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16x 16x 75x 59x 59x 59x 75x 2x 2x 2x 2x 108x 108x 108x 108x 108x 108x 108x 108x 108x 108x 108x 108x 108x 108x 108x 108x 108x 108x 108x 108x 1x 1x 1x 108x 56x 56x 56x 56x 56x 56x 56x 56x 56x 1x 1x 56x 56x 56x 56x 56x 56x 56x 56x 56x 56x 56x 56x 56x 56x 56x 56x 50x 2x 50x 50x 43x 43x 43x 56x 56x 56x 13x 13x 13x 56x 22x 56x 34x 34x 108x 52x 52x 52x 52x 52x 52x 52x 52x 52x 52x 52x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 52x 46x 46x 46x 46x 46x 46x 46x 46x 46x 46x 46x 46x 52x 15x 6x 6x 6x 6x 6x 6x 6x 15x 9x 4x 4x 9x 52x 37x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 7x 37x 6x 6x 6x 6x 6x 6x 6x 6x 37x 52x 52x 108x 2x 26x 26x 26x 26x 26x 26x 26x 26x 26x 26x 26x 26x 26x 26x 26x 26x 22x 22x 22x 26x 26x 26x 26x 28x 28x 28x 28x 28x 28x 28x 28x 28x 26x 26x 2x 2x 2x 2x 2x 2x 2x 23x 23x 23x 23x 23x 23x 23x 23x 7x 7x 23x 23x 23x 4x 4x 23x 21x 21x 29x 29x 29x 29x 29x 29x 29x 21x 21x 23x 4x 4x 23x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 12x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 12x 10x 10x 10x 24x 14x 7x 7x 7x 7x 7x 7x 7x 14x 17x 17x 10x 3x 3x 10x 10x 10x 10x 10x 10x 10x 10x 10x 10x 12x 12x 12x 12x 12x 2x 120x 120x 120x 5x 5x 1x 1x 5x 4x 4x 4x 5x 12x 12x 12x 5x 5x 120x 59x 59x 59x 59x 59x 59x 59x 59x 59x 59x 53x 53x 53x 59x 59x | import type { ComponentInternalInstance } from '../component' import type { SuspenseBoundary } from './Suspense' import { type ElementNamespace, MoveType, type RendererElement, type RendererInternals, type RendererNode, type RendererOptions, queuePostRenderEffect, traverseStaticChildren, } from '../renderer' import type { VNode, VNodeArrayChildren, VNodeProps } from '../vnode' import { ShapeFlags, isString } from '@vue/shared' import { warn } from '../warning' import { isHmrUpdating } from '../hmr' export type TeleportVNode = VNode<RendererNode, RendererElement, TeleportProps> export interface TeleportProps { to: string | RendererElement | null | undefined disabled?: boolean defer?: boolean } export const TeleportEndKey: unique symbol = Symbol('_vte') export const isTeleport = (type: any): boolean => type.__isTeleport const isTeleportDisabled = (props: VNode['props']): boolean => props && (props.disabled || props.disabled === '') const isTeleportDeferred = (props: VNode['props']): boolean => props && (props.defer || props.defer === '') const isTargetSVG = (target: RendererElement): boolean => typeof SVGElement !== 'undefined' && target instanceof SVGElement const isTargetMathML = (target: RendererElement): boolean => typeof MathMLElement === 'function' && target instanceof MathMLElement const resolveTarget = <T = RendererElement>( props: TeleportProps | null, select: RendererOptions['querySelector'], ): T | null => { const targetSelector = props && props.to if (isString(targetSelector)) { if (!select) { __DEV__ && warn( `Current renderer does not support string target for Teleports. ` + `(missing querySelector renderer option)`, ) return null } else { const target = select(targetSelector) if (__DEV__ && !target && !isTeleportDisabled(props)) { warn( `Failed to locate Teleport target with selector "${targetSelector}". ` + `Note the target element must exist before the component is mounted - ` + `i.e. the target cannot be rendered by the component itself, and ` + `ideally should be outside of the entire Vue component tree.`, ) } return target as T } } else { if (__DEV__ && !targetSelector && !isTeleportDisabled(props)) { warn(`Invalid Teleport target: ${targetSelector}`) } return targetSelector as T } } export const TeleportImpl = { name: 'Teleport', __isTeleport: true, process( n1: TeleportVNode | null, n2: TeleportVNode, container: RendererElement, anchor: RendererNode | null, parentComponent: ComponentInternalInstance | null, parentSuspense: SuspenseBoundary | null, namespace: ElementNamespace, slotScopeIds: string[] | null, optimized: boolean, internals: RendererInternals, ): void { const { mc: mountChildren, pc: patchChildren, pbc: patchBlockChildren, o: { insert, querySelector, createText, createComment }, } = internals const disabled = isTeleportDisabled(n2.props) let { shapeFlag, children, dynamicChildren } = n2 // #3302 // HMR updated, force full diff if (__DEV__ && isHmrUpdating) { optimized = false dynamicChildren = null } if (n1 == null) { // insert anchors in the main view const placeholder = (n2.el = __DEV__ ? createComment('teleport start') : createText('')) const mainAnchor = (n2.anchor = __DEV__ ? createComment('teleport end') : createText('')) insert(placeholder, container, anchor) insert(mainAnchor, container, anchor) const mount = (container: RendererElement, anchor: RendererNode) => { // Teleport *always* has Array children. This is enforced in both the // compiler and vnode children normalization. if (shapeFlag & ShapeFlags.ARRAY_CHILDREN) { if (parentComponent && parentComponent.isCE) { parentComponent.ce!._teleportTarget = container } mountChildren( children as VNodeArrayChildren, container, anchor, parentComponent, parentSuspense, namespace, slotScopeIds, optimized, ) } } const mountToTarget = () => { const target = (n2.target = resolveTarget(n2.props, querySelector)) const targetAnchor = prepareAnchor(target, n2, createText, insert) if (target) { // #2652 we could be teleporting from a non-SVG tree into an SVG tree if (namespace !== 'svg' && isTargetSVG(target)) { namespace = 'svg' } else if (namespace !== 'mathml' && isTargetMathML(target)) { namespace = 'mathml' } if (!disabled) { mount(target, targetAnchor) updateCssVars(n2, false) } } else if (__DEV__ && !disabled) { warn( 'Invalid Teleport target on mount:', target, `(${typeof target})`, ) } } if (disabled) { mount(container, mainAnchor) updateCssVars(n2, true) } if (isTeleportDeferred(n2.props)) { queuePostRenderEffect(mountToTarget, parentSuspense) } else { mountToTarget() } } else { // update content n2.el = n1.el n2.targetStart = n1.targetStart const mainAnchor = (n2.anchor = n1.anchor)! const target = (n2.target = n1.target)! const targetAnchor = (n2.targetAnchor = n1.targetAnchor)! const wasDisabled = isTeleportDisabled(n1.props) const currentContainer = wasDisabled ? container : target const currentAnchor = wasDisabled ? mainAnchor : targetAnchor if (namespace === 'svg' || isTargetSVG(target)) { namespace = 'svg' } else if (namespace === 'mathml' || isTargetMathML(target)) { namespace = 'mathml' } if (dynamicChildren) { // fast path when the teleport happens to be a block root patchBlockChildren( n1.dynamicChildren!, dynamicChildren, currentContainer, parentComponent, parentSuspense, namespace, slotScopeIds, ) // even in block tree mode we need to make sure all root-level nodes // in the teleport inherit previous DOM references so that they can // be moved in future patches. traverseStaticChildren(n1, n2, true) } else if (!optimized) { patchChildren( n1, n2, currentContainer, currentAnchor, parentComponent, parentSuspense, namespace, slotScopeIds, false, ) } if (disabled) { if (!wasDisabled) { // enabled -> disabled // move into main container moveTeleport( n2, container, mainAnchor, internals, TeleportMoveTypes.TOGGLE, ) } else { // #7835 // When `teleport` is disabled, `to` may change, making it always old, // to ensure the correct `to` when enabled if (n2.props && n1.props && n2.props.to !== n1.props.to) { n2.props.to = n1.props.to } } } else { // target changed if ((n2.props && n2.props.to) !== (n1.props && n1.props.to)) { const nextTarget = (n2.target = resolveTarget( n2.props, querySelector, )) if (nextTarget) { moveTeleport( n2, nextTarget, null, internals, TeleportMoveTypes.TARGET_CHANGE, ) } else if (__DEV__) { warn( 'Invalid Teleport target on update:', target, `(${typeof target})`, ) } } else if (wasDisabled) { // disabled -> enabled // move into teleport target moveTeleport( n2, target, targetAnchor, internals, TeleportMoveTypes.TOGGLE, ) } } updateCssVars(n2, disabled) } }, remove( vnode: VNode, parentComponent: ComponentInternalInstance | null, parentSuspense: SuspenseBoundary | null, { um: unmount, o: { remove: hostRemove } }: RendererInternals, doRemove: boolean, ): void { const { shapeFlag, children, anchor, targetStart, targetAnchor, target, props, } = vnode if (target) { hostRemove(targetStart!) hostRemove(targetAnchor!) } // an unmounted teleport should always unmount its children whether it's disabled or not doRemove && hostRemove(anchor!) if (shapeFlag & ShapeFlags.ARRAY_CHILDREN) { const shouldRemove = doRemove || !isTeleportDisabled(props) for (let i = 0; i < (children as VNode[]).length; i++) { const child = (children as VNode[])[i] unmount( child, parentComponent, parentSuspense, shouldRemove, !!child.dynamicChildren, ) } } }, move: moveTeleport as typeof moveTeleport, hydrate: hydrateTeleport as typeof hydrateTeleport, } export enum TeleportMoveTypes { TARGET_CHANGE, TOGGLE, // enable / disable REORDER, // moved in the main view } function moveTeleport( vnode: VNode, container: RendererElement, parentAnchor: RendererNode | null, { o: { insert }, m: move }: RendererInternals, moveType: TeleportMoveTypes = TeleportMoveTypes.REORDER, ): void { // move target anchor if this is a target change. if (moveType === TeleportMoveTypes.TARGET_CHANGE) { insert(vnode.targetAnchor!, container, parentAnchor) } const { el, anchor, shapeFlag, children, props } = vnode const isReorder = moveType === TeleportMoveTypes.REORDER // move main view anchor if this is a re-order. if (isReorder) { insert(el!, container, parentAnchor) } // if this is a re-order and teleport is enabled (content is in target) // do not move children. So the opposite is: only move children if this // is not a reorder, or the teleport is disabled if (!isReorder || isTeleportDisabled(props)) { // Teleport has either Array children or no children. if (shapeFlag & ShapeFlags.ARRAY_CHILDREN) { for (let i = 0; i < (children as VNode[]).length; i++) { move( (children as VNode[])[i], container, parentAnchor, MoveType.REORDER, ) } } } // move main view anchor if this is a re-order. if (isReorder) { insert(anchor!, container, parentAnchor) } } interface TeleportTargetElement extends Element { // last teleport target _lpa?: Node | null } function hydrateTeleport( node: Node, vnode: TeleportVNode, parentComponent: ComponentInternalInstance | null, parentSuspense: SuspenseBoundary | null, slotScopeIds: string[] | null, optimized: boolean, { o: { nextSibling, parentNode, querySelector, insert, createText }, }: RendererInternals<Node, Element>, hydrateChildren: ( node: Node | null, vnode: VNode, container: Element, parentComponent: ComponentInternalInstance | null, parentSuspense: SuspenseBoundary | null, slotScopeIds: string[] | null, optimized: boolean, ) => Node | null, ): Node | null { const target = (vnode.target = resolveTarget<Element>( vnode.props, querySelector, )) if (target) { const disabled = isTeleportDisabled(vnode.props) // if multiple teleports rendered to the same target element, we need to // pick up from where the last teleport finished instead of the first node const targetNode = (target as TeleportTargetElement)._lpa || target.firstChild if (vnode.shapeFlag & ShapeFlags.ARRAY_CHILDREN) { if (disabled) { vnode.anchor = hydrateChildren( nextSibling(node), vnode, parentNode(node)!, parentComponent, parentSuspense, slotScopeIds, optimized, ) vnode.targetStart = targetNode vnode.targetAnchor = targetNode && nextSibling(targetNode) } else { vnode.anchor = nextSibling(node) // lookahead until we find the target anchor // we cannot rely on return value of hydrateChildren() because there // could be nested teleports let targetAnchor = targetNode while (targetAnchor) { if (targetAnchor && targetAnchor.nodeType === 8) { if ((targetAnchor as Comment).data === 'teleport start anchor') { vnode.targetStart = targetAnchor } else if ((targetAnchor as Comment).data === 'teleport anchor') { vnode.targetAnchor = targetAnchor ;(target as TeleportTargetElement)._lpa = vnode.targetAnchor && nextSibling(vnode.targetAnchor as Node) break } } targetAnchor = nextSibling(targetAnchor) } // #11400 if the HTML corresponding to Teleport is not embedded in the // correct position on the final page during SSR. the targetAnchor will // always be null, we need to manually add targetAnchor to ensure // Teleport it can properly unmount or move if (!vnode.targetAnchor) { prepareAnchor(target, vnode, createText, insert) } hydrateChildren( targetNode && nextSibling(targetNode), vnode, target, parentComponent, parentSuspense, slotScopeIds, optimized, ) } } updateCssVars(vnode, disabled) } return vnode.anchor && nextSibling(vnode.anchor as Node) } // Force-casted public typing for h and TSX props inference export const Teleport = TeleportImpl as unknown as { __isTeleport: true new (): { $props: VNodeProps & TeleportProps $slots: { default(): VNode[] } } } function updateCssVars(vnode: VNode, isDisabled: boolean) { // presence of .ut method indicates owner component uses css vars. // code path here can assume browser environment. const ctx = vnode.ctx if (ctx && ctx.ut) { let node, anchor if (isDisabled) { node = vnode.el anchor = vnode.anchor } else { node = vnode.targetStart anchor = vnode.targetAnchor } while (node && node !== anchor) { if (node.nodeType === 1) node.setAttribute('data-v-owner', ctx.uid) node = node.nextSibling } ctx.ut() } } function prepareAnchor( target: RendererElement | null, vnode: TeleportVNode, createText: RendererOptions['createText'], insert: RendererOptions['insert'], ) { const targetStart = (vnode.targetStart = createText('')) const targetAnchor = (vnode.targetAnchor = createText('')) // attach a special property, so we can skip teleported content in // renderer's nextSibling search targetStart[TeleportEndKey] = targetAnchor if (target) { insert(targetStart, target) insert(targetAnchor, target) } return targetAnchor } |