@sutton-signwriting/sgnw-components/dist/esm/index-f826a15c.js

const NAMESPACE = 'sgnw-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 CSS =  win.CSS ;
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 supportsShadow =  /*@__PURE__*/ (() => (doc.head.attachShadow + '').indexOf('[native') > -1)() ;
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) => {
    {
        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]);
        }
    }
};
// prettier-ignore
const hostListenerOpts = (flags) =>  (flags & 2 /* Capture */) !== 0;
const HYDRATED_CSS = '{visibility:hidden}.hydrated{visibility:inherit}';
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)) {
                {
                    if ( plt.$cssShim$) {
                        styleElm = plt.$cssShim$.createHostStyle(hostElm, scopeId, style, !!(cmpMeta.$flags$ & 10 /* needsScopedEncapsulation */));
                        const newScopeId = styleElm['s-sc'];
                        if (newScopeId) {
                            scopeId = newScopeId;
                            // we don't want to add this styleID to the appliedStyles Set
                            // since the cssVarShim might need to apply several different
                            // stylesheets for the same component
                            appliedStyles = null;
                        }
                    }
                    else {
                        styleElm = doc.createElement('style');
                        styleElm.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( supportsShadow && elm.shadowRoot ? elm.shadowRoot : elm.getRootNode(), cmpMeta, hostRef.$modeName$, elm);
    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 = {};
const isDef = (v) => v != null;
const noop = () => {
    /* noop*/
};
const isComplexType = (o) => {
    // https://jsperf.com/typeof-fn-object/5
    o = typeof o;
    return o === 'object' || o === 'function';
};
const IS_DENO_ENV = typeof Deno !== 'undefined';
const IS_NODE_ENV = !IS_DENO_ENV &&
    typeof global !== 'undefined' &&
    typeof require === 'function' &&
    !!global.process &&
    typeof __filename === 'string' &&
    (!global.origin || typeof global.origin !== 'string');
const IS_DENO_WINDOWS_ENV = IS_DENO_ENV && Deno.build.os === 'windows';
const getCurrentDirectory = IS_NODE_ENV ? process.cwd : IS_DENO_ENV ? Deno.cwd : () => '/';
const exit = IS_NODE_ENV ? process.exit : IS_DENO_ENV ? Deno.exit : noop;
/**
 * 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 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) {
        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(' ');
            }
        }
    }
    const vnode = newVNode(nodeName, null);
    vnode.$attrs$ = vnodeData;
    if (vNodeChildren.length > 0) {
        vnode.$children$ = vNodeChildren;
    }
    {
        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.$name$ = null;
    }
    return vnode;
};
const Host = {};
const isHost = (node) => node && node.$tag$ === Host;
/**
 * Production setAccessor() function based on Preact by
 * Jason Miller (@developit)
 * Licensed under the MIT License
 * https://github.com/developit/preact/blob/master/LICENSE
 *
 * Modified for Stencil's compiler and vdom
 */
const setAccessor = (elm, memberName, oldValue, newValue, isSvg, flags) => {
    if (oldValue !== newValue) {
        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 ( ( !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) { }
            }
            if (newValue == null || newValue === false) {
                if (newValue !== false || elm.getAttribute(memberName) === '') {
                    {
                        elm.removeAttribute(memberName);
                    }
                }
            }
            else if ((!isProp || flags & 4 /* isHost */ || isSvg) && !isComplex) {
                newValue = newValue === true ? '' : newValue;
                {
                    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 {
        // create element
        elm = newVNode.$elm$ = ( doc.createElement( newVNode.$flags$ & 2 /* isSlotFallback */ ? 'slot-fb' : newVNode.$tag$));
        // add css classes, attrs, props, listeners, etc.
        {
            updateElement(null, newVNode, isSvgMode);
        }
        if ( isDef(scopeId) && elm['s-si'] !== scopeId) {
            // if there is a scopeId and this is the initial render
            // then let's add the scopeId as a css class
            elm.classList.add((elm['s-si'] = scopeId));
        }
        if (newVNode.$children$) {
            for (i = 0; i < newVNode.$children$.length; ++i) {
                // create the node
                childNode = createElm(oldParentVNode, newVNode, i, elm);
                // return node could have been null
                if (childNode) {
                    // append our new node
                    elm.appendChild(childNode);
                }
            }
        }
    }
    {
        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.$elm$;
            {
                // we're removing this element
                // so it's possible we need to show slot fallback content now
                checkSlotFallbackVisibility = true;
                if (elm['s-ol']) {
                    // remove the original location comment
                    elm['s-ol'].remove();
                }
                else {
                    // it's possible that child nodes of the node
                    // that's being removed are slot nodes
                    putBackInOriginalLocation(elm, true);
                }
            }
            // remove the vnode's element from the dom
            elm.remove();
        }
    }
};
const updateChildren = (parentElm, oldCh, newVNode, newCh) => {
    let oldStartIdx = 0;
    let newStartIdx = 0;
    let oldEndIdx = oldCh.length - 1;
    let oldStartVnode = oldCh[0];
    let oldEndVnode = oldCh[oldEndIdx];
    let newEndIdx = newCh.length - 1;
    let newStartVnode = newCh[0];
    let newEndVnode = newCh[newEndIdx];
    let node;
    while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
        if (oldStartVnode == null) {
            // Vnode might have been moved left
            oldStartVnode = oldCh[++oldStartIdx];
        }
        else if (oldEndVnode == null) {
            oldEndVnode = oldCh[--oldEndIdx];
        }
        else if (newStartVnode == null) {
            newStartVnode = newCh[++newStartIdx];
        }
        else if (newEndVnode == null) {
            newEndVnode = newCh[--newEndIdx];
        }
        else if (isSameVnode(oldStartVnode, newStartVnode)) {
            patch(oldStartVnode, newStartVnode);
            oldStartVnode = oldCh[++oldStartIdx];
            newStartVnode = newCh[++newStartIdx];
        }
        else if (isSameVnode(oldEndVnode, newEndVnode)) {
            patch(oldEndVnode, newEndVnode);
            oldEndVnode = oldCh[--oldEndIdx];
            newEndVnode = newCh[--newEndIdx];
        }
        else if (isSameVnode(oldStartVnode, newEndVnode)) {
            // Vnode moved right
            if ( (oldStartVnode.$tag$ === 'slot' || newEndVnode.$tag$ === 'slot')) {
                putBackInOriginalLocation(oldStartVnode.$elm$.parentNode, false);
            }
            patch(oldStartVnode, newEndVnode);
            parentElm.insertBefore(oldStartVnode.$elm$, oldEndVnode.$elm$.nextSibling);
            oldStartVnode = oldCh[++oldStartIdx];
            newEndVnode = newCh[--newEndIdx];
        }
        else if (isSameVnode(oldEndVnode, newStartVnode)) {
            // Vnode moved left
            if ( (oldStartVnode.$tag$ === 'slot' || newEndVnode.$tag$ === 'slot')) {
                putBackInOriginalLocation(oldEndVnode.$elm$.parentNode, false);
            }
            patch(oldEndVnode, newStartVnode);
            parentElm.insertBefore(oldEndVnode.$elm$, oldStartVnode.$elm$);
            oldEndVnode = oldCh[--oldEndIdx];
            newStartVnode = newCh[++newStartIdx];
        }
        else {
            {
                // new element
                node = createElm(oldCh && oldCh[newStartIdx], newVNode, newStartIdx, parentElm);
                newStartVnode = newCh[++newStartIdx];
            }
            if (node) {
                {
                    parentReferenceNode(oldStartVnode.$elm$).insertBefore(node, referenceNode(oldStartVnode.$elm$));
                }
            }
        }
    }
    if (oldStartIdx > oldEndIdx) {
        addVnodes(parentElm, newCh[newEndIdx + 1] == null ? null : newCh[newEndIdx + 1].$elm$, newVNode, newCh, newStartIdx, newEndIdx);
    }
    else if ( newStartIdx > newEndIdx) {
        removeVnodes(oldCh, oldStartIdx, oldEndIdx);
    }
};
const isSameVnode = (vnode1, vnode2) => {
    // compare if two vnode to see if they're "technically" the same
    // need to have the same element tag, and same key to be the same
    if (vnode1.$tag$ === vnode2.$tag$) {
        if ( vnode1.$tag$ === 'slot') {
            return vnode1.$name$ === vnode2.$name$;
        }
        return true;
    }
    return false;
};
const referenceNode = (node) => {
    // this node was relocated to a new location in the dom
    // because of some other component's slot
    // but we still have an html comment in place of where
    // it's original location was according to it's original vdom
    return (node && node['s-ol']) || node;
};
const parentReferenceNode = (node) => (node['s-ol'] ? node['s-ol'] : node).parentNode;
const patch = (oldVNode, newVNode) => {
    const elm = (newVNode.$elm$ = oldVNode.$elm$);
    const oldChildren = oldVNode.$children$;
    const newChildren = newVNode.$children$;
    const tag = newVNode.$tag$;
    const text = newVNode.$text$;
    let defaultHolder;
    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 ( (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 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 = supportsShadow && (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 ancestorc omponent 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 = (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 ( plt.$cssShim$) {
        plt.$cssShim$.updateHost(elm);
    }
    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() ;
        {
            hostRef.$flags$ &= ~16 /* isQueuedForUpdate */;
        }
        {
            hostRef.$flags$ |= 2 /* hasRendered */;
        }
    }
    catch (e) {
        consoleError(e);
    }
    return instance;
};
const postUpdateComponent = (hostRef) => {
    const tagName = hostRef.$cmpMeta$.$tagName$;
    const elm = hostRef.$hostElement$;
    const endPostUpdate = createTime('postUpdate', tagName);
    const ancestorComponent = hostRef.$ancestorComponent$;
    if (!(hostRef.$flags$ & 64 /* hasLoadedComponent */)) {
        hostRef.$flags$ |= 64 /* hasLoadedComponent */;
        {
            // DOM WRITE!
            addHydratedFlag(elm);
        }
        endPostUpdate();
        {
            hostRef.$onReadyResolve$(elm);
            if (!ancestorComponent) {
                appDidLoad();
            }
        }
    }
    else {
        endPostUpdate();
    }
    // 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 & 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 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);
                        }
                    });
                }
            }
            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,
                });
            }
        });
        if ( ( flags & 1 /* isElementConstructor */)) {
            const attrNameToPropName = new Map();
            prototype.attributeChangedCallback = function (attrName, _oldValue, newValue) {
                plt.jmp(() => {
                    const propName = attrNameToPropName.get(attrName);
                    this[propName] = newValue === null && typeof this[propName] === 'boolean' ? false : newValue;
                });
            };
            // create an array of attributes to observe
            // and also create a map of html attribute name to js property name
            Cstr.observedAttributes = members
                .filter(([_, m]) => m[0] & 15 /* HasAttribute */) // filter to only keep props that should match attributes
                .map(([propName, m]) => {
                const attrName = m[1] || propName;
                attrNameToPropName.set(attrName, propName);
                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'eve never proxied this Constructor before
                // let's add the getters/setters to its prototype before
                // the first time we create an instance of the implementation
                {
                    cmpMeta.$watchers$ = Cstr.watchers;
                }
                proxyComponent(Cstr, cmpMeta, 2 /* proxyState */);
                Cstr.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.$tagName$);
                if ( cmpMeta.$flags$ & 8 /* needsShadowDomShim */) {
                    style = await import('./shadow-css-a471cd43.js').then(m => m.scopeCss(style, scopeId, false));
                }
                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 intial 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 */;
            {
                // initUpdate
                // if the slot polyfill is required we'll need to put some nodes
                // in here to act as original content anchors as we move nodes around
                // host element has been connected to the DOM
                if ( ( cmpMeta.$flags$ & (4 /* hasSlotRelocation */ | 8 /* needsShadowDomShim */))) {
                    setContentReference(elm);
                }
            }
            {
                // 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;
                    }
                });
            }
            {
                // connectedCallback, taskQueue, initialLoad
                // angular sets attribute AFTER connectCallback
                // https://github.com/angular/angular/issues/18909
                // https://github.com/angular/angular/issues/19940
                nextTick(() => 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 setContentReference = (elm) => {
    // 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
    const contentRefElm = (elm['s-cr'] = doc.createComment( ''));
    contentRefElm['s-cn'] = true;
    elm.insertBefore(contentRefElm, elm.firstChild);
};
const disconnectedCallback = (elm) => {
    if ((plt.$flags$ & 1 /* isTmpDisconnected */) === 0) {
        const hostRef = getHostRef(elm);
        {
            if (hostRef.$rmListeners$) {
                hostRef.$rmListeners$.map(rmListener => rmListener());
                hostRef.$rmListeners$ = undefined;
            }
        }
        // clear CSS var-shim tracking
        if ( plt.$cssShim$) {
            plt.$cssShim$.removeHost(elm);
        }
    }
};
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.$watchers$ = {};
        }
        if ( !supportsShadow && cmpMeta.$flags$ & 1 /* shadowDomEncapsulation */) {
            cmpMeta.$flags$ |= 8 /* needsShadowDomShim */;
        }
        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
                    if (supportsShadow) {
                        {
                            self.attachShadow({ mode: 'open' });
                        }
                    }
                    else if ( !('shadowRoot' in self)) {
                        self.shadowRoot = self;
                    }
                }
            }
            connectedCallback() {
                if (appLoadFallback) {
                    clearTimeout(appLoadFallback);
                    appLoadFallback = null;
                }
                if (isBootstrapping) {
                    // connectedCallback will be processed once all components have been registered
                    deferredConnectedCallbacks.push(this);
                }
                else {
                    plt.jmp(() => connectedCallback(this));
                }
            }
            disconnectedCallback() {
                plt.jmp(() => disconnectedCallback(this));
            }
            forceUpdate() {
                forceUpdate(this);
            }
            componentOnReady() {
                return getHostRef(this).$onReadyPromise$;
            }
        };
        cmpMeta.$lazyBundleId$ = lazyBundle[0];
        if (!exclude.includes(tagName) && !customElements.get(tagName)) {
            cmpTags.push(tagName);
            customElements.define(tagName, proxyComponent(HostElement, cmpMeta, 1 /* isElementConstructor */));
        }
    }));
    {
        visibilityStyle.innerHTML = cmpTags + HYDRATED_CSS;
        visibilityStyle.setAttribute('data-styles', '');
        head.insertBefore(visibilityStyle, metaCharset ? metaCharset.nextSibling : head.firstChild);
    }
    // Process deferred connectedCallbacks now all components have been registered
    isBootstrapping = false;
    if (deferredConnectedCallbacks.length) {
        deferredConnectedCallbacks.map(host => host.connectedCallback());
    }
    else {
        {
            plt.jmp(() => (appLoadFallback = setTimeout(appDidLoad, 30)));
        }
    }
    // Fallback appLoad event
    endBootstrap();
};
const hostRefs = new WeakMap();
const getHostRef = (ref) => hostRefs.get(ref);
const registerInstance = (lazyInstance, hostRef) => hostRefs.set((hostRef.$lazyInstance$ = lazyInstance), hostRef);
const registerHost = (elm, cmpMeta) => {
    const hostRef = {
        $flags$: 0,
        $hostElement$: elm,
        $cmpMeta$: cmpMeta,
        $instanceValues$: new Map(),
    };
    {
        hostRef.$onReadyPromise$ = new Promise(r => (hostRef.$onReadyResolve$ = r));
        elm['s-p'] = [];
        elm['s-rc'] = [];
    }
    addHostEventListeners(elm, hostRef, cmpMeta.$listeners$);
    return hostRefs.set(elm, hostRef);
};
const isMemberInElement = (elm, memberName) => memberName in elm;
const consoleError = (e) => console.error(e);
const cmpModules = /*@__PURE__*/ new Map();
const loadModule = (cmpMeta, hostRef, hmrVersionId) => {
    // loadModuleImport
    const exportName = cmpMeta.$tagName$.replace(/-/g, '_');
    const bundleId = cmpMeta.$lazyBundleId$;
    const module =  cmpModules.get(bundleId) ;
    if (module) {
        return module[exportName];
    }
    return import(
    /* webpackInclude: /\.entry\.js$/ */
    /* webpackExclude: /\.system\.entry\.js$/ */
    /* webpackMode: "lazy" */
    `./${bundleId}.entry.js${ ''}`).then(importedModule => {
        {
            cmpModules.set(bundleId, importedModule);
        }
        return importedModule[exportName];
    }, consoleError);
};
const styles = new Map();
const queueDomReads = [];
const queueDomWrites = [];
const queueTask = (queue, write) => (cb) => {
    queue.push(cb);
    if (!queuePending) {
        queuePending = true;
        if (write && plt.$flags$ & 4 /* queueSync */) {
            nextTick(flush);
        }
        else {
            plt.raf(flush);
        }
    }
};
const consume = (queue) => {
    for (let i = 0; i < queue.length; i++) {
        try {
            queue[i](performance.now());
        }
        catch (e) {
            consoleError(e);
        }
    }
    queue.length = 0;
};
const flush = () => {
    // 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);
    // DOM WRITES!!!
    {
        consume(queueDomWrites);
        if ((queuePending = queueDomReads.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);
        }
    }
};
const nextTick = /*@__PURE__*/ (cb) => promiseResolve().then(cb);
const writeTask = /*@__PURE__*/ queueTask(queueDomWrites, true);

export { CSS as C, Host as H, NAMESPACE as N, promiseResolve as a, bootstrapLazy as b, createEvent as c, doc as d, getElement as g, h, plt as p, registerInstance as r, win as w };