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web-component-stencil-test

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'use strict'; function _interopNamespace(e) { if (e && e.__esModule) { return e; } else { var n = {}; if (e) { Object.keys(e).forEach(function (k) { var d = Object.getOwnPropertyDescriptor(e, k); Object.defineProperty(n, k, d.get ? d : { enumerable: true, get: function () { return e[k]; } }); }); } n['default'] = e; return n; } } const NAMESPACE = 'test'; let queueCongestion = 0; let queuePending = false; let scopeId; let contentRef; let hostTagName; let useNativeShadowDom = false; let checkSlotFallbackVisibility = false; let checkSlotRelocate = false; let isSvgMode = false; const win = window; const doc = document; const plt = { $flags$: 0, $resourcesUrl$: '', jmp: (h) => h(), raf: (h) => requestAnimationFrame(h), ael: (el, eventName, listener, opts) => el.addEventListener(eventName, listener, opts), rel: (el, eventName, listener, opts) => el.removeEventListener(eventName, listener, opts), }; const supportsShadowDom = /*@__PURE__*/ (() => !!doc.documentElement.attachShadow)() ; const supportsConstructibleStylesheets = /*@__PURE__*/ (() => { try { new CSSStyleSheet(); return true; } catch (e) { } return false; })() ; const hostRefs = new WeakMap(); const getHostRef = (ref) => hostRefs.get(ref); const registerInstance = (lazyInstance, hostRef) => hostRefs.set(hostRef.$lazyInstance$ = lazyInstance, hostRef); const registerHost = (elm) => { { const hostRef = { $flags$: 0, $hostElement$: elm, $instanceValues$: new Map() }; hostRef.$onReadyPromise$ = new Promise(r => hostRef.$onReadyResolve$ = r); return hostRefs.set(elm, hostRef); } }; const isMemberInElement = (elm, memberName) => memberName in elm; const consoleError = (e) => console.error(e); const moduleCache = /*@__PURE__*/ new Map(); const loadModule = (cmpMeta, hostRef, hmrVersionId) => { // loadModuleImport const exportName = cmpMeta.$tagName$.replace(/-/g, '_'); const bundleId = ( cmpMeta.$lazyBundleIds$); const module = moduleCache.get(bundleId) ; if (module) { return module[exportName]; } return new Promise(function (resolve) { resolve(_interopNamespace(require( /* webpackInclude: /\.entry\.js$/ */ /* webpackExclude: /\.system\.entry\.js$/ */ /* webpackMode: "lazy" */ `./${bundleId}.entry.js${ ''}`))); }).then(importedModule => { { moduleCache.set(bundleId, importedModule); } return importedModule[exportName]; }, consoleError); }; const styles = new Map(); const queueDomReads = []; const queueDomWrites = []; const queueDomWritesLow = []; const queueTask = (queue, write) => (cb) => { queue.push(cb); if (!queuePending) { queuePending = true; if (write && plt.$flags$ & 4 /* queueSync */) { nextTick(flush); } else { plt.raf(flush); } } }; const consume = (queue) => { for (let i = 0; i < queue.length; i++) { try { queue[i](performance.now()); } catch (e) { consoleError(e); } } queue.length = 0; }; const consumeTimeout = (queue, timeout) => { let i = 0; let ts = 0; while (i < queue.length && (ts = performance.now()) < timeout) { try { queue[i++](ts); } catch (e) { consoleError(e); } } if (i === queue.length) { queue.length = 0; } else if (i !== 0) { queue.splice(0, i); } }; const flush = () => { queueCongestion++; // always force a bunch of medium callbacks to run, but still have // a throttle on how many can run in a certain time // DOM READS!!! consume(queueDomReads); const timeout = (plt.$flags$ & 6 /* queueMask */) === 2 /* appLoaded */ ? performance.now() + (10 * Math.ceil(queueCongestion * (1.0 / 22.0))) : Infinity; // DOM WRITES!!! consumeTimeout(queueDomWrites, timeout); consumeTimeout(queueDomWritesLow, timeout); if (queueDomWrites.length > 0) { queueDomWritesLow.push(...queueDomWrites); queueDomWrites.length = 0; } if (queuePending = ((queueDomReads.length + queueDomWrites.length + queueDomWritesLow.length) > 0)) { // still more to do yet, but we've run out of time // let's let this thing cool off and try again in the next tick plt.raf(flush); } else { queueCongestion = 0; } }; const nextTick = /*@__PURE__*/ (cb) => Promise.resolve().then(cb); const writeTask = /*@__PURE__*/ queueTask(queueDomWrites, true); /** * Default style mode id */ /** * Reusable empty obj/array * Don't add values to these!! */ const EMPTY_OBJ = {}; const isDef = (v) => v != null; const isComplexType = (o) => { // https://jsperf.com/typeof-fn-object/5 o = typeof o; return o === 'object' || o === 'function'; }; const getDynamicImportFunction = (namespace) => { return `__sc_import_${namespace.replace(/\s|-/g, '_')}`; }; const patchEsm = () => { // @ts-ignore if ( !(win.CSS && win.CSS.supports && win.CSS.supports('color', 'var(--c)'))) { // @ts-ignore return new Promise(function (resolve) { resolve(require('./css-shim-206ea950-fb470f74.js')); }).then(() => { plt.$cssShim$ = win.__stencil_cssshim; if (plt.$cssShim$) { return plt.$cssShim$.initShim(); } }); } return Promise.resolve(); }; const patchBrowser = async () => { { plt.$cssShim$ = win.__stencil_cssshim; } // @ts-ignore const importMeta = (typeof document === 'undefined' ? new (require('u' + 'rl').URL)('file:' + __filename).href : (document.currentScript && document.currentScript.src || new URL('core-deb059fa.js', document.baseURI).href)); const regex = new RegExp(`\/${NAMESPACE}(\\.esm)?\\.js($|\\?|#)`); const scriptElm = Array.from(doc.querySelectorAll('script')).find(s => (regex.test(s.src) || s.getAttribute('data-stencil-namespace') === NAMESPACE)); const opts = scriptElm['data-opts']; if (importMeta !== '') { return Object.assign(Object.assign({}, opts), { resourcesUrl: new URL('.', importMeta).href }); } else { const resourcesUrl = new URL('.', new URL(scriptElm.getAttribute('data-resources-url') || scriptElm.src, win.location.href)); patchDynamicImport(resourcesUrl.href); if (!window.customElements) { // @ts-ignore await new Promise(function (resolve) { resolve(require('./dom-96781eef-e2cadb44.js')); }); } return Object.assign(Object.assign({}, opts), { resourcesUrl: resourcesUrl.href }); } }; const patchDynamicImport = (base) => { const importFunctionName = getDynamicImportFunction(NAMESPACE); try { // There is a caching issue in V8, that breaks using import() in Function // By generating a random string, we can workaround it // Check https://bugs.chromium.org/p/v8/issues/detail?id=9558 for more info win[importFunctionName] = new Function('w', `return import(w);//${Math.random()}`); } catch (e) { const moduleMap = new Map(); win[importFunctionName] = (src) => { const url = new URL(src, base).href; let mod = moduleMap.get(url); if (!mod) { const script = doc.createElement('script'); script.type = 'module'; script.src = URL.createObjectURL(new Blob([`import * as m from '${url}'; window.${importFunctionName}.m = m;`], { type: 'application/javascript' })); mod = new Promise(resolve => { script.onload = () => { resolve(win[importFunctionName].m); script.remove(); }; }); moduleMap.set(url, mod); doc.head.appendChild(script); } return mod; }; } }; const parsePropertyValue = (propValue, propType) => { // ensure this value is of the correct prop type if (propValue != null && !isComplexType(propValue)) { if ( propType & 4 /* Boolean */) { // per the HTML spec, any string value means it is a boolean true value // but we'll cheat here and say that the string "false" is the boolean false return (propValue === 'false' ? false : propValue === '' || !!propValue); } if ( propType & 1 /* String */) { // could have been passed as a number or boolean // but we still want it as a string return String(propValue); } // redundant return here for better minification return propValue; } // not sure exactly what type we want // so no need to change to a different type return propValue; }; const HYDRATED_CLASS = 'hydrated'; const rootAppliedStyles = new WeakMap(); const registerStyle = (scopeId, cssText, allowCS) => { let style = styles.get(scopeId); if (supportsConstructibleStylesheets && allowCS) { style = (style || new CSSStyleSheet()); style.replace(cssText); } else { style = cssText; } styles.set(scopeId, style); }; const addStyle = (styleContainerNode, cmpMeta, mode, hostElm) => { let scopeId = getScopeId(cmpMeta.$tagName$); let style = styles.get(scopeId); // if an element is NOT connected then getRootNode() will return the wrong root node // so the fallback is to always use the document for the root node in those cases styleContainerNode = (styleContainerNode.nodeType === 11 /* DocumentFragment */ ? styleContainerNode : doc); if (style) { if (typeof style === 'string') { styleContainerNode = styleContainerNode.head || styleContainerNode; let appliedStyles = rootAppliedStyles.get(styleContainerNode); let styleElm; if (!appliedStyles) { rootAppliedStyles.set(styleContainerNode, appliedStyles = new Set()); } if (!appliedStyles.has(scopeId)) { { if ( plt.$cssShim$) { styleElm = plt.$cssShim$.createHostStyle(hostElm, scopeId, style, !!(cmpMeta.$flags$ & 10 /* needsScopedEncapsulation */)); const newScopeId = styleElm['s-sc']; if (newScopeId) { scopeId = newScopeId; // we don't want to add this styleID to the appliedStyles Set // since the cssVarShim might need to apply several different // stylesheets for the same component appliedStyles = null; } } else { styleElm = doc.createElement('style'); styleElm.setAttribute('data-styles', ''); styleElm.innerHTML = style; } styleContainerNode.insertBefore(styleElm, styleContainerNode.querySelector('link')); } if (appliedStyles) { appliedStyles.add(scopeId); } } } else if ( !styleContainerNode.adoptedStyleSheets.includes(style)) { styleContainerNode.adoptedStyleSheets = [ ...styleContainerNode.adoptedStyleSheets, style ]; } } return scopeId; }; const attachStyles = (elm, cmpMeta, mode) => { const scopeId = addStyle(( supportsShadowDom && elm.shadowRoot) ? elm.shadowRoot : elm.getRootNode(), cmpMeta, mode, elm); if ( cmpMeta.$flags$ & 10 /* needsScopedEncapsulation */) { // only required when we're NOT using native shadow dom (slot) // or this browser doesn't support native shadow dom // and this host element was NOT created with SSR // let's pick out the inner content for slot projection // create a node to represent where the original // content was first placed, which is useful later on // DOM WRITE!! elm['s-sc'] = scopeId; elm.classList.add(scopeId + '-h'); } }; const getScopeId = (tagName, mode) => 'sc-' + ( tagName); /** * Production h() function based on Preact by * Jason Miller (@developit) * Licensed under the MIT License * https://github.com/developit/preact/blob/master/LICENSE * * Modified for Stencil's compiler and vdom */ // const stack: any[] = []; // export function h(nodeName: string | d.FunctionalComponent, vnodeData: d.PropsType, child?: d.ChildType): d.VNode; // export function h(nodeName: string | d.FunctionalComponent, vnodeData: d.PropsType, ...children: d.ChildType[]): d.VNode; const h = (nodeName, vnodeData, ...children) => { let child = null; let simple = false; let lastSimple = false; let slotName; let vNodeChildren = []; const walk = (c) => { for (let i = 0; i < c.length; i++) { child = c[i]; if (Array.isArray(child)) { walk(child); } else if (child != null && typeof child !== 'boolean') { if (simple = typeof nodeName !== 'function' && !isComplexType(child)) { child = String(child); } if (simple && lastSimple) { // If the previous child was simple (string), we merge both vNodeChildren[vNodeChildren.length - 1].$text$ += child; } else { // Append a new vNode, if it's text, we create a text vNode vNodeChildren.push(simple ? { $flags$: 0, $text$: child } : child); } lastSimple = simple; } } }; walk(children); if ( vnodeData) { { slotName = vnodeData.name; } { const classData = vnodeData.className || vnodeData.class; if (classData) { vnodeData.class = typeof classData !== 'object' ? classData : Object.keys(classData) .filter(k => classData[k]) .join(' '); } } } const vnode = { $flags$: 0, $tag$: nodeName, $children$: vNodeChildren.length > 0 ? vNodeChildren : null, $elm$: undefined, $attrs$: vnodeData, }; { vnode.$name$ = slotName; } return vnode; }; const Host = {}; const isHost = (node) => { return node && node.$tag$ === Host; }; /** * Production setAccessor() function based on Preact by * Jason Miller (@developit) * Licensed under the MIT License * https://github.com/developit/preact/blob/master/LICENSE * * Modified for Stencil's compiler and vdom */ const setAccessor = (elm, memberName, oldValue, newValue, isSvg, flags) => { if (oldValue === newValue) { return; } let isProp = isMemberInElement(elm, memberName); let ln = memberName.toLowerCase(); if ( memberName === 'class') { const classList = elm.classList; parseClassList(oldValue).forEach(cls => classList.remove(cls)); parseClassList(newValue).forEach(cls => classList.add(cls)); } else if ( !isProp && memberName[0] === 'o' && memberName[1] === 'n') { // Event Handlers // so if the member name starts with "on" and the 3rd characters is // a capital letter, and it's not already a member on the element, // then we're assuming it's an event listener if (memberName[2] === '-') { // on- prefixed events // allows to be explicit about the dom event to listen without any magic // under the hood: // <my-cmp on-click> // listens for "click" // <my-cmp on-Click> // listens for "Click" // <my-cmp on-ionChange> // listens for "ionChange" // <my-cmp on-EVENTS> // listens for "EVENTS" memberName = memberName.substr(3); } else if (isMemberInElement(elm, ln)) { // standard event // the JSX attribute could have been "onMouseOver" and the // member name "onmouseover" is on the element's prototype // so let's add the listener "mouseover", which is all lowercased memberName = ln.substr(2); } else { // custom event // the JSX attribute could have been "onMyCustomEvent" // so let's trim off the "on" prefix and lowercase the first character // and add the listener "myCustomEvent" // except for the first character, we keep the event name case memberName = ln[2] + memberName.substr(3); } if (oldValue) { plt.rel(elm, memberName, oldValue, false); } if (newValue) { plt.ael(elm, memberName, newValue, false); } } else { // Set property if it exists and it's not a SVG const isComplex = isComplexType(newValue); if ((isProp || (isComplex && newValue !== null)) && !isSvg) { try { if (!elm.tagName.includes('-')) { let n = newValue == null ? '' : newValue; // Workaround for Safari, moving the <input> caret when re-assigning the same valued // tslint:disable-next-line: triple-equals if (oldValue == null || elm[memberName] != n) { elm[memberName] = n; } } else { elm[memberName] = newValue; } } catch (e) { } } if (newValue == null || newValue === false) { { elm.removeAttribute(memberName); } } else if ((!isProp || (flags & 4 /* isHost */) || isSvg) && !isComplex) { newValue = newValue === true ? '' : newValue; { elm.setAttribute(memberName, newValue); } } } }; const parseClassList = (value) => (!value) ? [] : value.split(/\s+/).filter(c => c); const updateElement = (oldVnode, newVnode, isSvgMode, memberName) => { // if the element passed in is a shadow root, which is a document fragment // then we want to be adding attrs/props to the shadow root's "host" element // if it's not a shadow root, then we add attrs/props to the same element const elm = (newVnode.$elm$.nodeType === 11 /* DocumentFragment */ && newVnode.$elm$.host) ? newVnode.$elm$.host : newVnode.$elm$; const oldVnodeAttrs = (oldVnode && oldVnode.$attrs$) || EMPTY_OBJ; const newVnodeAttrs = newVnode.$attrs$ || EMPTY_OBJ; { // remove attributes no longer present on the vnode by setting them to undefined for (memberName in oldVnodeAttrs) { if (!(memberName in newVnodeAttrs)) { setAccessor(elm, memberName, oldVnodeAttrs[memberName], undefined, isSvgMode, newVnode.$flags$); } } } // add new & update changed attributes for (memberName in newVnodeAttrs) { setAccessor(elm, memberName, oldVnodeAttrs[memberName], newVnodeAttrs[memberName], isSvgMode, newVnode.$flags$); } }; const createElm = (oldParentVNode, newParentVNode, childIndex, parentElm) => { // tslint:disable-next-line: prefer-const let newVNode = newParentVNode.$children$[childIndex]; let i = 0; let elm; let childNode; let oldVNode; if ( !useNativeShadowDom) { // remember for later we need to check to relocate nodes checkSlotRelocate = true; if (newVNode.$tag$ === 'slot') { if (scopeId) { // scoped css needs to add its scoped id to the parent element parentElm.classList.add(scopeId + '-s'); } if (!newVNode.$children$) { // slot element does not have fallback content // create an html comment we'll use to always reference // where actual slot content should sit next to newVNode.$flags$ |= 1 /* isSlotReference */; } else { // slot element has fallback content // still create an element that "mocks" the slot element newVNode.$flags$ |= 2 /* isSlotFallback */; } } } if (isDef(newVNode.$text$)) { // create text node newVNode.$elm$ = doc.createTextNode(newVNode.$text$); } else if ( newVNode.$flags$ & 1 /* isSlotReference */) { // create a slot reference node newVNode.$elm$ = doc.createTextNode(''); } else { // create element elm = newVNode.$elm$ = ( doc.createElement(( newVNode.$flags$ & 2 /* isSlotFallback */) ? 'slot-fb' : newVNode.$tag$)); // add css classes, attrs, props, listeners, etc. { updateElement(null, newVNode, isSvgMode); } if ( isDef(scopeId) && elm['s-si'] !== scopeId) { // if there is a scopeId and this is the initial render // then let's add the scopeId as a css class elm.classList.add((elm['s-si'] = scopeId)); } if (newVNode.$children$) { for (i = 0; i < newVNode.$children$.length; ++i) { // create the node childNode = createElm(oldParentVNode, newVNode, i, elm); // return node could have been null if (childNode) { // append our new node elm.appendChild(childNode); } } } } { newVNode.$elm$['s-hn'] = hostTagName; if (newVNode.$flags$ & (2 /* isSlotFallback */ | 1 /* isSlotReference */)) { // remember the content reference comment newVNode.$elm$['s-sr'] = true; // remember the content reference comment newVNode.$elm$['s-cr'] = contentRef; // remember the slot name, or empty string for default slot newVNode.$elm$['s-sn'] = newVNode.$name$ || ''; // check if we've got an old vnode for this slot oldVNode = oldParentVNode && oldParentVNode.$children$ && oldParentVNode.$children$[childIndex]; if (oldVNode && oldVNode.$tag$ === newVNode.$tag$ && oldParentVNode.$elm$) { // we've got an old slot vnode and the wrapper is being replaced // so let's move the old slot content back to it's original location putBackInOriginalLocation(oldParentVNode.$elm$, false); } } } return newVNode.$elm$; }; const putBackInOriginalLocation = (parentElm, recursive) => { plt.$flags$ |= 1 /* isTmpDisconnected */; const oldSlotChildNodes = parentElm.childNodes; for (let i = oldSlotChildNodes.length - 1; i >= 0; i--) { const childNode = oldSlotChildNodes[i]; if (childNode['s-hn'] !== hostTagName && childNode['s-ol']) { // // this child node in the old element is from another component // // remove this node from the old slot's parent // childNode.remove(); // and relocate it back to it's original location parentReferenceNode(childNode).insertBefore(childNode, referenceNode(childNode)); // remove the old original location comment entirely // later on the patch function will know what to do // and move this to the correct spot in need be childNode['s-ol'].remove(); childNode['s-ol'] = undefined; checkSlotRelocate = true; } if (recursive) { putBackInOriginalLocation(childNode, recursive); } } plt.$flags$ &= ~1 /* isTmpDisconnected */; }; const addVnodes = (parentElm, before, parentVNode, vnodes, startIdx, endIdx) => { let containerElm = (( parentElm['s-cr'] && parentElm['s-cr'].parentNode) || parentElm); let childNode; if ( containerElm.shadowRoot && containerElm.tagName === hostTagName) { containerElm = containerElm.shadowRoot; } for (; startIdx <= endIdx; ++startIdx) { if (vnodes[startIdx]) { childNode = createElm(null, parentVNode, startIdx, parentElm); if (childNode) { vnodes[startIdx].$elm$ = childNode; containerElm.insertBefore(childNode, referenceNode(before) ); } } } }; const removeVnodes = (vnodes, startIdx, endIdx, elm) => { for (; startIdx <= endIdx; ++startIdx) { if (isDef(vnodes[startIdx])) { elm = vnodes[startIdx].$elm$; { // we're removing this element // so it's possible we need to show slot fallback content now checkSlotFallbackVisibility = true; if (elm['s-ol']) { // remove the original location comment elm['s-ol'].remove(); } else { // it's possible that child nodes of the node // that's being removed are slot nodes putBackInOriginalLocation(elm, true); } } // remove the vnode's element from the dom elm.remove(); } } }; const updateChildren = (parentElm, oldCh, newVNode, newCh) => { let oldStartIdx = 0; let newStartIdx = 0; let oldEndIdx = oldCh.length - 1; let oldStartVnode = oldCh[0]; let oldEndVnode = oldCh[oldEndIdx]; let newEndIdx = newCh.length - 1; let newStartVnode = newCh[0]; let newEndVnode = newCh[newEndIdx]; let node; while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) { if (oldStartVnode == null) { // Vnode might have been moved left oldStartVnode = oldCh[++oldStartIdx]; } else if (oldEndVnode == null) { oldEndVnode = oldCh[--oldEndIdx]; } else if (newStartVnode == null) { newStartVnode = newCh[++newStartIdx]; } else if (newEndVnode == null) { newEndVnode = newCh[--newEndIdx]; } else if (isSameVnode(oldStartVnode, newStartVnode)) { patch(oldStartVnode, newStartVnode); oldStartVnode = oldCh[++oldStartIdx]; newStartVnode = newCh[++newStartIdx]; } else if (isSameVnode(oldEndVnode, newEndVnode)) { patch(oldEndVnode, newEndVnode); oldEndVnode = oldCh[--oldEndIdx]; newEndVnode = newCh[--newEndIdx]; } else if (isSameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right if ( (oldStartVnode.$tag$ === 'slot' || newEndVnode.$tag$ === 'slot')) { putBackInOriginalLocation(oldStartVnode.$elm$.parentNode, false); } patch(oldStartVnode, newEndVnode); parentElm.insertBefore(oldStartVnode.$elm$, oldEndVnode.$elm$.nextSibling); oldStartVnode = oldCh[++oldStartIdx]; newEndVnode = newCh[--newEndIdx]; } else if (isSameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left if ( (oldStartVnode.$tag$ === 'slot' || newEndVnode.$tag$ === 'slot')) { putBackInOriginalLocation(oldEndVnode.$elm$.parentNode, false); } patch(oldEndVnode, newStartVnode); parentElm.insertBefore(oldEndVnode.$elm$, oldStartVnode.$elm$); oldEndVnode = oldCh[--oldEndIdx]; newStartVnode = newCh[++newStartIdx]; } else { { // new element node = createElm(oldCh && oldCh[newStartIdx], newVNode, newStartIdx, parentElm); newStartVnode = newCh[++newStartIdx]; } if (node) { { parentReferenceNode(oldStartVnode.$elm$).insertBefore(node, referenceNode(oldStartVnode.$elm$)); } } } } if (oldStartIdx > oldEndIdx) { addVnodes(parentElm, (newCh[newEndIdx + 1] == null ? null : newCh[newEndIdx + 1].$elm$), newVNode, newCh, newStartIdx, newEndIdx); } else if ( newStartIdx > newEndIdx) { removeVnodes(oldCh, oldStartIdx, oldEndIdx); } }; const isSameVnode = (vnode1, vnode2) => { // compare if two vnode to see if they're "technically" the same // need to have the same element tag, and same key to be the same if (vnode1.$tag$ === vnode2.$tag$) { if ( vnode1.$tag$ === 'slot') { return vnode1.$name$ === vnode2.$name$; } return true; } return false; }; const referenceNode = (node) => { // this node was relocated to a new location in the dom // because of some other component's slot // but we still have an html comment in place of where // it's original location was according to it's original vdom return (node && node['s-ol']) || node; }; const parentReferenceNode = (node) => (node['s-ol'] ? node['s-ol'] : node).parentNode; const patch = (oldVNode, newVNode) => { const elm = newVNode.$elm$ = oldVNode.$elm$; const oldChildren = oldVNode.$children$; const newChildren = newVNode.$children$; let defaultHolder; if (!isDef(newVNode.$text$)) { // element node { if ( newVNode.$tag$ === 'slot') ; else { // either this is the first render of an element OR it's an update // AND we already know it's possible it could have changed // this updates the element's css classes, attrs, props, listeners, etc. updateElement(oldVNode, newVNode, isSvgMode); } } if ( isDef(oldChildren) && isDef(newChildren)) { // looks like there's child vnodes for both the old and new vnodes updateChildren(elm, oldChildren, newVNode, newChildren); } else if (isDef(newChildren)) { // no old child vnodes, but there are new child vnodes to add if ( isDef(oldVNode.$text$)) { // the old vnode was text, so be sure to clear it out elm.textContent = ''; } // add the new vnode children addVnodes(elm, null, newVNode, newChildren, 0, newChildren.length - 1); } else if ( isDef(oldChildren)) { // no new child vnodes, but there are old child vnodes to remove removeVnodes(oldChildren, 0, oldChildren.length - 1); } } else if ( (defaultHolder = elm['s-cr'])) { // this element has slotted content defaultHolder.parentNode.textContent = newVNode.$text$; } else if ( oldVNode.$text$ !== newVNode.$text$) { // update the text content for the text only vnode // and also only if the text is different than before elm.textContent = newVNode.$text$; } }; const updateFallbackSlotVisibility = (elm, childNode, childNodes, i, ilen, j, slotNameAttr, nodeType) => { childNodes = elm.childNodes; for (i = 0, ilen = childNodes.length; i < ilen; i++) { childNode = childNodes[i]; if (childNode.nodeType === 1 /* ElementNode */) { if (childNode['s-sr']) { // this is a slot fallback node // get the slot name for this slot reference node slotNameAttr = childNode['s-sn']; // by default always show a fallback slot node // then hide it if there are other slots in the light dom childNode.hidden = false; for (j = 0; j < ilen; j++) { if (childNodes[j]['s-hn'] !== childNode['s-hn']) { // this sibling node is from a different component nodeType = childNodes[j].nodeType; if (slotNameAttr !== '') { // this is a named fallback slot node if (nodeType === 1 /* ElementNode */ && slotNameAttr === childNodes[j].getAttribute('slot')) { childNode.hidden = true; break; } } else { // this is a default fallback slot node // any element or text node (with content) // should hide the default fallback slot node if (nodeType === 1 /* ElementNode */ || (nodeType === 3 /* TextNode */ && childNodes[j].textContent.trim() !== '')) { childNode.hidden = true; break; } } } } } // keep drilling down updateFallbackSlotVisibility(childNode); } } }; const relocateNodes = []; const relocateSlotContent = (elm) => { // tslint:disable-next-line: prefer-const let childNodes = elm.childNodes; let ilen = childNodes.length; let i = 0; let j = 0; let nodeType = 0; let childNode; let node; let hostContentNodes; let slotNameAttr; for (ilen = childNodes.length; i < ilen; i++) { childNode = childNodes[i]; if (childNode['s-sr'] && (node = childNode['s-cr'])) { // first got the content reference comment node // then we got it's parent, which is where all the host content is in now hostContentNodes = node.parentNode.childNodes; slotNameAttr = childNode['s-sn']; for (j = hostContentNodes.length - 1; j >= 0; j--) { node = hostContentNodes[j]; if (!node['s-cn'] && !node['s-nr'] && node['s-hn'] !== childNode['s-hn']) { // let's do some relocating to its new home // but never relocate a content reference node // that is suppose to always represent the original content location nodeType = node.nodeType; if (((nodeType === 3 /* TextNode */ || nodeType === 8 /* CommentNode */) && slotNameAttr === '') || (nodeType === 1 /* ElementNode */ && node.getAttribute('slot') === null && slotNameAttr === '') || (nodeType === 1 /* ElementNode */ && node.getAttribute('slot') === slotNameAttr)) { // it's possible we've already decided to relocate this node if (!relocateNodes.some(r => r.$nodeToRelocate$ === node)) { // made some changes to slots // let's make sure we also double check // fallbacks are correctly hidden or shown checkSlotFallbackVisibility = true; node['s-sn'] = slotNameAttr; // add to our list of nodes to relocate relocateNodes.push({ $slotRefNode$: childNode, $nodeToRelocate$: node }); } } } } } if (childNode.nodeType === 1 /* ElementNode */) { relocateSlotContent(childNode); } } }; const renderVdom = (hostElm, hostRef, cmpMeta, renderFnResults) => { hostTagName = hostElm.tagName; const oldVNode = hostRef.$vnode$ || { $flags$: 0 }; const rootVnode = isHost(renderFnResults) ? renderFnResults : h(null, null, renderFnResults); rootVnode.$tag$ = null; rootVnode.$flags$ |= 4 /* isHost */; hostRef.$vnode$ = rootVnode; rootVnode.$elm$ = oldVNode.$elm$ = ( hostElm.shadowRoot || hostElm ); { scopeId = hostElm['s-sc']; } { contentRef = hostElm['s-cr']; useNativeShadowDom = supportsShadowDom && (cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */) !== 0; // always reset checkSlotRelocate = checkSlotFallbackVisibility = false; } // synchronous patch patch(oldVNode, rootVnode); { if (checkSlotRelocate) { relocateSlotContent(rootVnode.$elm$); for (let i = 0; i < relocateNodes.length; i++) { const relocateNode = relocateNodes[i]; if (!relocateNode.$nodeToRelocate$['s-ol']) { // add a reference node marking this node's original location // keep a reference to this node for later lookups const orgLocationNode = doc.createTextNode(''); orgLocationNode['s-nr'] = relocateNode.$nodeToRelocate$; relocateNode.$nodeToRelocate$.parentNode.insertBefore((relocateNode.$nodeToRelocate$['s-ol'] = orgLocationNode), relocateNode.$nodeToRelocate$); } } // while we're moving nodes around existing nodes, temporarily disable // the disconnectCallback from working plt.$flags$ |= 1 /* isTmpDisconnected */; for (let i = 0; i < relocateNodes.length; i++) { const relocateNode = relocateNodes[i]; // by default we're just going to insert it directly // after the slot reference node const parentNodeRef = relocateNode.$slotRefNode$.parentNode; let insertBeforeNode = relocateNode.$slotRefNode$.nextSibling; let orgLocationNode = relocateNode.$nodeToRelocate$['s-ol']; while (orgLocationNode = orgLocationNode.previousSibling) { let refNode = orgLocationNode['s-nr']; if (refNode && refNode['s-sn'] === relocateNode.$nodeToRelocate$['s-sn'] && parentNodeRef === refNode.parentNode) { refNode = refNode.nextSibling; if (!refNode || !refNode['s-nr']) { insertBeforeNode = refNode; break; } } } if ((!insertBeforeNode && parentNodeRef !== relocateNode.$nodeToRelocate$.parentNode) || (relocateNode.$nodeToRelocate$.nextSibling !== insertBeforeNode)) { // we've checked that it's worth while to relocate // since that the node to relocate // has a different next sibling or parent relocated if (relocateNode.$nodeToRelocate$ !== insertBeforeNode) { // add it back to the dom but in its new home parentNodeRef.insertBefore(relocateNode.$nodeToRelocate$, insertBeforeNode); } } } // done moving nodes around // allow the disconnect callback to work again plt.$flags$ &= ~1 /* isTmpDisconnected */; } if (checkSlotFallbackVisibility) { updateFallbackSlotVisibility(rootVnode.$elm$); } // always reset relocateNodes.length = 0; } }; const scheduleUpdate = (elm, hostRef, cmpMeta, isInitialLoad) => { { hostRef.$flags$ |= 16 /* isQueuedForUpdate */; } const instance = hostRef.$lazyInstance$ ; const update = () => updateComponent(elm, hostRef, cmpMeta, instance, isInitialLoad); let promise; if (isInitialLoad) { { promise = safeCall(instance, 'componentWillLoad'); } } // there is no ancestorc omponent or the ancestor component // has already fired off its lifecycle update then // fire off the initial update return then(promise, () => writeTask(update) ); }; const updateComponent = (elm, hostRef, cmpMeta, instance, isInitialLoad) => { // updateComponent { hostRef.$flags$ &= ~16 /* isQueuedForUpdate */; } { elm['s-lr'] = false; } if ( isInitialLoad) { // DOM WRITE! attachStyles(elm, cmpMeta, hostRef.$modeName$); } { { // tell the platform we're actively rendering // if a value is changed within a render() then // this tells the platform not to queue the change hostRef.$flags$ |= 4 /* isActiveRender */; try { // looks like we've got child nodes to render into this host element // or we need to update the css class/attrs on the host element // DOM WRITE! renderVdom(elm, hostRef, cmpMeta, instance.render() ); } catch (e) { consoleError(e); } hostRef.$flags$ &= ~4 /* isActiveRender */; } } if ( plt.$cssShim$) { plt.$cssShim$.updateHost(elm); } // set that this component lifecycle rendering has completed { elm['s-lr'] = true; } { hostRef.$flags$ |= 2 /* hasRendered */; } if ( elm['s-rc'].length > 0) { // ok, so turns out there are some child host elements // waiting on this parent element to load // let's fire off all update callbacks waiting elm['s-rc'].forEach(cb => cb()); elm['s-rc'].length = 0; } postUpdateComponent(elm, hostRef); }; const postUpdateComponent = (elm, hostRef, ancestorsActivelyLoadingChildren) => { if ( !elm['s-al']) { const ancestorComponent = hostRef.$ancestorComponent$; if (!(hostRef.$flags$ & 64 /* hasLoadedComponent */)) { hostRef.$flags$ |= 64 /* hasLoadedComponent */; { // DOM WRITE! // add the css class that this element has officially hydrated elm.classList.add(HYDRATED_CLASS); } { hostRef.$onReadyResolve$(elm); } if ( !ancestorComponent) { appDidLoad(); } } // load events fire from bottom to top // the deepest elements load first then bubbles up if ( ancestorComponent) { // ok so this element already has a known ancestor component // let's make sure we remove this element from its ancestor's // known list of child elements which are actively loading if (ancestorsActivelyLoadingChildren = ancestorComponent['s-al']) { // remove this element from the actively loading map ancestorsActivelyLoadingChildren.delete(elm); // the ancestor's initializeComponent method will do the actual checks // to see if the ancestor is actually loaded or not // then let's call the ancestor's initializeComponent method if there's no length // (which actually ends up as this method again but for the ancestor) if (ancestorsActivelyLoadingChildren.size === 0) { ancestorComponent['s-al'] = undefined; ancestorComponent['s-init'](); } } hostRef.$ancestorComponent$ = undefined; } // ( •_•) // ( •_•)>⌐■-■ // (⌐■_■) } }; const forceUpdate = (elm, cmpMeta) => { { const hostRef = getHostRef(elm); if (hostRef.$flags$ & 2 /* hasRendered */) { scheduleUpdate(elm, hostRef, cmpMeta, false); } } }; const appDidLoad = () => { // on appload // we have finish the first big initial render { doc.documentElement.classList.add(HYDRATED_CLASS); } { plt.$flags$ |= 2 /* appLoaded */; } }; const safeCall = (instance, method, arg) => { if (instance && instance[method]) { try { return instance[method](arg); } catch (e) { consoleError(e); } } return undefined; }; const then = (promise, thenFn) => { return promise && promise.then ? promise.then(thenFn) : thenFn(); }; const getValue = (ref, propName) => getHostRef(ref).$instanceValues$.get(propName); const setValue = (ref, propName, newVal, cmpMeta) => { // check our new property value against our internal value const hostRef = getHostRef(ref); const elm = hostRef.$hostElement$ ; const oldVal = hostRef.$instanceValues$.get(propName); const flags = hostRef.$flags$; const instance = hostRef.$lazyInstance$ ; newVal = parsePropertyValue(newVal, cmpMeta.$members$[propName][0]); if (newVal !== oldVal && ( !(flags & 8 /* isConstructingInstance */) || oldVal === undefined)) { // gadzooks! the property's value has changed!! // set our new value! hostRef.$instanceValues$.set(propName, newVal); if ( instance) { // get an array of method names of watch functions to call if ( cmpMeta.$watchers$ && flags & 128 /* isWatchReady */) { const watchMethods = cmpMeta.$watchers$[propName]; if (watchMethods) { // this instance is watching for when this property changed watchMethods.forEach(watchMethodName => { try { // fire off each of the watch methods that are watching this property instance[watchMethodName](newVal, oldVal, propName); } catch (e) { consoleError(e); } }); } } if ( (flags & (4 /* isActiveRender */ | 2 /* hasRendered */ | 16 /* isQueuedForUpdate */)) === 2 /* hasRendered */) { // looks like this value actually changed, so we've got work to do! // but only if we've already rendered, otherwise just chill out // queue that we need to do an update, but don't worry about queuing // up millions cuz this function ensures it only runs once scheduleUpdate(elm, hostRef, cmpMeta, false); } } } }; const proxyComponent = (Cstr, cmpMeta, flags) => { if ( cmpMeta.$members$) { if ( Cstr.watchers) { cmpMeta.$watchers$ = Cstr.watchers; } // It's better to have a const than two Object.entries() const members = Object.entries(cmpMeta.$members$); const prototype = Cstr.prototype; members.forEach(([memberName, [memberFlags]]) => { if ( ((memberFlags & 31 /* Prop */) || (( flags & 2 /* proxyState */) && (memberFlags & 32 /* State */)))) { // proxyComponent - prop Object.defineProperty(prototype, memberName, { get() { // proxyComponent, get value return getValue(this, memberName); }, set(newValue) { // proxyComponent, set value setValue(this, memberName, newValue, cmpMeta); }, configurable: true, enumerable: true }); } }); if ( ( flags & 1 /* isElementConstructor */)) { const attrNameToPropName = new Map(); prototype.attributeChangedCallback = function (attrName, _oldValue, newValue) { plt.jmp(() => { const propName = attrNameToPropName.get(attrName); this[propName] = newValue === null && typeof this[propName] === 'boolean' ? false : newValue; }); }; // create an array of attributes to observe // and also create a map of html attribute name to js property name Cstr.observedAttributes = members .filter(([_, m]) => m[0] & 15 /* HasAttribute */) // filter to only keep props that should match attributes .map(([propName, m]) => { const attrName = m[1] || propName; attrNameToPropName.set(attrName, propName); return attrName; }); } } return Cstr; }; const initializeComponent = async (elm, hostRef, cmpMeta, hmrVersionId, Cstr) => { // initializeComponent if ( (hostRef.$flags$ & 32 /* hasInitializedComponent */) === 0) { // we haven't initialized this element yet hostRef.$flags$ |= 32 /* hasInitializedComponent */; { // lazy loaded components // request the component's implementation to be // wired up with the host element Cstr = loadModule(cmpMeta); if (Cstr.then) { // Await creates a micro-task avoid if possible Cstr = await Cstr; } if ( !Cstr.isProxied) { // we'eve never proxied this Constructor before // let's add the getters/setters to its prototype before // the first time we create an instance of the implementation { cmpMeta.$watchers$ = Cstr.watchers; } proxyComponent(Cstr, cmpMeta, 2 /* proxyState */); Cstr.is