\n\t\t)\n\n\t}\n\n}\n\nexport default App;\n","import './style';\nimport App from './components/app';\n\nexport default App;\n","/**\n * Assign properties from `props` to `obj`\n * @template O, P The obj and props types\n * @param {O} obj The object to copy properties to\n * @param {P} props The object to copy properties from\n * @returns {O & P}\n */\nexport function assign(obj, props) {\n\t// @ts-ignore We change the type of `obj` to be `O & P`\n\tfor (let i in props) obj[i] = props[i];\n\treturn /** @type {O & P} */ (obj);\n}\n\n/**\n * Remove a child node from its parent if attached. This is a workaround for\n * IE11 which doesn't support `Element.prototype.remove()`. Using this function\n * is smaller than including a dedicated polyfill.\n * @param {Node} node The node to remove\n */\nexport function removeNode(node) {\n\tlet parentNode = node.parentNode;\n\tif (parentNode) parentNode.removeChild(node);\n}\n","import { cloneElement, createElement, Component, toChildArray } from 'preact';\nimport { exec, prepareVNodeForRanking, assign, pathRankSort } from './util';\n\nlet customHistory = null;\n\nconst ROUTERS = [];\n\nconst subscribers = [];\n\nconst EMPTY = {};\n\nfunction setUrl(url, type='push') {\n\tif (customHistory && customHistory[type]) {\n\t\tcustomHistory[type](url);\n\t}\n\telse if (typeof history!=='undefined' && history[type+'State']) {\n\t\thistory[type+'State'](null, null, url);\n\t}\n}\n\n\nfunction getCurrentUrl() {\n\tlet url;\n\tif (customHistory && customHistory.location) {\n\t\turl = customHistory.location;\n\t}\n\telse if (customHistory && customHistory.getCurrentLocation) {\n\t\turl = customHistory.getCurrentLocation();\n\t}\n\telse {\n\t\turl = typeof location!=='undefined' ? location : EMPTY;\n\t}\n\treturn `${url.pathname || ''}${url.search || ''}`;\n}\n\n\n\nfunction route(url, replace=false) {\n\tif (typeof url!=='string' && url.url) {\n\t\treplace = url.replace;\n\t\turl = url.url;\n\t}\n\n\t// only push URL into history if we can handle it\n\tif (canRoute(url)) {\n\t\tsetUrl(url, replace ? 'replace' : 'push');\n\t}\n\n\treturn routeTo(url);\n}\n\n\n/** Check if the given URL can be handled by any router instances. */\nfunction canRoute(url) {\n\tfor (let i=ROUTERS.length; i--; ) {\n\t\tif (ROUTERS[i].canRoute(url)) return true;\n\t}\n\treturn false;\n}\n\n\n/** Tell all router instances to handle the given URL. */\nfunction routeTo(url) {\n\tlet didRoute = false;\n\tfor (let i=0; i {\n\t\t\t\trouteTo(getCurrentUrl());\n\t\t\t});\n\t\t}\n\t\taddEventListener('click', delegateLinkHandler);\n\t}\n\teventListenersInitialized = true;\n}\n\n\nclass Router extends Component {\n\tconstructor(props) {\n\t\tsuper(props);\n\t\tif (props.history) {\n\t\t\tcustomHistory = props.history;\n\t\t}\n\n\t\tthis.state = {\n\t\t\turl: props.url || getCurrentUrl()\n\t\t};\n\n\t\tinitEventListeners();\n\t}\n\n\tshouldComponentUpdate(props) {\n\t\tif (props.static!==true) return true;\n\t\treturn props.url!==this.props.url || props.onChange!==this.props.onChange;\n\t}\n\n\t/** Check if the given URL can be matched against any children */\n\tcanRoute(url) {\n\t\tconst children = toChildArray(this.props.children);\n\t\treturn this.getMatchingChildren(children, url, false).length > 0;\n\t}\n\n\t/** Re-render children with a new URL to match against. */\n\trouteTo(url) {\n\t\tthis.setState({ url });\n\n\t\tconst didRoute = this.canRoute(url);\n\n\t\t// trigger a manual re-route if we're not in the middle of an update:\n\t\tif (!this.updating) this.forceUpdate();\n\n\t\treturn didRoute;\n\t}\n\n\tcomponentWillMount() {\n\t\tROUTERS.push(this);\n\t\tthis.updating = true;\n\t}\n\n\tcomponentDidMount() {\n\t\tif (customHistory) {\n\t\t\tthis.unlisten = customHistory.listen((location) => {\n\t\t\t\tthis.routeTo(`${location.pathname || ''}${location.search || ''}`);\n\t\t\t});\n\t\t}\n\t\tthis.updating = false;\n\t}\n\n\tcomponentWillUnmount() {\n\t\tif (typeof this.unlisten==='function') this.unlisten();\n\t\tROUTERS.splice(ROUTERS.indexOf(this), 1);\n\t}\n\n\tcomponentWillUpdate() {\n\t\tthis.updating = true;\n\t}\n\n\tcomponentDidUpdate() {\n\t\tthis.updating = false;\n\t}\n\n\tgetMatchingChildren(children, url, invoke) {\n\t\treturn children\n\t\t\t.filter(prepareVNodeForRanking)\n\t\t\t.sort(pathRankSort)\n\t\t\t.map( vnode => {\n\t\t\t\tlet matches = exec(url, vnode.props.path, vnode.props);\n\t\t\t\tif (matches) {\n\t\t\t\t\tif (invoke !== false) {\n\t\t\t\t\t\tlet newProps = { url, matches };\n\t\t\t\t\t\tassign(newProps, matches);\n\t\t\t\t\t\tdelete newProps.ref;\n\t\t\t\t\t\tdelete newProps.key;\n\t\t\t\t\t\treturn cloneElement(vnode, newProps);\n\t\t\t\t\t}\n\t\t\t\t\treturn vnode;\n\t\t\t\t}\n\t\t\t}).filter(Boolean);\n\t}\n\n\trender({ children, onChange }, { url }) {\n\t\tlet active = this.getMatchingChildren(toChildArray(children), url, true);\n\n\t\tlet current = active[0] || null;\n\n\t\tlet previous = this.previousUrl;\n\t\tif (url!==previous) {\n\t\t\tthis.previousUrl = url;\n\t\t\tif (typeof onChange==='function') {\n\t\t\t\tonChange({\n\t\t\t\t\trouter: this,\n\t\t\t\t\turl,\n\t\t\t\t\tprevious,\n\t\t\t\t\tactive,\n\t\t\t\t\tcurrent\n\t\t\t\t});\n\t\t\t}\n\t\t}\n\n\t\treturn current;\n\t}\n}\n\nconst Link = (props) => (\n\tcreateElement('a', assign({ onClick: handleLinkClick }, props))\n);\n\nconst Route = props => createElement(props.component, props);\n\nRouter.subscribers = subscribers;\nRouter.getCurrentUrl = getCurrentUrl;\nRouter.route = route;\nRouter.Router = Router;\nRouter.Route = Route;\nRouter.Link = Link;\nRouter.exec = exec;\n\nexport { subscribers, getCurrentUrl, route, Router, Route, Link, exec };\nexport default Router;\n","import options from './options';\n\n/**\n * Create an virtual node (used for JSX)\n * @param {import('./internal').VNode[\"type\"]} type The node name or Component\n * constructor for this virtual node\n * @param {object | null | undefined} [props] The properties of the virtual node\n * @param {Array} [children] The children of the virtual node\n * @returns {import('./internal').VNode}\n */\nexport function createElement(type, props, children) {\n\tlet normalizedProps = {},\n\t\tkey,\n\t\tref,\n\t\ti;\n\tfor (i in props) {\n\t\tif (i == 'key') key = props[i];\n\t\telse if (i == 'ref') ref = props[i];\n\t\telse normalizedProps[i] = props[i];\n\t}\n\n\tif (arguments.length > 3) {\n\t\tchildren = [children];\n\t\t// https://github.com/preactjs/preact/issues/1916\n\t\tfor (i = 3; i < arguments.length; i++) {\n\t\t\tchildren.push(arguments[i]);\n\t\t}\n\t}\n\tif (children != null) {\n\t\tnormalizedProps.children = children;\n\t}\n\n\t// If a Component VNode, check for and apply defaultProps\n\t// Note: type may be undefined in development, must never error here.\n\tif (typeof type == 'function' && type.defaultProps != null) {\n\t\tfor (i in type.defaultProps) {\n\t\t\tif (normalizedProps[i] === undefined) {\n\t\t\t\tnormalizedProps[i] = type.defaultProps[i];\n\t\t\t}\n\t\t}\n\t}\n\n\treturn createVNode(type, normalizedProps, key, ref, null);\n}\n\n/**\n * Create a VNode (used internally by Preact)\n * @param {import('./internal').VNode[\"type\"]} type The node name or Component\n * Constructor for this virtual node\n * @param {object | string | number | null} props The properties of this virtual node.\n * If this virtual node represents a text node, this is the text of the node (string or number).\n * @param {string | number | null} key The key for this virtual node, used when\n * diffing it against its children\n * @param {import('./internal').VNode[\"ref\"]} ref The ref property that will\n * receive a reference to its created child\n * @returns {import('./internal').VNode}\n */\nexport function createVNode(type, props, key, ref, original) {\n\t// V8 seems to be better at detecting type shapes if the object is allocated from the same call site\n\t// Do not inline into createElement and coerceToVNode!\n\tconst vnode = {\n\t\ttype,\n\t\tprops,\n\t\tkey,\n\t\tref,\n\t\t_children: null,\n\t\t_parent: null,\n\t\t_depth: 0,\n\t\t_dom: null,\n\t\t// _nextDom must be initialized to undefined b/c it will eventually\n\t\t// be set to dom.nextSibling which can return `null` and it is important\n\t\t// to be able to distinguish between an uninitialized _nextDom and\n\t\t// a _nextDom that has been set to `null`\n\t\t_nextDom: undefined,\n\t\t_component: null,\n\t\t_hydrating: null,\n\t\tconstructor: undefined,\n\t\t_original: original == null ? ++options._vnodeId : original\n\t};\n\n\tif (options.vnode != null) options.vnode(vnode);\n\n\treturn vnode;\n}\n\nexport function createRef() {\n\treturn { current: null };\n}\n\nexport function Fragment(props) {\n\treturn props.children;\n}\n\n/**\n * Check if a the argument is a valid Preact VNode.\n * @param {*} vnode\n * @returns {vnode is import('./internal').VNode}\n */\nexport const isValidElement = vnode =>\n\tvnode != null && vnode.constructor === undefined;\n","import { assign } from './util';\nimport { diff, commitRoot } from './diff/index';\nimport options from './options';\nimport { Fragment } from './create-element';\n\n/**\n * Base Component class. Provides `setState()` and `forceUpdate()`, which\n * trigger rendering\n * @param {object} props The initial component props\n * @param {object} context The initial context from parent components'\n * getChildContext\n */\nexport function Component(props, context) {\n\tthis.props = props;\n\tthis.context = context;\n}\n\n/**\n * Update component state and schedule a re-render.\n * @this {import('./internal').Component}\n * @param {object | ((s: object, p: object) => object)} update A hash of state\n * properties to update with new values or a function that given the current\n * state and props returns a new partial state\n * @param {() => void} [callback] A function to be called once component state is\n * updated\n */\nComponent.prototype.setState = function(update, callback) {\n\t// only clone state when copying to nextState the first time.\n\tlet s;\n\tif (this._nextState != null && this._nextState !== this.state) {\n\t\ts = this._nextState;\n\t} else {\n\t\ts = this._nextState = assign({}, this.state);\n\t}\n\n\tif (typeof update == 'function') {\n\t\t// Some libraries like `immer` mark the current state as readonly,\n\t\t// preventing us from mutating it, so we need to clone it. See #2716\n\t\tupdate = update(assign({}, s), this.props);\n\t}\n\n\tif (update) {\n\t\tassign(s, update);\n\t}\n\n\t// Skip update if updater function returned null\n\tif (update == null) return;\n\n\tif (this._vnode) {\n\t\tif (callback) this._renderCallbacks.push(callback);\n\t\tenqueueRender(this);\n\t}\n};\n\n/**\n * Immediately perform a synchronous re-render of the component\n * @this {import('./internal').Component}\n * @param {() => void} [callback] A function to be called after component is\n * re-rendered\n */\nComponent.prototype.forceUpdate = function(callback) {\n\tif (this._vnode) {\n\t\t// Set render mode so that we can differentiate where the render request\n\t\t// is coming from. We need this because forceUpdate should never call\n\t\t// shouldComponentUpdate\n\t\tthis._force = true;\n\t\tif (callback) this._renderCallbacks.push(callback);\n\t\tenqueueRender(this);\n\t}\n};\n\n/**\n * Accepts `props` and `state`, and returns a new Virtual DOM tree to build.\n * Virtual DOM is generally constructed via [JSX](http://jasonformat.com/wtf-is-jsx).\n * @param {object} props Props (eg: JSX attributes) received from parent\n * element/component\n * @param {object} state The component's current state\n * @param {object} context Context object, as returned by the nearest\n * ancestor's `getChildContext()`\n * @returns {import('./index').ComponentChildren | void}\n */\nComponent.prototype.render = Fragment;\n\n/**\n * @param {import('./internal').VNode} vnode\n * @param {number | null} [childIndex]\n */\nexport function getDomSibling(vnode, childIndex) {\n\tif (childIndex == null) {\n\t\t// Use childIndex==null as a signal to resume the search from the vnode's sibling\n\t\treturn vnode._parent\n\t\t\t? getDomSibling(vnode._parent, vnode._parent._children.indexOf(vnode) + 1)\n\t\t\t: null;\n\t}\n\n\tlet sibling;\n\tfor (; childIndex < vnode._children.length; childIndex++) {\n\t\tsibling = vnode._children[childIndex];\n\n\t\tif (sibling != null && sibling._dom != null) {\n\t\t\t// Since updateParentDomPointers keeps _dom pointer correct,\n\t\t\t// we can rely on _dom to tell us if this subtree contains a\n\t\t\t// rendered DOM node, and what the first rendered DOM node is\n\t\t\treturn sibling._dom;\n\t\t}\n\t}\n\n\t// If we get here, we have not found a DOM node in this vnode's children.\n\t// We must resume from this vnode's sibling (in it's parent _children array)\n\t// Only climb up and search the parent if we aren't searching through a DOM\n\t// VNode (meaning we reached the DOM parent of the original vnode that began\n\t// the search)\n\treturn typeof vnode.type == 'function' ? getDomSibling(vnode) : null;\n}\n\n/**\n * Trigger in-place re-rendering of a component.\n * @param {import('./internal').Component} component The component to rerender\n */\nfunction renderComponent(component) {\n\tlet vnode = component._vnode,\n\t\toldDom = vnode._dom,\n\t\tparentDom = component._parentDom;\n\n\tif (parentDom) {\n\t\tlet commitQueue = [];\n\t\tconst oldVNode = assign({}, vnode);\n\t\toldVNode._original = vnode._original + 1;\n\n\t\tdiff(\n\t\t\tparentDom,\n\t\t\tvnode,\n\t\t\toldVNode,\n\t\t\tcomponent._globalContext,\n\t\t\tparentDom.ownerSVGElement !== undefined,\n\t\t\tvnode._hydrating != null ? [oldDom] : null,\n\t\t\tcommitQueue,\n\t\t\toldDom == null ? getDomSibling(vnode) : oldDom,\n\t\t\tvnode._hydrating\n\t\t);\n\t\tcommitRoot(commitQueue, vnode);\n\n\t\tif (vnode._dom != oldDom) {\n\t\t\tupdateParentDomPointers(vnode);\n\t\t}\n\t}\n}\n\n/**\n * @param {import('./internal').VNode} vnode\n */\nfunction updateParentDomPointers(vnode) {\n\tif ((vnode = vnode._parent) != null && vnode._component != null) {\n\t\tvnode._dom = vnode._component.base = null;\n\t\tfor (let i = 0; i < vnode._children.length; i++) {\n\t\t\tlet child = vnode._children[i];\n\t\t\tif (child != null && child._dom != null) {\n\t\t\t\tvnode._dom = vnode._component.base = child._dom;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\n\t\treturn updateParentDomPointers(vnode);\n\t}\n}\n\n/**\n * The render queue\n * @type {Array}\n */\nlet rerenderQueue = [];\n\n/**\n * Asynchronously schedule a callback\n * @type {(cb: () => void) => void}\n */\n/* istanbul ignore next */\n// Note the following line isn't tree-shaken by rollup cuz of rollup/rollup#2566\nconst defer =\n\ttypeof Promise == 'function'\n\t\t? Promise.prototype.then.bind(Promise.resolve())\n\t\t: setTimeout;\n\n/*\n * The value of `Component.debounce` must asynchronously invoke the passed in callback. It is\n * important that contributors to Preact can consistently reason about what calls to `setState`, etc.\n * do, and when their effects will be applied. See the links below for some further reading on designing\n * asynchronous APIs.\n * * [Designing APIs for Asynchrony](https://blog.izs.me/2013/08/designing-apis-for-asynchrony)\n * * [Callbacks synchronous and asynchronous](https://blog.ometer.com/2011/07/24/callbacks-synchronous-and-asynchronous/)\n */\n\nlet prevDebounce;\n\n/**\n * Enqueue a rerender of a component\n * @param {import('./internal').Component} c The component to rerender\n */\nexport function enqueueRender(c) {\n\tif (\n\t\t(!c._dirty &&\n\t\t\t(c._dirty = true) &&\n\t\t\trerenderQueue.push(c) &&\n\t\t\t!process._rerenderCount++) ||\n\t\tprevDebounce !== options.debounceRendering\n\t) {\n\t\tprevDebounce = options.debounceRendering;\n\t\t(prevDebounce || defer)(process);\n\t}\n}\n\n/** Flush the render queue by rerendering all queued components */\nfunction process() {\n\tlet queue;\n\twhile ((process._rerenderCount = rerenderQueue.length)) {\n\t\tqueue = rerenderQueue.sort((a, b) => a._vnode._depth - b._vnode._depth);\n\t\trerenderQueue = [];\n\t\t// Don't update `renderCount` yet. Keep its value non-zero to prevent unnecessary\n\t\t// process() calls from getting scheduled while `queue` is still being consumed.\n\t\tqueue.some(c => {\n\t\t\tif (c._dirty) renderComponent(c);\n\t\t});\n\t}\n}\nprocess._rerenderCount = 0;\n","import { diff, unmount, applyRef } from './index';\nimport { createVNode, Fragment } from '../create-element';\nimport { EMPTY_OBJ, EMPTY_ARR } from '../constants';\nimport { getDomSibling } from '../component';\n\n/**\n * Diff the children of a virtual node\n * @param {import('../internal').PreactElement} parentDom The DOM element whose\n * children are being diffed\n * @param {import('../internal').ComponentChildren[]} renderResult\n * @param {import('../internal').VNode} newParentVNode The new virtual\n * node whose children should be diff'ed against oldParentVNode\n * @param {import('../internal').VNode} oldParentVNode The old virtual\n * node whose children should be diff'ed against newParentVNode\n * @param {object} globalContext The current context object - modified by getChildContext\n * @param {boolean} isSvg Whether or not this DOM node is an SVG node\n * @param {Array} excessDomChildren\n * @param {Array} commitQueue List of components\n * which have callbacks to invoke in commitRoot\n * @param {import('../internal').PreactElement} oldDom The current attached DOM\n * element any new dom elements should be placed around. Likely `null` on first\n * render (except when hydrating). Can be a sibling DOM element when diffing\n * Fragments that have siblings. In most cases, it starts out as `oldChildren[0]._dom`.\n * @param {boolean} isHydrating Whether or not we are in hydration\n */\nexport function diffChildren(\n\tparentDom,\n\trenderResult,\n\tnewParentVNode,\n\toldParentVNode,\n\tglobalContext,\n\tisSvg,\n\texcessDomChildren,\n\tcommitQueue,\n\toldDom,\n\tisHydrating\n) {\n\tlet i, j, oldVNode, childVNode, newDom, firstChildDom, refs;\n\n\t// This is a compression of oldParentVNode!=null && oldParentVNode != EMPTY_OBJ && oldParentVNode._children || EMPTY_ARR\n\t// as EMPTY_OBJ._children should be `undefined`.\n\tlet oldChildren = (oldParentVNode && oldParentVNode._children) || EMPTY_ARR;\n\n\tlet oldChildrenLength = oldChildren.length;\n\n\tnewParentVNode._children = [];\n\tfor (i = 0; i < renderResult.length; i++) {\n\t\tchildVNode = renderResult[i];\n\n\t\tif (childVNode == null || typeof childVNode == 'boolean') {\n\t\t\tchildVNode = newParentVNode._children[i] = null;\n\t\t}\n\t\t// If this newVNode is being reused (e.g.
{reuse}{reuse}
) in the same diff,\n\t\t// or we are rendering a component (e.g. setState) copy the oldVNodes so it can have\n\t\t// it's own DOM & etc. pointers\n\t\telse if (typeof childVNode == 'string' || typeof childVNode == 'number') {\n\t\t\tchildVNode = newParentVNode._children[i] = createVNode(\n\t\t\t\tnull,\n\t\t\t\tchildVNode,\n\t\t\t\tnull,\n\t\t\t\tnull,\n\t\t\t\tchildVNode\n\t\t\t);\n\t\t} else if (Array.isArray(childVNode)) {\n\t\t\tchildVNode = newParentVNode._children[i] = createVNode(\n\t\t\t\tFragment,\n\t\t\t\t{ children: childVNode },\n\t\t\t\tnull,\n\t\t\t\tnull,\n\t\t\t\tnull\n\t\t\t);\n\t\t} else if (childVNode._depth > 0) {\n\t\t\t// VNode is already in use, clone it. This can happen in the following\n\t\t\t// scenario:\n\t\t\t// const reuse = \n\t\t\t//
{reuse}{reuse}
\n\t\t\tchildVNode = newParentVNode._children[i] = createVNode(\n\t\t\t\tchildVNode.type,\n\t\t\t\tchildVNode.props,\n\t\t\t\tchildVNode.key,\n\t\t\t\tnull,\n\t\t\t\tchildVNode._original\n\t\t\t);\n\t\t} else {\n\t\t\tchildVNode = newParentVNode._children[i] = childVNode;\n\t\t}\n\n\t\t// Terser removes the `continue` here and wraps the loop body\n\t\t// in a `if (childVNode) { ... } condition\n\t\tif (childVNode == null) {\n\t\t\tcontinue;\n\t\t}\n\n\t\tchildVNode._parent = newParentVNode;\n\t\tchildVNode._depth = newParentVNode._depth + 1;\n\n\t\t// Check if we find a corresponding element in oldChildren.\n\t\t// If found, delete the array item by setting to `undefined`.\n\t\t// We use `undefined`, as `null` is reserved for empty placeholders\n\t\t// (holes).\n\t\toldVNode = oldChildren[i];\n\n\t\tif (\n\t\t\toldVNode === null ||\n\t\t\t(oldVNode &&\n\t\t\t\tchildVNode.key == oldVNode.key &&\n\t\t\t\tchildVNode.type === oldVNode.type)\n\t\t) {\n\t\t\toldChildren[i] = undefined;\n\t\t} else {\n\t\t\t// Either oldVNode === undefined or oldChildrenLength > 0,\n\t\t\t// so after this loop oldVNode == null or oldVNode is a valid value.\n\t\t\tfor (j = 0; j < oldChildrenLength; j++) {\n\t\t\t\toldVNode = oldChildren[j];\n\t\t\t\t// If childVNode is unkeyed, we only match similarly unkeyed nodes, otherwise we match by key.\n\t\t\t\t// We always match by type (in either case).\n\t\t\t\tif (\n\t\t\t\t\toldVNode &&\n\t\t\t\t\tchildVNode.key == oldVNode.key &&\n\t\t\t\t\tchildVNode.type === oldVNode.type\n\t\t\t\t) {\n\t\t\t\t\toldChildren[j] = undefined;\n\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t\toldVNode = null;\n\t\t\t}\n\t\t}\n\n\t\toldVNode = oldVNode || EMPTY_OBJ;\n\n\t\t// Morph the old element into the new one, but don't append it to the dom yet\n\t\tdiff(\n\t\t\tparentDom,\n\t\t\tchildVNode,\n\t\t\toldVNode,\n\t\t\tglobalContext,\n\t\t\tisSvg,\n\t\t\texcessDomChildren,\n\t\t\tcommitQueue,\n\t\t\toldDom,\n\t\t\tisHydrating\n\t\t);\n\n\t\tnewDom = childVNode._dom;\n\n\t\tif ((j = childVNode.ref) && oldVNode.ref != j) {\n\t\t\tif (!refs) refs = [];\n\t\t\tif (oldVNode.ref) refs.push(oldVNode.ref, null, childVNode);\n\t\t\trefs.push(j, childVNode._component || newDom, childVNode);\n\t\t}\n\n\t\tif (newDom != null) {\n\t\t\tif (firstChildDom == null) {\n\t\t\t\tfirstChildDom = newDom;\n\t\t\t}\n\n\t\t\tif (\n\t\t\t\ttypeof childVNode.type == 'function' &&\n\t\t\t\tchildVNode._children != null && // Can be null if childVNode suspended\n\t\t\t\tchildVNode._children === oldVNode._children\n\t\t\t) {\n\t\t\t\tchildVNode._nextDom = oldDom = reorderChildren(\n\t\t\t\t\tchildVNode,\n\t\t\t\t\toldDom,\n\t\t\t\t\tparentDom\n\t\t\t\t);\n\t\t\t} else {\n\t\t\t\toldDom = placeChild(\n\t\t\t\t\tparentDom,\n\t\t\t\t\tchildVNode,\n\t\t\t\t\toldVNode,\n\t\t\t\t\toldChildren,\n\t\t\t\t\tnewDom,\n\t\t\t\t\toldDom\n\t\t\t\t);\n\t\t\t}\n\n\t\t\t// Browsers will infer an option's `value` from `textContent` when\n\t\t\t// no value is present. This essentially bypasses our code to set it\n\t\t\t// later in `diff()`. It works fine in all browsers except for IE11\n\t\t\t// where it breaks setting `select.value`. There it will be always set\n\t\t\t// to an empty string. Re-applying an options value will fix that, so\n\t\t\t// there are probably some internal data structures that aren't\n\t\t\t// updated properly.\n\t\t\t//\n\t\t\t// To fix it we make sure to reset the inferred value, so that our own\n\t\t\t// value check in `diff()` won't be skipped.\n\t\t\tif (!isHydrating && newParentVNode.type === 'option') {\n\t\t\t\t// @ts-ignore We have validated that the type of parentDOM is 'option'\n\t\t\t\t// in the above check\n\t\t\t\tparentDom.value = '';\n\t\t\t} else if (typeof newParentVNode.type == 'function') {\n\t\t\t\t// Because the newParentVNode is Fragment-like, we need to set it's\n\t\t\t\t// _nextDom property to the nextSibling of its last child DOM node.\n\t\t\t\t//\n\t\t\t\t// `oldDom` contains the correct value here because if the last child\n\t\t\t\t// is a Fragment-like, then oldDom has already been set to that child's _nextDom.\n\t\t\t\t// If the last child is a DOM VNode, then oldDom will be set to that DOM\n\t\t\t\t// node's nextSibling.\n\t\t\t\tnewParentVNode._nextDom = oldDom;\n\t\t\t}\n\t\t} else if (\n\t\t\toldDom &&\n\t\t\toldVNode._dom == oldDom &&\n\t\t\toldDom.parentNode != parentDom\n\t\t) {\n\t\t\t// The above condition is to handle null placeholders. See test in placeholder.test.js:\n\t\t\t// `efficiently replace null placeholders in parent rerenders`\n\t\t\toldDom = getDomSibling(oldVNode);\n\t\t}\n\t}\n\n\tnewParentVNode._dom = firstChildDom;\n\n\t// Remove remaining oldChildren if there are any.\n\tfor (i = oldChildrenLength; i--; ) {\n\t\tif (oldChildren[i] != null) {\n\t\t\tif (\n\t\t\t\ttypeof newParentVNode.type == 'function' &&\n\t\t\t\toldChildren[i]._dom != null &&\n\t\t\t\toldChildren[i]._dom == newParentVNode._nextDom\n\t\t\t) {\n\t\t\t\t// If the newParentVNode.__nextDom points to a dom node that is about to\n\t\t\t\t// be unmounted, then get the next sibling of that vnode and set\n\t\t\t\t// _nextDom to it\n\t\t\t\tnewParentVNode._nextDom = getDomSibling(oldParentVNode, i + 1);\n\t\t\t}\n\n\t\t\tunmount(oldChildren[i], oldChildren[i]);\n\t\t}\n\t}\n\n\t// Set refs only after unmount\n\tif (refs) {\n\t\tfor (i = 0; i < refs.length; i++) {\n\t\t\tapplyRef(refs[i], refs[++i], refs[++i]);\n\t\t}\n\t}\n}\n\nfunction reorderChildren(childVNode, oldDom, parentDom) {\n\tfor (let tmp = 0; tmp < childVNode._children.length; tmp++) {\n\t\tlet vnode = childVNode._children[tmp];\n\t\tif (vnode) {\n\t\t\t// We typically enter this code path on sCU bailout, where we copy\n\t\t\t// oldVNode._children to newVNode._children. If that is the case, we need\n\t\t\t// to update the old children's _parent pointer to point to the newVNode\n\t\t\t// (childVNode here).\n\t\t\tvnode._parent = childVNode;\n\n\t\t\tif (typeof vnode.type == 'function') {\n\t\t\t\toldDom = reorderChildren(vnode, oldDom, parentDom);\n\t\t\t} else {\n\t\t\t\toldDom = placeChild(\n\t\t\t\t\tparentDom,\n\t\t\t\t\tvnode,\n\t\t\t\t\tvnode,\n\t\t\t\t\tchildVNode._children,\n\t\t\t\t\tvnode._dom,\n\t\t\t\t\toldDom\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\t}\n\n\treturn oldDom;\n}\n\n/**\n * Flatten and loop through the children of a virtual node\n * @param {import('../index').ComponentChildren} children The unflattened\n * children of a virtual node\n * @returns {import('../internal').VNode[]}\n */\nexport function toChildArray(children, out) {\n\tout = out || [];\n\tif (children == null || typeof children == 'boolean') {\n\t} else if (Array.isArray(children)) {\n\t\tchildren.some(child => {\n\t\t\ttoChildArray(child, out);\n\t\t});\n\t} else {\n\t\tout.push(children);\n\t}\n\treturn out;\n}\n\nfunction placeChild(\n\tparentDom,\n\tchildVNode,\n\toldVNode,\n\toldChildren,\n\tnewDom,\n\toldDom\n) {\n\tlet nextDom;\n\tif (childVNode._nextDom !== undefined) {\n\t\t// Only Fragments or components that return Fragment like VNodes will\n\t\t// have a non-undefined _nextDom. Continue the diff from the sibling\n\t\t// of last DOM child of this child VNode\n\t\tnextDom = childVNode._nextDom;\n\n\t\t// Eagerly cleanup _nextDom. We don't need to persist the value because\n\t\t// it is only used by `diffChildren` to determine where to resume the diff after\n\t\t// diffing Components and Fragments. Once we store it the nextDOM local var, we\n\t\t// can clean up the property\n\t\tchildVNode._nextDom = undefined;\n\t} else if (\n\t\toldVNode == null ||\n\t\tnewDom != oldDom ||\n\t\tnewDom.parentNode == null\n\t) {\n\t\touter: if (oldDom == null || oldDom.parentNode !== parentDom) {\n\t\t\tparentDom.appendChild(newDom);\n\t\t\tnextDom = null;\n\t\t} else {\n\t\t\t// `j href (xlink:href was removed from SVG and isn't needed)\n\t\t\t// - className --> class\n\t\t\tname = name.replace(/xlink[H:h]/, 'h').replace(/sName$/, 's');\n\t\t} else if (\n\t\t\tname !== 'href' &&\n\t\t\tname !== 'list' &&\n\t\t\tname !== 'form' &&\n\t\t\tname !== 'download' &&\n\t\t\tname in dom\n\t\t) {\n\t\t\ttry {\n\t\t\t\tdom[name] = value == null ? '' : value;\n\t\t\t\t// labelled break is 1b smaller here than a return statement (sorry)\n\t\t\t\tbreak o;\n\t\t\t} catch (e) {}\n\t\t}\n\n\t\t// ARIA-attributes have a different notion of boolean values.\n\t\t// The value `false` is different from the attribute not\n\t\t// existing on the DOM, so we can't remove it. For non-boolean\n\t\t// ARIA-attributes we could treat false as a removal, but the\n\t\t// amount of exceptions would cost us too many bytes. On top of\n\t\t// that other VDOM frameworks also always stringify `false`.\n\n\t\tif (typeof value === 'function') {\n\t\t\t// never serialize functions as attribute values\n\t\t} else if (\n\t\t\tvalue != null &&\n\t\t\t(value !== false || (name[0] === 'a' && name[1] === 'r'))\n\t\t) {\n\t\t\tdom.setAttribute(name, value);\n\t\t} else {\n\t\t\tdom.removeAttribute(name);\n\t\t}\n\t}\n}\n\n/**\n * Proxy an event to hooked event handlers\n * @param {Event} e The event object from the browser\n * @private\n */\nfunction eventProxy(e) {\n\tthis._listeners[e.type + false](options.event ? options.event(e) : e);\n}\n\nfunction eventProxyCapture(e) {\n\tthis._listeners[e.type + true](options.event ? options.event(e) : e);\n}\n","import { EMPTY_OBJ, EMPTY_ARR } from '../constants';\nimport { Component } from '../component';\nimport { Fragment } from '../create-element';\nimport { diffChildren } from './children';\nimport { diffProps, setProperty } from './props';\nimport { assign, removeNode } from '../util';\nimport options from '../options';\n\n/**\n * Diff two virtual nodes and apply proper changes to the DOM\n * @param {import('../internal').PreactElement} parentDom The parent of the DOM element\n * @param {import('../internal').VNode} newVNode The new virtual node\n * @param {import('../internal').VNode} oldVNode The old virtual node\n * @param {object} globalContext The current context object. Modified by getChildContext\n * @param {boolean} isSvg Whether or not this element is an SVG node\n * @param {Array} excessDomChildren\n * @param {Array} commitQueue List of components\n * which have callbacks to invoke in commitRoot\n * @param {import('../internal').PreactElement} oldDom The current attached DOM\n * element any new dom elements should be placed around. Likely `null` on first\n * render (except when hydrating). Can be a sibling DOM element when diffing\n * Fragments that have siblings. In most cases, it starts out as `oldChildren[0]._dom`.\n * @param {boolean} [isHydrating] Whether or not we are in hydration\n */\nexport function diff(\n\tparentDom,\n\tnewVNode,\n\toldVNode,\n\tglobalContext,\n\tisSvg,\n\texcessDomChildren,\n\tcommitQueue,\n\toldDom,\n\tisHydrating\n) {\n\tlet tmp,\n\t\tnewType = newVNode.type;\n\n\t// When passing through createElement it assigns the object\n\t// constructor as undefined. This to prevent JSON-injection.\n\tif (newVNode.constructor !== undefined) return null;\n\n\t// If the previous diff bailed out, resume creating/hydrating.\n\tif (oldVNode._hydrating != null) {\n\t\tisHydrating = oldVNode._hydrating;\n\t\toldDom = newVNode._dom = oldVNode._dom;\n\t\t// if we resume, we want the tree to be \"unlocked\"\n\t\tnewVNode._hydrating = null;\n\t\texcessDomChildren = [oldDom];\n\t}\n\n\tif ((tmp = options._diff)) tmp(newVNode);\n\n\ttry {\n\t\touter: if (typeof newType == 'function') {\n\t\t\tlet c, isNew, oldProps, oldState, snapshot, clearProcessingException;\n\t\t\tlet newProps = newVNode.props;\n\n\t\t\t// Necessary for createContext api. Setting this property will pass\n\t\t\t// the context value as `this.context` just for this component.\n\t\t\ttmp = newType.contextType;\n\t\t\tlet provider = tmp && globalContext[tmp._id];\n\t\t\tlet componentContext = tmp\n\t\t\t\t? provider\n\t\t\t\t\t? provider.props.value\n\t\t\t\t\t: tmp._defaultValue\n\t\t\t\t: globalContext;\n\n\t\t\t// Get component and set it to `c`\n\t\t\tif (oldVNode._component) {\n\t\t\t\tc = newVNode._component = oldVNode._component;\n\t\t\t\tclearProcessingException = c._processingException = c._pendingError;\n\t\t\t} else {\n\t\t\t\t// Instantiate the new component\n\t\t\t\tif ('prototype' in newType && newType.prototype.render) {\n\t\t\t\t\t// @ts-ignore The check above verifies that newType is suppose to be constructed\n\t\t\t\t\tnewVNode._component = c = new newType(newProps, componentContext); // eslint-disable-line new-cap\n\t\t\t\t} else {\n\t\t\t\t\t// @ts-ignore Trust me, Component implements the interface we want\n\t\t\t\t\tnewVNode._component = c = new Component(newProps, componentContext);\n\t\t\t\t\tc.constructor = newType;\n\t\t\t\t\tc.render = doRender;\n\t\t\t\t}\n\t\t\t\tif (provider) provider.sub(c);\n\n\t\t\t\tc.props = newProps;\n\t\t\t\tif (!c.state) c.state = {};\n\t\t\t\tc.context = componentContext;\n\t\t\t\tc._globalContext = globalContext;\n\t\t\t\tisNew = c._dirty = true;\n\t\t\t\tc._renderCallbacks = [];\n\t\t\t}\n\n\t\t\t// Invoke getDerivedStateFromProps\n\t\t\tif (c._nextState == null) {\n\t\t\t\tc._nextState = c.state;\n\t\t\t}\n\t\t\tif (newType.getDerivedStateFromProps != null) {\n\t\t\t\tif (c._nextState == c.state) {\n\t\t\t\t\tc._nextState = assign({}, c._nextState);\n\t\t\t\t}\n\n\t\t\t\tassign(\n\t\t\t\t\tc._nextState,\n\t\t\t\t\tnewType.getDerivedStateFromProps(newProps, c._nextState)\n\t\t\t\t);\n\t\t\t}\n\n\t\t\toldProps = c.props;\n\t\t\toldState = c.state;\n\n\t\t\t// Invoke pre-render lifecycle methods\n\t\t\tif (isNew) {\n\t\t\t\tif (\n\t\t\t\t\tnewType.getDerivedStateFromProps == null &&\n\t\t\t\t\tc.componentWillMount != null\n\t\t\t\t) {\n\t\t\t\t\tc.componentWillMount();\n\t\t\t\t}\n\n\t\t\t\tif (c.componentDidMount != null) {\n\t\t\t\t\tc._renderCallbacks.push(c.componentDidMount);\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tif (\n\t\t\t\t\tnewType.getDerivedStateFromProps == null &&\n\t\t\t\t\tnewProps !== oldProps &&\n\t\t\t\t\tc.componentWillReceiveProps != null\n\t\t\t\t) {\n\t\t\t\t\tc.componentWillReceiveProps(newProps, componentContext);\n\t\t\t\t}\n\n\t\t\t\tif (\n\t\t\t\t\t(!c._force &&\n\t\t\t\t\t\tc.shouldComponentUpdate != null &&\n\t\t\t\t\t\tc.shouldComponentUpdate(\n\t\t\t\t\t\t\tnewProps,\n\t\t\t\t\t\t\tc._nextState,\n\t\t\t\t\t\t\tcomponentContext\n\t\t\t\t\t\t) === false) ||\n\t\t\t\t\tnewVNode._original === oldVNode._original\n\t\t\t\t) {\n\t\t\t\t\tc.props = newProps;\n\t\t\t\t\tc.state = c._nextState;\n\t\t\t\t\t// More info about this here: https://gist.github.com/JoviDeCroock/bec5f2ce93544d2e6070ef8e0036e4e8\n\t\t\t\t\tif (newVNode._original !== oldVNode._original) c._dirty = false;\n\t\t\t\t\tc._vnode = newVNode;\n\t\t\t\t\tnewVNode._dom = oldVNode._dom;\n\t\t\t\t\tnewVNode._children = oldVNode._children;\n\t\t\t\t\tif (c._renderCallbacks.length) {\n\t\t\t\t\t\tcommitQueue.push(c);\n\t\t\t\t\t}\n\n\t\t\t\t\tbreak outer;\n\t\t\t\t}\n\n\t\t\t\tif (c.componentWillUpdate != null) {\n\t\t\t\t\tc.componentWillUpdate(newProps, c._nextState, componentContext);\n\t\t\t\t}\n\n\t\t\t\tif (c.componentDidUpdate != null) {\n\t\t\t\t\tc._renderCallbacks.push(() => {\n\t\t\t\t\t\tc.componentDidUpdate(oldProps, oldState, snapshot);\n\t\t\t\t\t});\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tc.context = componentContext;\n\t\t\tc.props = newProps;\n\t\t\tc.state = c._nextState;\n\n\t\t\tif ((tmp = options._render)) tmp(newVNode);\n\n\t\t\tc._dirty = false;\n\t\t\tc._vnode = newVNode;\n\t\t\tc._parentDom = parentDom;\n\n\t\t\ttmp = c.render(c.props, c.state, c.context);\n\n\t\t\t// Handle setState called in render, see #2553\n\t\t\tc.state = c._nextState;\n\n\t\t\tif (c.getChildContext != null) {\n\t\t\t\tglobalContext = assign(assign({}, globalContext), c.getChildContext());\n\t\t\t}\n\n\t\t\tif (!isNew && c.getSnapshotBeforeUpdate != null) {\n\t\t\t\tsnapshot = c.getSnapshotBeforeUpdate(oldProps, oldState);\n\t\t\t}\n\n\t\t\tlet isTopLevelFragment =\n\t\t\t\ttmp != null && tmp.type === Fragment && tmp.key == null;\n\t\t\tlet renderResult = isTopLevelFragment ? tmp.props.children : tmp;\n\n\t\t\tdiffChildren(\n\t\t\t\tparentDom,\n\t\t\t\tArray.isArray(renderResult) ? renderResult : [renderResult],\n\t\t\t\tnewVNode,\n\t\t\t\toldVNode,\n\t\t\t\tglobalContext,\n\t\t\t\tisSvg,\n\t\t\t\texcessDomChildren,\n\t\t\t\tcommitQueue,\n\t\t\t\toldDom,\n\t\t\t\tisHydrating\n\t\t\t);\n\n\t\t\tc.base = newVNode._dom;\n\n\t\t\t// We successfully rendered this VNode, unset any stored hydration/bailout state:\n\t\t\tnewVNode._hydrating = null;\n\n\t\t\tif (c._renderCallbacks.length) {\n\t\t\t\tcommitQueue.push(c);\n\t\t\t}\n\n\t\t\tif (clearProcessingException) {\n\t\t\t\tc._pendingError = c._processingException = null;\n\t\t\t}\n\n\t\t\tc._force = false;\n\t\t} else if (\n\t\t\texcessDomChildren == null &&\n\t\t\tnewVNode._original === oldVNode._original\n\t\t) {\n\t\t\tnewVNode._children = oldVNode._children;\n\t\t\tnewVNode._dom = oldVNode._dom;\n\t\t} else {\n\t\t\tnewVNode._dom = diffElementNodes(\n\t\t\t\toldVNode._dom,\n\t\t\t\tnewVNode,\n\t\t\t\toldVNode,\n\t\t\t\tglobalContext,\n\t\t\t\tisSvg,\n\t\t\t\texcessDomChildren,\n\t\t\t\tcommitQueue,\n\t\t\t\tisHydrating\n\t\t\t);\n\t\t}\n\n\t\tif ((tmp = options.diffed)) tmp(newVNode);\n\t} catch (e) {\n\t\tnewVNode._original = null;\n\t\t// if hydrating or creating initial tree, bailout preserves DOM:\n\t\tif (isHydrating || excessDomChildren != null) {\n\t\t\tnewVNode._dom = oldDom;\n\t\t\tnewVNode._hydrating = !!isHydrating;\n\t\t\texcessDomChildren[excessDomChildren.indexOf(oldDom)] = null;\n\t\t\t// ^ could possibly be simplified to:\n\t\t\t// excessDomChildren.length = 0;\n\t\t}\n\t\toptions._catchError(e, newVNode, oldVNode);\n\t}\n}\n\n/**\n * @param {Array} commitQueue List of components\n * which have callbacks to invoke in commitRoot\n * @param {import('../internal').VNode} root\n */\nexport function commitRoot(commitQueue, root) {\n\tif (options._commit) options._commit(root, commitQueue);\n\n\tcommitQueue.some(c => {\n\t\ttry {\n\t\t\t// @ts-ignore Reuse the commitQueue variable here so the type changes\n\t\t\tcommitQueue = c._renderCallbacks;\n\t\t\tc._renderCallbacks = [];\n\t\t\tcommitQueue.some(cb => {\n\t\t\t\t// @ts-ignore See above ts-ignore on commitQueue\n\t\t\t\tcb.call(c);\n\t\t\t});\n\t\t} catch (e) {\n\t\t\toptions._catchError(e, c._vnode);\n\t\t}\n\t});\n}\n\n/**\n * Diff two virtual nodes representing DOM element\n * @param {import('../internal').PreactElement} dom The DOM element representing\n * the virtual nodes being diffed\n * @param {import('../internal').VNode} newVNode The new virtual node\n * @param {import('../internal').VNode} oldVNode The old virtual node\n * @param {object} globalContext The current context object\n * @param {boolean} isSvg Whether or not this DOM node is an SVG node\n * @param {*} excessDomChildren\n * @param {Array} commitQueue List of components\n * which have callbacks to invoke in commitRoot\n * @param {boolean} isHydrating Whether or not we are in hydration\n * @returns {import('../internal').PreactElement}\n */\nfunction diffElementNodes(\n\tdom,\n\tnewVNode,\n\toldVNode,\n\tglobalContext,\n\tisSvg,\n\texcessDomChildren,\n\tcommitQueue,\n\tisHydrating\n) {\n\tlet oldProps = oldVNode.props;\n\tlet newProps = newVNode.props;\n\tlet nodeType = newVNode.type;\n\tlet i = 0;\n\n\t// Tracks entering and exiting SVG namespace when descending through the tree.\n\tif (nodeType === 'svg') isSvg = true;\n\n\tif (excessDomChildren != null) {\n\t\tfor (; i < excessDomChildren.length; i++) {\n\t\t\tconst child = excessDomChildren[i];\n\n\t\t\t// if newVNode matches an element in excessDomChildren or the `dom`\n\t\t\t// argument matches an element in excessDomChildren, remove it from\n\t\t\t// excessDomChildren so it isn't later removed in diffChildren\n\t\t\tif (\n\t\t\t\tchild &&\n\t\t\t\t(child === dom ||\n\t\t\t\t\t(nodeType ? child.localName == nodeType : child.nodeType == 3))\n\t\t\t) {\n\t\t\t\tdom = child;\n\t\t\t\texcessDomChildren[i] = null;\n\t\t\t\tbreak;\n\t\t\t}\n\t\t}\n\t}\n\n\tif (dom == null) {\n\t\tif (nodeType === null) {\n\t\t\t// @ts-ignore createTextNode returns Text, we expect PreactElement\n\t\t\treturn document.createTextNode(newProps);\n\t\t}\n\n\t\tif (isSvg) {\n\t\t\tdom = document.createElementNS(\n\t\t\t\t'http://www.w3.org/2000/svg',\n\t\t\t\t// @ts-ignore We know `newVNode.type` is a string\n\t\t\t\tnodeType\n\t\t\t);\n\t\t} else {\n\t\t\tdom = document.createElement(\n\t\t\t\t// @ts-ignore We know `newVNode.type` is a string\n\t\t\t\tnodeType,\n\t\t\t\tnewProps.is && newProps\n\t\t\t);\n\t\t}\n\n\t\t// we created a new parent, so none of the previously attached children can be reused:\n\t\texcessDomChildren = null;\n\t\t// we are creating a new node, so we can assume this is a new subtree (in case we are hydrating), this deopts the hydrate\n\t\tisHydrating = false;\n\t}\n\n\tif (nodeType === null) {\n\t\t// During hydration, we still have to split merged text from SSR'd HTML.\n\t\tif (oldProps !== newProps && (!isHydrating || dom.data !== newProps)) {\n\t\t\tdom.data = newProps;\n\t\t}\n\t} else {\n\t\t// If excessDomChildren was not null, repopulate it with the current element's children:\n\t\texcessDomChildren =\n\t\t\texcessDomChildren && EMPTY_ARR.slice.call(dom.childNodes);\n\n\t\toldProps = oldVNode.props || EMPTY_OBJ;\n\n\t\tlet oldHtml = oldProps.dangerouslySetInnerHTML;\n\t\tlet newHtml = newProps.dangerouslySetInnerHTML;\n\n\t\t// During hydration, props are not diffed at all (including dangerouslySetInnerHTML)\n\t\t// @TODO we should warn in debug mode when props don't match here.\n\t\tif (!isHydrating) {\n\t\t\t// But, if we are in a situation where we are using existing DOM (e.g. replaceNode)\n\t\t\t// we should read the existing DOM attributes to diff them\n\t\t\tif (excessDomChildren != null) {\n\t\t\t\toldProps = {};\n\t\t\t\tfor (let i = 0; i < dom.attributes.length; i++) {\n\t\t\t\t\toldProps[dom.attributes[i].name] = dom.attributes[i].value;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (newHtml || oldHtml) {\n\t\t\t\t// Avoid re-applying the same '__html' if it did not changed between re-render\n\t\t\t\tif (\n\t\t\t\t\t!newHtml ||\n\t\t\t\t\t((!oldHtml || newHtml.__html != oldHtml.__html) &&\n\t\t\t\t\t\tnewHtml.__html !== dom.innerHTML)\n\t\t\t\t) {\n\t\t\t\t\tdom.innerHTML = (newHtml && newHtml.__html) || '';\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tdiffProps(dom, newProps, oldProps, isSvg, isHydrating);\n\n\t\t// If the new vnode didn't have dangerouslySetInnerHTML, diff its children\n\t\tif (newHtml) {\n\t\t\tnewVNode._children = [];\n\t\t} else {\n\t\t\ti = newVNode.props.children;\n\t\t\tdiffChildren(\n\t\t\t\tdom,\n\t\t\t\tArray.isArray(i) ? i : [i],\n\t\t\t\tnewVNode,\n\t\t\t\toldVNode,\n\t\t\t\tglobalContext,\n\t\t\t\tisSvg && nodeType !== 'foreignObject',\n\t\t\t\texcessDomChildren,\n\t\t\t\tcommitQueue,\n\t\t\t\tdom.firstChild,\n\t\t\t\tisHydrating\n\t\t\t);\n\n\t\t\t// Remove children that are not part of any vnode.\n\t\t\tif (excessDomChildren != null) {\n\t\t\t\tfor (i = excessDomChildren.length; i--; ) {\n\t\t\t\t\tif (excessDomChildren[i] != null) removeNode(excessDomChildren[i]);\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// (as above, don't diff props during hydration)\n\t\tif (!isHydrating) {\n\t\t\tif (\n\t\t\t\t'value' in newProps &&\n\t\t\t\t(i = newProps.value) !== undefined &&\n\t\t\t\t// #2756 For the