@stencil/core
Version:
A Compiler for Web Components and Progressive Web Apps
1,221 lines (1,200 loc) • 95.2 kB
JavaScript
import { BUILD, NAMESPACE } from '@stencil/core/build-conditionals';
const win = window;
const doc = document;
const H = HTMLElement;
const plt = {
$flags$: 0,
$resourcesUrl$: '',
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 = (BUILD.shadowDom) ? !!doc.documentElement.attachShadow : false;
const supportsListenerOptions = /*@__PURE__*/ (() => {
let supportsListenerOptions = false;
try {
doc.addEventListener('e', null, Object.defineProperty({}, 'passive', {
get() { supportsListenerOptions = true; }
}));
}
catch (e) { }
return supportsListenerOptions;
})();
const supportsConstructibleStylesheets = BUILD.constructableCSS ? /*@__PURE__*/ (() => {
try {
new CSSStyleSheet();
return true;
}
catch (e) { }
return false;
})() : false;
const Context = {};
const hostRefs = new WeakMap();
const getHostRef = (ref) => hostRefs.get(ref);
const registerInstance = (lazyInstance, hostRef) => hostRefs.set(hostRef.$lazyInstance$ = lazyInstance, hostRef);
const registerHost = (elm) => {
if (BUILD.lazyLoad) {
const hostRef = {
$flags$: 0,
$hostElement$: elm,
$instanceValues$: new Map()
};
hostRef.$onReadyPromise$ = new Promise(r => hostRef.$onReadyResolve$ = r);
return hostRefs.set(elm, hostRef);
}
else {
return hostRefs.set(elm, {
$flags$: 0,
$instanceValues$: new Map()
});
}
};
const isMemberInElement = (elm, memberName) => memberName in elm;
const consoleError = (e) => console.error(e);
const loadModule = (cmpMeta, hostRef, hmrVersionId) => {
// loadModuleImport
const bundleId = (BUILD.mode && typeof cmpMeta.$lazyBundleIds$ !== 'string')
? cmpMeta.$lazyBundleIds$[hostRef.$modeName$]
: cmpMeta.$lazyBundleIds$;
return import(
/* webpackInclude: /\.entry\.js$/ */
/* webpackExclude: /\.system\.entry\.js$/ */
/* webpackMode: "lazy" */
`./${bundleId}.entry.js${BUILD.hotModuleReplacement && hmrVersionId ? '?s-hmr=' + hmrVersionId : ''}`).then(importedModule => importedModule[cmpMeta.$tagName$.replace(/-/g, '_')], consoleError);
};
const styles = new Map();
const cssVarShim = BUILD.cssVarShim ? /*@__PURE__*/ win.__stencil_cssshim : false;
let queueCongestion = 0;
let queuePending = false;
const queueDomReads = [];
const queueDomWrites = [];
const queueDomWritesLow = [];
const queueTask = (queue) => (cb) => {
// queue dom reads
queue.push(cb);
if (!queuePending) {
queuePending = true;
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() + (7 * 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 readTask = /*@__PURE__*/ queueTask(queueDomReads);
const writeTask = /*@__PURE__*/ queueTask(queueDomWrites);
const Build = {
isDev: BUILD.isDev ? true : false,
isBrowser: true
};
/**
* 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 isDef = (v) => v != null;
const toLowerCase = (str) => str.toLowerCase();
const isComplexType = (o) => ['object', 'function'].includes(typeof o);
function getDynamicImportFunction(namespace) {
return `__sc_import_${namespace.replace(/\s|-/g, '_')}`;
}
const patchEsm = () => {
// @ts-ignore
if (!(win.CSS && win.CSS.supports && win.CSS.supports('color', 'var(--c)'))) {
// @ts-ignore
return import('./css-shim-3ea8955c.js');
}
return Promise.resolve();
};
const patchBrowser = async () => {
// @ts-ignore
const importMeta = import.meta.url;
if (importMeta !== '') {
return Promise.resolve(new URL('.', importMeta).href);
}
else {
const scriptElm = Array.from(doc.querySelectorAll('script')).find(s => (s.src.includes(`/${NAMESPACE}.esm.js`) ||
s.getAttribute('data-namespace') === NAMESPACE));
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 import('./dom-a0c82e31.js');
}
return resourcesUrl.href;
}
};
const patchDynamicImport = (base) => {
const importFunctionName = getDynamicImportFunction(NAMESPACE);
try {
win[importFunctionName] = new Function('w', 'return import(w);');
}
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 CONTENT_REF_ID = 'r';
const ORG_LOCATION_ID = 'o';
const SLOT_NODE_ID = 's';
const TEXT_NODE_ID = 't';
const HYDRATED_CLASS = 'hydrated';
const HYDRATE_ID = 's-id';
const HYDRATE_CHILD_ID = 'c-id';
const XLINK_NS = 'http://www.w3.org/1999/xlink';
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.$tagName$, mode);
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 (BUILD.mode && !style) {
scopeId = getScopeId(cmpMeta.$tagName$);
style = styles.get(scopeId);
}
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 (BUILD.hydrateClientSide && styleContainerNode.host && (styleElm = styleContainerNode.firstElementChild) && styleElm.tagName === 'STYLE') {
// This is only happening on native shadow-dom, do not needs CSS var shim
styleElm.innerHTML = style;
}
else {
if (cssVarShim) {
styleElm = cssVarShim.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.innerHTML = style;
}
if (BUILD.hydrateServerSide || BUILD.hotModuleReplacement) {
styleElm.setAttribute(HYDRATE_ID, scopeId);
}
styleContainerNode.insertBefore(styleElm, styleContainerNode.querySelector('link'));
}
if (appliedStyles) {
appliedStyles.add(scopeId);
}
}
}
else if (BUILD.constructableCSS && !styleContainerNode.adoptedStyleSheets.includes(style)) {
styleContainerNode.adoptedStyleSheets = [
...styleContainerNode.adoptedStyleSheets,
style
];
}
}
return scopeId;
};
const attachStyles = (elm, cmpMeta, mode) => {
const styleId = addStyle((BUILD.shadowDom && supportsShadowDom && elm.shadowRoot)
? elm.shadowRoot
: elm.getRootNode(), cmpMeta, mode, elm);
if ((BUILD.shadowDom || BUILD.scoped) && BUILD.cssAnnotations && 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'] = styleId;
elm.classList.add(styleId + '-h');
if (BUILD.scoped && cmpMeta.$flags$ & 2 /* scopedCssEncapsulation */) {
elm.classList.add(styleId + '-s');
}
}
};
const getScopeId = (tagName, mode) => 'sc-' + ((BUILD.mode && mode) ? tagName + '-' + mode : tagName);
const convertScopedToShadow = (css) => css.replace(/\/\*!@([^\/]+)\*\/[^\{]+\{/g, '$1{');
/**
* Production h() function based on Preact by
* Jason Miller (@developit)
* Licensed under the MIT License
* https://github.com/developit/preact/blob/master/LICENSE
*
* Modified for Stencil's compiler and vdom
*/
// const stack: any[] = [];
// export function h(nodeName: string | d.FunctionalComponent, vnodeData: d.PropsType, child?: d.ChildType): d.VNode;
// export function h(nodeName: string | d.FunctionalComponent, vnodeData: d.PropsType, ...children: d.ChildType[]): d.VNode;
const h = (nodeName, vnodeData, ...children) => {
let child = null;
let simple = false;
let lastSimple = false;
let key;
let slotName;
let vNodeChildren = [];
const walk = (c) => {
for (let i = 0; i < c.length; i++) {
child = c[i];
if (Array.isArray(child)) {
walk(child);
}
else if (child != null && typeof child !== 'boolean') {
if (simple = typeof nodeName !== 'function' && !isComplexType(child)) {
child = String(child);
}
if (simple && lastSimple) {
// If the previous child was simple (string), we merge both
vNodeChildren[vNodeChildren.length - 1].$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 (BUILD.vdomAttribute && vnodeData) {
// normalize class / classname attributes
if (BUILD.vdomKey) {
key = vnodeData.key || undefined;
}
if (BUILD.slotRelocation) {
slotName = vnodeData.name;
}
if (BUILD.vdomClass) {
const classData = vnodeData.className || vnodeData.class;
if (classData) {
vnodeData.class = typeof classData !== 'object'
? classData
: Object.keys(classData)
.filter(k => classData[k])
.join(' ');
}
}
}
if (BUILD.isDev && vNodeChildren.some(isHost)) {
throw new Error(`The <Host> must be the single root component. Make sure:
- You are NOT using hostData() and <Host> in the same component.
- <Host> is used once, and it's the single root component of the render() function.`);
}
if (BUILD.vdomFunctional && typeof nodeName === 'function') {
// nodeName is a functional component
return nodeName(vnodeData, vNodeChildren, vdomFnUtils);
}
const vnode = {
$flags$: 0,
$tag$: nodeName,
$children$: vNodeChildren.length > 0 ? vNodeChildren : null,
$elm$: undefined,
$attrs$: vnodeData,
};
if (BUILD.vdomKey) {
vnode.$key$ = key;
}
if (BUILD.slotRelocation) {
vnode.$name$ = slotName;
}
return vnode;
};
const Host = {};
const isHost = (node) => {
return 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) => {
return {
vattrs: node.$attrs$,
vchildren: node.$children$,
vkey: node.$key$,
vname: node.$name$,
vtag: node.$tag$,
vtext: node.$text$
};
};
const convertToPrivate = (node) => {
return {
$flags$: 0,
$attrs$: node.vattrs,
$children$: node.vchildren,
$key$: node.vkey,
$name$: node.vname,
$tag$: node.vtag,
$text$: node.vtext
};
};
/**
* 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;
}
if (BUILD.vdomClass && memberName === 'class' && !isSvg) {
// Class
if (BUILD.updatable) {
const oldList = parseClassList(oldValue);
const baseList = parseClassList(elm.className).filter(item => !oldList.includes(item));
elm.className = baseList.concat(parseClassList(newValue).filter(item => !baseList.includes(item))).join(' ');
}
else {
elm.className = newValue;
}
}
else if (BUILD.vdomStyle && memberName === 'style') {
// update style attribute, css properties and values
if (BUILD.updatable) {
for (const prop in oldValue) {
if (!newValue || newValue[prop] == null) {
if (!BUILD.hydrateServerSide && prop.includes('-')) {
elm.style.removeProperty(prop);
}
else {
elm.style[prop] = '';
}
}
}
}
for (const prop in newValue) {
if (!oldValue || newValue[prop] !== oldValue[prop]) {
if (!BUILD.hydrateServerSide && prop.includes('-')) {
elm.style.setProperty(prop, newValue[prop]);
}
else {
elm.style[prop] = newValue[prop];
}
}
}
}
else if (BUILD.vdomKey && memberName === 'key') ;
else if (BUILD.vdomRef && memberName === 'ref') {
// minifier will clean this up
if (newValue) {
newValue(elm);
}
}
else if (BUILD.vdomListener && memberName.startsWith('on') && !isMemberInElement(elm, memberName)) {
// 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 (isMemberInElement(elm, toLowerCase(memberName))) {
// 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 = toLowerCase(memberName.substring(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 = toLowerCase(memberName[2]) + memberName.substring(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 isProp = isMemberInElement(elm, memberName);
const isComplex = isComplexType(newValue);
if ((isProp || (isComplex && newValue !== null)) && !isSvg) {
try {
elm[memberName] = newValue == null && elm.tagName.indexOf('-') === -1 ? '' : 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'.
*/
const isXlinkNs = BUILD.svg && isSvg && (memberName !== (memberName = memberName.replace(/^xlink\:?/, ''))) ? true : false;
if (newValue == null || newValue === false) {
if (isXlinkNs) {
elm.removeAttributeNS(XLINK_NS, toLowerCase(memberName));
}
else {
elm.removeAttribute(memberName);
}
}
else if ((!isProp || (flags & 4 /* isHost */) || isSvg) && !isComplex) {
newValue = newValue === true ? '' : newValue.toString();
if (isXlinkNs) {
elm.setAttributeNS(XLINK_NS, toLowerCase(memberName), newValue);
}
else {
elm.setAttribute(memberName, newValue);
}
}
}
};
const parseClassList = (value) => (!value) ? [] : value.split(' ');
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;
if (BUILD.updatable) {
// remove attributes no longer present on the vnode by setting them to undefined
for (memberName in oldVnodeAttrs) {
if (newVnodeAttrs[memberName] == null && oldVnodeAttrs[memberName] != null) {
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.$flags$);
}
};
let scopeId;
let contentRef;
let hostTagName;
let useNativeShadowDom = false;
let checkSlotFallbackVisibility = false;
let checkSlotRelocate = false;
let isSvgMode = false;
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 (BUILD.slotRelocation && !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 (BUILD.isDev && newVNode.$elm$) {
consoleError(`The JSX ${isDef(newVNode.$text$) ? `"${newVNode.$text$}" text` : `"${newVNode.$tag$}" element`} node should not be shared within the same renderer. The renderer caches element lookups in order to improve performance. However, a side effect from this is that the exact same JSX node should not be reused. For more information please see https://stenciljs.com/docs/templating-jsx#avoid-shared-jsx-nodes`);
}
if (isDef(newVNode.$text$)) {
// create text node
newVNode.$elm$ = doc.createTextNode(newVNode.$text$);
}
else if (BUILD.slotRelocation && newVNode.$flags$ & 1 /* isSlotReference */) {
// create a slot reference node
newVNode.$elm$ = (BUILD.isDebug || BUILD.hydrateServerSide) ? doc.createComment(`slot-reference:${hostTagName}`) : doc.createTextNode('');
}
else {
// create element
elm = newVNode.$elm$ = ((BUILD.svg && (isSvgMode || newVNode.$tag$ === 'svg'))
? doc.createElementNS(SVG_NS, newVNode.$tag$)
: doc.createElement((BUILD.slotRelocation && newVNode.$flags$ & 2 /* isSlotFallback */) ? 'slot-fb' : newVNode.$tag$));
if (BUILD.svg) {
isSvgMode = newVNode.$tag$ === 'svg' ? true : (newVNode.$tag$ === 'foreignObject' ? false : isSvgMode);
}
// add css classes, attrs, props, listeners, etc.
if (BUILD.vdomAttribute) {
updateElement(null, newVNode, isSvgMode);
}
if ((BUILD.shadowDom || BUILD.scoped) && 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 (BUILD.svg && newVNode.$tag$ === 'svg') {
// Only reset the SVG context when we're exiting SVG element
isSvgMode = false;
}
}
if (BUILD.slotRelocation) {
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 = ((BUILD.slotRelocation && parentElm['s-cr'] && parentElm['s-cr'].parentNode) || parentElm);
let childNode;
if (BUILD.shadowDom && containerElm.shadowRoot && toLowerCase(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, BUILD.slotRelocation ? referenceNode(before) : before);
}
}
}
};
const removeVnodes = (vnodes, startIdx, endIdx, elm) => {
for (; startIdx <= endIdx; ++startIdx) {
if (isDef(vnodes[startIdx])) {
elm = vnodes[startIdx].$elm$;
callNodeRefs(vnodes[startIdx], true);
if (BUILD.slotRelocation) {
// 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 (BUILD.slotRelocation && (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 (BUILD.slotRelocation && (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;
if (BUILD.vdomKey) {
for (i = oldStartIdx; i <= oldEndIdx; ++i) {
if (oldCh[i] && isDef(oldCh[i].$key$) && oldCh[i].$key$ === newStartVnode.$key$) {
idxInOld = i;
break;
}
}
}
if (BUILD.vdomKey && 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) {
if (BUILD.slotRelocation) {
parentReferenceNode(oldStartVnode.$elm$).insertBefore(node, referenceNode(oldStartVnode.$elm$));
}
else {
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 (BUILD.updatable && 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 (BUILD.slotRelocation && vnode1.$tag$ === 'slot') {
return vnode1.$name$ === vnode2.$name$;
}
if (BUILD.vdomKey) {
return vnode1.$key$ === vnode2.$key$;
}
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 (BUILD.svg) {
// 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 = elm &&
isDef(elm.parentNode) &&
elm.ownerSVGElement !== undefined;
isSvgMode = newVNode.$tag$ === 'svg' ? true : (newVNode.$tag$ === 'foreignObject' ? false : isSvgMode);
}
if (!isDef(newVNode.$text$)) {
// element node
if (BUILD.vdomAttribute) {
if (BUILD.slot && 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 (BUILD.updatable && 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 (BUILD.updatable && BUILD.vdomText && 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 (BUILD.updatable && isDef(oldChildren)) {
// no new child vnodes, but there are old child vnodes to remove
removeVnodes(oldChildren, 0, oldChildren.length - 1);
}
}
else if (BUILD.vdomText && BUILD.slotRelocation && (defaultHolder = elm['s-cr'])) {
// this element has slotted content
defaultHolder.parentNode.textContent = newVNode.$text$;
}
else if (BUILD.vdomText && 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.$text$;
}
if (BUILD.svg && isSvgMode && newVNode.$tag$ === 'svg') {
isSvgMode = false;
}
};
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 callNodeRefs = (vNode, isDestroy) => {
if (BUILD.vdomRef && vNode) {
vNode.$attrs$ && vNode.$attrs$.ref && vNode.$attrs$.ref(isDestroy ? null : vNode.$elm$);
vNode.$children$ && vNode.$children$.forEach(vChild => {
callNodeRefs(vChild, isDestroy);
});
}
};
const renderVdom = (hostElm, hostRef, cmpMeta, renderFnResults) => {
hostTagName = toLowerCase(hostElm.tagName);
// <Host> runtime check
if (BUILD.isDev && Array.isArray(renderFnResults) && renderFnResults.some(isHost)) {
throw new Error(`The <Host> must be the single root component.
Looks like the render() function of "${hostTagName}" is returning an array that contains the <Host>.
The render() function should look like this instead:
render() {
// Do not return an array
return (
<Host>{content}</Host>
);
}
`);
}
const oldVNode = hostRef.$vnode$ || { $flags$: 0 };
const rootVnode = isHost(renderFnResults)
? renderFnResults
: h(null, null, renderFnResults);
if (BUILD.reflect && cmpMeta.$attrsToReflect$) {
rootVnode.$attrs$ = rootVnode.$attrs$ || {};
cmpMeta.$attrsToReflect$.forEach(([propName, attribute]) => rootVnode.$attrs$[attribute] = hostElm[propName]);
}
rootVnode.$tag$ = null;
rootVnode.$flags$ |= 4 /* isHost */;
hostRef.$vnode$ = rootVnode;
rootVnode.$elm$ = oldVNode.$elm$ = (BUILD.shadowDom ? hostElm.shadowRoot || hostElm : hostElm);
if (BUILD.scoped || BUILD.shadowDom) {
scopeId = hostElm['s-sc'];
}
if (BUILD.slotRelocation) {
contentRef = hostElm['s-cr'];
useNativeShadowDom = supportsShadowDom && (cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */) !== 0;
// always reset
checkSlotRelocate = checkSlotFallbackVisibility = false;
}
// synchronous patch
patch(oldVNode, rootVnode);
if (BUILD.slotRelocation) {
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 = (BUILD.isDebug || BUILD.hydrateServerSide)
? doc.createComment(`org-loc`)
: 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 safeCall = async (instance, method) => {
if (instance && instance[method]) {
try {
await instance[method]();
}
catch (e) {
consoleError(e);
}
}
};
const scheduleUpdate = async (elm, hostRef, cmpMeta, isInitialLoad) => {
if (BUILD.taskQueue && BUILD.updatable) {
hostRef.$flags$ |= 16 /* isQueuedForUpdate */;
}
const instance = BUILD.lazyLoad ? hostRef.$lazyInstance$ : elm;
if (isInitialLoad) {
if (BUILD.watchCallback) {
hostRef.$flags$ |= 128 /* isWatchReady */;
}
emitLifecycleEvent(elm, 'componentWillLoad');
if (BUILD.cmpWillLoad) {
await safeCall(instance, 'componentWillLoad');
}
}
else {
emitLifecycleEvent(elm, 'componentWillUpdate');
if (BUILD.cmpWillUpdate) {
await safeCall(instance, 'componentWillUpdate');
}
}
emitLifecycleEvent(elm, 'componentWillRender');
if (BUILD.cmpWillRender) {
await safeCall(instance, 'componentWillRender');
}
// there is no ancestorc omponent or the ancestor component
// has already fired off its lifecycle update then
// fire off the initial update
if (BUILD.taskQueue) {
writeTask(() => updateComponent(elm, hostRef, cmpMeta, instance, isInitialLoad));
}
else {
// syncronuously write DOM
updateComponent(elm, hostRef, cmpMeta, instance, isInitialLoad);
}
};
const updateComponent = (elm, hostRef, cmpMeta, instance, isInitialLoad) => {
// updateComponent
if (BUILD.updatable && BUILD.taskQueue) {
hostRef.$flags$ &= ~16 /* isQueuedForUpdate */;
}
if (BUILD.lifecycle && BUILD.lazyLoad) {
elm['s-lr'] = false;
}
if (BUILD.style && isInitialLoad) {
// DOM WRITE!
attachStyles(elm, cmpMeta, hostRef.$modeName$);
}
if (BUILD.hasRenderFn || BUILD.reflect) {
if (BUILD.vdomRender || BUILD.reflect) {
// 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, (BUILD.allRenderFn) ? instance.render() : (instance.render && instance.render()));
}
catch (e) {
consoleError(e);
}
hostRef.$flags$ &= ~4 /* isActiveRender */;
}
else {
elm.textContent = (BUILD.allRenderFn) ? instance.render() : (instance.render && instance.render());
}
}
if (cssVarShim) {
cssVarShim.updateHost(elm);
}
if (BUILD.hydrateServerSide) {
try {
// manually connected child components during server-side hydrate
serverSideConnected(elm);
if (isInitialLoad && (cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */)) {
// using only during server-side hydrate
elm['s-sd'] = true;
}
}
catch (e) {
consoleError(e);
}
}
// set that this component lifecycle rendering has completed
if (BUILD.lifecycle && BUILD.lazyLoad) {
elm['s-lr'] = true;
}
if (BUILD.updat