jingcai/node_modules/@vue/shared/dist/shared.esm-bundler.js

function makeMap(str, expectsLowerCase) {
  const map = /* @__PURE__ */ Object.create(null);
  const list = str.split(",");
  for (let i = 0; i < list.length; i++) {
    map[list[i]] = true;
  }
  return expectsLowerCase ? (val) => !!map[val.toLowerCase()] : (val) => !!map[val];
}

const EMPTY_OBJ = !!(process.env.NODE_ENV !== "production") ? Object.freeze({}) : {};
const EMPTY_ARR = !!(process.env.NODE_ENV !== "production") ? Object.freeze([]) : [];
const NOOP = () => {
};
const NO = () => false;
const onRE = /^on[^a-z]/;
const isOn = (key) => onRE.test(key);
const isModelListener = (key) => key.startsWith("onUpdate:");
const extend = Object.assign;
const remove = (arr, el) => {
  const i = arr.indexOf(el);
  if (i > -1) {
    arr.splice(i, 1);
  }
};
const hasOwnProperty = Object.prototype.hasOwnProperty;
const hasOwn = (val, key) => hasOwnProperty.call(val, key);
const isArray = Array.isArray;
const isMap = (val) => toTypeString(val) === "[object Map]";
const isSet = (val) => toTypeString(val) === "[object Set]";
const isDate = (val) => toTypeString(val) === "[object Date]";
const isRegExp = (val) => toTypeString(val) === "[object RegExp]";
const isFunction = (val) => typeof val === "function";
const isString = (val) => typeof val === "string";
const isSymbol = (val) => typeof val === "symbol";
const isObject = (val) => val !== null && typeof val === "object";
const isPromise = (val) => {
  return isObject(val) && isFunction(val.then) && isFunction(val.catch);
};
const objectToString = Object.prototype.toString;
const toTypeString = (value) => objectToString.call(value);
const toRawType = (value) => {
  return toTypeString(value).slice(8, -1);
};
const isPlainObject = (val) => toTypeString(val) === "[object Object]";
const isIntegerKey = (key) => isString(key) && key !== "NaN" && key[0] !== "-" && "" + parseInt(key, 10) === key;
const isReservedProp = /* @__PURE__ */ makeMap(
  // the leading comma is intentional so empty string "" is also included
  ",key,ref,ref_for,ref_key,onVnodeBeforeMount,onVnodeMounted,onVnodeBeforeUpdate,onVnodeUpdated,onVnodeBeforeUnmount,onVnodeUnmounted"
);
const isBuiltInDirective = /* @__PURE__ */ makeMap(
  "bind,cloak,else-if,else,for,html,if,model,on,once,pre,show,slot,text,memo"
);
const cacheStringFunction = (fn) => {
  const cache = /* @__PURE__ */ Object.create(null);
  return (str) => {
    const hit = cache[str];
    return hit || (cache[str] = fn(str));
  };
};
const camelizeRE = /-(\w)/g;
const camelize = cacheStringFunction((str) => {
  return str.replace(camelizeRE, (_, c) => c ? c.toUpperCase() : "");
});
const hyphenateRE = /\B([A-Z])/g;
const hyphenate = cacheStringFunction(
  (str) => str.replace(hyphenateRE, "-$1").toLowerCase()
);
const capitalize = cacheStringFunction(
  (str) => str.charAt(0).toUpperCase() + str.slice(1)
);
const toHandlerKey = cacheStringFunction(
  (str) => str ? `on${capitalize(str)}` : ``
);
const hasChanged = (value, oldValue) => !Object.is(value, oldValue);
const invokeArrayFns = (fns, arg) => {
  for (let i = 0; i < fns.length; i++) {
    fns[i](arg);
  }
};
const def = (obj, key, value) => {
  Object.defineProperty(obj, key, {
    configurable: true,
    enumerable: false,
    value
  });
};
const looseToNumber = (val) => {
  const n = parseFloat(val);
  return isNaN(n) ? val : n;
};
const toNumber = (val) => {
  const n = isString(val) ? Number(val) : NaN;
  return isNaN(n) ? val : n;
};
let _globalThis;
const getGlobalThis = () => {
  return _globalThis || (_globalThis = typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : typeof global !== "undefined" ? global : {});
};
const identRE = /^[_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*$/;
function genPropsAccessExp(name) {
  return identRE.test(name) ? `__props.${name}` : `__props[${JSON.stringify(name)}]`;
}

const PatchFlagNames = {
  [1]: `TEXT`,
  [2]: `CLASS`,
  [4]: `STYLE`,
  [8]: `PROPS`,
  [16]: `FULL_PROPS`,
  [32]: `HYDRATE_EVENTS`,
  [64]: `STABLE_FRAGMENT`,
  [128]: `KEYED_FRAGMENT`,
  [256]: `UNKEYED_FRAGMENT`,
  [512]: `NEED_PATCH`,
  [1024]: `DYNAMIC_SLOTS`,
  [2048]: `DEV_ROOT_FRAGMENT`,
  [-1]: `HOISTED`,
  [-2]: `BAIL`
};

const slotFlagsText = {
  [1]: "STABLE",
  [2]: "DYNAMIC",
  [3]: "FORWARDED"
};

const GLOBALS_WHITE_LISTED = "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";
const isGloballyWhitelisted = /* @__PURE__ */ makeMap(GLOBALS_WHITE_LISTED);

const range = 2;
function generateCodeFrame(source, start = 0, end = source.length) {
  let lines = source.split(/(\r?\n)/);
  const newlineSequences = lines.filter((_, idx) => idx % 2 === 1);
  lines = lines.filter((_, idx) => idx % 2 === 0);
  let count = 0;
  const res = [];
  for (let i = 0; i < lines.length; i++) {
    count += lines[i].length + (newlineSequences[i] && newlineSequences[i].length || 0);
    if (count >= start) {
      for (let j = i - range; j <= i + range || end > count; j++) {
        if (j < 0 || j >= lines.length)
          continue;
        const line = j + 1;
        res.push(
          `${line}${" ".repeat(Math.max(3 - String(line).length, 0))}|  ${lines[j]}`
        );
        const lineLength = lines[j].length;
        const newLineSeqLength = newlineSequences[j] && newlineSequences[j].length || 0;
        if (j === i) {
          const pad = start - (count - (lineLength + newLineSeqLength));
          const length = Math.max(
            1,
            end > count ? lineLength - pad : end - start
          );
          res.push(`   |  ` + " ".repeat(pad) + "^".repeat(length));
        } else if (j > i) {
          if (end > count) {
            const length = Math.max(Math.min(end - count, lineLength), 1);
            res.push(`   |  ` + "^".repeat(length));
          }
          count += lineLength + newLineSeqLength;
        }
      }
      break;
    }
  }
  return res.join("\n");
}

function normalizeStyle(value) {
  if (isArray(value)) {
    const res = {};
    for (let i = 0; i < value.length; i++) {
      const item = value[i];
      const normalized = isString(item) ? parseStringStyle(item) : normalizeStyle(item);
      if (normalized) {
        for (const key in normalized) {
          res[key] = normalized[key];
        }
      }
    }
    return res;
  } else if (isString(value)) {
    return value;
  } else if (isObject(value)) {
    return value;
  }
}
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) {
  let ret = "";
  if (!styles || isString(styles)) {
    return ret;
  }
  for (const key in styles) {
    const value = styles[key];
    const normalizedKey = key.startsWith(`--`) ? key : hyphenate(key);
    if (isString(value) || typeof value === "number") {
      ret += `${normalizedKey}:${value};`;
    }
  }
  return ret;
}
function normalizeClass(value) {
  let res = "";
  if (isString(value)) {
    res = value;
  } else if (isArray(value)) {
    for (let i = 0; i < value.length; i++) {
      const normalized = normalizeClass(value[i]);
      if (normalized) {
        res += normalized + " ";
      }
    }
  } else if (isObject(value)) {
    for (const name in value) {
      if (value[name]) {
        res += name + " ";
      }
    }
  }
  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 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 isVoidTag = /* @__PURE__ */ makeMap(VOID_TAGS);

const specialBooleanAttrs = `itemscope,allowfullscreen,formnovalidate,ismap,nomodule,novalidate,readonly`;
const isSpecialBooleanAttr = /* @__PURE__ */ makeMap(specialBooleanAttrs);
const isBooleanAttr = /* @__PURE__ */ makeMap(
  specialBooleanAttrs + `,async,autofocus,autoplay,controls,default,defer,disabled,hidden,inert,loop,open,required,reversed,scoped,seamless,checked,muted,multiple,selected`
);
function includeBooleanAttr(value) {
  return !!value || value === "";
}
const unsafeAttrCharRE = /[>/="'\u0009\u000a\u000c\u0020]/;
const attrValidationCache = {};
function isSSRSafeAttrName(name) {
  if (attrValidationCache.hasOwnProperty(name)) {
    return attrValidationCache[name];
  }
  const isUnsafe = unsafeAttrCharRE.test(name);
  if (isUnsafe) {
    console.error(`unsafe attribute name: ${name}`);
  }
  return attrValidationCache[name] = !isUnsafe;
}
const propsToAttrMap = {
  acceptCharset: "accept-charset",
  className: "class",
  htmlFor: "for",
  httpEquiv: "http-equiv"
};
const isKnownHtmlAttr = /* @__PURE__ */ makeMap(
  `accept,accept-charset,accesskey,action,align,allow,alt,async,autocapitalize,autocomplete,autofocus,autoplay,background,bgcolor,border,buffered,capture,challenge,charset,checked,cite,class,code,codebase,color,cols,colspan,content,contenteditable,contextmenu,controls,coords,crossorigin,csp,data,datetime,decoding,default,defer,dir,dirname,disabled,download,draggable,dropzone,enctype,enterkeyhint,for,form,formaction,formenctype,formmethod,formnovalidate,formtarget,headers,height,hidden,high,href,hreflang,http-equiv,icon,id,importance,inert,integrity,ismap,itemprop,keytype,kind,label,lang,language,loading,list,loop,low,manifest,max,maxlength,minlength,media,min,multiple,muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,preload,radiogroup,readonly,referrerpolicy,rel,required,reversed,rows,rowspan,sandbox,scope,scoped,selected,shape,size,sizes,slot,span,spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,target,title,translate,type,usemap,value,width,wrap`
);
const isKnownSvgAttr = /* @__PURE__ */ makeMap(
  `xmlns,accent-height,accumulate,additive,alignment-baseline,alphabetic,amplitude,arabic-form,ascent,attributeName,attributeType,azimuth,baseFrequency,baseline-shift,baseProfile,bbox,begin,bias,by,calcMode,cap-height,class,clip,clipPathUnits,clip-path,clip-rule,color,color-interpolation,color-interpolation-filters,color-profile,color-rendering,contentScriptType,contentStyleType,crossorigin,cursor,cx,cy,d,decelerate,descent,diffuseConstant,direction,display,divisor,dominant-baseline,dur,dx,dy,edgeMode,elevation,enable-background,end,exponent,fill,fill-opacity,fill-rule,filter,filterRes,filterUnits,flood-color,flood-opacity,font-family,font-size,font-size-adjust,font-stretch,font-style,font-variant,font-weight,format,from,fr,fx,fy,g1,g2,glyph-name,glyph-orientation-horizontal,glyph-orientation-vertical,glyphRef,gradientTransform,gradientUnits,hanging,height,href,hreflang,horiz-adv-x,horiz-origin-x,id,ideographic,image-rendering,in,in2,intercept,k,k1,k2,k3,k4,kernelMatrix,kernelUnitLength,kerning,keyPoints,keySplines,keyTimes,lang,lengthAdjust,letter-spacing,lighting-color,limitingConeAngle,local,marker-end,marker-mid,marker-start,markerHeight,markerUnits,markerWidth,mask,maskContentUnits,maskUnits,mathematical,max,media,method,min,mode,name,numOctaves,offset,opacity,operator,order,orient,orientation,origin,overflow,overline-position,overline-thickness,panose-1,paint-order,path,pathLength,patternContentUnits,patternTransform,patternUnits,ping,pointer-events,points,pointsAtX,pointsAtY,pointsAtZ,preserveAlpha,preserveAspectRatio,primitiveUnits,r,radius,referrerPolicy,refX,refY,rel,rendering-intent,repeatCount,repeatDur,requiredExtensions,requiredFeatures,restart,result,rotate,rx,ry,scale,seed,shape-rendering,slope,spacing,specularConstant,specularExponent,speed,spreadMethod,startOffset,stdDeviation,stemh,stemv,stitchTiles,stop-color,stop-opacity,strikethrough-position,strikethrough-thickness,string,stroke,stroke-dasharray,stroke-dashoffset,stroke-linecap,stroke-linejoin,stroke-miterlimit,stroke-opacity,stroke-width,style,surfaceScale,systemLanguage,tabindex,tableValues,target,targetX,targetY,text-anchor,text-decoration,text-rendering,textLength,to,transform,transform-origin,type,u1,u2,underline-position,underline-thickness,unicode,unicode-bidi,unicode-range,units-per-em,v-alphabetic,v-hanging,v-ideographic,v-mathematical,values,vector-effect,version,vert-adv-y,vert-origin-x,vert-origin-y,viewBox,viewTarget,visibility,width,widths,word-spacing,writing-mode,x,x-height,x1,x2,xChannelSelector,xlink:actuate,xlink:arcrole,xlink:href,xlink:role,xlink:show,xlink:title,xlink:type,xml:base,xml:lang,xml:space,y,y1,y2,yChannelSelector,z,zoomAndPan`
);

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, "");
}

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 toDisplayString = (val) => {
  return isString(val) ? val : val == null ? "" : isArray(val) || isObject(val) && (val.toString === objectToString || !isFunction(val.toString)) ? JSON.stringify(val, replacer, 2) : String(val);
};
const replacer = (_key, val) => {
  if (val && val.__v_isRef) {
    return replacer(_key, val.value);
  } else if (isMap(val)) {
    return {
      [`Map(${val.size})`]: [...val.entries()].reduce((entries, [key, val2]) => {
        entries[`${key} =>`] = val2;
        return entries;
      }, {})
    };
  } else if (isSet(val)) {
    return {
      [`Set(${val.size})`]: [...val.values()]
    };
  } else if (isObject(val) && !isArray(val) && !isPlainObject(val)) {
    return String(val);
  }
  return val;
};

export { EMPTY_ARR, EMPTY_OBJ, NO, NOOP, PatchFlagNames, camelize, capitalize, def, escapeHtml, escapeHtmlComment, extend, genPropsAccessExp, generateCodeFrame, getGlobalThis, hasChanged, hasOwn, hyphenate, includeBooleanAttr, invokeArrayFns, isArray, isBooleanAttr, isBuiltInDirective, isDate, isFunction, isGloballyWhitelisted, isHTMLTag, isIntegerKey, isKnownHtmlAttr, isKnownSvgAttr, isMap, isModelListener, isObject, isOn, isPlainObject, isPromise, isRegExp, 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 };