIds,
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optimized,
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)
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if (suspense.deps <= 0) {
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suspense.resolve()
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} else {
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patch(
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activeBranch,
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newFallback,
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container,
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anchor,
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parentComponent,
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null, // fallback tree will not have suspense context
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namespace,
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slotScopeIds,
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optimized,
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)
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setActiveBranch(suspense, newFallback)
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}
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} else if (activeBranch && isSameVNodeType(newBranch, activeBranch)) {
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// toggled "back" to current active branch
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patch(
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activeBranch,
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newBranch,
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container,
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anchor,
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parentComponent,
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suspense,
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namespace,
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slotScopeIds,
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optimized,
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)
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// force resolve
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suspense.resolve(true)
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} else {
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// switched to a 3rd branch
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patch(
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null,
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newBranch,
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suspense.hiddenContainer,
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null,
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parentComponent,
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suspense,
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namespace,
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slotScopeIds,
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optimized,
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)
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if (suspense.deps <= 0) {
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suspense.resolve()
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}
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}
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}
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} else {
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if (activeBranch && isSameVNodeType(newBranch, activeBranch)) {
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// root did not change, just normal patch
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patch(
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activeBranch,
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newBranch,
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container,
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anchor,
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parentComponent,
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suspense,
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namespace,
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slotScopeIds,
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optimized,
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)
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setActiveBranch(suspense, newBranch)
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} else {
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// root node toggled
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// invoke @pending event
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triggerEvent(n2, 'onPending')
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// mount pending branch in off-dom container
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suspense.pendingBranch = newBranch
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if (newBranch.shapeFlag & ShapeFlags.COMPONENT_KEPT_ALIVE) {
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suspense.pendingId = newBranch.component!.suspenseId!
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} else {
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suspense.pendingId = suspenseId++
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}
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patch(
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null,
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newBranch,
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suspense.hiddenContainer,
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null,
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parentComponent,
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suspense,
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namespace,
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slotScopeIds,
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optimized,
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)
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if (suspense.deps <= 0) {
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// incoming branch has no async deps, resolve now.
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suspense.resolve()
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} else {
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const { timeout, pendingId } = suspense
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if (timeout > 0) {
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setTimeout(() => {
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if (suspense.pendingId === pendingId) {
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suspense.fallback(newFallback)
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}
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}, timeout)
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} else if (timeout === 0) {
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suspense.fallback(newFallback)
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}
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}
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}
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}
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}
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export interface SuspenseBoundary {
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vnode: VNode<RendererNode, RendererElement, SuspenseProps>
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parent: SuspenseBoundary | null
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parentComponent: ComponentInternalInstance | null
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namespace: ElementNamespace
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container: RendererElement
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hiddenContainer: RendererElement
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activeBranch: VNode | null
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pendingBranch: VNode | null
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deps: number
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pendingId: number
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timeout: number
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isInFallback: boolean
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isHydrating: boolean
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isUnmounted: boolean
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effects: Function[]
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resolve(force?: boolean, sync?: boolean): void
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fallback(fallbackVNode: VNode): void
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move(
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container: RendererElement,
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anchor: RendererNode | null,
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type: MoveType,
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): void
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next(): RendererNode | null
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registerDep(
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instance: ComponentInternalInstance,
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setupRenderEffect: SetupRenderEffectFn,
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): void
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unmount(parentSuspense: SuspenseBoundary | null, doRemove?: boolean): void
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}
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let hasWarned = false
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function createSuspenseBoundary(
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vnode: VNode,
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parentSuspense: SuspenseBoundary | null,
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parentComponent: ComponentInternalInstance | null,
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container: RendererElement,
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hiddenContainer: RendererElement,
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anchor: RendererNode | null,
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namespace: ElementNamespace,
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slotScopeIds: string[] | null,
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optimized: boolean,
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rendererInternals: RendererInternals,
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isHydrating = false,
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): SuspenseBoundary {
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/* istanbul ignore if */
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if (__DEV__ && !__TEST__ && !hasWarned) {
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hasWarned = true
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// @ts-expect-error `console.info` cannot be null error
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// eslint-disable-next-line no-console
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console[console.info ? 'info' : 'log'](
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`<Suspense> is an experimental feature and its API will likely change.`,
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)
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}
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const {
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p: patch,
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m: move,
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um: unmount,
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n: next,
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o: { parentNode, remove },
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} = rendererInternals
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// if set `suspensible: true`, set the current suspense as a dep of parent suspense
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let parentSuspenseId: number | undefined
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const isSuspensible = isVNodeSuspensible(vnode)
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if (isSuspensible) {
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if (parentSuspense?.pendingBranch) {
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parentSuspenseId = parentSuspense.pendingId
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parentSuspense.deps++
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}
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}
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const timeout = vnode.props ? toNumber(vnode.props.timeout) : undefined
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if (__DEV__) {
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assertNumber(timeout, `Suspense timeout`)
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}
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const initialAnchor = anchor
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const suspense: SuspenseBoundary = {
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vnode,
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parent: parentSuspense,
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parentComponent,
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namespace,
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container,
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hiddenContainer,
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deps: 0,
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pendingId: suspenseId++,
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timeout: typeof timeout === 'number' ? timeout : -1,
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activeBranch: null,
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pendingBranch: null,
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isInFallback: !isHydrating,
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isHydrating,
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isUnmounted: false,
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effects: [],
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resolve(resume = false, sync = false) {
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if (__DEV__) {
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if (!resume && !suspense.pendingBranch) {
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throw new Error(
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`suspense.resolve() is called without a pending branch.`,
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)
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}
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if (suspense.isUnmounted) {
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throw new Error(
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`suspense.resolve() is called on an already unmounted suspense boundary.`,
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)
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}
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}
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const {
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vnode,
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activeBranch,
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pendingBranch,
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pendingId,
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effects,
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parentComponent,
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container,
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} = suspense
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// if there's a transition happening we need to wait it to finish.
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let delayEnter: boolean | null = false
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if (suspense.isHydrating) {
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suspense.isHydrating = false
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} else if (!resume) {
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delayEnter =
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activeBranch &&
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pendingBranch!.transition &&
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pendingBranch!.transition.mode === 'out-in'
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if (delayEnter) {
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activeBranch!.transition!.afterLeave = () => {
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if (pendingId === suspense.pendingId) {
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move(
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pendingBranch!,
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container,
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anchor === initialAnchor ? next(activeBranch!) : anchor,
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MoveType.ENTER,
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)
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queuePostFlushCb(effects)
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}
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}
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}
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// unmount current active tree
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if (activeBranch) {
|
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// if the fallback tree was mounted, it may have been moved
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|
// as part of a parent suspense. get the latest anchor for insertion
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|
// #8105 if `delayEnter` is true, it means that the mounting of
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|
// `activeBranch` will be delayed. if the branch switches before
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// transition completes, both `activeBranch` and `pendingBranch` may
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// coexist in the `hiddenContainer`. This could result in
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// `next(activeBranch!)` obtaining an incorrect anchor
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// (got `pendingBranch.el`).
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// Therefore, after the mounting of activeBranch is completed,
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// it is necessary to get the latest anchor.
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if (parentNode(activeBranch.el!) !== suspense.hiddenContainer) {
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anchor = next(activeBranch)
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}
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unmount(activeBranch, parentComponent, suspense, true)
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}
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if (!delayEnter) {
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// move content from off-dom container to actual container
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move(pendingBranch!, container, anchor, MoveType.ENTER)
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|
}
|
|
}
|
|
|
|
setActiveBranch(suspense, pendingBranch!)
|
|
suspense.pendingBranch = null
|
|
suspense.isInFallback = false
|
|
|
|
// flush buffered effects
|
|
// check if there is a pending parent suspense
|
|
let parent = suspense.parent
|
|
let hasUnresolvedAncestor = false
|
|
while (parent) {
|
|
if (parent.pendingBranch) {
|
|
// found a pending parent suspense, merge buffered post jobs
|
|
// into that parent
|
|
parent.effects.push(...effects)
|
|
hasUnresolvedAncestor = true
|
|
break
|
|
}
|
|
parent = parent.parent
|
|
}
|
|
// no pending parent suspense nor transition, flush all jobs
|
|
if (!hasUnresolvedAncestor && !delayEnter) {
|
|
queuePostFlushCb(effects)
|
|
}
|
|
suspense.effects = []
|
|
|
|
// resolve parent suspense if all async deps are resolved
|
|
if (isSuspensible) {
|
|
if (
|
|
parentSuspense &&
|
|
parentSuspense.pendingBranch &&
|
|
parentSuspenseId === parentSuspense.pendingId
|
|
) {
|
|
parentSuspense.deps--
|
|
if (parentSuspense.deps === 0 && !sync) {
|
|
parentSuspense.resolve()
|
|
}
|
|
}
|
|
}
|
|
|
|
// invoke @resolve event
|
|
triggerEvent(vnode, 'onResolve')
|
|
},
|
|
|
|
fallback(fallbackVNode) {
|
|
if (!suspense.pendingBranch) {
|
|
return
|
|
}
|
|
|
|
const { vnode, activeBranch, parentComponent, container, namespace } =
|
|
suspense
|
|
|
|
// invoke @fallback event
|
|
triggerEvent(vnode, 'onFallback')
|
|
|
|
const anchor = next(activeBranch!)
|
|
const mountFallback = () => {
|
|
if (!suspense.isInFallback) {
|
|
return
|
|
}
|
|
// mount the fallback tree
|
|
patch(
|
|
null,
|
|
fallbackVNode,
|
|
container,
|
|
anchor,
|
|
parentComponent,
|
|
null, // fallback tree will not have suspense context
|
|
namespace,
|
|
slotScopeIds,
|
|
optimized,
|
|
)
|
|
setActiveBranch(suspense, fallbackVNode)
|
|
}
|
|
|
|
const delayEnter =
|
|
fallbackVNode.transition && fallbackVNode.transition.mode === 'out-in'
|
|
if (delayEnter) {
|
|
activeBranch!.transition!.afterLeave = mountFallback
|
|
}
|
|
suspense.isInFallback = true
|
|
|
|
// unmount current active branch
|
|
unmount(
|
|
activeBranch!,
|
|
parentComponent,
|
|
null, // no suspense so unmount hooks fire now
|
|
true, // shouldRemove
|
|
)
|
|
|
|
if (!delayEnter) {
|
|
mountFallback()
|
|
}
|
|
},
|
|
|
|
move(container, anchor, type) {
|
|
suspense.activeBranch &&
|
|
move(suspense.activeBranch, container, anchor, type)
|
|
suspense.container = container
|
|
},
|
|
|
|
next() {
|
|
return suspense.activeBranch && next(suspense.activeBranch)
|
|
},
|
|
|
|
registerDep(instance, setupRenderEffect) {
|
|
const isInPendingSuspense = !!suspense.pendingBranch
|
|
if (isInPendingSuspense) {
|
|
suspense.deps++
|
|
}
|
|
const hydratedEl = instance.vnode.el
|
|
instance
|
|
.asyncDep!.catch(err => {
|
|
handleError(err, instance, ErrorCodes.SETUP_FUNCTION)
|
|
})
|
|
.then(asyncSetupResult => {
|
|
// retry when the setup() promise resolves.
|
|
// component may have been unmounted before resolve.
|
|
if (
|
|
instance.isUnmounted ||
|
|
suspense.isUnmounted ||
|
|
suspense.pendingId !== instance.suspenseId
|
|
) {
|
|
return
|
|
}
|
|
// retry from this component
|
|
instance.asyncResolved = true
|
|
const { vnode } = instance
|
|
if (__DEV__) {
|
|
pushWarningContext(vnode)
|
|
}
|
|
handleSetupResult(instance, asyncSetupResult, false)
|
|
if (hydratedEl) {
|
|
// vnode may have been replaced if an update happened before the
|
|
// async dep is resolved.
|
|
vnode.el = hydratedEl
|
|
}
|
|
const placeholder = !hydratedEl && instance.subTree.el
|
|
setupRenderEffect(
|
|
instance,
|
|
vnode,
|
|
// component may have been moved before resolve.
|
|
// if this is not a hydration, instance.subTree will be the comment
|
|
// placeholder.
|
|
parentNode(hydratedEl || instance.subTree.el!)!,
|
|
// anchor will not be used if this is hydration, so only need to
|
|
// consider the comment placeholder case.
|
|
hydratedEl ? null : next(instance.subTree),
|
|
suspense,
|
|
namespace,
|
|
optimized,
|
|
)
|
|
if (placeholder) {
|
|
remove(placeholder)
|
|
}
|
|
updateHOCHostEl(instance, vnode.el)
|
|
if (__DEV__) {
|
|
popWarningContext()
|
|
}
|
|
// only decrease deps count if suspense is not already resolved
|
|
if (isInPendingSuspense && --suspense.deps === 0) {
|
|
suspense.resolve()
|
|
}
|
|
})
|
|
},
|
|
|
|
unmount(parentSuspense, doRemove) {
|
|
suspense.isUnmounted = true
|
|
if (suspense.activeBranch) {
|
|
unmount(
|
|
suspense.activeBranch,
|
|
parentComponent,
|
|
parentSuspense,
|
|
doRemove,
|
|
)
|
|
}
|
|
if (suspense.pendingBranch) {
|
|
unmount(
|
|
suspense.pendingBranch,
|
|
parentComponent,
|
|
parentSuspense,
|
|
doRemove,
|
|
)
|
|
}
|
|
},
|
|
}
|
|
|
|
return suspense
|
|
}
|
|
|
|
function hydrateSuspense(
|
|
node: Node,
|
|
vnode: VNode,
|
|
parentComponent: ComponentInternalInstance | null,
|
|
parentSuspense: SuspenseBoundary | null,
|
|
namespace: ElementNamespace,
|
|
slotScopeIds: string[] | null,
|
|
optimized: boolean,
|
|
rendererInternals: RendererInternals,
|
|
hydrateNode: (
|
|
node: Node,
|
|
vnode: VNode,
|
|
parentComponent: ComponentInternalInstance | null,
|
|
parentSuspense: SuspenseBoundary | null,
|
|
slotScopeIds: string[] | null,
|
|
optimized: boolean,
|
|
) => Node | null,
|
|
): Node | null {
|
|
const suspense = (vnode.suspense = createSuspenseBoundary(
|
|
vnode,
|
|
parentSuspense,
|
|
parentComponent,
|
|
node.parentNode!,
|
|
// eslint-disable-next-line no-restricted-globals
|
|
document.createElement('div'),
|
|
null,
|
|
namespace,
|
|
slotScopeIds,
|
|
optimized,
|
|
rendererInternals,
|
|
true /* hydrating */,
|
|
))
|
|
// there are two possible scenarios for server-rendered suspense:
|
|
// - success: ssr content should be fully resolved
|
|
// - failure: ssr content should be the fallback branch.
|
|
// however, on the client we don't really know if it has failed or not
|
|
// attempt to hydrate the DOM assuming it has succeeded, but we still
|
|
// need to construct a suspense boundary first
|
|
const result = hydrateNode(
|
|
node,
|
|
(suspense.pendingBranch = vnode.ssContent!),
|
|
parentComponent,
|
|
suspense,
|
|
slotScopeIds,
|
|
optimized,
|
|
)
|
|
if (suspense.deps === 0) {
|
|
suspense.resolve(false, true)
|
|
}
|
|
return result
|
|
}
|
|
|
|
function normalizeSuspenseChildren(vnode: VNode) {
|
|
const { shapeFlag, children } = vnode
|
|
const isSlotChildren = shapeFlag & ShapeFlags.SLOTS_CHILDREN
|
|
vnode.ssContent = normalizeSuspenseSlot(
|
|
isSlotChildren ? (children as Slots).default : children,
|
|
)
|
|
vnode.ssFallback = isSlotChildren
|
|
? normalizeSuspenseSlot((children as Slots).fallback)
|
|
: createVNode(Comment)
|
|
}
|
|
|
|
function normalizeSuspenseSlot(s: any) {
|
|
let block: VNode[] | null | undefined
|
|
if (isFunction(s)) {
|
|
const trackBlock = isBlockTreeEnabled && s._c
|
|
if (trackBlock) {
|
|
// disableTracking: false
|
|
// allow block tracking for compiled slots
|
|
// (see ./componentRenderContext.ts)
|
|
s._d = false
|
|
openBlock()
|
|
}
|
|
s = s()
|
|
if (trackBlock) {
|
|
s._d = true
|
|
block = currentBlock
|
|
closeBlock()
|
|
}
|
|
}
|
|
if (isArray(s)) {
|
|
const singleChild = filterSingleRoot(s)
|
|
if (
|
|
__DEV__ &&
|
|
!singleChild &&
|
|
s.filter(child => child !== NULL_DYNAMIC_COMPONENT).length > 0
|
|
) {
|
|
warn(`<Suspense> slots expect a single root node.`)
|
|
}
|
|
s = singleChild
|
|
}
|
|
s = normalizeVNode(s)
|
|
if (block && !s.dynamicChildren) {
|
|
s.dynamicChildren = block.filter(c => c !== s)
|
|
}
|
|
return s
|
|
}
|
|
|
|
export function queueEffectWithSuspense(
|
|
fn: Function | Function[],
|
|
suspense: SuspenseBoundary | null,
|
|
): void {
|
|
if (suspense && suspense.pendingBranch) {
|
|
if (isArray(fn)) {
|
|
suspense.effects.push(...fn)
|
|
} else {
|
|
suspense.effects.push(fn)
|
|
}
|
|
} else {
|
|
queuePostFlushCb(fn)
|
|
}
|
|
}
|
|
|
|
function setActiveBranch(suspense: SuspenseBoundary, branch: VNode) {
|
|
suspense.activeBranch = branch
|
|
const { vnode, parentComponent } = suspense
|
|
let el = branch.el
|
|
// if branch has no el after patch, it's a HOC wrapping async components
|
|
// drill and locate the placeholder comment node
|
|
while (!el && branch.component) {
|
|
branch = branch.component.subTree
|
|
el = branch.el
|
|
}
|
|
vnode.el = el
|
|
// in case suspense is the root node of a component,
|
|
// recursively update the HOC el
|
|
if (parentComponent && parentComponent.subTree === vnode) {
|
|
parentComponent.vnode.el = el
|
|
updateHOCHostEl(parentComponent, el)
|
|
}
|
|
}
|
|
|
|
function isVNodeSuspensible(vnode: VNode) {
|
|
return vnode.props?.suspensible != null && vnode.props.suspensible !== false
|
|
}
|