source: node_modules/@vue/shared/dist/shared.esm-bundler.js@ a70b5a4

/**
* @vue/shared v3.5.13
* (c) 2018-present Yuxi (Evan) You and Vue contributors
* @license MIT
**/
/*! #__NO_SIDE_EFFECTS__ */
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const NOOP = () => {
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const isObject = (val) => val !== null && typeof val === "object";
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let _globalThis;
const getGlobalThis = () => {
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const identRE = /^[_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*$/;
function genPropsAccessExp(name) {
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}
function genCacheKey(source, options) {
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const PatchFlags = {
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  "PROPS": 8,
  "8": "PROPS",
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  "SUSPENSE": 128,
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};

const SlotFlags = {
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  "FORWARDED": 3,
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};
const slotFlagsText = {
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};

const GLOBALS_ALLOWED = "Infinity,undefined,NaN,isFinite,isNaN,parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,BigInt,console,Error,Symbol";
const isGloballyAllowed = /* @__PURE__ */ makeMap(GLOBALS_ALLOWED);
const isGloballyWhitelisted = isGloballyAllowed;

const range = 2;
function generateCodeFrame(source, start = 0, end = source.length) {
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}

function normalizeStyle(value) {
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  } else if (isString(value) || isObject(value)) {
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}
const listDelimiterRE = /;(?![^(]*\))/g;
const propertyDelimiterRE = /:([^]+)/;
const styleCommentRE = /\/\*[^]*?\*\//g;
function parseStringStyle(cssText) {
  const ret = {};
  cssText.replace(styleCommentRE, "").split(listDelimiterRE).forEach((item) => {
    if (item) {
      const tmp = item.split(propertyDelimiterRE);
      tmp.length > 1 && (ret[tmp[0].trim()] = tmp[1].trim());
    }
  });
  return ret;
}
function stringifyStyle(styles) {
  if (!styles) return "";
  if (isString(styles)) return styles;
  let ret = "";
  for (const key in styles) {
    const value = styles[key];
    if (isString(value) || typeof value === "number") {
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      ret += `${normalizedKey}:${value};`;
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}
function normalizeClass(value) {
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  if (isString(value)) {
    res = value;
  } else if (isArray(value)) {
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    for (const name in value) {
      if (value[name]) {
        res += name + " ";
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  return res.trim();
}
function normalizeProps(props) {
  if (!props) return null;
  let { class: klass, style } = props;
  if (klass && !isString(klass)) {
    props.class = normalizeClass(klass);
  }
  if (style) {
    props.style = normalizeStyle(style);
  }
  return props;
}

const HTML_TAGS = "html,body,base,head,link,meta,style,title,address,article,aside,footer,header,hgroup,h1,h2,h3,h4,h5,h6,nav,section,div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,ruby,s,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,embed,object,param,source,canvas,script,noscript,del,ins,caption,col,colgroup,table,thead,tbody,td,th,tr,button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,output,progress,select,textarea,details,dialog,menu,summary,template,blockquote,iframe,tfoot";
const SVG_TAGS = "svg,animate,animateMotion,animateTransform,circle,clipPath,color-profile,defs,desc,discard,ellipse,feBlend,feColorMatrix,feComponentTransfer,feComposite,feConvolveMatrix,feDiffuseLighting,feDisplacementMap,feDistantLight,feDropShadow,feFlood,feFuncA,feFuncB,feFuncG,feFuncR,feGaussianBlur,feImage,feMerge,feMergeNode,feMorphology,feOffset,fePointLight,feSpecularLighting,feSpotLight,feTile,feTurbulence,filter,foreignObject,g,hatch,hatchpath,image,line,linearGradient,marker,mask,mesh,meshgradient,meshpatch,meshrow,metadata,mpath,path,pattern,polygon,polyline,radialGradient,rect,set,solidcolor,stop,switch,symbol,text,textPath,title,tspan,unknown,use,view";
const MATH_TAGS = "annotation,annotation-xml,maction,maligngroup,malignmark,math,menclose,merror,mfenced,mfrac,mfraction,mglyph,mi,mlabeledtr,mlongdiv,mmultiscripts,mn,mo,mover,mpadded,mphantom,mprescripts,mroot,mrow,ms,mscarries,mscarry,msgroup,msline,mspace,msqrt,msrow,mstack,mstyle,msub,msubsup,msup,mtable,mtd,mtext,mtr,munder,munderover,none,semantics";
const VOID_TAGS = "area,base,br,col,embed,hr,img,input,link,meta,param,source,track,wbr";
const isHTMLTag = /* @__PURE__ */ makeMap(HTML_TAGS);
const isSVGTag = /* @__PURE__ */ makeMap(SVG_TAGS);
const isMathMLTag = /* @__PURE__ */ makeMap(MATH_TAGS);
const isVoidTag = /* @__PURE__ */ makeMap(VOID_TAGS);

const specialBooleanAttrs = `itemscope,allowfullscreen,formnovalidate,ismap,nomodule,novalidate,readonly`;
const isSpecialBooleanAttr = /* @__PURE__ */ makeMap(specialBooleanAttrs);
const isBooleanAttr = /* @__PURE__ */ makeMap(
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);
function includeBooleanAttr(value) {
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}
const unsafeAttrCharRE = /[>/="'\u0009\u000a\u000c\u0020]/;
const attrValidationCache = {};
function isSSRSafeAttrName(name) {
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    return attrValidationCache[name];
  }
  const isUnsafe = unsafeAttrCharRE.test(name);
  if (isUnsafe) {
    console.error(`unsafe attribute name: ${name}`);
  }
  return attrValidationCache[name] = !isUnsafe;
}
const propsToAttrMap = {
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  className: "class",
  htmlFor: "for",
  httpEquiv: "http-equiv"
};
const isKnownHtmlAttr = /* @__PURE__ */ makeMap(
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);
const isKnownSvgAttr = /* @__PURE__ */ makeMap(
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);
const isKnownMathMLAttr = /* @__PURE__ */ makeMap(
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);
function isRenderableAttrValue(value) {
  if (value == null) {
    return false;
  }
  const type = typeof value;
  return type === "string" || type === "number" || type === "boolean";
}

const escapeRE = /["'&<>]/;
function escapeHtml(string) {
  const str = "" + string;
  const match = escapeRE.exec(str);
  if (!match) {
    return str;
  }
  let html = "";
  let escaped;
  let index;
  let lastIndex = 0;
  for (index = match.index; index < str.length; index++) {
    switch (str.charCodeAt(index)) {
      case 34:
        escaped = "&quot;";
        break;
      case 38:
        escaped = "&amp;";
        break;
      case 39:
        escaped = "&#39;";
        break;
      case 60:
        escaped = "&lt;";
        break;
      case 62:
        escaped = "&gt;";
        break;
      default:
        continue;
    }
    if (lastIndex !== index) {
      html += str.slice(lastIndex, index);
    }
    lastIndex = index + 1;
    html += escaped;
  }
  return lastIndex !== index ? html + str.slice(lastIndex, index) : html;
}
const commentStripRE = /^-?>|<!--|-->|--!>|<!-$/g;
function escapeHtmlComment(src) {
  return src.replace(commentStripRE, "");
}
const cssVarNameEscapeSymbolsRE = /[ !"#$%&'()*+,./:;<=>?@[\\\]^`{|}~]/g;
function getEscapedCssVarName(key, doubleEscape) {
  return key.replace(
    cssVarNameEscapeSymbolsRE,
    (s) => doubleEscape ? s === '"' ? '\\\\\\"' : `\\\\${s}` : `\\${s}`
  );
}

function looseCompareArrays(a, b) {
  if (a.length !== b.length) return false;
  let equal = true;
  for (let i = 0; equal && i < a.length; i++) {
    equal = looseEqual(a[i], b[i]);
  }
  return equal;
}
function looseEqual(a, b) {
  if (a === b) return true;
  let aValidType = isDate(a);
  let bValidType = isDate(b);
  if (aValidType || bValidType) {
    return aValidType && bValidType ? a.getTime() === b.getTime() : false;
  }
  aValidType = isSymbol(a);
  bValidType = isSymbol(b);
  if (aValidType || bValidType) {
    return a === b;
  }
  aValidType = isArray(a);
  bValidType = isArray(b);
  if (aValidType || bValidType) {
    return aValidType && bValidType ? looseCompareArrays(a, b) : false;
  }
  aValidType = isObject(a);
  bValidType = isObject(b);
  if (aValidType || bValidType) {
    if (!aValidType || !bValidType) {
      return false;
    }
    const aKeysCount = Object.keys(a).length;
    const bKeysCount = Object.keys(b).length;
    if (aKeysCount !== bKeysCount) {
      return false;
    }
    for (const key in a) {
      const aHasKey = a.hasOwnProperty(key);
      const bHasKey = b.hasOwnProperty(key);
      if (aHasKey && !bHasKey || !aHasKey && bHasKey || !looseEqual(a[key], b[key])) {
        return false;
      }
    }
  }
  return String(a) === String(b);
}
function looseIndexOf(arr, val) {
  return arr.findIndex((item) => looseEqual(item, val));
}

const isRef = (val) => {
  return !!(val && val["__v_isRef"] === true);
};
const toDisplayString = (val) => {
  return isString(val) ? val : val == null ? "" : isArray(val) || isObject(val) && (val.toString === objectToString || !isFunction(val.toString)) ? isRef(val) ? toDisplayString(val.value) : JSON.stringify(val, replacer, 2) : String(val);
};
const replacer = (_key, val) => {
  if (isRef(val)) {
    return replacer(_key, val.value);
  } else if (isMap(val)) {
    return {
      [`Map(${val.size})`]: [...val.entries()].reduce(
        (entries, [key, val2], i) => {
          entries[stringifySymbol(key, i) + " =>"] = val2;
          return entries;
        },
        {}
      )
    };
  } else if (isSet(val)) {
    return {
      [`Set(${val.size})`]: [...val.values()].map((v) => stringifySymbol(v))
    };
  } else if (isSymbol(val)) {
    return stringifySymbol(val);
  } else if (isObject(val) && !isArray(val) && !isPlainObject(val)) {
    return String(val);
  }
  return val;
};
const stringifySymbol = (v, i = "") => {
  var _a;
  return (
    // Symbol.description in es2019+ so we need to cast here to pass
    // the lib: es2016 check
    isSymbol(v) ? `Symbol(${(_a = v.description) != null ? _a : i})` : v
  );
};

export { EMPTY_ARR, EMPTY_OBJ, NO, NOOP, PatchFlagNames, PatchFlags, ShapeFlags, SlotFlags, camelize, capitalize, cssVarNameEscapeSymbolsRE, def, escapeHtml, escapeHtmlComment, extend, genCacheKey, genPropsAccessExp, generateCodeFrame, getEscapedCssVarName, getGlobalThis, hasChanged, hasOwn, hyphenate, includeBooleanAttr, invokeArrayFns, isArray, isBooleanAttr, isBuiltInDirective, isDate, isFunction, isGloballyAllowed, isGloballyWhitelisted, isHTMLTag, isIntegerKey, isKnownHtmlAttr, isKnownMathMLAttr, isKnownSvgAttr, isMap, isMathMLTag, isModelListener, isObject, isOn, isPlainObject, isPromise, isRegExp, isRenderableAttrValue, isReservedProp, isSSRSafeAttrName, isSVGTag, isSet, isSpecialBooleanAttr, isString, isSymbol, isVoidTag, looseEqual, looseIndexOf, looseToNumber, makeMap, normalizeClass, normalizeProps, normalizeStyle, objectToString, parseStringStyle, propsToAttrMap, remove, slotFlagsText, stringifyStyle, toDisplayString, toHandlerKey, toNumber, toRawType, toTypeString };