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242x 252x 242x 2x 2x 2x 3x 3x 2x 242x 242x 242x 242x 242x 242x 242x 242x 242x 242x 242x 242x 242x 242x 242x 520x 274x 274x 274x 274x 274x 274x 278x 4x 4x 4x 4x 520x 520x 520x 520x 2x 528x 528x 528x 528x 528x 528x 528x 19x 19x 528x 528x 118x 118x 528x 18x 18x 15x 3x 18x 18x 528x 3x 3x 528x 41x 3x 3x 3x 41x 41x 41x 41x 41x 41x 41x 41x 41x 528x 348x 199x 343x 126x 149x 7x 23x 16x 16x 528x 528x 2x 90x 90x 90x 90x 90x 90x 220x 220x 90x 199x 199x 199x 199x 199x 199x 199x 199x 199x 199x 52x 52x 199x 9x 9x 199x 199x 199x 184x 184x 3x 3x 184x 184x 199x 3x 3x 199x 199x 182x 182x 38x 3x 3x 38x 3x 3x 35x 3x 3x 3x 38x 182x 173x 117x 167x 38x 38x 38x 38x 38x 38x 38x 173x 182x 182x 199x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 19x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x | import { Comment, type Component, type ComponentInternalInstance, type DirectiveBinding, Fragment, type FunctionalComponent, Static, Text, type VNode, type VNodeArrayChildren, type VNodeProps, mergeProps, ssrUtils, warn, } from 'vue' import { NOOP, ShapeFlags, escapeHtml, escapeHtmlComment, isArray, isFunction, isPromise, isString, isVoidTag, } from '@vue/shared' import { ssrRenderAttrs } from './helpers/ssrRenderAttrs' import { ssrCompile } from './helpers/ssrCompile' import { ssrRenderTeleport } from './helpers/ssrRenderTeleport' const { createComponentInstance, setCurrentRenderingInstance, setupComponent, renderComponentRoot, normalizeVNode, pushWarningContext, popWarningContext, } = ssrUtils export type SSRBuffer = SSRBufferItem[] & { hasAsync?: boolean } export type SSRBufferItem = string | SSRBuffer | Promise<SSRBuffer> export type PushFn = (item: SSRBufferItem) => void export type Props = Record<string, unknown> export type SSRContext = { [key: string]: any teleports?: Record<string, string> /** * @internal */ __teleportBuffers?: Record<string, SSRBuffer> /** * @internal */ __watcherHandles?: (() => void)[] } // Each component has a buffer array. // A buffer array can contain one of the following: // - plain string // - A resolved buffer (recursive arrays of strings that can be unrolled // synchronously) // - An async buffer (a Promise that resolves to a resolved buffer) export function createBuffer() { let appendable = false const buffer: SSRBuffer = [] return { getBuffer(): SSRBuffer { // Return static buffer and await on items during unroll stage return buffer }, push(item: SSRBufferItem): void { const isStringItem = isString(item) if (appendable && isStringItem) { buffer[buffer.length - 1] += item as string return } buffer.push(item) appendable = isStringItem if (isPromise(item) || (isArray(item) && item.hasAsync)) { // promise, or child buffer with async, mark as async. // this allows skipping unnecessary await ticks during unroll stage buffer.hasAsync = true } }, } } export function renderComponentVNode( vnode: VNode, parentComponent: ComponentInternalInstance | null = null, slotScopeId?: string, ): SSRBuffer | Promise<SSRBuffer> { const instance = (vnode.component = createComponentInstance( vnode, parentComponent, null, )) if (__DEV__) pushWarningContext(vnode) const res = setupComponent(instance, true /* isSSR */) if (__DEV__) popWarningContext() const hasAsyncSetup = isPromise(res) let prefetches = instance.sp /* LifecycleHooks.SERVER_PREFETCH */ if (hasAsyncSetup || prefetches) { const p: Promise<unknown> = Promise.resolve(res as Promise<void>) .then(() => { // instance.sp may be null until an async setup resolves, so evaluate it here if (hasAsyncSetup) prefetches = instance.sp if (prefetches) { return Promise.all( prefetches.map(prefetch => prefetch.call(instance.proxy)), ) } }) // Note: error display is already done by the wrapped lifecycle hook function. .catch(NOOP) return p.then(() => renderComponentSubTree(instance, slotScopeId)) } else { return renderComponentSubTree(instance, slotScopeId) } } function renderComponentSubTree( instance: ComponentInternalInstance, slotScopeId?: string, ): SSRBuffer | Promise<SSRBuffer> { if (__DEV__) pushWarningContext(instance.vnode) const comp = instance.type as Component const { getBuffer, push } = createBuffer() if (isFunction(comp)) { let root = renderComponentRoot(instance) // #5817 scope ID attrs not falling through if functional component doesn't // have props if (!(comp as FunctionalComponent).props) { for (const key in instance.attrs) { if (key.startsWith(`data-v-`)) { ;(root.props || (root.props = {}))[key] = `` } } } renderVNode(push, (instance.subTree = root), instance, slotScopeId) } else { if ( (!instance.render || instance.render === NOOP) && !instance.ssrRender && !comp.ssrRender && isString(comp.template) ) { comp.ssrRender = ssrCompile(comp.template, instance) } const ssrRender = instance.ssrRender || comp.ssrRender if (ssrRender) { // optimized // resolve fallthrough attrs let attrs = instance.inheritAttrs !== false ? instance.attrs : undefined let hasCloned = false let cur = instance while (true) { const scopeId = cur.vnode.scopeId if (scopeId) { if (!hasCloned) { attrs = { ...attrs } hasCloned = true } attrs![scopeId] = '' } const parent = cur.parent if (parent && parent.subTree && parent.subTree === cur.vnode) { // parent is a non-SSR compiled component and is rendering this // component as root. inherit its scopeId if present. cur = parent } else { break } } if (slotScopeId) { if (!hasCloned) attrs = { ...attrs } const slotScopeIdList = slotScopeId.trim().split(' ') for (let i = 0; i < slotScopeIdList.length; i++) { attrs![slotScopeIdList[i]] = '' } } // set current rendering instance for asset resolution const prev = setCurrentRenderingInstance(instance) try { ssrRender( instance.proxy, push, instance, attrs, // compiler-optimized bindings instance.props, instance.setupState, instance.data, instance.ctx, ) } finally { setCurrentRenderingInstance(prev) } } else if (instance.render && instance.render !== NOOP) { renderVNode( push, (instance.subTree = renderComponentRoot(instance)), instance, slotScopeId, ) } else { const componentName = comp.name || comp.__file || `<Anonymous>` warn(`Component ${componentName} is missing template or render function.`) push(`<!---->`) } } if (__DEV__) popWarningContext() return getBuffer() } export function renderVNode( push: PushFn, vnode: VNode, parentComponent: ComponentInternalInstance, slotScopeId?: string, ): void { const { type, shapeFlag, children, dirs, props } = vnode if (dirs) { vnode.props = applySSRDirectives(vnode, props, dirs) } switch (type) { case Text: push(escapeHtml(children as string)) break case Comment: push( children ? `<!--${escapeHtmlComment(children as string)}-->` : `<!---->`, ) break case Static: push(children as string) break case Fragment: if (vnode.slotScopeIds) { slotScopeId = (slotScopeId ? slotScopeId + ' ' : '') + vnode.slotScopeIds.join(' ') } push(`<!--[-->`) // open renderVNodeChildren( push, children as VNodeArrayChildren, parentComponent, slotScopeId, ) push(`<!--]-->`) // close break default: if (shapeFlag & ShapeFlags.ELEMENT) { renderElementVNode(push, vnode, parentComponent, slotScopeId) } else if (shapeFlag & ShapeFlags.COMPONENT) { push(renderComponentVNode(vnode, parentComponent, slotScopeId)) } else if (shapeFlag & ShapeFlags.TELEPORT) { renderTeleportVNode(push, vnode, parentComponent, slotScopeId) } else if (shapeFlag & ShapeFlags.SUSPENSE) { renderVNode(push, vnode.ssContent!, parentComponent, slotScopeId) } else { warn( '[@vue/server-renderer] Invalid VNode type:', type, `(${typeof type})`, ) } } } export function renderVNodeChildren( push: PushFn, children: VNodeArrayChildren, parentComponent: ComponentInternalInstance, slotScopeId?: string, ): void { for (let i = 0; i < children.length; i++) { renderVNode(push, normalizeVNode(children[i]), parentComponent, slotScopeId) } } function renderElementVNode( push: PushFn, vnode: VNode, parentComponent: ComponentInternalInstance, slotScopeId?: string, ) { const tag = vnode.type as string let { props, children, shapeFlag, scopeId } = vnode let openTag = `<${tag}` if (props) { openTag += ssrRenderAttrs(props, tag) } if (scopeId) { openTag += ` ${scopeId}` } // inherit parent chain scope id if this is the root node let curParent: ComponentInternalInstance | null = parentComponent let curVnode = vnode while (curParent && curVnode === curParent.subTree) { curVnode = curParent.vnode if (curVnode.scopeId) { openTag += ` ${curVnode.scopeId}` } curParent = curParent.parent } if (slotScopeId) { openTag += ` ${slotScopeId}` } push(openTag + `>`) if (!isVoidTag(tag)) { let hasChildrenOverride = false if (props) { if (props.innerHTML) { hasChildrenOverride = true push(props.innerHTML) } else if (props.textContent) { hasChildrenOverride = true push(escapeHtml(props.textContent)) } else if (tag === 'textarea' && props.value) { hasChildrenOverride = true push(escapeHtml(props.value)) } } if (!hasChildrenOverride) { if (shapeFlag & ShapeFlags.TEXT_CHILDREN) { push(escapeHtml(children as string)) } else if (shapeFlag & ShapeFlags.ARRAY_CHILDREN) { renderVNodeChildren( push, children as VNodeArrayChildren, parentComponent, slotScopeId, ) } } push(`</${tag}>`) } } function applySSRDirectives( vnode: VNode, rawProps: VNodeProps | null, dirs: DirectiveBinding[], ): VNodeProps { const toMerge: VNodeProps[] = [] for (let i = 0; i < dirs.length; i++) { const binding = dirs[i] const { dir: { getSSRProps }, } = binding if (getSSRProps) { const props = getSSRProps(binding, vnode) if (props) toMerge.push(props) } } return mergeProps(rawProps || {}, ...toMerge) } function renderTeleportVNode( push: PushFn, vnode: VNode, parentComponent: ComponentInternalInstance, slotScopeId?: string, ) { const target = vnode.props && vnode.props.to const disabled = vnode.props && vnode.props.disabled if (!target) { if (!disabled) { warn(`[@vue/server-renderer] Teleport is missing target prop.`) } return [] } if (!isString(target)) { warn( `[@vue/server-renderer] Teleport target must be a query selector string.`, ) return [] } ssrRenderTeleport( push, push => { renderVNodeChildren( push, vnode.children as VNodeArrayChildren, parentComponent, slotScopeId, ) }, target, disabled || disabled === '', parentComponent, ) } |