芝麻web文件管理V1.00

编辑当前文件:/home/rejoandoctor/www/node_modules/vue-template-compiler/build.js

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var deindent = require('de-indent');
var he = require('he');

function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }

var deindent__default = /*#__PURE__*/_interopDefaultLegacy(deindent);
var he__default = /*#__PURE__*/_interopDefaultLegacy(he);

const isUnaryTag = makeMap('area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
    'link,meta,param,source,track,wbr');
// Elements that you can, intentionally, leave open
// (and which close themselves)
const canBeLeftOpenTag = makeMap('colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source');
// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
const isNonPhrasingTag = makeMap('address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
    'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
    'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
    'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
    'title,tr,track');

/**
 * unicode letters used for parsing html tags, component names and property paths.
 * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
 * skipping \u10000-\uEFFFF due to it freezing up PhantomJS
 */
const unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;
/**
 * Define a property.
 */
function def(obj, key, val, enumerable) {
    Object.defineProperty(obj, key, {
        value: val,
        enumerable: !!enumerable,
        writable: true,
        configurable: true
    });
}

/**
 * Not type-checking this file because it's mostly vendor code.
 */
// Regular Expressions for parsing tags and attributes
const attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
const dynamicArgAttribute = /^\s*((?:v-[\w-]+:|@|:|#)\[[^=]+?\][^\s"'<>\/=]*)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
const ncname = `[a-zA-Z_][\\-\\.0-9_a-zA-Z${unicodeRegExp.source}]*`;
const qnameCapture = `((?:${ncname}\\:)?${ncname})`;
const startTagOpen = new RegExp(`^<${qnameCapture}`);
const startTagClose = /^\s*(\/?)>/;
const endTag = new RegExp(`^<\\/${qnameCapture}[^>]*>`);
const doctype = /^<!DOCTYPE [^>]+>/i;
// #7298: escape - to avoid being passed as HTML comment when inlined in page
const comment = /^<!\--/;
const conditionalComment = /^<!\[/;
// Special Elements (can contain anything)
const isPlainTextElement = makeMap('script,style,textarea', true);
const reCache = {};
const decodingMap = {
    '<': '<',
    '>': '>',
    '"': '"',
    '&': '&',
    '
': '\n',
    '	': '\t',
    ''': "'"
};
const encodedAttr = /&(?:lt|gt|quot|amp|#39);/g;
const encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g;
// #5992
const isIgnoreNewlineTag = makeMap('pre,textarea', true);
const shouldIgnoreFirstNewline = (tag, html) => tag && isIgnoreNewlineTag(tag) && html[0] === '\n';
function decodeAttr(value, shouldDecodeNewlines) {
    const re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
    return value.replace(re, match => decodingMap[match]);
}
function parseHTML(html, options) {
    const stack = [];
    const expectHTML = options.expectHTML;
    const isUnaryTag = options.isUnaryTag || no;
    const canBeLeftOpenTag = options.canBeLeftOpenTag || no;
    let index = 0;
    let last, lastTag;
    while (html) {
        last = html;
        // Make sure we're not in a plaintext content element like script/style
        if (!lastTag || !isPlainTextElement(lastTag)) {
            let textEnd = html.indexOf('<');
            if (textEnd === 0) {
                // Comment:
                if (comment.test(html)) {
                    const commentEnd = html.indexOf('-->');
                    if (commentEnd >= 0) {
                        if (options.shouldKeepComment && options.comment) {
                            options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3);
                        }
                        advance(commentEnd + 3);
                        continue;
                    }
                }
                // http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
                if (conditionalComment.test(html)) {
                    const conditionalEnd = html.indexOf(']>');
                    if (conditionalEnd >= 0) {
                        advance(conditionalEnd + 2);
                        continue;
                    }
                }
                // Doctype:
                const doctypeMatch = html.match(doctype);
                if (doctypeMatch) {
                    advance(doctypeMatch[0].length);
                    continue;
                }
                // End tag:
                const endTagMatch = html.match(endTag);
                if (endTagMatch) {
                    const curIndex = index;
                    advance(endTagMatch[0].length);
                    parseEndTag(endTagMatch[1], curIndex, index);
                    continue;
                }
                // Start tag:
                const startTagMatch = parseStartTag();
                if (startTagMatch) {
                    handleStartTag(startTagMatch);
                    if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {
                        advance(1);
                    }
                    continue;
                }
            }
            let text, rest, next;
            if (textEnd >= 0) {
                rest = html.slice(textEnd);
                while (!endTag.test(rest) &&
                    !startTagOpen.test(rest) &&
                    !comment.test(rest) &&
                    !conditionalComment.test(rest)) {
                    // < in plain text, be forgiving and treat it as text
                    next = rest.indexOf('<', 1);
                    if (next < 0)
                        break;
                    textEnd += next;
                    rest = html.slice(textEnd);
                }
                text = html.substring(0, textEnd);
            }
            if (textEnd < 0) {
                text = html;
            }
            if (text) {
                advance(text.length);
            }
            if (options.chars && text) {
                options.chars(text, index - text.length, index);
            }
        }
        else {
            let endTagLength = 0;
            const stackedTag = lastTag.toLowerCase();
            const reStackedTag = reCache[stackedTag] ||
                (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
            const rest = html.replace(reStackedTag, function (all, text, endTag) {
                endTagLength = endTag.length;
                if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
                    text = text
                        .replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
                        .replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
                }
                if (shouldIgnoreFirstNewline(stackedTag, text)) {
                    text = text.slice(1);
                }
                if (options.chars) {
                    options.chars(text);
                }
                return '';
            });
            index += html.length - rest.length;
            html = rest;
            parseEndTag(stackedTag, index - endTagLength, index);
        }
        if (html === last) {
            options.chars && options.chars(html);
            if (process.env.NODE_ENV !== 'production' && !stack.length && options.warn) {
                options.warn(`Mal-formatted tag at end of template: "${html}"`, {
                    start: index + html.length
                });
            }
            break;
        }
    }
    // Clean up any remaining tags
    parseEndTag();
    function advance(n) {
        index += n;
        html = html.substring(n);
    }
    function parseStartTag() {
        const start = html.match(startTagOpen);
        if (start) {
            const match = {
                tagName: start[1],
                attrs: [],
                start: index
            };
            advance(start[0].length);
            let end, attr;
            while (!(end = html.match(startTagClose)) &&
                (attr = html.match(dynamicArgAttribute) || html.match(attribute))) {
                attr.start = index;
                advance(attr[0].length);
                attr.end = index;
                match.attrs.push(attr);
            }
            if (end) {
                match.unarySlash = end[1];
                advance(end[0].length);
                match.end = index;
                return match;
            }
        }
    }
    function handleStartTag(match) {
        const tagName = match.tagName;
        const unarySlash = match.unarySlash;
        if (expectHTML) {
            if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
                parseEndTag(lastTag);
            }
            if (canBeLeftOpenTag(tagName) && lastTag === tagName) {
                parseEndTag(tagName);
            }
        }
        const unary = isUnaryTag(tagName) || !!unarySlash;
        const l = match.attrs.length;
        const attrs = new Array(l);
        for (let i = 0; i < l; i++) {
            const args = match.attrs[i];
            const value = args[3] || args[4] || args[5] || '';
            const shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
                ? options.shouldDecodeNewlinesForHref
                : options.shouldDecodeNewlines;
            attrs[i] = {
                name: args[1],
                value: decodeAttr(value, shouldDecodeNewlines)
            };
            if (process.env.NODE_ENV !== 'production' && options.outputSourceRange) {
                attrs[i].start = args.start + args[0].match(/^\s*/).length;
                attrs[i].end = args.end;
            }
        }
        if (!unary) {
            stack.push({
                tag: tagName,
                lowerCasedTag: tagName.toLowerCase(),
                attrs: attrs,
                start: match.start,
                end: match.end
            });
            lastTag = tagName;
        }
        if (options.start) {
            options.start(tagName, attrs, unary, match.start, match.end);
        }
    }
    function parseEndTag(tagName, start, end) {
        let pos, lowerCasedTagName;
        if (start == null)
            start = index;
        if (end == null)
            end = index;
        // Find the closest opened tag of the same type
        if (tagName) {
            lowerCasedTagName = tagName.toLowerCase();
            for (pos = stack.length - 1; pos >= 0; pos--) {
                if (stack[pos].lowerCasedTag === lowerCasedTagName) {
                    break;
                }
            }
        }
        else {
            // If no tag name is provided, clean shop
            pos = 0;
        }
        if (pos >= 0) {
            // Close all the open elements, up the stack
            for (let i = stack.length - 1; i >= pos; i--) {
                if (process.env.NODE_ENV !== 'production' && (i > pos || !tagName) && options.warn) {
                    options.warn(`tag <${stack[i].tag}> has no matching end tag.`, {
                        start: stack[i].start,
                        end: stack[i].end
                    });
                }
                if (options.end) {
                    options.end(stack[i].tag, start, end);
                }
            }
            // Remove the open elements from the stack
            stack.length = pos;
            lastTag = pos && stack[pos - 1].tag;
        }
        else if (lowerCasedTagName === 'br') {
            if (options.start) {
                options.start(tagName, [], true, start, end);
            }
        }
        else if (lowerCasedTagName === 'p') {
            if (options.start) {
                options.start(tagName, [], false, start, end);
            }
            if (options.end) {
                options.end(tagName, start, end);
            }
        }
    }
}

// can we use __proto__?
const hasProto = '__proto__' in {};
// Browser environment sniffing
const inBrowser = typeof window !== 'undefined';
const UA = inBrowser && window.navigator.userAgent.toLowerCase();
const isIE = UA && /msie|trident/.test(UA);
UA && UA.indexOf('msie 9.0') > 0;
const isEdge = UA && UA.indexOf('edge/') > 0;
UA && UA.indexOf('android') > 0;
UA && /iphone|ipad|ipod|ios/.test(UA);
UA && /chrome\/\d+/.test(UA) && !isEdge;
UA && /phantomjs/.test(UA);
UA && UA.match(/firefox\/(\d+)/);
// Firefox has a "watch" function on Object.prototype...
// @ts-expect-error firebox support
const nativeWatch = {}.watch;
let supportsPassive = false;
if (inBrowser) {
    try {
        const opts = {};
        Object.defineProperty(opts, 'passive', {
            get() {
                /* istanbul ignore next */
                supportsPassive = true;
            }
        }); // https://github.com/facebook/flow/issues/285
        window.addEventListener('test-passive', null, opts);
    }
    catch (e) { }
}
// this needs to be lazy-evaled because vue may be required before
// vue-server-renderer can set VUE_ENV
let _isServer;
const isServerRendering = () => {
    if (_isServer === undefined) {
        /* istanbul ignore if */
        if (!inBrowser && typeof global !== 'undefined') {
            // detect presence of vue-server-renderer and avoid
            // Webpack shimming the process
            _isServer =
                global['process'] && global['process'].env.VUE_ENV === 'server';
        }
        else {
            _isServer = false;
        }
    }
    return _isServer;
};
/* istanbul ignore next */
function isNative(Ctor) {
    return typeof Ctor === 'function' && /native code/.test(Ctor.toString());
}
const hasSymbol = typeof Symbol !== 'undefined' &&
    isNative(Symbol) &&
    typeof Reflect !== 'undefined' &&
    isNative(Reflect.ownKeys);
let _Set; // $flow-disable-line
/* istanbul ignore if */ if (typeof Set !== 'undefined' && isNative(Set)) {
    // use native Set when available.
    _Set = Set;
}
else {
    // a non-standard Set polyfill that only works with primitive keys.
    _Set = class Set {
        constructor() {
            this.set = Object.create(null);
        }
        has(key) {
            return this.set[key] === true;
        }
        add(key) {
            this.set[key] = true;
        }
        clear() {
            this.set = Object.create(null);
        }
    };
}

const ASSET_TYPES = ['component', 'directive', 'filter'];
const LIFECYCLE_HOOKS = [
    'beforeCreate',
    'created',
    'beforeMount',
    'mounted',
    'beforeUpdate',
    'updated',
    'beforeDestroy',
    'destroyed',
    'activated',
    'deactivated',
    'errorCaptured',
    'serverPrefetch',
    'renderTracked',
    'renderTriggered'
];

var config = {
    /**
     * Option merge strategies (used in core/util/options)
     */
    // $flow-disable-line
    optionMergeStrategies: Object.create(null),
    /**
     * Whether to suppress warnings.
     */
    silent: false,
    /**
     * Show production mode tip message on boot?
     */
    productionTip: process.env.NODE_ENV !== 'production',
    /**
     * Whether to enable devtools
     */
    devtools: process.env.NODE_ENV !== 'production',
    /**
     * Whether to record perf
     */
    performance: false,
    /**
     * Error handler for watcher errors
     */
    errorHandler: null,
    /**
     * Warn handler for watcher warns
     */
    warnHandler: null,
    /**
     * Ignore certain custom elements
     */
    ignoredElements: [],
    /**
     * Custom user key aliases for v-on
     */
    // $flow-disable-line
    keyCodes: Object.create(null),
    /**
     * Check if a tag is reserved so that it cannot be registered as a
     * component. This is platform-dependent and may be overwritten.
     */
    isReservedTag: no,
    /**
     * Check if an attribute is reserved so that it cannot be used as a component
     * prop. This is platform-dependent and may be overwritten.
     */
    isReservedAttr: no,
    /**
     * Check if a tag is an unknown element.
     * Platform-dependent.
     */
    isUnknownElement: no,
    /**
     * Get the namespace of an element
     */
    getTagNamespace: noop,
    /**
     * Parse the real tag name for the specific platform.
     */
    parsePlatformTagName: identity,
    /**
     * Check if an attribute must be bound using property, e.g. value
     * Platform-dependent.
     */
    mustUseProp: no,
    /**
     * Perform updates asynchronously. Intended to be used by Vue Test Utils
     * This will significantly reduce performance if set to false.
     */
    async: true,
    /**
     * Exposed for legacy reasons
     */
    _lifecycleHooks: LIFECYCLE_HOOKS
};

let currentInstance = null;
/**
 * @internal
 */
function setCurrentInstance(vm = null) {
    if (!vm)
        currentInstance && currentInstance._scope.off();
    currentInstance = vm;
    vm && vm._scope.on();
}

/**
 * @internal
 */
class VNode {
    constructor(tag, data, children, text, elm, context, componentOptions, asyncFactory) {
        this.tag = tag;
        this.data = data;
        this.children = children;
        this.text = text;
        this.elm = elm;
        this.ns = undefined;
        this.context = context;
        this.fnContext = undefined;
        this.fnOptions = undefined;
        this.fnScopeId = undefined;
        this.key = data && data.key;
        this.componentOptions = componentOptions;
        this.componentInstance = undefined;
        this.parent = undefined;
        this.raw = false;
        this.isStatic = false;
        this.isRootInsert = true;
        this.isComment = false;
        this.isCloned = false;
        this.isOnce = false;
        this.asyncFactory = asyncFactory;
        this.asyncMeta = undefined;
        this.isAsyncPlaceholder = false;
    }
    // DEPRECATED: alias for componentInstance for backwards compat.
    /* istanbul ignore next */
    get child() {
        return this.componentInstance;
    }
}
const createEmptyVNode = (text = '') => {
    const node = new VNode();
    node.text = text;
    node.isComment = true;
    return node;
};
function createTextVNode(val) {
    return new VNode(undefined, undefined, undefined, String(val));
}
// optimized shallow clone
// used for static nodes and slot nodes because they may be reused across
// multiple renders, cloning them avoids errors when DOM manipulations rely
// on their elm reference.
function cloneVNode(vnode) {
    const cloned = new VNode(vnode.tag, vnode.data, 
    // #7975
    // clone children array to avoid mutating original in case of cloning
    // a child.
    vnode.children && vnode.children.slice(), vnode.text, vnode.elm, vnode.context, vnode.componentOptions, vnode.asyncFactory);
    cloned.ns = vnode.ns;
    cloned.isStatic = vnode.isStatic;
    cloned.key = vnode.key;
    cloned.isComment = vnode.isComment;
    cloned.fnContext = vnode.fnContext;
    cloned.fnOptions = vnode.fnOptions;
    cloned.fnScopeId = vnode.fnScopeId;
    cloned.asyncMeta = vnode.asyncMeta;
    cloned.isCloned = true;
    return cloned;
}

/* not type checking this file because flow doesn't play well with Proxy */
if (process.env.NODE_ENV !== 'production') {
    makeMap('Infinity,undefined,NaN,isFinite,isNaN,' +
        'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
        'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,BigInt,' +
        'require' // for Webpack/Browserify
    );
    const hasProxy = typeof Proxy !== 'undefined' && isNative(Proxy);
    if (hasProxy) {
        const isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
        config.keyCodes = new Proxy(config.keyCodes, {
            set(target, key, value) {
                if (isBuiltInModifier(key)) {
                    warn$2(`Avoid overwriting built-in modifier in config.keyCodes: .${key}`);
                    return false;
                }
                else {
                    target[key] = value;
                    return true;
                }
            }
        });
    }
}

/*
 * not type checking this file because flow doesn't play well with
 * dynamically accessing methods on Array prototype
 */
const arrayProto = Array.prototype;
const arrayMethods = Object.create(arrayProto);
const methodsToPatch = [
    'push',
    'pop',
    'shift',
    'unshift',
    'splice',
    'sort',
    'reverse'
];
/**
 * Intercept mutating methods and emit events
 */
methodsToPatch.forEach(function (method) {
    // cache original method
    const original = arrayProto[method];
    def(arrayMethods, method, function mutator(...args) {
        const result = original.apply(this, args);
        const ob = this.__ob__;
        let inserted;
        switch (method) {
            case 'push':
            case 'unshift':
                inserted = args;
                break;
            case 'splice':
                inserted = args.slice(2);
                break;
        }
        if (inserted)
            ob.observeArray(inserted);
        // notify change
        if (process.env.NODE_ENV !== 'production') {
            ob.dep.notify({
                type: "array mutation" /* TriggerOpTypes.ARRAY_MUTATION */,
                target: this,
                key: method
            });
        }
        else {
            ob.dep.notify();
        }
        return result;
    });
});

function isReadonly(value) {
    return !!(value && value.__v_isReadonly);
}

function isRef(r) {
    return !!(r && r.__v_isRef === true);
}

if (process.env.NODE_ENV !== 'production') ;

// The template compiler attempts to minimize the need for normalization by
// statically analyzing the template at compile time.
//
// For plain HTML markup, normalization can be completely skipped because the
// generated render function is guaranteed to return Array<VNode>. There are
// two cases where extra normalization is needed:
// 1. When the children contains components - because a functional component
// may return an Array instead of a single root. In this case, just a simple
// normalization is needed - if any child is an Array, we flatten the whole
// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
// because functional components already normalize their own children.
function simpleNormalizeChildren(children) {
    for (let i = 0; i < children.length; i++) {
        if (isArray(children[i])) {
            return Array.prototype.concat.apply([], children);
        }
    }
    return children;
}
// 2. When the children contains constructs that always generated nested Arrays,
// e.g. <template>, <slot>, v-for, or when the children is provided by user
// with hand-written render functions / JSX. In such cases a full normalization
// is needed to cater to all possible types of children values.
function normalizeChildren(children) {
    return isPrimitive(children)
        ? [createTextVNode(children)]
        : isArray(children)
            ? normalizeArrayChildren(children)
            : undefined;
}
function isTextNode(node) {
    return isDef(node) && isDef(node.text) && isFalse(node.isComment);
}
function normalizeArrayChildren(children, nestedIndex) {
    const res = [];
    let i, c, lastIndex, last;
    for (i = 0; i < children.length; i++) {
        c = children[i];
        if (isUndef(c) || typeof c === 'boolean')
            continue;
        lastIndex = res.length - 1;
        last = res[lastIndex];
        //  nested
        if (isArray(c)) {
            if (c.length > 0) {
                c = normalizeArrayChildren(c, `${nestedIndex || ''}_${i}`);
                // merge adjacent text nodes
                if (isTextNode(c[0]) && isTextNode(last)) {
                    res[lastIndex] = createTextVNode(last.text + c[0].text);
                    c.shift();
                }
                res.push.apply(res, c);
            }
        }
        else if (isPrimitive(c)) {
            if (isTextNode(last)) {
                // merge adjacent text nodes
                // this is necessary for SSR hydration because text nodes are
                // essentially merged when rendered to HTML strings
                res[lastIndex] = createTextVNode(last.text + c);
            }
            else if (c !== '') {
                // convert primitive to vnode
                res.push(createTextVNode(c));
            }
        }
        else {
            if (isTextNode(c) && isTextNode(last)) {
                // merge adjacent text nodes
                res[lastIndex] = createTextVNode(last.text + c.text);
            }
            else {
                // default key for nested array children (likely generated by v-for)
                if (isTrue(children._isVList) &&
                    isDef(c.tag) &&
                    isUndef(c.key) &&
                    isDef(nestedIndex)) {
                    c.key = `__vlist${nestedIndex}_${i}__`;
                }
                res.push(c);
            }
        }
    }
    return res;
}

/**
 * Runtime helper for rendering v-for lists.
 */
function renderList(val, render) {
    let ret = null, i, l, keys, key;
    if (isArray(val) || typeof val === 'string') {
        ret = new Array(val.length);
        for (i = 0, l = val.length; i < l; i++) {
            ret[i] = render(val[i], i);
        }
    }
    else if (typeof val === 'number') {
        ret = new Array(val);
        for (i = 0; i < val; i++) {
            ret[i] = render(i + 1, i);
        }
    }
    else if (isObject(val)) {
        if (hasSymbol && val[Symbol.iterator]) {
            ret = [];
            const iterator = val[Symbol.iterator]();
            let result = iterator.next();
            while (!result.done) {
                ret.push(render(result.value, ret.length));
                result = iterator.next();
            }
        }
        else {
            keys = Object.keys(val);
            ret = new Array(keys.length);
            for (i = 0, l = keys.length; i < l; i++) {
                key = keys[i];
                ret[i] = render(val[key], key, i);
            }
        }
    }
    if (!isDef(ret)) {
        ret = [];
    }
    ret._isVList = true;
    return ret;
}

/**
 * Runtime helper for rendering <slot>
 */
function renderSlot(name, fallbackRender, props, bindObject) {
    const scopedSlotFn = this.$scopedSlots[name];
    let nodes;
    if (scopedSlotFn) {
        // scoped slot
        props = props || {};
        if (bindObject) {
            if (process.env.NODE_ENV !== 'production' && !isObject(bindObject)) {
                warn$2('slot v-bind without argument expects an Object', this);
            }
            props = extend(extend({}, bindObject), props);
        }
        nodes =
            scopedSlotFn(props) ||
                (isFunction(fallbackRender) ? fallbackRender() : fallbackRender);
    }
    else {
        nodes =
            this.$slots[name] ||
                (isFunction(fallbackRender) ? fallbackRender() : fallbackRender);
    }
    const target = props && props.slot;
    if (target) {
        return this.$createElement('template', { slot: target }, nodes);
    }
    else {
        return nodes;
    }
}

/**
 * Runtime helper for resolving filters
 */
function resolveFilter(id) {
    return resolveAsset(this.$options, 'filters', id, true) || identity;
}

/**
 * Runtime helper for merging v-bind="object" into a VNode's data.
 */
function bindObjectProps(data, tag, value, asProp, isSync) {
    if (value) {
        if (!isObject(value)) {
            process.env.NODE_ENV !== 'production' &&
                warn$2('v-bind without argument expects an Object or Array value', this);
        }
        else {
            if (isArray(value)) {
                value = toObject(value);
            }
            let hash;
            for (const key in value) {
                if (key === 'class' || key === 'style' || isReservedAttribute(key)) {
                    hash = data;
                }
                else {
                    const type = data.attrs && data.attrs.type;
                    hash =
                        asProp || config.mustUseProp(tag, type, key)
                            ? data.domProps || (data.domProps = {})
                            : data.attrs || (data.attrs = {});
                }
                const camelizedKey = camelize(key);
                const hyphenatedKey = hyphenate(key);
                if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
                    hash[key] = value[key];
                    if (isSync) {
                        const on = data.on || (data.on = {});
                        on[`update:${key}`] = function ($event) {
                            value[key] = $event;
                        };
                    }
                }
            }
        }
    }
    return data;
}

/**
 * Runtime helper for rendering static trees.
 */
function renderStatic(index, isInFor) {
    const cached = this._staticTrees || (this._staticTrees = []);
    let tree = cached[index];
    // if has already-rendered static tree and not inside v-for,
    // we can reuse the same tree.
    if (tree && !isInFor) {
        return tree;
    }
    // otherwise, render a fresh tree.
    tree = cached[index] = this.$options.staticRenderFns[index].call(this._renderProxy, this._c, this // for render fns generated for functional component templates
    );
    markStatic$1(tree, `__static__${index}`, false);
    return tree;
}
/**
 * Runtime helper for v-once.
 * Effectively it means marking the node as static with a unique key.
 */
function markOnce(tree, index, key) {
    markStatic$1(tree, `__once__${index}${key ? `_${key}` : ``}`, true);
    return tree;
}
function markStatic$1(tree, key, isOnce) {
    if (isArray(tree)) {
        for (let i = 0; i < tree.length; i++) {
            if (tree[i] && typeof tree[i] !== 'string') {
                markStaticNode(tree[i], `${key}_${i}`, isOnce);
            }
        }
    }
    else {
        markStaticNode(tree, key, isOnce);
    }
}
function markStaticNode(node, key, isOnce) {
    node.isStatic = true;
    node.key = key;
    node.isOnce = isOnce;
}

// helper to process dynamic keys for dynamic arguments in v-bind and v-on.
function bindDynamicKeys(baseObj, values) {
    for (let i = 0; i < values.length; i += 2) {
        const key = values[i];
        if (typeof key === 'string' && key) {
            baseObj[values[i]] = values[i + 1];
        }
        else if (process.env.NODE_ENV !== 'production' && key !== '' && key !== null) {
            // null is a special value for explicitly removing a binding
            warn$2(`Invalid value for dynamic directive argument (expected string or null): ${key}`, this);
        }
    }
    return baseObj;
}
// helper to dynamically append modifier runtime markers to event names.
// ensure only append when value is already string, otherwise it will be cast
// to string and cause the type check to miss.
function prependModifier(value, symbol) {
    return typeof value === 'string' ? symbol + value : value;
}

function installRenderHelpers(target) {
    target._o = markOnce;
    target._n = toNumber;
    target._s = toString;
    target._l = renderList;
    target._t = renderSlot;
    target._q = looseEqual;
    target._i = looseIndexOf;
    target._m = renderStatic;
    target._f = resolveFilter;
    target._k = checkKeyCodes;
    target._b = bindObjectProps;
    target._v = createTextVNode;
    target._e = createEmptyVNode;
    target._u = resolveScopedSlots;
    target._g = bindObjectListeners;
    target._d = bindDynamicKeys;
    target._p = prependModifier;
}

/**
 * Runtime helper for resolving raw children VNodes into a slot object.
 */
function resolveSlots(children, context) {
    if (!children || !children.length) {
        return {};
    }
    const slots = {};
    for (let i = 0, l = children.length; i < l; i++) {
        const child = children[i];
        const data = child.data;
        // remove slot attribute if the node is resolved as a Vue slot node
        if (data && data.attrs && data.attrs.slot) {
            delete data.attrs.slot;
        }
        // named slots should only be respected if the vnode was rendered in the
        // same context.
        if ((child.context === context || child.fnContext === context) &&
            data &&
            data.slot != null) {
            const name = data.slot;
            const slot = slots[name] || (slots[name] = []);
            if (child.tag === 'template') {
                slot.push.apply(slot, child.children || []);
            }
            else {
                slot.push(child);
            }
        }
        else {
            (slots.default || (slots.default = [])).push(child);
        }
    }
    // ignore slots that contains only whitespace
    for (const name in slots) {
        if (slots[name].every(isWhitespace)) {
            delete slots[name];
        }
    }
    return slots;
}
function isWhitespace(node) {
    return (node.isComment && !node.asyncFactory) || node.text === ' ';
}

function isAsyncPlaceholder(node) {
    // @ts-expect-error not really boolean type
    return node.isComment && node.asyncFactory;
}

let target;
function add(event, fn) {
    target.$on(event, fn);
}
function remove(event, fn) {
    target.$off(event, fn);
}
function createOnceHandler(event, fn) {
    const _target = target;
    return function onceHandler() {
        const res = fn.apply(null, arguments);
        if (res !== null) {
            _target.$off(event, onceHandler);
        }
    };
}
function updateComponentListeners(vm, listeners, oldListeners) {
    target = vm;
    updateListeners(listeners, oldListeners || {}, add, remove, createOnceHandler, vm);
    target = undefined;
}

// Async edge case fix requires storing an event listener's attach timestamp.
let getNow = Date.now;
// Determine what event timestamp the browser is using. Annoyingly, the
// timestamp can either be hi-res (relative to page load) or low-res
// (relative to UNIX epoch), so in order to compare time we have to use the
// same timestamp type when saving the flush timestamp.
// All IE versions use low-res event timestamps, and have problematic clock
// implementations (#9632)
if (inBrowser && !isIE) {
    const performance = window.performance;
    if (performance &&
        typeof performance.now === 'function' &&
        getNow() > document.createEvent('Event').timeStamp) {
        // if the event timestamp, although evaluated AFTER the Date.now(), is
        // smaller than it, it means the event is using a hi-res timestamp,
        // and we need to use the hi-res version for event listener timestamps as
        // well.
        getNow = () => performance.now();
    }
}
/**
 * Queue a kept-alive component that was activated during patch.
 * The queue will be processed after the entire tree has been patched.
 */
function queueActivatedComponent(vm) {
    // setting _inactive to false here so that a render function can
    // rely on checking whether it's in an inactive tree (e.g. router-view)
    vm._inactive = false;
}

/* globals MutationObserver */
const callbacks = [];
function flushCallbacks() {
    const copies = callbacks.slice(0);
    callbacks.length = 0;
    for (let i = 0; i < copies.length; i++) {
        copies[i]();
    }
}
// The nextTick behavior leverages the microtask queue, which can be accessed
// via either native Promise.then or MutationObserver.
// MutationObserver has wider support, however it is seriously bugged in
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
// completely stops working after triggering a few times... so, if native
// Promise is available, we will use it:
/* istanbul ignore next, $flow-disable-line */
if (typeof Promise !== 'undefined' && isNative(Promise)) {
    Promise.resolve();
}
else if (!isIE &&
    typeof MutationObserver !== 'undefined' &&
    (isNative(MutationObserver) ||
        // PhantomJS and iOS 7.x
        MutationObserver.toString() === '[object MutationObserverConstructor]')) {
    // Use MutationObserver where native Promise is not available,
    // e.g. PhantomJS, iOS7, Android 4.4
    // (#6466 MutationObserver is unreliable in IE11)
    let counter = 1;
    const observer = new MutationObserver(flushCallbacks);
    const textNode = document.createTextNode(String(counter));
    observer.observe(textNode, {
        characterData: true
    });
}
else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) ;
else ;

/**
 * Option overwriting strategies are functions that handle
 * how to merge a parent option value and a child option
 * value into the final value.
 */
const strats = config.optionMergeStrategies;
/**
 * Options with restrictions
 */
if (process.env.NODE_ENV !== 'production') {
    strats.el = strats.propsData = function (parent, child, vm, key) {
        if (!vm) {
            warn$2(`option "${key}" can only be used during instance ` +
                'creation with the `new` keyword.');
        }
        return defaultStrat(parent, child);
    };
}
/**
 * Helper that recursively merges two data objects together.
 */
function mergeData(to, from, recursive = true) {
    if (!from)
        return to;
    let key, toVal, fromVal;
    const keys = hasSymbol
        ? Reflect.ownKeys(from)
        : Object.keys(from);
    for (let i = 0; i < keys.length; i++) {
        key = keys[i];
        // in case the object is already observed...
        if (key === '__ob__')
            continue;
        toVal = to[key];
        fromVal = from[key];
        if (!recursive || !hasOwn(to, key)) {
            set(to, key, fromVal);
        }
        else if (toVal !== fromVal &&
            isPlainObject(toVal) &&
            isPlainObject(fromVal)) {
            mergeData(toVal, fromVal);
        }
    }
    return to;
}
/**
 * Data
 */
function mergeDataOrFn(parentVal, childVal, vm) {
    if (!vm) {
        // in a Vue.extend merge, both should be functions
        if (!childVal) {
            return parentVal;
        }
        if (!parentVal) {
            return childVal;
        }
        // when parentVal & childVal are both present,
        // we need to return a function that returns the
        // merged result of both functions... no need to
        // check if parentVal is a function here because
        // it has to be a function to pass previous merges.
        return function mergedDataFn() {
            return mergeData(isFunction(childVal) ? childVal.call(this, this) : childVal, isFunction(parentVal) ? parentVal.call(this, this) : parentVal);
        };
    }
    else {
        return function mergedInstanceDataFn() {
            // instance merge
            const instanceData = isFunction(childVal)
                ? childVal.call(vm, vm)
                : childVal;
            const defaultData = isFunction(parentVal)
                ? parentVal.call(vm, vm)
                : parentVal;
            if (instanceData) {
                return mergeData(instanceData, defaultData);
            }
            else {
                return defaultData;
            }
        };
    }
}
strats.data = function (parentVal, childVal, vm) {
    if (!vm) {
        if (childVal && typeof childVal !== 'function') {
            process.env.NODE_ENV !== 'production' &&
                warn$2('The "data" option should be a function ' +
                    'that returns a per-instance value in component ' +
                    'definitions.', vm);
            return parentVal;
        }
        return mergeDataOrFn(parentVal, childVal);
    }
    return mergeDataOrFn(parentVal, childVal, vm);
};
/**
 * Hooks and props are merged as arrays.
 */
function mergeLifecycleHook(parentVal, childVal) {
    const res = childVal
        ? parentVal
            ? parentVal.concat(childVal)
            : isArray(childVal)
                ? childVal
                : [childVal]
        : parentVal;
    return res ? dedupeHooks(res) : res;
}
function dedupeHooks(hooks) {
    const res = [];
    for (let i = 0; i < hooks.length; i++) {
        if (res.indexOf(hooks[i]) === -1) {
            res.push(hooks[i]);
        }
    }
    return res;
}
LIFECYCLE_HOOKS.forEach(hook => {
    strats[hook] = mergeLifecycleHook;
});
/**
 * Assets
 *
 * When a vm is present (instance creation), we need to do
 * a three-way merge between constructor options, instance
 * options and parent options.
 */
function mergeAssets(parentVal, childVal, vm, key) {
    const res = Object.create(parentVal || null);
    if (childVal) {
        process.env.NODE_ENV !== 'production' && assertObjectType(key, childVal, vm);
        return extend(res, childVal);
    }
    else {
        return res;
    }
}
ASSET_TYPES.forEach(function (type) {
    strats[type + 's'] = mergeAssets;
});
/**
 * Watchers.
 *
 * Watchers hashes should not overwrite one
 * another, so we merge them as arrays.
 */
strats.watch = function (parentVal, childVal, vm, key) {
    // work around Firefox's Object.prototype.watch...
    //@ts-expect-error work around
    if (parentVal === nativeWatch)
        parentVal = undefined;
    //@ts-expect-error work around
    if (childVal === nativeWatch)
        childVal = undefined;
    /* istanbul ignore if */
    if (!childVal)
        return Object.create(parentVal || null);
    if (process.env.NODE_ENV !== 'production') {
        assertObjectType(key, childVal, vm);
    }
    if (!parentVal)
        return childVal;
    const ret = {};
    extend(ret, parentVal);
    for (const key in childVal) {
        let parent = ret[key];
        const child = childVal[key];
        if (parent && !isArray(parent)) {
            parent = [parent];
        }
        ret[key] = parent ? parent.concat(child) : isArray(child) ? child : [child];
    }
    return ret;
};
/**
 * Other object hashes.
 */
strats.props =
    strats.methods =
        strats.inject =
            strats.computed =
                function (parentVal, childVal, vm, key) {
                    if (childVal && process.env.NODE_ENV !== 'production') {
                        assertObjectType(key, childVal, vm);
                    }
                    if (!parentVal)
                        return childVal;
                    const ret = Object.create(null);
                    extend(ret, parentVal);
                    if (childVal)
                        extend(ret, childVal);
                    return ret;
                };
strats.provide = function (parentVal, childVal) {
    if (!parentVal)
        return childVal;
    return function () {
        const ret = Object.create(null);
        mergeData(ret, isFunction(parentVal) ? parentVal.call(this) : parentVal);
        if (childVal) {
            mergeData(ret, isFunction(childVal) ? childVal.call(this) : childVal, false // non-recursive
            );
        }
        return ret;
    };
};
/**
 * Default strategy.
 */
const defaultStrat = function (parentVal, childVal) {
    return childVal === undefined ? parentVal : childVal;
};
/**
 * Validate component names
 */
function checkComponents(options) {
    for (const key in options.components) {
        validateComponentName(key);
    }
}
function validateComponentName(name) {
    if (!new RegExp(`^[a-zA-Z][\\-\\.0-9_${unicodeRegExp.source}]*$`).test(name)) {
        warn$2('Invalid component name: "' +
            name +
            '". Component names ' +
            'should conform to valid custom element name in html5 specification.');
    }
    if (isBuiltInTag(name) || config.isReservedTag(name)) {
        warn$2('Do not use built-in or reserved HTML elements as component ' +
            'id: ' +
            name);
    }
}
/**
 * Ensure all props option syntax are normalized into the
 * Object-based format.
 */
function normalizeProps(options, vm) {
    const props = options.props;
    if (!props)
        return;
    const res = {};
    let i, val, name;
    if (isArray(props)) {
        i = props.length;
        while (i--) {
            val = props[i];
            if (typeof val === 'string') {
                name = camelize(val);
                res[name] = { type: null };
            }
            else if (process.env.NODE_ENV !== 'production') {
                warn$2('props must be strings when using array syntax.');
            }
        }
    }
    else if (isPlainObject(props)) {
        for (const key in props) {
            val = props[key];
            name = camelize(key);
            res[name] = isPlainObject(val) ? val : { type: val };
        }
    }
    else if (process.env.NODE_ENV !== 'production') {
        warn$2(`Invalid value for option "props": expected an Array or an Object, ` +
            `but got ${toRawType(props)}.`, vm);
    }
    options.props = res;
}
/**
 * Normalize all injections into Object-based format
 */
function normalizeInject(options, vm) {
    const inject = options.inject;
    if (!inject)
        return;
    const normalized = (options.inject = {});
    if (isArray(inject)) {
        for (let i = 0; i < inject.length; i++) {
            normalized[inject[i]] = { from: inject[i] };
        }
    }
    else if (isPlainObject(inject)) {
        for (const key in inject) {
            const val = inject[key];
            normalized[key] = isPlainObject(val)
                ? extend({ from: key }, val)
                : { from: val };
        }
    }
    else if (process.env.NODE_ENV !== 'production') {
        warn$2(`Invalid value for option "inject": expected an Array or an Object, ` +
            `but got ${toRawType(inject)}.`, vm);
    }
}
/**
 * Normalize raw function directives into object format.
 */
function normalizeDirectives(options) {
    const dirs = options.directives;
    if (dirs) {
        for (const key in dirs) {
            const def = dirs[key];
            if (isFunction(def)) {
                dirs[key] = { bind: def, update: def };
            }
        }
    }
}
function assertObjectType(name, value, vm) {
    if (!isPlainObject(value)) {
        warn$2(`Invalid value for option "${name}": expected an Object, ` +
            `but got ${toRawType(value)}.`, vm);
    }
}
/**
 * Merge two option objects into a new one.
 * Core utility used in both instantiation and inheritance.
 */
function mergeOptions(parent, child, vm) {
    if (process.env.NODE_ENV !== 'production') {
        checkComponents(child);
    }
    if (isFunction(child)) {
        // @ts-expect-error
        child = child.options;
    }
    normalizeProps(child, vm);
    normalizeInject(child, vm);
    normalizeDirectives(child);
    // Apply extends and mixins on the child options,
    // but only if it is a raw options object that isn't
    // the result of another mergeOptions call.
    // Only merged options has the _base property.
    if (!child._base) {
        if (child.extends) {
            parent = mergeOptions(parent, child.extends, vm);
        }
        if (child.mixins) {
            for (let i = 0, l = child.mixins.length; i < l; i++) {
                parent = mergeOptions(parent, child.mixins[i], vm);
            }
        }
    }
    const options = {};
    let key;
    for (key in parent) {
        mergeField(key);
    }
    for (key in child) {
        if (!hasOwn(parent, key)) {
            mergeField(key);
        }
    }
    function mergeField(key) {
        const strat = strats[key] || defaultStrat;
        options[key] = strat(parent[key], child[key], vm, key);
    }
    return options;
}
/**
 * Resolve an asset.
 * This function is used because child instances need access
 * to assets defined in its ancestor chain.
 */
function resolveAsset(options, type, id, warnMissing) {
    /* istanbul ignore if */
    if (typeof id !== 'string') {
        return;
    }
    const assets = options[type];
    // check local registration variations first
    if (hasOwn(assets, id))
        return assets[id];
    const camelizedId = camelize(id);
    if (hasOwn(assets, camelizedId))
        return assets[camelizedId];
    const PascalCaseId = capitalize(camelizedId);
    if (hasOwn(assets, PascalCaseId))
        return assets[PascalCaseId];
    // fallback to prototype chain
    const res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
    if (process.env.NODE_ENV !== 'production' && warnMissing && !res) {
        warn$2('Failed to resolve ' + type.slice(0, -1) + ': ' + id);
    }
    return res;
}

// these are reserved for web because they are directly compiled away
// during template compilation
makeMap('style,class');
// attributes that should be using props for binding
const acceptValue = makeMap('input,textarea,option,select,progress');
const mustUseProp = (tag, type, attr) => {
    return ((attr === 'value' && acceptValue(tag) && type !== 'button') ||
        (attr === 'selected' && tag === 'option') ||
        (attr === 'checked' && tag === 'input') ||
        (attr === 'muted' && tag === 'video'));
};
const isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
makeMap('events,caret,typing,plaintext-only');
const isBooleanAttr = makeMap('allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
    'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
    'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
    'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
    'required,reversed,scoped,seamless,selected,sortable,' +
    'truespeed,typemustmatch,visible');

/* eslint-disable no-unused-vars */
function baseWarn(msg, range) {
    console.error(`[Vue compiler]: ${msg}`);
}
/* eslint-enable no-unused-vars */
function pluckModuleFunction(modules, key) {
    return modules ? modules.map(m => m[key]).filter(_ => _) : [];
}
function addProp(el, name, value, range, dynamic) {
    (el.props || (el.props = [])).push(rangeSetItem({ name, value, dynamic }, range));
    el.plain = false;
}
function addAttr(el, name, value, range, dynamic) {
    const attrs = dynamic
        ? el.dynamicAttrs || (el.dynamicAttrs = [])
        : el.attrs || (el.attrs = []);
    attrs.push(rangeSetItem({ name, value, dynamic }, range));
    el.plain = false;
}
// add a raw attr (use this in preTransforms)
function addRawAttr(el, name, value, range) {
    el.attrsMap[name] = value;
    el.attrsList.push(rangeSetItem({ name, value }, range));
}
function addDirective(el, name, rawName, value, arg, isDynamicArg, modifiers, range) {
    (el.directives || (el.directives = [])).push(rangeSetItem({
        name,
        rawName,
        value,
        arg,
        isDynamicArg,
        modifiers
    }, range));
    el.plain = false;
}
function prependModifierMarker(symbol, name, dynamic) {
    return dynamic ? `_p(${name},"${symbol}")` : symbol + name; // mark the event as captured
}
function addHandler(el, name, value, modifiers, important, warn, range, dynamic) {
    modifiers = modifiers || emptyObject;
    // warn prevent and passive modifier
    /* istanbul ignore if */
    if (process.env.NODE_ENV !== 'production' && warn && modifiers.prevent && modifiers.passive) {
        warn("passive and prevent can't be used together. " +
            "Passive handler can't prevent default event.", range);
    }
    // normalize click.right and click.middle since they don't actually fire
    // this is technically browser-specific, but at least for now browsers are
    // the only target envs that have right/middle clicks.
    if (modifiers.right) {
        if (dynamic) {
            name = `(${name})==='click'?'contextmenu':(${name})`;
        }
        else if (name === 'click') {
            name = 'contextmenu';
            delete modifiers.right;
        }
    }
    else if (modifiers.middle) {
        if (dynamic) {
            name = `(${name})==='click'?'mouseup':(${name})`;
        }
        else if (name === 'click') {
            name = 'mouseup';
        }
    }
    // check capture modifier
    if (modifiers.capture) {
        delete modifiers.capture;
        name = prependModifierMarker('!', name, dynamic);
    }
    if (modifiers.once) {
        delete modifiers.once;
        name = prependModifierMarker('~', name, dynamic);
    }
    /* istanbul ignore if */
    if (modifiers.passive) {
        delete modifiers.passive;
        name = prependModifierMarker('&', name, dynamic);
    }
    let events;
    if (modifiers.native) {
        delete modifiers.native;
        events = el.nativeEvents || (el.nativeEvents = {});
    }
    else {
        events = el.events || (el.events = {});
    }
    const newHandler = rangeSetItem({ value: value.trim(), dynamic }, range);
    if (modifiers !== emptyObject) {
        newHandler.modifiers = modifiers;
    }
    const handlers = events[name];
    /* istanbul ignore if */
    if (Array.isArray(handlers)) {
        important ? handlers.unshift(newHandler) : handlers.push(newHandler);
    }
    else if (handlers) {
        events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
    }
    else {
        events[name] = newHandler;
    }
    el.plain = false;
}
function getRawBindingAttr(el, name) {
    return (el.rawAttrsMap[':' + name] ||
        el.rawAttrsMap['v-bind:' + name] ||
        el.rawAttrsMap[name]);
}
function getBindingAttr(el, name, getStatic) {
    const dynamicValue = getAndRemoveAttr(el, ':' + name) || getAndRemoveAttr(el, 'v-bind:' + name);
    if (dynamicValue != null) {
        return parseFilters(dynamicValue);
    }
    else if (getStatic !== false) {
        const staticValue = getAndRemoveAttr(el, name);
        if (staticValue != null) {
            return JSON.stringify(staticValue);
        }
    }
}
// note: this only removes the attr from the Array (attrsList) so that it
// doesn't get processed by processAttrs.
// By default it does NOT remove it from the map (attrsMap) because the map is
// needed during codegen.
function getAndRemoveAttr(el, name, removeFromMap) {
    let val;
    if ((val = el.attrsMap[name]) != null) {
        const list = el.attrsList;
        for (let i = 0, l = list.length; i < l; i++) {
            if (list[i].name === name) {
                list.splice(i, 1);
                break;
            }
        }
    }
    if (removeFromMap) {
        delete el.attrsMap[name];
    }
    return val;
}
function getAndRemoveAttrByRegex(el, name) {
    const list = el.attrsList;
    for (let i = 0, l = list.length; i < l; i++) {
        const attr = list[i];
        if (name.test(attr.name)) {
            list.splice(i, 1);
            return attr;
        }
    }
}
function rangeSetItem(item, range) {
    if (range) {
        if (range.start != null) {
            item.start = range.start;
        }
        if (range.end != null) {
            item.end = range.end;
        }
    }
    return item;
}

/**
 * Cross-platform code generation for component v-model
 */
function genComponentModel(el, value, modifiers) {
    const { number, trim } = modifiers || {};
    const baseValueExpression = '$$v';
    let valueExpression = baseValueExpression;
    if (trim) {
        valueExpression =
            `(typeof ${baseValueExpression} === 'string'` +
                `? ${baseValueExpression}.trim()` +
                `: ${baseValueExpression})`;
    }
    if (number) {
        valueExpression = `_n(${valueExpression})`;
    }
    const assignment = genAssignmentCode(value, valueExpression);
    el.model = {
        value: `(${value})`,
        expression: JSON.stringify(value),
        callback: `function (${baseValueExpression}) {${assignment}}`
    };
}
/**
 * Cross-platform codegen helper for generating v-model value assignment code.
 */
function genAssignmentCode(value, assignment) {
    const res = parseModel(value);
    if (res.key === null) {
        return `${value}=${assignment}`;
    }
    else {
        return `$set(${res.exp}, ${res.key}, ${assignment})`;
    }
}
/**
 * Parse a v-model expression into a base path and a final key segment.
 * Handles both dot-path and possible square brackets.
 *
 * Possible cases:
 *
 * - test
 * - test[key]
 * - test[test1[key]]
 * - test["a"][key]
 * - xxx.test[a[a].test1[key]]
 * - test.xxx.a["asa"][test1[key]]
 *
 */
let len, str, chr, index, expressionPos, expressionEndPos;
function parseModel(val) {
    // Fix https://github.com/vuejs/vue/pull/7730
    // allow v-model="obj.val " (trailing whitespace)
    val = val.trim();
    len = val.length;
    if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
        index = val.lastIndexOf('.');
        if (index > -1) {
            return {
                exp: val.slice(0, index),
                key: '"' + val.slice(index + 1) + '"'
            };
        }
        else {
            return {
                exp: val,
                key: null
            };
        }
    }
    str = val;
    index = expressionPos = expressionEndPos = 0;
    while (!eof()) {
        chr = next();
        /* istanbul ignore if */
        if (isStringStart(chr)) {
            parseString(chr);
        }
        else if (chr === 0x5b) {
            parseBracket(chr);
        }
    }
    return {
        exp: val.slice(0, expressionPos),
        key: val.slice(expressionPos + 1, expressionEndPos)
    };
}
function next() {
    return str.charCodeAt(++index);
}
function eof() {
    return index >= len;
}
function isStringStart(chr) {
    return chr === 0x22 || chr === 0x27;
}
function parseBracket(chr) {
    let inBracket = 1;
    expressionPos = index;
    while (!eof()) {
        chr = next();
        if (isStringStart(chr)) {
            parseString(chr);
            continue;
        }
        if (chr === 0x5b)
            inBracket++;
        if (chr === 0x5d)
            inBracket--;
        if (inBracket === 0) {
            expressionEndPos = index;
            break;
        }
    }
}
function parseString(chr) {
    const stringQuote = chr;
    while (!eof()) {
        chr = next();
        if (chr === stringQuote) {
            break;
        }
    }
}

/**
 * Expand input[v-model] with dynamic type bindings into v-if-else chains
 * Turn this:
 *   <input v-model="data[type]" :type="type">
 * into this:
 *   <input v-if="type === 'checkbox'" type="checkbox" v-model="data[type]">
 *   <input v-else-if="type === 'radio'" type="radio" v-model="data[type]">
 *   <input v-else :type="type" v-model="data[type]">
 */
function preTransformNode(el, options) {
    if (el.tag === 'input') {
        const map = el.attrsMap;
        if (!map['v-model']) {
            return;
        }
        let typeBinding;
        if (map[':type'] || map['v-bind:type']) {
            typeBinding = getBindingAttr(el, 'type');
        }
        if (!map.type && !typeBinding && map['v-bind']) {
            typeBinding = `(${map['v-bind']}).type`;
        }
        if (typeBinding) {
            const ifCondition = getAndRemoveAttr(el, 'v-if', true);
            const ifConditionExtra = ifCondition ? `&&(${ifCondition})` : ``;
            const hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
            const elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);
            // 1. checkbox
            const branch0 = cloneASTElement(el);
            // process for on the main node
            processFor(branch0);
            addRawAttr(branch0, 'type', 'checkbox');
            processElement(branch0, options);
            branch0.processed = true; // prevent it from double-processed
            branch0.if = `(${typeBinding})==='checkbox'` + ifConditionExtra;
            addIfCondition(branch0, {
                exp: branch0.if,
                block: branch0
            });
            // 2. add radio else-if condition
            const branch1 = cloneASTElement(el);
            getAndRemoveAttr(branch1, 'v-for', true);
            addRawAttr(branch1, 'type', 'radio');
            processElement(branch1, options);
            addIfCondition(branch0, {
                exp: `(${typeBinding})==='radio'` + ifConditionExtra,
                block: branch1
            });
            // 3. other
            const branch2 = cloneASTElement(el);
            getAndRemoveAttr(branch2, 'v-for', true);
            addRawAttr(branch2, ':type', typeBinding);
            processElement(branch2, options);
            addIfCondition(branch0, {
                exp: ifCondition,
                block: branch2
            });
            if (hasElse) {
                branch0.else = true;
            }
            else if (elseIfCondition) {
                branch0.elseif = elseIfCondition;
            }
            return branch0;
        }
    }
}
function cloneASTElement(el) {
    return createASTElement(el.tag, el.attrsList.slice(), el.parent);
}
var model$1 = {
    preTransformNode
};

var modules = [klass, style, model$1];

let warn;
// in some cases, the event used has to be determined at runtime
// so we used some reserved tokens during compile.
const RANGE_TOKEN = '__r';
function model(el, dir, _warn) {
    warn = _warn;
    const value = dir.value;
    const modifiers = dir.modifiers;
    const tag = el.tag;
    const type = el.attrsMap.type;
    if (process.env.NODE_ENV !== 'production') {
        // inputs with type="file" are read only and setting the input's
        // value will throw an error.
        if (tag === 'input' && type === 'file') {
            warn(`<${el.tag} v-model="${value}" type="file">:\n` +
                `File inputs are read only. Use a v-on:change listener instead.`, el.rawAttrsMap['v-model']);
        }
    }
    if (el.component) {
        genComponentModel(el, value, modifiers);
        // component v-model doesn't need extra runtime
        return false;
    }
    else if (tag === 'select') {
        genSelect(el, value, modifiers);
    }
    else if (tag === 'input' && type === 'checkbox') {
        genCheckboxModel(el, value, modifiers);
    }
    else if (tag === 'input' && type === 'radio') {
        genRadioModel(el, value, modifiers);
    }
    else if (tag === 'input' || tag === 'textarea') {
        genDefaultModel(el, value, modifiers);
    }
    else {
        genComponentModel(el, value, modifiers);
        // component v-model doesn't need extra runtime
        return false;
    }
    // ensure runtime directive metadata
    return true;
}
function genCheckboxModel(el, value, modifiers) {
    const number = modifiers && modifiers.number;
    const valueBinding = getBindingAttr(el, 'value') || 'null';
    const trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
    const falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
    addProp(el, 'checked', `Array.isArray(${value})` +
        `?_i(${value},${valueBinding})>-1` +
        (trueValueBinding === 'true'
            ? `:(${value})`
            : `:_q(${value},${trueValueBinding})`));
    addHandler(el, 'change', `var $$a=${value},` +
        '$$el=$event.target,' +
        `$$c=$$el.checked?(${trueValueBinding}):(${falseValueBinding});` +
        'if(Array.isArray($$a)){' +
        `var $$v=${number ? '_n(' + valueBinding + ')' : valueBinding},` +
        '$$i=_i($$a,$$v);' +
        `if($$el.checked){$$i<0&&(${genAssignmentCode(value, '$$a.concat([$$v])')})}` +
        `else{$$i>-1&&(${genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')})}` +
        `}else{${genAssignmentCode(value, '$$c')}}`, null, true);
}
function genRadioModel(el, value, modifiers) {
    const number = modifiers && modifiers.number;
    let valueBinding = getBindingAttr(el, 'value') || 'null';
    valueBinding = number ? `_n(${valueBinding})` : valueBinding;
    addProp(el, 'checked', `_q(${value},${valueBinding})`);
    addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
}
function genSelect(el, value, modifiers) {
    const number = modifiers && modifiers.number;
    const selectedVal = `Array.prototype.filter` +
        `.call($event.target.options,function(o){return o.selected})` +
        `.map(function(o){var val = "_value" in o ? o._value : o.value;` +
        `return ${number ? '_n(val)' : 'val'}})`;
    const assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
    let code = `var $$selectedVal = ${selectedVal};`;
    code = `${code} ${genAssignmentCode(value, assignment)}`;
    addHandler(el, 'change', code, null, true);
}
function genDefaultModel(el, value, modifiers) {
    const type = el.attrsMap.type;
    // warn if v-bind:value conflicts with v-model
    // except for inputs with v-bind:type
    if (process.env.NODE_ENV !== 'production') {
        const value = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];
        const typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
        if (value && !typeBinding) {
            const binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';
            warn(`${binding}="${value}" conflicts with v-model on the same element ` +
                'because the latter already expands to a value binding internally', el.rawAttrsMap[binding]);
        }
    }
    const { lazy, number, trim } = modifiers || {};
    const needCompositionGuard = !lazy && type !== 'range';
    const event = lazy ? 'change' : type === 'range' ? RANGE_TOKEN : 'input';
    let valueExpression = '$event.target.value';
    if (trim) {
        valueExpression = `$event.target.value.trim()`;
    }
    if (number) {
        valueExpression = `_n(${valueExpression})`;
    }
    let code = genAssignmentCode(value, valueExpression);
    if (needCompositionGuard) {
        code = `if($event.target.composing)return;${code}`;
    }
    addProp(el, 'value', `(${value})`);
    addHandler(el, event, code, null, true);
    if (trim || number) {
        addHandler(el, 'blur', '$forceUpdate()');
    }
}

function text(el, dir) {
    if (dir.value) {
        addProp(el, 'textContent', `_s(${dir.value})`, dir);
    }
}

function html(el, dir) {
    if (dir.value) {
        addProp(el, 'innerHTML', `_s(${dir.value})`, dir);
    }
}

var directives = {
    model,
    text,
    html
};

const baseOptions = {
    expectHTML: true,
    modules,
    directives,
    isPreTag,
    isUnaryTag,
    mustUseProp,
    canBeLeftOpenTag,
    isReservedTag,
    getTagNamespace,
    staticKeys: genStaticKeys$1(modules)
};

let isStaticKey;
let isPlatformReservedTag$1;
const genStaticKeysCached = cached(genStaticKeys);
/**
 * Goal of the optimizer: walk the generated template AST tree
 * and detect sub-trees that are purely static, i.e. parts of
 * the DOM that never needs to change.
 *
 * Once we detect these sub-trees, we can:
 *
 * 1. Hoist them into constants, so that we no longer need to
 *    create fresh nodes for them on each re-render;
 * 2. Completely skip them in the patching process.
 */
function optimize$1(root, options) {
    if (!root)
        return;
    isStaticKey = genStaticKeysCached(options.staticKeys || '');
    isPlatformReservedTag$1 = options.isReservedTag || no;
    // first pass: mark all non-static nodes.
    markStatic(root);
    // second pass: mark static roots.
    markStaticRoots(root, false);
}
function genStaticKeys(keys) {
    return makeMap('type,tag,attrsList,attrsMap,plain,parent,children,attrs,start,end,rawAttrsMap' +
        (keys ? ',' + keys : ''));
}
function markStatic(node) {
    node.static = isStatic(node);
    if (node.type === 1) {
        // do not make component slot content static. this avoids
        // 1. components not able to mutate slot nodes
        // 2. static slot content fails for hot-reloading
        if (!isPlatformReservedTag$1(node.tag) &&
            node.tag !== 'slot' &&
            node.attrsMap['inline-template'] == null) {
            return;
        }
        for (let i = 0, l = node.children.length; i < l; i++) {
            const child = node.children[i];
            markStatic(child);
            if (!child.static) {
                node.static = false;
            }
        }
        if (node.ifConditions) {
            for (let i = 1, l = node.ifConditions.length; i < l; i++) {
                const block = node.ifConditions[i].block;
                markStatic(block);
                if (!block.static) {
                    node.static = false;
                }
            }
        }
    }
}
function markStaticRoots(node, isInFor) {
    if (node.type === 1) {
        if (node.static || node.once) {
            node.staticInFor = isInFor;
        }
        // For a node to qualify as a static root, it should have children that
        // are not just static text. Otherwise the cost of hoisting out will
        // outweigh the benefits and it's better off to just always render it fresh.
        if (node.static &&
            node.children.length &&
            !(node.children.length === 1 && node.children[0].type === 3)) {
            node.staticRoot = true;
            return;
        }
        else {
            node.staticRoot = false;
        }
        if (node.children) {
            for (let i = 0, l = node.children.length; i < l; i++) {
                markStaticRoots(node.children[i], isInFor || !!node.for);
            }
        }
        if (node.ifConditions) {
            for (let i = 1, l = node.ifConditions.length; i < l; i++) {
                markStaticRoots(node.ifConditions[i].block, isInFor);
            }
        }
    }
}
function isStatic(node) {
    if (node.type === 2) {
        // expression
        return false;
    }
    if (node.type === 3) {
        // text
        return true;
    }
    return !!(node.pre ||
        (!node.hasBindings && // no dynamic bindings
            !node.if &&
            !node.for && // not v-if or v-for or v-else
            !isBuiltInTag(node.tag) && // not a built-in
            isPlatformReservedTag$1(node.tag) && // not a component
            !isDirectChildOfTemplateFor(node) &&
            Object.keys(node).every(isStaticKey)));
}
function isDirectChildOfTemplateFor(node) {
    while (node.parent) {
        node = node.parent;
        if (node.tag !== 'template') {
            return false;
        }
        if (node.for) {
            return true;
        }
    }
    return false;
}

function on(el, dir) {
    if (process.env.NODE_ENV !== 'production' && dir.modifiers) {
        warn$2(`v-on without argument does not support modifiers.`);
    }
    el.wrapListeners = (code) => `_g(${code},${dir.value})`;
}

function bind(el, dir) {
    el.wrapData = (code) => {
        return `_b(${code},'${el.tag}',${dir.value},${dir.modifiers && dir.modifiers.prop ? 'true' : 'false'}${dir.modifiers && dir.modifiers.sync ? ',true' : ''})`;
    };
}

var baseDirectives = {
    on,
    bind,
    cloak: noop
};

class CodegenState {
    constructor(options) {
        this.options = options;
        this.warn = options.warn || baseWarn;
        this.transforms = pluckModuleFunction(options.modules, 'transformCode');
        this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
        this.directives = extend(extend({}, baseDirectives), options.directives);
        const isReservedTag = options.isReservedTag || no;
        this.maybeComponent = (el) => !!el.component || !isReservedTag(el.tag);
        this.onceId = 0;
        this.staticRenderFns = [];
        this.pre = false;
    }
}
function generate$1(ast, options) {
    const state = new CodegenState(options);
    // fix #11483, Root level <script> tags should not be rendered.
    const code = ast
        ? ast.tag === 'script'
            ? 'null'
            : genElement(ast, state)
        : '_c("div")';
    return {
        render: `with(this){return ${code}}`,
        staticRenderFns: state.staticRenderFns
    };
}
function genElement(el, state) {
    if (el.parent) {
        el.pre = el.pre || el.parent.pre;
    }
    if (el.staticRoot && !el.staticProcessed) {
        return genStatic(el, state);
    }
    else if (el.once && !el.onceProcessed) {
        return genOnce(el, state);
    }
    else if (el.for && !el.forProcessed) {
        return genFor(el, state);
    }
    else if (el.if && !el.ifProcessed) {
        return genIf(el, state);
    }
    else if (el.tag === 'template' && !el.slotTarget && !state.pre) {
        return genChildren(el, state) || 'void 0';
    }
    else if (el.tag === 'slot') {
        return genSlot(el, state);
    }
    else {
        // component or element
        let code;
        if (el.component) {
            code = genComponent(el.component, el, state);
        }
        else {
            let data;
            const maybeComponent = state.maybeComponent(el);
            if (!el.plain || (el.pre && maybeComponent)) {
                data = genData(el, state);
            }
            let tag;
            // check if this is a component in <script setup>
            const bindings = state.options.bindings;
            if (maybeComponent && bindings && bindings.__isScriptSetup !== false) {
                tag = checkBindingType(bindings, el.tag);
            }
            if (!tag)
                tag = `'${el.tag}'`;
            const children = el.inlineTemplate ? null : genChildren(el, state, true);
            code = `_c(${tag}${data ? `,${data}` : '' // data
            }${children ? `,${children}` : '' // children
            })`;
        }
        // module transforms
        for (let i = 0; i < state.transforms.length; i++) {
            code = state.transforms[i](el, code);
        }
        return code;
    }
}
function checkBindingType(bindings, key) {
    const camelName = camelize(key);
    const PascalName = capitalize(camelName);
    const checkType = (type) => {
        if (bindings[key] === type) {
            return key;
        }
        if (bindings[camelName] === type) {
            return camelName;
        }
        if (bindings[PascalName] === type) {
            return PascalName;
        }
    };
    const fromConst = checkType("setup-const" /* BindingTypes.SETUP_CONST */) ||
        checkType("setup-reactive-const" /* BindingTypes.SETUP_REACTIVE_CONST */);
    if (fromConst) {
        return fromConst;
    }
    const fromMaybeRef = checkType("setup-let" /* BindingTypes.SETUP_LET */) ||
        checkType("setup-ref" /* BindingTypes.SETUP_REF */) ||
        checkType("setup-maybe-ref" /* BindingTypes.SETUP_MAYBE_REF */);
    if (fromMaybeRef) {
        return fromMaybeRef;
    }
}
// hoist static sub-trees out
function genStatic(el, state) {
    el.staticProcessed = true;
    // Some elements (templates) need to behave differently inside of a v-pre
    // node.  All pre nodes are static roots, so we can use this as a location to
    // wrap a state change and reset it upon exiting the pre node.
    const originalPreState = state.pre;
    if (el.pre) {
        state.pre = el.pre;
    }
    state.staticRenderFns.push(`with(this){return ${genElement(el, state)}}`);
    state.pre = originalPreState;
    return `_m(${state.staticRenderFns.length - 1}${el.staticInFor ? ',true' : ''})`;
}
// v-once
function genOnce(el, state) {
    el.onceProcessed = true;
    if (el.if && !el.ifProcessed) {
        return genIf(el, state);
    }
    else if (el.staticInFor) {
        let key = '';
        let parent = el.parent;
        while (parent) {
            if (parent.for) {
                key = parent.key;
                break;
            }
            parent = parent.parent;
        }
        if (!key) {
            process.env.NODE_ENV !== 'production' &&
                state.warn(`v-once can only be used inside v-for that is keyed. `, el.rawAttrsMap['v-once']);
            return genElement(el, state);
        }
        return `_o(${genElement(el, state)},${state.onceId++},${key})`;
    }
    else {
        return genStatic(el, state);
    }
}
function genIf(el, state, altGen, altEmpty) {
    el.ifProcessed = true; // avoid recursion
    return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty);
}
function genIfConditions(conditions, state, altGen, altEmpty) {
    if (!conditions.length) {
        return altEmpty || '_e()';
    }
    const condition = conditions.shift();
    if (condition.exp) {
        return `(${condition.exp})?${genTernaryExp(condition.block)}:${genIfConditions(conditions, state, altGen, altEmpty)}`;
    }
    else {
        return `${genTernaryExp(condition.block)}`;
    }
    // v-if with v-once should generate code like (a)?_m(0):_m(1)
    function genTernaryExp(el) {
        return altGen
            ? altGen(el, state)
            : el.once
                ? genOnce(el, state)
                : genElement(el, state);
    }
}
function genFor(el, state, altGen, altHelper) {
    const exp = el.for;
    const alias = el.alias;
    const iterator1 = el.iterator1 ? `,${el.iterator1}` : '';
    const iterator2 = el.iterator2 ? `,${el.iterator2}` : '';
    if (process.env.NODE_ENV !== 'production' &&
        state.maybeComponent(el) &&
        el.tag !== 'slot' &&
        el.tag !== 'template' &&
        !el.key) {
        state.warn(`<${el.tag} v-for="${alias} in ${exp}">: component lists rendered with ` +
            `v-for should have explicit keys. ` +
            `See https://v2.vuejs.org/v2/guide/list.html#key for more info.`, el.rawAttrsMap['v-for'], true /* tip */);
    }
    el.forProcessed = true; // avoid recursion
    return (`${altHelper || '_l'}((${exp}),` +
        `function(${alias}${iterator1}${iterator2}){` +
        `return ${(altGen || genElement)(el, state)}` +
        '})');
}
function genData(el, state) {
    let data = '{';
    // directives first.
    // directives may mutate the el's other properties before they are generated.
    const dirs = genDirectives(el, state);
    if (dirs)
        data += dirs + ',';
    // key
    if (el.key) {
        data += `key:${el.key},`;
    }
    // ref
    if (el.ref) {
        data += `ref:${el.ref},`;
    }
    if (el.refInFor) {
        data += `refInFor:true,`;
    }
    // pre
    if (el.pre) {
        data += `pre:true,`;
    }
    // record original tag name for components using "is" attribute
    if (el.component) {
        data += `tag:"${el.tag}",`;
    }
    // module data generation functions
    for (let i = 0; i < state.dataGenFns.length; i++) {
        data += state.dataGenFns[i](el);
    }
    // attributes
    if (el.attrs) {
        data += `attrs:${genProps(el.attrs)},`;
    }
    // DOM props
    if (el.props) {
        data += `domProps:${genProps(el.props)},`;
    }
    // event handlers
    if (el.events) {
        data += `${genHandlers(el.events, false)},`;
    }
    if (el.nativeEvents) {
        data += `${genHandlers(el.nativeEvents, true)},`;
    }
    // slot target
    // only for non-scoped slots
    if (el.slotTarget && !el.slotScope) {
        data += `slot:${el.slotTarget},`;
    }
    // scoped slots
    if (el.scopedSlots) {
        data += `${genScopedSlots(el, el.scopedSlots, state)},`;
    }
    // component v-model
    if (el.model) {
        data += `model:{value:${el.model.value},callback:${el.model.callback},expression:${el.model.expression}},`;
    }
    // inline-template
    if (el.inlineTemplate) {
        const inlineTemplate = genInlineTemplate(el, state);
        if (inlineTemplate) {
            data += `${inlineTemplate},`;
        }
    }
    data = data.replace(/,$/, '') + '}';
    // v-bind dynamic argument wrap
    // v-bind with dynamic arguments must be applied using the same v-bind object
    // merge helper so that class/style/mustUseProp attrs are handled correctly.
    if (el.dynamicAttrs) {
        data = `_b(${data},"${el.tag}",${genProps(el.dynamicAttrs)})`;
    }
    // v-bind data wrap
    if (el.wrapData) {
        data = el.wrapData(data);
    }
    // v-on data wrap
    if (el.wrapListeners) {
        data = el.wrapListeners(data);
    }
    return data;
}
function genDirectives(el, state) {
    const dirs = el.directives;
    if (!dirs)
        return;
    let res = 'directives:[';
    let hasRuntime = false;
    let i, l, dir, needRuntime;
    for (i = 0, l = dirs.length; i < l; i++) {
        dir = dirs[i];
        needRuntime = true;
        const gen = state.directives[dir.name];
        if (gen) {
            // compile-time directive that manipulates AST.
            // returns true if it also needs a runtime counterpart.
            needRuntime = !!gen(el, dir, state.warn);
        }
        if (needRuntime) {
            hasRuntime = true;
            res += `{name:"${dir.name}",rawName:"${dir.rawName}"${dir.value
                ? `,value:(${dir.value}),expression:${JSON.stringify(dir.value)}`
                : ''}${dir.arg ? `,arg:${dir.isDynamicArg ? dir.arg : `"${dir.arg}"`}` : ''}${dir.modifiers ? `,modifiers:${JSON.stringify(dir.modifiers)}` : ''}},`;
        }
    }
    if (hasRuntime) {
        return res.slice(0, -1) + ']';
    }
}
function genInlineTemplate(el, state) {
    const ast = el.children[0];
    if (process.env.NODE_ENV !== 'production' && (el.children.length !== 1 || ast.type !== 1)) {
        state.warn('Inline-template components must have exactly one child element.', { start: el.start });
    }
    if (ast && ast.type === 1) {
        const inlineRenderFns = generate$1(ast, state.options);
        return `inlineTemplate:{render:function(){${inlineRenderFns.render}},staticRenderFns:[${inlineRenderFns.staticRenderFns
            .map(code => `function(){${code}}`)
            .join(',')}]}`;
    }
}
function genScopedSlots(el, slots, state) {
    // by default scoped slots are considered "stable", this allows child
    // components with only scoped slots to skip forced updates from parent.
    // but in some cases we have to bail-out of this optimization
    // for example if the slot contains dynamic names, has v-if or v-for on them...
    let needsForceUpdate = el.for ||
        Object.keys(slots).some(key => {
            const slot = slots[key];
            return (slot.slotTargetDynamic || slot.if || slot.for || containsSlotChild(slot) // is passing down slot from parent which may be dynamic
            );
        });
    // #9534: if a component with scoped slots is inside a conditional branch,
    // it's possible for the same component to be reused but with different
    // compiled slot content. To avoid that, we generate a unique key based on
    // the generated code of all the slot contents.
    let needsKey = !!el.if;
    // OR when it is inside another scoped slot or v-for (the reactivity may be
    // disconnected due to the intermediate scope variable)
    // #9438, #9506
    // TODO: this can be further optimized by properly analyzing in-scope bindings
    // and skip force updating ones that do not actually use scope variables.
    if (!needsForceUpdate) {
        let parent = el.parent;
        while (parent) {
            if ((parent.slotScope && parent.slotScope !== emptySlotScopeToken) ||
                parent.for) {
                needsForceUpdate = true;
                break;
            }
            if (parent.if) {
                needsKey = true;
            }
            parent = parent.parent;
        }
    }
    const generatedSlots = Object.keys(slots)
        .map(key => genScopedSlot(slots[key], state))
        .join(',');
    return `scopedSlots:_u([${generatedSlots}]${needsForceUpdate ? `,null,true` : ``}${!needsForceUpdate && needsKey ? `,null,false,${hash(generatedSlots)}` : ``})`;
}
function hash(str) {
    let hash = 5381;
    let i = str.length;
    while (i) {
        hash = (hash * 33) ^ str.charCodeAt(--i);
    }
    return hash >>> 0;
}
function containsSlotChild(el) {
    if (el.type === 1) {
        if (el.tag === 'slot') {
            return true;
        }
        return el.children.some(containsSlotChild);
    }
    return false;
}
function genScopedSlot(el, state) {
    const isLegacySyntax = el.attrsMap['slot-scope'];
    if (el.if && !el.ifProcessed && !isLegacySyntax) {
        return genIf(el, state, genScopedSlot, `null`);
    }
    if (el.for && !el.forProcessed) {
        return genFor(el, state, genScopedSlot);
    }
    const slotScope = el.slotScope === emptySlotScopeToken ? `` : String(el.slotScope);
    const fn = `function(${slotScope}){` +
        `return ${el.tag === 'template'
            ? el.if && isLegacySyntax
                ? `(${el.if})?${genChildren(el, state) || 'undefined'}:undefined`
                : genChildren(el, state) || 'undefined'
            : genElement(el, state)}}`;
    // reverse proxy v-slot without scope on this.$slots
    const reverseProxy = slotScope ? `` : `,proxy:true`;
    return `{key:${el.slotTarget || `"default"`},fn:${fn}${reverseProxy}}`;
}
function genChildren(el, state, checkSkip, altGenElement, altGenNode) {
    const children = el.children;
    if (children.length) {
        const el = children[0];
        // optimize single v-for
        if (children.length === 1 &&
            el.for &&
            el.tag !== 'template' &&
            el.tag !== 'slot') {
            const normalizationType = checkSkip
                ? state.maybeComponent(el)
                    ? `,1`
                    : `,0`
                : ``;
            return `${(altGenElement || genElement)(el, state)}${normalizationType}`;
        }
        const normalizationType = checkSkip
            ? getNormalizationType(children, state.maybeComponent)
            : 0;
        const gen = altGenNode || genNode;
        return `[${children.map(c => gen(c, state)).join(',')}]${normalizationType ? `,${normalizationType}` : ''}`;
    }
}
// determine the normalization needed for the children array.
// 0: no normalization needed
// 1: simple normalization needed (possible 1-level deep nested array)
// 2: full normalization needed
function getNormalizationType(children, maybeComponent) {
    let res = 0;
    for (let i = 0; i < children.length; i++) {
        const el = children[i];
        if (el.type !== 1) {
            continue;
        }
        if (needsNormalization(el) ||
            (el.ifConditions &&
                el.ifConditions.some(c => needsNormalization(c.block)))) {
            res = 2;
            break;
        }
        if (maybeComponent(el) ||
            (el.ifConditions && el.ifConditions.some(c => maybeComponent(c.block)))) {
            res = 1;
        }
    }
    return res;
}
function needsNormalization(el) {
    return el.for !== undefined || el.tag === 'template' || el.tag === 'slot';
}
function genNode(node, state) {
    if (node.type === 1) {
        return genElement(node, state);
    }
    else if (node.type === 3 && node.isComment) {
        return genComment(node);
    }
    else {
        return genText(node);
    }
}
function genText(text) {
    return `_v(${text.type === 2
        ? text.expression // no need for () because already wrapped in _s()
        : transformSpecialNewlines(JSON.stringify(text.text))})`;
}
function genComment(comment) {
    return `_e(${JSON.stringify(comment.text)})`;
}
function genSlot(el, state) {
    const slotName = el.slotName || '"default"';
    const children = genChildren(el, state);
    let res = `_t(${slotName}${children ? `,function(){return ${children}}` : ''}`;
    const attrs = el.attrs || el.dynamicAttrs
        ? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(attr => ({
            // slot props are camelized
            name: camelize(attr.name),
            value: attr.value,
            dynamic: attr.dynamic
        })))
        : null;
    const bind = el.attrsMap['v-bind'];
    if ((attrs || bind) && !children) {
        res += `,null`;
    }
    if (attrs) {
        res += `,${attrs}`;
    }
    if (bind) {
        res += `${attrs ? '' : ',null'},${bind}`;
    }
    return res + ')';
}
// componentName is el.component, take it as argument to shun flow's pessimistic refinement
function genComponent(componentName, el, state) {
    const children = el.inlineTemplate ? null : genChildren(el, state, true);
    return `_c(${componentName},${genData(el, state)}${children ? `,${children}` : ''})`;
}
function genProps(props) {
    let staticProps = ``;
    let dynamicProps = ``;
    for (let i = 0; i < props.length; i++) {
        const prop = props[i];
        const value = transformSpecialNewlines(prop.value);
        if (prop.dynamic) {
            dynamicProps += `${prop.name},${value},`;
        }
        else {
            staticProps += `"${prop.name}":${value},`;
        }
    }
    staticProps = `{${staticProps.slice(0, -1)}}`;
    if (dynamicProps) {
        return `_d(${staticProps},[${dynamicProps.slice(0, -1)}])`;
    }
    else {
        return staticProps;
    }
}
// #3895, #4268
function transformSpecialNewlines(text) {
    return text.replace(/\u2028/g, '\\u2028').replace(/\u2029/g, '\\u2029');
}

// these keywords should not appear inside expressions, but operators like
// typeof, instanceof and in are allowed
const prohibitedKeywordRE = new RegExp('\\b' +
    ('do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
        'super,throw,while,yield,delete,export,import,return,switch,default,' +
        'extends,finally,continue,debugger,function,arguments')
        .split(',')
        .join('\\b|\\b') +
    '\\b');
// these unary operators should not be used as property/method names
const unaryOperatorsRE = new RegExp('\\b' +
    'delete,typeof,void'.split(',').join('\\s*\$[^\$]*\\)|\\b') +
    '\\s*\$[^\$]*\\)');
// strip strings in expressions
const stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
// detect problematic expressions in a template
function detectErrors(ast, warn) {
    if (ast) {
        checkNode(ast, warn);
    }
}
function checkNode(node, warn) {
    if (node.type === 1) {
        for (const name in node.attrsMap) {
            if (dirRE.test(name)) {
                const value = node.attrsMap[name];
                if (value) {
                    const range = node.rawAttrsMap[name];
                    if (name === 'v-for') {
                        checkFor(node, `v-for="${value}"`, warn, range);
                    }
                    else if (name === 'v-slot' || name[0] === '#') {
                        checkFunctionParameterExpression(value, `${name}="${value}"`, warn, range);
                    }
                    else if (onRE.test(name)) {
                        checkEvent(value, `${name}="${value}"`, warn, range);
                    }
                    else {
                        checkExpression(value, `${name}="${value}"`, warn, range);
                    }
                }
            }
        }
        if (node.children) {
            for (let i = 0; i < node.children.length; i++) {
                checkNode(node.children[i], warn);
            }
        }
    }
    else if (node.type === 2) {
        checkExpression(node.expression, node.text, warn, node);
    }
}
function checkEvent(exp, text, warn, range) {
    const stripped = exp.replace(stripStringRE, '');
    const keywordMatch = stripped.match(unaryOperatorsRE);
    if (keywordMatch && stripped.charAt(keywordMatch.index - 1) !== '$') {
        warn(`avoid using JavaScript unary operator as property name: ` +
            `"${keywordMatch[0]}" in expression ${text.trim()}`, range);
    }
    checkExpression(exp, text, warn, range);
}
function checkFor(node, text, warn, range) {
    checkExpression(node.for || '', text, warn, range);
    checkIdentifier(node.alias, 'v-for alias', text, warn, range);
    checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range);
    checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range);
}
function checkIdentifier(ident, type, text, warn, range) {
    if (typeof ident === 'string') {
        try {
            new Function(`var ${ident}=_`);
        }
        catch (e) {
            warn(`invalid ${type} "${ident}" in expression: ${text.trim()}`, range);
        }
    }
}
function checkExpression(exp, text, warn, range) {
    try {
        new Function(`return ${exp}`);
    }
    catch (e) {
        const keywordMatch = exp
            .replace(stripStringRE, '')
            .match(prohibitedKeywordRE);
        if (keywordMatch) {
            warn(`avoid using JavaScript keyword as property name: ` +
                `"${keywordMatch[0]}"\n  Raw expression: ${text.trim()}`, range);
        }
        else {
            warn(`invalid expression: ${e.message} in\n\n` +
                `    ${exp}\n\n` +
                `  Raw expression: ${text.trim()}\n`, range);
        }
    }
}
function checkFunctionParameterExpression(exp, text, warn, range) {
    try {
        new Function(exp, '');
    }
    catch (e) {
        warn(`invalid function parameter expression: ${e.message} in\n\n` +
            `    ${exp}\n\n` +
            `  Raw expression: ${text.trim()}\n`, range);
    }
}

// `createCompilerCreator` allows creating compilers that use alternative
// parser/optimizer/codegen, e.g the SSR optimizing compiler.
// Here we just export a default compiler using the default parts.
const createCompiler$1 = createCompilerCreator(function baseCompile(template, options) {
    const ast = parse(template.trim(), options);
    if (options.optimize !== false) {
        optimize$1(ast, options);
    }
    const code = generate$1(ast, options);
    return {
        ast,
        render: code.render,
        staticRenderFns: code.staticRenderFns
    };
});

const { compile: compile$1, compileToFunctions: compileToFunctions$1 } = createCompiler$1(baseOptions);

/**
 * In SSR, the vdom tree is generated only once and never patched, so
 * we can optimize most element / trees into plain string render functions.
 * The SSR optimizer walks the AST tree to detect optimizable elements and trees.
 *
 * The criteria for SSR optimizability is quite a bit looser than static tree
 * detection (which is designed for client re-render). In SSR we bail only for
 * components/slots/custom directives.
 */
// optimizability constants
const optimizability = {
    FALSE: 0,
    FULL: 1,
    SELF: 2,
    CHILDREN: 3,
    PARTIAL: 4 // self un-optimizable with some un-optimizable children
};
let isPlatformReservedTag;
function optimize(root, options) {
    if (!root)
        return;
    isPlatformReservedTag = options.isReservedTag || no;
    walk(root, true);
}
function walk(node, isRoot) {
    if (isUnOptimizableTree(node)) {
        node.ssrOptimizability = optimizability.FALSE;
        return;
    }
    // root node or nodes with custom directives should always be a VNode
    const selfUnoptimizable = isRoot || hasCustomDirective(node);
    const check = child => {
        if (child.ssrOptimizability !== optimizability.FULL) {
            node.ssrOptimizability = selfUnoptimizable
                ? optimizability.PARTIAL
                : optimizability.SELF;
        }
    };
    if (selfUnoptimizable) {
        node.ssrOptimizability = optimizability.CHILDREN;
    }
    if (node.type === 1) {
        for (let i = 0, l = node.children.length; i < l; i++) {
            const child = node.children[i];
            walk(child);
            check(child);
        }
        if (node.ifConditions) {
            for (let i = 1, l = node.ifConditions.length; i < l; i++) {
                const block = node.ifConditions[i].block;
                walk(block, isRoot);
                check(block);
            }
        }
        if (node.ssrOptimizability == null ||
            (!isRoot && (node.attrsMap['v-html'] || node.attrsMap['v-text']))) {
            node.ssrOptimizability = optimizability.FULL;
        }
        else {
            node.children = optimizeSiblings(node);
        }
    }
    else {
        node.ssrOptimizability = optimizability.FULL;
    }
}
function optimizeSiblings(el) {
    const children = el.children;
    const optimizedChildren = [];
    let currentOptimizableGroup = [];
    const pushGroup = () => {
        if (currentOptimizableGroup.length) {
            optimizedChildren.push({
                type: 1,
                parent: el,
                tag: 'template',
                attrsList: [],
                attrsMap: {},
                rawAttrsMap: {},
                children: currentOptimizableGroup,
                ssrOptimizability: optimizability.FULL
            });
        }
        currentOptimizableGroup = [];
    };
    for (let i = 0; i < children.length; i++) {
        const c = children[i];
        if (c.ssrOptimizability === optimizability.FULL) {
            currentOptimizableGroup.push(c);
        }
        else {
            // wrap fully-optimizable adjacent siblings inside a template tag
            // so that they can be optimized into a single ssrNode by codegen
            pushGroup();
            optimizedChildren.push(c);
        }
    }
    pushGroup();
    return optimizedChildren;
}
function isUnOptimizableTree(node) {
    if (node.type === 2 || node.type === 3) {
        // text or expression
        return false;
    }
    return (isBuiltInTag(node.tag) || // built-in (slot, component)
        !isPlatformReservedTag(node.tag) || // custom component
        !!node.component || // "is" component
        isSelectWithModel(node) // <select v-model> requires runtime inspection
    );
}
const isBuiltInDir = makeMap('text,html,show,on,bind,model,pre,cloak,once');
function hasCustomDirective(node) {
    return (node.type === 1 &&
        node.directives &&
        node.directives.some(d => !isBuiltInDir(d.name)));
}
// <select v-model> cannot be optimized because it requires a runtime check
// to determine proper selected option
function isSelectWithModel(node) {
    return (node.type === 1 &&
        node.tag === 'select' &&
        node.directives != null &&
        node.directives.some(d => d.name === 'model'));
}

// The SSR codegen is essentially extending the default codegen to handle
// segment types
const RAW = 0;
const INTERPOLATION = 1;
const EXPRESSION = 2;
function generate(ast, options) {
    const state = new CodegenState(options);
    const code = ast ? genSSRElement(ast, state) : '_c("div")';
    return {
        render: `with(this){return ${code}}`,
        staticRenderFns: state.staticRenderFns
    };
}
function genSSRElement(el, state) {
    if (el.for && !el.forProcessed) {
        return genFor(el, state, genSSRElement);
    }
    else if (el.if && !el.ifProcessed) {
        return genIf(el, state, genSSRElement);
    }
    else if (el.tag === 'template' && !el.slotTarget) {
        return el.ssrOptimizability === optimizability.FULL
            ? genChildrenAsStringNode(el, state)
            : genSSRChildren(el, state) || 'void 0';
    }
    switch (el.ssrOptimizability) {
        case optimizability.FULL:
            // stringify whole tree
            return genStringElement(el, state);
        case optimizability.SELF:
            // stringify self and check children
            return genStringElementWithChildren(el, state);
        case optimizability.CHILDREN:
            // generate self as VNode and stringify children
            return genNormalElement(el, state, true);
        case optimizability.PARTIAL:
            // generate self as VNode and check children
            return genNormalElement(el, state, false);
        default:
            // bail whole tree
            return genElement(el, state);
    }
}
function genNormalElement(el, state, stringifyChildren) {
    const data = el.plain ? undefined : genData(el, state);
    const children = stringifyChildren
        ? `[${genChildrenAsStringNode(el, state)}]`
        : genSSRChildren(el, state, true);
    return `_c('${el.tag}'${data ? `,${data}` : ''}${children ? `,${children}` : ''})`;
}
function genSSRChildren(el, state, checkSkip) {
    return genChildren(el, state, checkSkip, genSSRElement, genSSRNode);
}
function genSSRNode(el, state) {
    return el.type === 1 ? genSSRElement(el, state) : genText(el);
}
function genChildrenAsStringNode(el, state) {
    return el.children.length
        ? `_ssrNode(${flattenSegments(childrenToSegments(el, state))})`
        : '';
}
function genStringElement(el, state) {
    return `_ssrNode(${elementToString(el, state)})`;
}
function genStringElementWithChildren(el, state) {
    const children = genSSRChildren(el, state, true);
    return `_ssrNode(${flattenSegments(elementToOpenTagSegments(el, state))},"</${el.tag}>"${children ? `,${children}` : ''})`;
}
function elementToString(el, state) {
    return `(${flattenSegments(elementToSegments(el, state))})`;
}
function elementToSegments(el, state) {
    // v-for / v-if
    if (el.for && !el.forProcessed) {
        el.forProcessed = true;
        return [
            {
                type: EXPRESSION,
                value: genFor(el, state, elementToString, '_ssrList')
            }
        ];
    }
    else if (el.if && !el.ifProcessed) {
        el.ifProcessed = true;
        return [
            {
                type: EXPRESSION,
                value: genIf(el, state, elementToString, '""')
            }
        ];
    }
    else if (el.tag === 'template') {
        return childrenToSegments(el, state);
    }
    const openSegments = elementToOpenTagSegments(el, state);
    const childrenSegments = childrenToSegments(el, state);
    const { isUnaryTag } = state.options;
    const close = isUnaryTag && isUnaryTag(el.tag)
        ? []
        : [{ type: RAW, value: `</${el.tag}>` }];
    return openSegments.concat(childrenSegments, close);
}
function elementToOpenTagSegments(el, state) {
    applyModelTransform(el, state);
    let binding;
    const segments = [{ type: RAW, value: `<${el.tag}` }];
    // attrs
    if (el.attrs) {
        segments.push.apply(segments, genAttrSegments(el.attrs));
    }
    // domProps
    if (el.props) {
        segments.push.apply(segments, genDOMPropSegments(el.props, el.attrs));
    }
    // v-bind="object"
    if ((binding = el.attrsMap['v-bind'])) {
        segments.push({ type: EXPRESSION, value: `_ssrAttrs(${binding})` });
    }
    // v-bind.prop="object"
    if ((binding = el.attrsMap['v-bind.prop'])) {
        segments.push({ type: EXPRESSION, value: `_ssrDOMProps(${binding})` });
    }
    // class
    if (el.staticClass || el.classBinding) {
        segments.push.apply(segments, genClassSegments(el.staticClass, el.classBinding));
    }
    // style & v-show
    if (el.staticStyle || el.styleBinding || el.attrsMap['v-show']) {
        segments.push.apply(segments, genStyleSegments(el.attrsMap.style, el.staticStyle, el.styleBinding, el.attrsMap['v-show']));
    }
    // _scopedId
    if (state.options.scopeId) {
        segments.push({ type: RAW, value: ` ${state.options.scopeId}` });
    }
    segments.push({ type: RAW, value: `>` });
    return segments;
}
function childrenToSegments(el, state) {
    let binding;
    if ((binding = el.attrsMap['v-html'])) {
        return [{ type: EXPRESSION, value: `_s(${binding})` }];
    }
    if ((binding = el.attrsMap['v-text'])) {
        return [{ type: INTERPOLATION, value: `_s(${binding})` }];
    }
    if (el.tag === 'textarea' && (binding = el.attrsMap['v-model'])) {
        return [{ type: INTERPOLATION, value: `_s(${binding})` }];
    }
    return el.children ? nodesToSegments(el.children, state) : [];
}
function nodesToSegments(children, state) {
    const segments = [];
    for (let i = 0; i < children.length; i++) {
        const c = children[i];
        if (c.type === 1) {
            segments.push.apply(segments, elementToSegments(c, state));
        }
        else if (c.type === 2) {
            segments.push({ type: INTERPOLATION, value: c.expression });
        }
        else if (c.type === 3) {
            let text = escape(c.text);
            if (c.isComment) {
                text = '';
            }
            segments.push({ type: RAW, value: text });
        }
    }
    return segments;
}
function flattenSegments(segments) {
    const mergedSegments = [];
    let textBuffer = '';
    const pushBuffer = () => {
        if (textBuffer) {
            mergedSegments.push(JSON.stringify(textBuffer));
            textBuffer = '';
        }
    };
    for (let i = 0; i < segments.length; i++) {
        const s = segments[i];
        if (s.type === RAW) {
            textBuffer += s.value;
        }
        else if (s.type === INTERPOLATION) {
            pushBuffer();
            mergedSegments.push(`_ssrEscape(${s.value})`);
        }
        else if (s.type === EXPRESSION) {
            pushBuffer();
            mergedSegments.push(`(${s.value})`);
        }
    }
    pushBuffer();
    return mergedSegments.join('+');
}

const createCompiler = createCompilerCreator(function baseCompile(template, options) {
    const ast = parse(template.trim(), options);
    optimize(ast, options);
    const code = generate(ast, options);
    return {
        ast,
        render: code.render,
        staticRenderFns: code.staticRenderFns
    };
});

const { compile, compileToFunctions } = createCompiler(baseOptions);

exports.compile = compile$1;
exports.compileToFunctions = compileToFunctions$1;
exports.generateCodeFrame = generateCodeFrame;
exports.parseComponent = parseComponent;
exports.ssrCompile = compile;
exports.ssrCompileToFunctions = compileToFunctions;