UNPKG

docking-egid

Version:

This library is built to provide a solution for Angular enables the creation of complex layouts consisting of panels that can be floated, docked, nested, resized, pinned, unpinned and closed. Additional components can be integrated to create an IDE-like l

1,264 lines (1,263 loc) 54.5 kB
const NAMESPACE = 'ngx-flexlayout'; let scopeId; let hostTagName; 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 typeof new CSSStyleSheet().replace === 'function'; } 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'); if (flags & 2 /* scopedCssEncapsulation */) { elm.classList.add(scopeId + '-s'); } } 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 = {}; 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 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; } { 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; } return vnode; }; const newVNode = (tag, text) => { const vnode = { $flags$: 0, $tag$: tag, $text$: text, $elm$: null, $children$: null, }; { vnode.$attrs$ = null; } { vnode.$key$ = 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; } 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; if (newVNode.$text$ !== null) { // create text node elm = newVNode.$elm$ = doc.createTextNode(newVNode.$text$); } else { // create element elm = newVNode.$elm$ = (doc.createElement(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); // return node could have been null if (childNode) { // append our new node elm.appendChild(childNode); } } } } return elm; }; const addVnodes = (parentElm, before, parentVNode, vnodes, startIdx, endIdx) => { let containerElm = (parentElm); let childNode; if (containerElm.shadowRoot && containerElm.tagName === hostTagName) { containerElm = containerElm.shadowRoot; } for (; startIdx <= endIdx; ++startIdx) { if (vnodes[startIdx]) { childNode = createElm(null, parentVNode, startIdx); if (childNode) { vnodes[startIdx].$elm$ = childNode; containerElm.insertBefore(childNode, before); } } } }; const removeVnodes = (vnodes, startIdx, endIdx, vnode, elm) => { for (; startIdx <= endIdx; ++startIdx) { if ((vnode = vnodes[startIdx])) { elm = vnode.$elm$; callNodeRefs(vnode); // 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)) { patch(oldStartVnode, newEndVnode); parentElm.insertBefore(oldStartVnode.$elm$, oldEndVnode.$elm$.nextSibling); oldStartVnode = oldCh[++oldStartIdx]; newEndVnode = newCh[--newEndIdx]; } else if (isSameVnode(oldEndVnode, newStartVnode)) { 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); } else { patch(elmToMove, newStartVnode); oldCh[idxInOld] = undefined; node = elmToMove.$elm$; } newStartVnode = newCh[++newStartIdx]; } else { // new element node = createElm(oldCh && oldCh[newStartIdx], newVNode, newStartIdx); newStartVnode = newCh[++newStartIdx]; } if (node) { { oldStartVnode.$elm$.parentNode.insertBefore(node, 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.$tag$) { { return vnode1.$key$ === vnode2.$key$; } } return false; }; 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.$text$; if (text === null) { // 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); } } 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 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']; } // synchronous patch patch(oldVNode, rootVnode); }; 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, }); }, }; }; /** * Helper function to create & dispatch a custom Event on a provided target * @param elm the target of the Event * @param name the name to give the custom Event * @param opts options for configuring a custom Event * @returns the custom Event */ 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.$cmpMeta$.$tagName$); { 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, elm) => { try { instance = instance.render() ; { hostRef.$flags$ &= ~16 /* isQueuedForUpdate */; } { hostRef.$flags$ |= 2 /* hasRendered */; } { { // 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, instance); } } } } catch (e) { consoleError(e, hostRef.$hostElement$); } return null; }; const postUpdateComponent = (hostRef) => { const tagName = hostRef.$cmpMeta$.$tagName$; const elm = hostRef.$hostElement$; const endPostUpdate = createTime('postUpdate', tagName); const instance = hostRef.$lazyInstance$ ; const ancestorComponent = hostRef.$ancestorComponent$; { safeCall(instance, 'componentDidRender'); } if (!(hostRef.$flags$ & 64 /* hasLoadedComponent */)) { hostRef.$flags$ |= 64 /* hasLoadedComponent */; { // DOM WRITE! addHydratedFlag(elm); } { safeCall(instance, 'componentDidLoad'); } endPostUpdate(); { hostRef.$onReadyResolve$(elm); if (!ancestorComponent) { appDidLoad(); } } } else { { safeCall(instance, 'componentDidUpdate'); } 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 forceUpdate = (ref) => { { const hostRef = getHostRef(ref); const isConnected = hostRef.$hostElement$.isConnected; if (isConnected && (hostRef.$flags$ & (2 /* hasRendered */ | 16 /* isQueuedForUpdate */)) === 2 /* hasRendered */) { scheduleUpdate(hostRef, false); } // Returns "true" when the forced update was successfully scheduled return isConnected; } }; 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) { consoleError(e, elm); } }); } } if ((flags & (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(hostRef, 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.map(([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, }); } else if (flags & 1 /* isElementConstructor */ && memberFlags & 64 /* Method */) { // proxyComponent - method Object.defineProperty(prototype, memberName, { value(...args) { const ref = getHostRef(this); return ref.$onInstancePromise$.then(() => ref.$lazyInstance$[memberName](...args)); }, }); } }); if ((flags & 1 /* isElementConstructor */)) { const attrNameToPropName = new Map(); prototype.attributeChangedCallback = function (attrName, _oldValue, newValue) { plt.jmp(() => { const propName = attrNameToPropName.get(attrName); // In a web component lifecycle the attributeChangedCallback runs prior to connectedCallback // in the case where an attribute was set inline. // ```html // <my-component some-attribute="some-value"></my-component> // ``` // // There is an edge case where a developer sets the attribute inline on a custom element and then // programmatically changes it before it has been upgraded as shown below: // // ```html // <!-- this component has _not_ been upgraded yet --> // <my-component id="test" some-attribute="some-value"></my-component> // <script> // // grab non-upgraded component // el = document.querySelector("#test"); // el.someAttribute = "another-value"; // // upgrade component // customElements.define('my-component', MyComponent); // </script> // ``` // In this case if we do not unshadow here and use the value of the shadowing property, attributeChangedCallback // will be called with `newValue = "some-value"` and will set the shadowed property (this.someAttribute = "another-value") // to the value that was set inline i.e. "some-value" from above example. When // the connectedCallback attempts to unshadow it will use "some-value" as the initial value rather than "another-value" // // The case where the attribute was NOT set inline but was not set programmatically shall be handled/unshadowed // by connectedCallback as this attributeChangedCallback will not fire. // // https://developers.google.com/web/fundamentals/web-components/best-practices#lazy-properties // // TODO(STENCIL-16) we should think about whether or not we actually want to be reflecting the attributes to // properties here given that this goes against best practices outlined here // https://developers.google.com/web/fundamentals/web-components/best-practices#avoid-reentrancy if (this.hasOwnProperty(propName)) { newValue = this[propName]; delete this[propName]; } else if (prototype.hasOwnProperty(propName) && typeof this[propName] === 'number' && this[propName] == newValue) { // if the propName exists on the prototype of `Cstr`, this update may be a result of Stencil using native // APIs to reflect props as attributes. Calls to `setAttribute(someElement, propName)` will result in // `propName` to be converted to a `DOMString`, which may not be what we want for other primitive props. return; } 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); if (m[0] & 512 /* ReflectAttr */) { cmpMeta.$attrsToReflect$.push([propName, attrName]); } 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 const endLoad = uniqueTime(); Cstr = await Cstr; endLoad(); } if (!Cstr.isProxied) { // we've 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.isProxied = true; } const endNewInstance = createTime('createInstance', cmpMeta.$tagName$); // ok, time to construct the instance // but let's keep track of when we start and stop // so that the getters/setters don't incorrectly step on data { hostRef.$flags$ |= 8 /* isConstructingInstance */; } // construct the lazy-loaded component implementation // passing the hostRef is very important during // construction in order to directly wire together the // host element and the lazy-loaded instance try { new Cstr(hostRef); } catch (e) { consoleError(e); } { hostRef.$flags$ &= ~8 /* isConstructingInstance */; } { hostRef.$flags$ |= 128 /* isWatchReady */; } endNewInstance(); fireConnectedCallback(hostRef.$lazyInstance$); } if (Cstr.style) { // this component has styles but we haven't registered them yet let style = Cstr.style; const scopeId = getScopeId(cmpMeta); if (!styles.has(scopeId)) { const endRegisterStyles = createTime('registerStyles', cmpMeta.$tagName$); registerStyle(scopeId, style, !!(cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */)); endRegisterStyles(); } } } // we've successfully created a lazy instance const ancestorComponent = hostRef.$ancestorComponent$; const schedule = () => scheduleUpdate(hostRef, true); if (ancestorComponent && ancestorComponent['s-rc']) { // this is the initial load and this component it has an ancestor component // but the ancestor component has NOT fired its will update lifecycle yet // so let's just cool our jets and wait for the ancestor to continue first // this will get fired off when the ancestor component // finally gets around to rendering its lazy self // fire off the initial update ancestorComponent['s-rc'].push(schedule); } else { schedule(); } }; const fireConnectedCallback = (instance) => { { safeCall(instance, 'connectedCallback'); } }; const connectedCallback = (elm) => { if ((plt.$flags$ & 1 /* isTmpDisconnected */) === 0) { const hostRef = getHostRef(elm); const cmpMeta = hostRef.$cmpMeta$; const endConnected = createTime('connectedCallback', cmpMeta.$tagName$); if (!(hostRef.$flags$ & 1 /* hasConnected */)) { // first time this component has connected hostRef.$flags$ |= 1 /* hasConnected */; { // find the first ancestor component (if there is one) and register // this component as one of the actively loading child components for its ancestor let ancestorComponent = elm; while ((ancestorComponent = ancestorComponent.parentNode || ancestorComponent.host)) { // climb up the ancestors looking for the first // component that hasn't finished its lifecycle update yet if (ancestorComponent['s-p']) { // we found this components first ancestor component // keep a reference to this component's ancestor component attachToAncestor(hostRef, (hostRef.$ancestorComponent$ = ancestorComponent)); break; } } } // Lazy properties // https://developers.google.com/web/fundamentals/web-components/best-practices#lazy-properties if (cmpMeta.$members$) { Object.entries(cmpMeta.$members$).map(([memberName, [memberFlags]]) => { if (memberFlags & 31 /* Prop */ && elm.hasOwnProperty(memberName)) { const value = elm[memberName]; delete elm[memberName]; elm[memberName] = value; } }); } { initializeComponent(elm, hostRef, cmpMeta); } } else { // not the first time this has connected // reattach any event listeners to the host // since they would have been removed when disconnected addHostEventListeners(elm, hostRef, cmpMeta.$listeners$); // fire off connectedCallback() on component instance fireConnectedCallback(hostRef.$lazyInstance$); } endConnected(); } }; const disconnectedCallback = (elm) => { if ((plt.$flags$ & 1 /* isTmpDisconnected */) === 0) { const hostRef = getHostRef(elm); const instance = hostRef.$lazyInstance$ ; { if (hostRef.$rmListeners$) { hostRef.$rmListeners$.map((rmListener) => rmListener()); hostRef.$rmListeners$ = undefined; } } { safeCall(instance, 'disconnectedCallback'); } } }; const bootstrapLazy = (lazyBundles, options = {}) => { const endBootstrap = createTime(); const cmpTags = []; const exclude = options.exclude || []; const customElements = win.customElements; const head = doc.head; const metaCharset = /*@__PURE__*/ head.querySelector('meta[charset]'); const visibilityStyle = /*@__PURE__*/ doc.createElement('style'); const deferredConnectedCallbacks = []; let appLoadFallback; let isBootstrapping = true; Object.assign(plt, options); plt.$resourcesUrl$ = new URL(options.resourcesUrl || './', doc.baseURI).href; lazyBundles.map((lazyBundle) => { lazyBundle[1].map((compactMeta) => { const cmpMeta = { $flags$: compactMeta[0], $tagName$: compactMeta[1], $members$: compactMeta[2], $listeners$: compactMeta[3], }; { cmpMeta.$members$ = compactMeta[2]; } { cmpMeta.$listeners$ = compactMeta[3]; } { cmpMeta.$attrsToReflect$ = []; } { cmpMeta.$watchers$ = {}; } const tagName = cmpMeta.$tagName$; const HostElement = class extends HTMLElement { // StencilLazyHost constructor(self) { // @ts-ignore super(self); self = this; registerHost(self, cmpMeta); if (cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */) { // this component is using shadow dom // and this browser supports shadow dom // add the read-only property "shadowRoot" to the host element // adding the shadow root build conditionals to minimize runtime { { self.attachShadow({ mode: 'open' }); } } } } connectedCallback() { if (appLoadFallback) { clearTimeout(appLoadFallback); appLoadFallback = null; } if (isBootstrapping