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soft-components

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Simple soft flexible set of web components

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const NAMESPACE = 'soft-components'; let scopeId; let contentRef; let hostTagName; let useNativeShadowDom = false; let checkSlotFallbackVisibility = false; let checkSlotRelocate = false; let isSvgMode = false; let queuePending = false; const win = typeof window !== 'undefined' ? window : {}; const doc = win.document || { head: {} }; 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), ce: (eventName, opts) => new CustomEvent(eventName, opts), }; const promiseResolve = (v) => Promise.resolve(v); const supportsConstructibleStylesheets = /*@__PURE__*/ (() => { try { new CSSStyleSheet(); return true; } catch (e) { } return false; })() ; const addHostEventListeners = (elm, hostRef, listeners, attachParentListeners) => { if ( listeners) { listeners.map(([flags, name, method]) => { const target = elm; const handler = hostListenerProxy(hostRef, method); const opts = hostListenerOpts(flags); plt.ael(target, name, handler, opts); (hostRef.$rmListeners$ = hostRef.$rmListeners$ || []).push(() => plt.rel(target, name, handler, opts)); }); } }; const hostListenerProxy = (hostRef, methodName) => (ev) => { try { { if (hostRef.$flags$ & 256 /* isListenReady */) { // instance is ready, let's call it's member method for this event hostRef.$lazyInstance$[methodName](ev); } else { (hostRef.$queuedListeners$ = hostRef.$queuedListeners$ || []).push([methodName, ev]); } } } catch (e) { consoleError(e); } }; // prettier-ignore const hostListenerOpts = (flags) => (flags & 2 /* Capture */) !== 0; const HYDRATED_CSS = '{visibility:hidden}.hydrated{visibility:inherit}'; const XLINK_NS = 'http://www.w3.org/1999/xlink'; const createTime = (fnName, tagName = '') => { { return () => { return; }; } }; const uniqueTime = (key, measureText) => { { return () => { return; }; } }; 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); 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)) { { { styleElm = doc.createElement('style'); 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 = (hostRef) => { const cmpMeta = hostRef.$cmpMeta$; const elm = hostRef.$hostElement$; const flags = cmpMeta.$flags$; const endAttachStyles = createTime('attachStyles', cmpMeta.$tagName$); const scopeId = addStyle( elm.shadowRoot ? elm.shadowRoot : elm.getRootNode(), cmpMeta); if ( 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'); } endAttachStyles(); }; const getScopeId = (cmp, mode) => 'sc-' + ( cmp.$tagName$); /** * Default style mode id */ /** * Reusable empty obj/array * Don't add values to these!! */ const EMPTY_OBJ = {}; /** * Namespaces */ const SVG_NS = 'http://www.w3.org/2000/svg'; const HTML_NS = 'http://www.w3.org/1999/xhtml'; const isDef = (v) => v != null; const isComplexType = (o) => { // https://jsperf.com/typeof-fn-object/5 o = typeof o; return o === 'object' || o === 'function'; }; /** * 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 key = null; let slotName = null; let simple = false; let lastSimple = false; 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 ? newVNode(null, child) : child); } lastSimple = simple; } } }; walk(children); if (vnodeData) { // normalize class / classname attributes if ( vnodeData.key) { key = vnodeData.key; } if ( vnodeData.name) { 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(' '); } } } if ( typeof nodeName === 'function') { // nodeName is a functional component return nodeName(vnodeData === null ? {} : vnodeData, vNodeChildren, vdomFnUtils); } const vnode = newVNode(nodeName, null); vnode.$attrs$ = vnodeData; if (vNodeChildren.length > 0) { vnode.$children$ = vNodeChildren; } { vnode.$key$ = key; } { vnode.$name$ = slotName; } return vnode; }; const newVNode = (tag, text) => { const vnode = { $flags$: 0, $tag$: tag, $text$: text, $elm$: null, $children$: null, }; { vnode.$attrs$ = null; } { vnode.$key$ = null; } { vnode.$name$ = null; } return vnode; }; const Host = {}; const isHost = (node) => node && node.$tag$ === Host; const vdomFnUtils = { forEach: (children, cb) => children.map(convertToPublic).forEach(cb), map: (children, cb) => children.map(convertToPublic).map(cb).map(convertToPrivate), }; const convertToPublic = (node) => ({ vattrs: node.$attrs$, vchildren: node.$children$, vkey: node.$key$, vname: node.$name$, vtag: node.$tag$, vtext: node.$text$, }); const convertToPrivate = (node) => { if (typeof node.vtag === 'function') { const vnodeData = Object.assign({}, node.vattrs); if (node.vkey) { vnodeData.key = node.vkey; } if (node.vname) { vnodeData.name = node.vname; } return h(node.vtag, vnodeData, ...(node.vchildren || [])); } const vnode = newVNode(node.vtag, node.vtext); vnode.$attrs$ = node.vattrs; vnode.$children$ = node.vchildren; vnode.$key$ = node.vkey; vnode.$name$ = node.vname; return vnode; }; /** * 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) { let isProp = isMemberInElement(elm, memberName); let ln = memberName.toLowerCase(); if ( memberName === 'class') { const classList = elm.classList; const oldClasses = parseClassList(oldValue); const newClasses = parseClassList(newValue); classList.remove(...oldClasses.filter(c => c && !newClasses.includes(c))); classList.add(...newClasses.filter(c => c && !oldClasses.includes(c))); } else if ( memberName === 'style') { // update style attribute, css properties and values { for (const prop in oldValue) { if (!newValue || newValue[prop] == null) { if ( prop.includes('-')) { elm.style.removeProperty(prop); } else { elm.style[prop] = ''; } } } } for (const prop in newValue) { if (!oldValue || newValue[prop] !== oldValue[prop]) { if ( prop.includes('-')) { elm.style.setProperty(prop, newValue[prop]); } else { elm.style[prop] = newValue[prop]; } } } } else if ( memberName === 'key') ; else if ( memberName === 'ref') { // minifier will clean this up if (newValue) { newValue(elm); } } 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.slice(3); } else if (isMemberInElement(win, ln)) { // standard event // the JSX attribute could have been "onMouseOver" and the // member name "onmouseover" is on the window's prototype // so let's add the listener "mouseover", which is all lowercased memberName = ln.slice(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.slice(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 if (memberName === 'list') { isProp = false; // tslint:disable-next-line: triple-equals } else if (oldValue == null || elm[memberName] != n) { elm[memberName] = n; } } else { elm[memberName] = newValue; } } catch (e) { } } /** * Need to manually update attribute if: * - memberName is not an attribute * - if we are rendering the host element in order to reflect attribute * - if it's a SVG, since properties might not work in <svg> * - if the newValue is null/undefined or 'false'. */ let xlink = false; { if (ln !== (ln = ln.replace(/^xlink\:?/, ''))) { memberName = ln; xlink = true; } } if (newValue == null || newValue === false) { if (newValue !== false || elm.getAttribute(memberName) === '') { if ( xlink) { elm.removeAttributeNS(XLINK_NS, memberName); } else { elm.removeAttribute(memberName); } } } else if ((!isProp || flags & 4 /* isHost */ || isSvg) && !isComplex) { newValue = newValue === true ? '' : newValue; if ( xlink) { elm.setAttributeNS(XLINK_NS, memberName, newValue); } else { elm.setAttribute(memberName, newValue); } } } } }; const parseClassListRegex = /\s/; const parseClassList = (value) => (!value ? [] : value.split(parseClassListRegex)); 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'); } newVNode.$flags$ |= newVNode.$children$ ? // slot element has fallback content 2 /* isSlotFallback */ : // slot element does not have fallback content 1 /* isSlotReference */; } } if ( newVNode.$text$ !== null) { // create text node elm = newVNode.$elm$ = doc.createTextNode(newVNode.$text$); } else if ( newVNode.$flags$ & 1 /* isSlotReference */) { // create a slot reference node elm = newVNode.$elm$ = doc.createTextNode(''); } else { if ( !isSvgMode) { isSvgMode = newVNode.$tag$ === 'svg'; } // create element elm = newVNode.$elm$ = ( doc.createElementNS(isSvgMode ? SVG_NS : HTML_NS, newVNode.$flags$ & 2 /* isSlotFallback */ ? 'slot-fb' : newVNode.$tag$) ); if ( isSvgMode && newVNode.$tag$ === 'foreignObject') { isSvgMode = false; } // 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); } } } { if (newVNode.$tag$ === 'svg') { // Only reset the SVG context when we're exiting <svg> element isSvgMode = false; } else if (elm.tagName === 'foreignObject') { // Reenter SVG context when we're exiting <foreignObject> element isSvgMode = true; } } } { elm['s-hn'] = hostTagName; if (newVNode.$flags$ & (2 /* isSlotFallback */ | 1 /* isSlotReference */)) { // remember the content reference comment elm['s-sr'] = true; // remember the content reference comment elm['s-cr'] = contentRef; // remember the slot name, or empty string for default slot 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 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, vnode, elm) => { for (; startIdx <= endIdx; ++startIdx) { if ((vnode = vnodes[startIdx])) { elm = vnode.$elm$; callNodeRefs(vnode); { // 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 idxInOld = 0; let i = 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; let elmToMove; 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 { // createKeyToOldIdx idxInOld = -1; { for (i = oldStartIdx; i <= oldEndIdx; ++i) { if (oldCh[i] && oldCh[i].$key$ !== null && oldCh[i].$key$ === newStartVnode.$key$) { idxInOld = i; break; } } } if ( idxInOld >= 0) { elmToMove = oldCh[idxInOld]; if (elmToMove.$tag$ !== newStartVnode.$tag$) { node = createElm(oldCh && oldCh[newStartIdx], newVNode, idxInOld, parentElm); } else { patch(elmToMove, newStartVnode); oldCh[idxInOld] = undefined; node = elmToMove.$elm$; } 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 vnode1.$key$ === vnode2.$key$; } } 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.$children$; const tag = newVNode.$tag$; const text = newVNode.$text$; let defaultHolder; if ( text === null) { { // test if we're rendering an svg element, or still rendering nodes inside of one // only add this to the when the compiler sees we're using an svg somewhere isSvgMode = tag === 'svg' ? true : tag === 'foreignObject' ? false : isSvgMode; } // element node { if ( 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 ( oldChildren !== null && newChildren !== null) { // looks like there's child vnodes for both the old and new vnodes updateChildren(elm, oldChildren, newVNode, newChildren); } else if (newChildren !== null) { // no old child vnodes, but there are new child vnodes to add if ( oldVNode.$text$ !== null) { // 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 ( oldChildren !== null) { // no new child vnodes, but there are old child vnodes to remove removeVnodes(oldChildren, 0, oldChildren.length - 1); } if ( isSvgMode && tag === 'svg') { isSvgMode = false; } } else if ( (defaultHolder = elm['s-cr'])) { // this element has slotted content defaultHolder.parentNode.textContent = text; } else if ( oldVNode.$text$ !== text) { // update the text content for the text only vnode // and also only if the text is different than before elm.data = text; } }; const updateFallbackSlotVisibility = (elm) => { // tslint:disable-next-line: prefer-const let childNodes = elm.childNodes; let childNode; let i; let ilen; let j; let slotNameAttr; let nodeType; 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 childNode; let node; let hostContentNodes; let slotNameAttr; let relocateNodeData; let j; let i = 0; let childNodes = elm.childNodes; let ilen = childNodes.length; for (; 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 if (isNodeLocatedInSlot(node, slotNameAttr)) { // it's possible we've already decided to relocate this node relocateNodeData = relocateNodes.find(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'] = node['s-sn'] || slotNameAttr; if (relocateNodeData) { // previously we never found a slot home for this node // but turns out we did, so let's remember it now relocateNodeData.$slotRefNode$ = childNode; } else { // add to our list of nodes to relocate relocateNodes.push({ $slotRefNode$: childNode, $nodeToRelocate$: node, }); } if (node['s-sr']) { relocateNodes.map(relocateNode => { if (isNodeLocatedInSlot(relocateNode.$nodeToRelocate$, node['s-sn'])) { relocateNodeData = relocateNodes.find(r => r.$nodeToRelocate$ === node); if (relocateNodeData && !relocateNode.$slotRefNode$) { relocateNode.$slotRefNode$ = relocateNodeData.$slotRefNode$; } } }); } } else if (!relocateNodes.some(r => r.$nodeToRelocate$ === node)) { // so far this element does not have a slot home, not setting slotRefNode on purpose // if we never find a home for this element then we'll need to hide it relocateNodes.push({ $nodeToRelocate$: node, }); } } } } if (childNode.nodeType === 1 /* ElementNode */) { relocateSlotContent(childNode); } } }; const isNodeLocatedInSlot = (nodeToRelocate, slotNameAttr) => { if (nodeToRelocate.nodeType === 1 /* ElementNode */) { if (nodeToRelocate.getAttribute('slot') === null && slotNameAttr === '') { return true; } if (nodeToRelocate.getAttribute('slot') === slotNameAttr) { return true; } return false; } if (nodeToRelocate['s-sn'] === slotNameAttr) { return true; } return slotNameAttr === ''; }; const callNodeRefs = (vNode) => { { vNode.$attrs$ && vNode.$attrs$.ref && vNode.$attrs$.ref(null); vNode.$children$ && vNode.$children$.map(callNodeRefs); } }; const renderVdom = (hostRef, renderFnResults) => { const hostElm = hostRef.$hostElement$; const cmpMeta = hostRef.$cmpMeta$; const oldVNode = hostRef.$vnode$ || newVNode(null, null); const rootVnode = isHost(renderFnResults) ? renderFnResults : h(null, null, renderFnResults); hostTagName = hostElm.tagName; if ( cmpMeta.$attrsToReflect$) { rootVnode.$attrs$ = rootVnode.$attrs$ || {}; cmpMeta.$attrsToReflect$.map(([propName, attribute]) => (rootVnode.$attrs$[attribute] = hostElm[propName])); } 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 = (cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */) !== 0; // always reset checkSlotFallbackVisibility = false; } // synchronous patch patch(oldVNode, rootVnode); { // while we're moving nodes around existing nodes, temporarily disable // the disconnectCallback from working plt.$flags$ |= 1 /* isTmpDisconnected */; if (checkSlotRelocate) { relocateSlotContent(rootVnode.$elm$); let relocateData; let nodeToRelocate; let orgLocationNode; let parentNodeRef; let insertBeforeNode; let refNode; let i = 0; for (; i < relocateNodes.length; i++) { relocateData = relocateNodes[i]; nodeToRelocate = relocateData.$nodeToRelocate$; if (!nodeToRelocate['s-ol']) { // add a reference node marking this node's original location // keep a reference to this node for later lookups orgLocationNode = doc.createTextNode(''); orgLocationNode['s-nr'] = nodeToRelocate; nodeToRelocate.parentNode.insertBefore((nodeToRelocate['s-ol'] = orgLocationNode), nodeToRelocate); } } for (i = 0; i < relocateNodes.length; i++) { relocateData = relocateNodes[i]; nodeToRelocate = relocateData.$nodeToRelocate$; if (relocateData.$slotRefNode$) { // by default we're just going to insert it directly // after the slot reference node parentNodeRef = relocateData.$slotRefNode$.parentNode; insertBeforeNode = relocateData.$slotRefNode$.nextSibling; orgLocationNode = nodeToRelocate['s-ol']; while ((orgLocationNode = orgLocationNode.previousSibling)) { refNode = orgLocationNode['s-nr']; if (refNode && refNode['s-sn'] === nodeToRelocate['s-sn'] && parentNodeRef === refNode.parentNode) { refNode = refNode.nextSibling; if (!refNode || !refNode['s-nr']) { insertBeforeNode = refNode; break; } } } if ((!insertBeforeNode && parentNodeRef !== nodeToRelocate.parentNode) || 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 (nodeToRelocate !== insertBeforeNode) { if (!nodeToRelocate['s-hn'] && nodeToRelocate['s-ol']) { // probably a component in the index.html that doesn't have it's hostname set nodeToRelocate['s-hn'] = nodeToRelocate['s-ol'].parentNode.nodeName; } // add it back to the dom but in its new home parentNodeRef.insertBefore(nodeToRelocate, insertBeforeNode); } } } else { // this node doesn't have a slot home to go to, so let's hide it if (nodeToRelocate.nodeType === 1 /* ElementNode */) { nodeToRelocate.hidden = true; } } } } if (checkSlotFallbackVisibility) { updateFallbackSlotVisibility(rootVnode.$elm$); } // done moving nodes around // allow the disconnect callback to work again plt.$flags$ &= ~1 /* isTmpDisconnected */; // always reset relocateNodes.length = 0; } }; const getElement = (ref) => ( getHostRef(ref).$hostElement$ ); const createEvent = (ref, name, flags) => { const elm = getElement(ref); return { emit: (detail) => { return emitEvent(elm, name, { bubbles: !!(flags & 4 /* Bubbles */), composed: !!(flags & 2 /* Composed */), cancelable: !!(flags & 1 /* Cancellable */), detail, }); }, }; }; const emitEvent = (elm, name, opts) => { const ev = plt.ce(name, opts); elm.dispatchEvent(ev); return ev; }; const attachToAncestor = (hostRef, ancestorComponent) => { if ( ancestorComponent && !hostRef.$onRenderResolve$ && ancestorComponent['s-p']) { ancestorComponent['s-p'].push(new Promise(r => (hostRef.$onRenderResolve$ = r))); } }; const scheduleUpdate = (hostRef, isInitialLoad) => { { hostRef.$flags$ |= 16 /* isQueuedForUpdate */; } if ( hostRef.$flags$ & 4 /* isWaitingForChildren */) { hostRef.$flags$ |= 512 /* needsRerender */; return; } attachToAncestor(hostRef, hostRef.$ancestorComponent$); // there is no ancestor component or the ancestor component // has already fired off its lifecycle update then // fire off the initial update const dispatch = () => dispatchHooks(hostRef, isInitialLoad); return writeTask(dispatch) ; }; const dispatchHooks = (hostRef, isInitialLoad) => { const endSchedule = createTime('scheduleUpdate', hostRef.$cmpMeta$.$tagName$); const instance = hostRef.$lazyInstance$ ; let promise; if (isInitialLoad) { { hostRef.$flags$ |= 256 /* isListenReady */; if (hostRef.$queuedListeners$) { hostRef.$queuedListeners$.map(([methodName, event]) => safeCall(instance, methodName, event)); hostRef.$queuedListeners$ = null; } } { promise = safeCall(instance, 'componentWillLoad'); } } endSchedule(); return then(promise, () => updateComponent(hostRef, instance, isInitialLoad)); }; const updateComponent = async (hostRef, instance, isInitialLoad) => { // updateComponent const elm = hostRef.$hostElement$; const endUpdate = createTime('update', hostRef.$cmpMeta$.$tagName$); const rc = elm['s-rc']; if ( isInitialLoad) { // DOM WRITE! attachStyles(hostRef); } const endRender = createTime('render', hostRef.$cmpMeta$.$tagName$); { { // 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(hostRef, callRender(hostRef, instance)); } } } if ( rc) { // 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 rc.map(cb => cb()); elm['s-rc'] = undefined; } endRender(); endUpdate(); { const childrenPromises = elm['s-p']; const postUpdate = () => postUpdateComponent(hostRef); if (childrenPromises.length === 0) { postUpdate(); } else { Promise.all(childrenPromises).then(postUpdate); hostRef.$flags$ |= 4 /* isWaitingForChildren */; childrenPromises.length = 0; } } }; const callRender = (hostRef, instance) => { try { instance = instance.render && instance.render(); { hostRef.$flags$ &= ~16 /* isQueuedForUpdate */; } { hostRef.$flags$ |= 2 /* hasRendered */; } } catch (e) { consoleError(e, hostRef.$hostElement$); } return instance; }; const postUpdateComponent = (hostRef) => { const tagName = hostRef.$cmpMeta$.$tagName$; const elm = hostRef.$hostElement$; const endPostUpdate = createTime('postUpdate', tagName); const instance = hostRef.$lazyInstance$ ; const ancestorComponent = hostRef.$ancestorComponent$; if (!(hostRef.$flags$ & 64 /* hasLoadedComponent */)) { hostRef.$flags$ |= 64 /* hasLoadedComponent */; { // DOM WRITE! addHydratedFlag(elm); } { safeCall(instance, 'componentDidLoad'); } endPostUpdate(); { hostRef.$onReadyResolve$(elm); if (!ancestorComponent) { appDidLoad(); } } } else { endPostUpdate(); } { hostRef.$onInstanceResolve$(elm); } // load events fire from bottom to top // the deepest elements load first then bubbles up { if (hostRef.$onRenderResolve$) { hostRef.$onRenderResolve$(); hostRef.$onRenderResolve$ = undefined; } if (hostRef.$flags$ & 512 /* needsRerender */) { nextTick(() => scheduleUpdate(hostRef, false)); } hostRef.$flags$ &= ~(4 /* isWaitingForChildren */ | 512 /* needsRerender */); } // ( •_•) // ( •_•)>⌐■-■ // (⌐■_■) }; const appDidLoad = (who) => { // on appload // we have finish the first big initial render { addHydratedFlag(doc.documentElement); } nextTick(() => emitEvent(win, 'appload', { detail: { namespace: NAMESPACE } })); }; 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 addHydratedFlag = (elm) => ( elm.classList.add('hydrated') ); 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 & 2 /* Number */) { // force it to be a number return parseFloat(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 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 (( !(flags & 8 /* isConstructingInstance */) || oldVal === undefined) && newVal !== oldVal) { // 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.map(watchMethodName => { try { // fire off each of the watch methods that are watching this property instance[watchMethodName](newVal, oldVal, propName); } catch (e)