python_Harmony/node_modules/@vue/compiler-dom/dist/compiler-dom.esm-browser.js

/**
* @vue/compiler-dom v3.5.19
* (c) 2018-present Yuxi (Evan) You and Vue contributors
* @license MIT
**/
/*! #__NO_SIDE_EFFECTS__ */
// @__NO_SIDE_EFFECTS__
function makeMap(str) {
  const map = /* @__PURE__ */ Object.create(null);
  for (const key of str.split(",")) map[key] = 1;
  return (val) => val in map;
}

const EMPTY_OBJ = Object.freeze({}) ;
const NOOP = () => {
};
const NO = () => false;
const isOn = (key) => key.charCodeAt(0) === 111 && key.charCodeAt(1) === 110 && // uppercase letter
(key.charCodeAt(2) > 122 || key.charCodeAt(2) < 97);
const extend = Object.assign;
const isArray = Array.isArray;
const isString = (val) => typeof val === "string";
const isSymbol = (val) => typeof val === "symbol";
const isObject = (val) => val !== null && typeof val === "object";
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 capitalize = cacheStringFunction((str) => {
  return str.charAt(0).toUpperCase() + str.slice(1);
});
const toHandlerKey = cacheStringFunction(
  (str) => {
    const s = str ? `on${capitalize(str)}` : ``;
    return s;
  }
);

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

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

const range = 2;
function generateCodeFrame(source, start = 0, end = source.length) {
  start = Math.max(0, Math.min(start, source.length));
  end = Math.max(0, Math.min(end, source.length));
  if (start > end) return "";
  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");
}

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;
}

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 FRAGMENT = Symbol(`Fragment` );
const TELEPORT = Symbol(`Teleport` );
const SUSPENSE = Symbol(`Suspense` );
const KEEP_ALIVE = Symbol(`KeepAlive` );
const BASE_TRANSITION = Symbol(
  `BaseTransition` 
);
const OPEN_BLOCK = Symbol(`openBlock` );
const CREATE_BLOCK = Symbol(`createBlock` );
const CREATE_ELEMENT_BLOCK = Symbol(
  `createElementBlock` 
);
const CREATE_VNODE = Symbol(`createVNode` );
const CREATE_ELEMENT_VNODE = Symbol(
  `createElementVNode` 
);
const CREATE_COMMENT = Symbol(
  `createCommentVNode` 
);
const CREATE_TEXT = Symbol(
  `createTextVNode` 
);
const CREATE_STATIC = Symbol(
  `createStaticVNode` 
);
const RESOLVE_COMPONENT = Symbol(
  `resolveComponent` 
);
const RESOLVE_DYNAMIC_COMPONENT = Symbol(
  `resolveDynamicComponent` 
);
const RESOLVE_DIRECTIVE = Symbol(
  `resolveDirective` 
);
const RESOLVE_FILTER = Symbol(
  `resolveFilter` 
);
const WITH_DIRECTIVES = Symbol(
  `withDirectives` 
);
const RENDER_LIST = Symbol(`renderList` );
const RENDER_SLOT = Symbol(`renderSlot` );
const CREATE_SLOTS = Symbol(`createSlots` );
const TO_DISPLAY_STRING = Symbol(
  `toDisplayString` 
);
const MERGE_PROPS = Symbol(`mergeProps` );
const NORMALIZE_CLASS = Symbol(
  `normalizeClass` 
);
const NORMALIZE_STYLE = Symbol(
  `normalizeStyle` 
);
const NORMALIZE_PROPS = Symbol(
  `normalizeProps` 
);
const GUARD_REACTIVE_PROPS = Symbol(
  `guardReactiveProps` 
);
const TO_HANDLERS = Symbol(`toHandlers` );
const CAMELIZE = Symbol(`camelize` );
const CAPITALIZE = Symbol(`capitalize` );
const TO_HANDLER_KEY = Symbol(
  `toHandlerKey` 
);
const SET_BLOCK_TRACKING = Symbol(
  `setBlockTracking` 
);
const PUSH_SCOPE_ID = Symbol(`pushScopeId` );
const POP_SCOPE_ID = Symbol(`popScopeId` );
const WITH_CTX = Symbol(`withCtx` );
const UNREF = Symbol(`unref` );
const IS_REF = Symbol(`isRef` );
const WITH_MEMO = Symbol(`withMemo` );
const IS_MEMO_SAME = Symbol(`isMemoSame` );
const helperNameMap = {
  [FRAGMENT]: `Fragment`,
  [TELEPORT]: `Teleport`,
  [SUSPENSE]: `Suspense`,
  [KEEP_ALIVE]: `KeepAlive`,
  [BASE_TRANSITION]: `BaseTransition`,
  [OPEN_BLOCK]: `openBlock`,
  [CREATE_BLOCK]: `createBlock`,
  [CREATE_ELEMENT_BLOCK]: `createElementBlock`,
  [CREATE_VNODE]: `createVNode`,
  [CREATE_ELEMENT_VNODE]: `createElementVNode`,
  [CREATE_COMMENT]: `createCommentVNode`,
  [CREATE_TEXT]: `createTextVNode`,
  [CREATE_STATIC]: `createStaticVNode`,
  [RESOLVE_COMPONENT]: `resolveComponent`,
  [RESOLVE_DYNAMIC_COMPONENT]: `resolveDynamicComponent`,
  [RESOLVE_DIRECTIVE]: `resolveDirective`,
  [RESOLVE_FILTER]: `resolveFilter`,
  [WITH_DIRECTIVES]: `withDirectives`,
  [RENDER_LIST]: `renderList`,
  [RENDER_SLOT]: `renderSlot`,
  [CREATE_SLOTS]: `createSlots`,
  [TO_DISPLAY_STRING]: `toDisplayString`,
  [MERGE_PROPS]: `mergeProps`,
  [NORMALIZE_CLASS]: `normalizeClass`,
  [NORMALIZE_STYLE]: `normalizeStyle`,
  [NORMALIZE_PROPS]: `normalizeProps`,
  [GUARD_REACTIVE_PROPS]: `guardReactiveProps`,
  [TO_HANDLERS]: `toHandlers`,
  [CAMELIZE]: `camelize`,
  [CAPITALIZE]: `capitalize`,
  [TO_HANDLER_KEY]: `toHandlerKey`,
  [SET_BLOCK_TRACKING]: `setBlockTracking`,
  [PUSH_SCOPE_ID]: `pushScopeId`,
  [POP_SCOPE_ID]: `popScopeId`,
  [WITH_CTX]: `withCtx`,
  [UNREF]: `unref`,
  [IS_REF]: `isRef`,
  [WITH_MEMO]: `withMemo`,
  [IS_MEMO_SAME]: `isMemoSame`
};
function registerRuntimeHelpers(helpers) {
  Object.getOwnPropertySymbols(helpers).forEach((s) => {
    helperNameMap[s] = helpers[s];
  });
}

const Namespaces = {
  "HTML": 0,
  "0": "HTML",
  "SVG": 1,
  "1": "SVG",
  "MATH_ML": 2,
  "2": "MATH_ML"
};
const NodeTypes = {
  "ROOT": 0,
  "0": "ROOT",
  "ELEMENT": 1,
  "1": "ELEMENT",
  "TEXT": 2,
  "2": "TEXT",
  "COMMENT": 3,
  "3": "COMMENT",
  "SIMPLE_EXPRESSION": 4,
  "4": "SIMPLE_EXPRESSION",
  "INTERPOLATION": 5,
  "5": "INTERPOLATION",
  "ATTRIBUTE": 6,
  "6": "ATTRIBUTE",
  "DIRECTIVE": 7,
  "7": "DIRECTIVE",
  "COMPOUND_EXPRESSION": 8,
  "8": "COMPOUND_EXPRESSION",
  "IF": 9,
  "9": "IF",
  "IF_BRANCH": 10,
  "10": "IF_BRANCH",
  "FOR": 11,
  "11": "FOR",
  "TEXT_CALL": 12,
  "12": "TEXT_CALL",
  "VNODE_CALL": 13,
  "13": "VNODE_CALL",
  "JS_CALL_EXPRESSION": 14,
  "14": "JS_CALL_EXPRESSION",
  "JS_OBJECT_EXPRESSION": 15,
  "15": "JS_OBJECT_EXPRESSION",
  "JS_PROPERTY": 16,
  "16": "JS_PROPERTY",
  "JS_ARRAY_EXPRESSION": 17,
  "17": "JS_ARRAY_EXPRESSION",
  "JS_FUNCTION_EXPRESSION": 18,
  "18": "JS_FUNCTION_EXPRESSION",
  "JS_CONDITIONAL_EXPRESSION": 19,
  "19": "JS_CONDITIONAL_EXPRESSION",
  "JS_CACHE_EXPRESSION": 20,
  "20": "JS_CACHE_EXPRESSION",
  "JS_BLOCK_STATEMENT": 21,
  "21": "JS_BLOCK_STATEMENT",
  "JS_TEMPLATE_LITERAL": 22,
  "22": "JS_TEMPLATE_LITERAL",
  "JS_IF_STATEMENT": 23,
  "23": "JS_IF_STATEMENT",
  "JS_ASSIGNMENT_EXPRESSION": 24,
  "24": "JS_ASSIGNMENT_EXPRESSION",
  "JS_SEQUENCE_EXPRESSION": 25,
  "25": "JS_SEQUENCE_EXPRESSION",
  "JS_RETURN_STATEMENT": 26,
  "26": "JS_RETURN_STATEMENT"
};
const ElementTypes = {
  "ELEMENT": 0,
  "0": "ELEMENT",
  "COMPONENT": 1,
  "1": "COMPONENT",
  "SLOT": 2,
  "2": "SLOT",
  "TEMPLATE": 3,
  "3": "TEMPLATE"
};
const ConstantTypes = {
  "NOT_CONSTANT": 0,
  "0": "NOT_CONSTANT",
  "CAN_SKIP_PATCH": 1,
  "1": "CAN_SKIP_PATCH",
  "CAN_CACHE": 2,
  "2": "CAN_CACHE",
  "CAN_STRINGIFY": 3,
  "3": "CAN_STRINGIFY"
};
const locStub = {
  start: { line: 1, column: 1, offset: 0 },
  end: { line: 1, column: 1, offset: 0 },
  source: ""
};
function createRoot(children, source = "") {
  return {
    type: 0,
    source,
    children,
    helpers: /* @__PURE__ */ new Set(),
    components: [],
    directives: [],
    hoists: [],
    imports: [],
    cached: [],
    temps: 0,
    codegenNode: void 0,
    loc: locStub
  };
}
function createVNodeCall(context, tag, props, children, patchFlag, dynamicProps, directives, isBlock = false, disableTracking = false, isComponent = false, loc = locStub) {
  if (context) {
    if (isBlock) {
      context.helper(OPEN_BLOCK);
      context.helper(getVNodeBlockHelper(context.inSSR, isComponent));
    } else {
      context.helper(getVNodeHelper(context.inSSR, isComponent));
    }
    if (directives) {
      context.helper(WITH_DIRECTIVES);
    }
  }
  return {
    type: 13,
    tag,
    props,
    children,
    patchFlag,
    dynamicProps,
    directives,
    isBlock,
    disableTracking,
    isComponent,
    loc
  };
}
function createArrayExpression(elements, loc = locStub) {
  return {
    type: 17,
    loc,
    elements
  };
}
function createObjectExpression(properties, loc = locStub) {
  return {
    type: 15,
    loc,
    properties
  };
}
function createObjectProperty(key, value) {
  return {
    type: 16,
    loc: locStub,
    key: isString(key) ? createSimpleExpression(key, true) : key,
    value
  };
}
function createSimpleExpression(content, isStatic = false, loc = locStub, constType = 0) {
  return {
    type: 4,
    loc,
    content,
    isStatic,
    constType: isStatic ? 3 : constType
  };
}
function createInterpolation(content, loc) {
  return {
    type: 5,
    loc,
    content: isString(content) ? createSimpleExpression(content, false, loc) : content
  };
}
function createCompoundExpression(children, loc = locStub) {
  return {
    type: 8,
    loc,
    children
  };
}
function createCallExpression(callee, args = [], loc = locStub) {
  return {
    type: 14,
    loc,
    callee,
    arguments: args
  };
}
function createFunctionExpression(params, returns = void 0, newline = false, isSlot = false, loc = locStub) {
  return {
    type: 18,
    params,
    returns,
    newline,
    isSlot,
    loc
  };
}
function createConditionalExpression(test, consequent, alternate, newline = true) {
  return {
    type: 19,
    test,
    consequent,
    alternate,
    newline,
    loc: locStub
  };
}
function createCacheExpression(index, value, needPauseTracking = false, inVOnce = false) {
  return {
    type: 20,
    index,
    value,
    needPauseTracking,
    inVOnce,
    needArraySpread: false,
    loc: locStub
  };
}
function createBlockStatement(body) {
  return {
    type: 21,
    body,
    loc: locStub
  };
}
function createTemplateLiteral(elements) {
  return {
    type: 22,
    elements,
    loc: locStub
  };
}
function createIfStatement(test, consequent, alternate) {
  return {
    type: 23,
    test,
    consequent,
    alternate,
    loc: locStub
  };
}
function createAssignmentExpression(left, right) {
  return {
    type: 24,
    left,
    right,
    loc: locStub
  };
}
function createSequenceExpression(expressions) {
  return {
    type: 25,
    expressions,
    loc: locStub
  };
}
function createReturnStatement(returns) {
  return {
    type: 26,
    returns,
    loc: locStub
  };
}
function getVNodeHelper(ssr, isComponent) {
  return ssr || isComponent ? CREATE_VNODE : CREATE_ELEMENT_VNODE;
}
function getVNodeBlockHelper(ssr, isComponent) {
  return ssr || isComponent ? CREATE_BLOCK : CREATE_ELEMENT_BLOCK;
}
function convertToBlock(node, { helper, removeHelper, inSSR }) {
  if (!node.isBlock) {
    node.isBlock = true;
    removeHelper(getVNodeHelper(inSSR, node.isComponent));
    helper(OPEN_BLOCK);
    helper(getVNodeBlockHelper(inSSR, node.isComponent));
  }
}

const defaultDelimitersOpen = new Uint8Array([123, 123]);
const defaultDelimitersClose = new Uint8Array([125, 125]);
function isTagStartChar(c) {
  return c >= 97 && c <= 122 || c >= 65 && c <= 90;
}
function isWhitespace(c) {
  return c === 32 || c === 10 || c === 9 || c === 12 || c === 13;
}
function isEndOfTagSection(c) {
  return c === 47 || c === 62 || isWhitespace(c);
}
function toCharCodes(str) {
  const ret = new Uint8Array(str.length);
  for (let i = 0; i < str.length; i++) {
    ret[i] = str.charCodeAt(i);
  }
  return ret;
}
const Sequences = {
  Cdata: new Uint8Array([67, 68, 65, 84, 65, 91]),
  // CDATA[
  CdataEnd: new Uint8Array([93, 93, 62]),
  // ]]>
  CommentEnd: new Uint8Array([45, 45, 62]),
  // `-->`
  ScriptEnd: new Uint8Array([60, 47, 115, 99, 114, 105, 112, 116]),
  // `<\/script`
  StyleEnd: new Uint8Array([60, 47, 115, 116, 121, 108, 101]),
  // `</style`
  TitleEnd: new Uint8Array([60, 47, 116, 105, 116, 108, 101]),
  // `</title`
  TextareaEnd: new Uint8Array([
    60,
    47,
    116,
    101,
    120,
    116,
    97,
    114,
    101,
    97
  ])
  // `</textarea
};
class Tokenizer {
  constructor(stack, cbs) {
    this.stack = stack;
    this.cbs = cbs;
    /** The current state the tokenizer is in. */
    this.state = 1;
    /** The read buffer. */
    this.buffer = "";
    /** The beginning of the section that is currently being read. */
    this.sectionStart = 0;
    /** The index within the buffer that we are currently looking at. */
    this.index = 0;
    /** The start of the last entity. */
    this.entityStart = 0;
    /** Some behavior, eg. when decoding entities, is done while we are in another state. This keeps track of the other state type. */
    this.baseState = 1;
    /** For special parsing behavior inside of script and style tags. */
    this.inRCDATA = false;
    /** For disabling RCDATA tags handling */
    this.inXML = false;
    /** For disabling interpolation parsing in v-pre */
    this.inVPre = false;
    /** Record newline positions for fast line / column calculation */
    this.newlines = [];
    this.mode = 0;
    this.delimiterOpen = defaultDelimitersOpen;
    this.delimiterClose = defaultDelimitersClose;
    this.delimiterIndex = -1;
    this.currentSequence = void 0;
    this.sequenceIndex = 0;
  }
  get inSFCRoot() {
    return this.mode === 2 && this.stack.length === 0;
  }
  reset() {
    this.state = 1;
    this.mode = 0;
    this.buffer = "";
    this.sectionStart = 0;
    this.index = 0;
    this.baseState = 1;
    this.inRCDATA = false;
    this.currentSequence = void 0;
    this.newlines.length = 0;
    this.delimiterOpen = defaultDelimitersOpen;
    this.delimiterClose = defaultDelimitersClose;
  }
  /**
   * Generate Position object with line / column information using recorded
   * newline positions. We know the index is always going to be an already
   * processed index, so all the newlines up to this index should have been
   * recorded.
   */
  getPos(index) {
    let line = 1;
    let column = index + 1;
    for (let i = this.newlines.length - 1; i >= 0; i--) {
      const newlineIndex = this.newlines[i];
      if (index > newlineIndex) {
        line = i + 2;
        column = index - newlineIndex;
        break;
      }
    }
    return {
      column,
      line,
      offset: index
    };
  }
  peek() {
    return this.buffer.charCodeAt(this.index + 1);
  }
  stateText(c) {
    if (c === 60) {
      if (this.index > this.sectionStart) {
        this.cbs.ontext(this.sectionStart, this.index);
      }
      this.state = 5;
      this.sectionStart = this.index;
    } else if (!this.inVPre && c === this.delimiterOpen[0]) {
      this.state = 2;
      this.delimiterIndex = 0;
      this.stateInterpolationOpen(c);
    }
  }
  stateInterpolationOpen(c) {
    if (c === this.delimiterOpen[this.delimiterIndex]) {
      if (this.delimiterIndex === this.delimiterOpen.length - 1) {
        const start = this.index + 1 - this.delimiterOpen.length;
        if (start > this.sectionStart) {
          this.cbs.ontext(this.sectionStart, start);
        }
        this.state = 3;
        this.sectionStart = start;
      } else {
        this.delimiterIndex++;
      }
    } else if (this.inRCDATA) {
      this.state = 32;
      this.stateInRCDATA(c);
    } else {
      this.state = 1;
      this.stateText(c);
    }
  }
  stateInterpolation(c) {
    if (c === this.delimiterClose[0]) {
      this.state = 4;
      this.delimiterIndex = 0;
      this.stateInterpolationClose(c);
    }
  }
  stateInterpolationClose(c) {
    if (c === this.delimiterClose[this.delimiterIndex]) {
      if (this.delimiterIndex === this.delimiterClose.length - 1) {
        this.cbs.oninterpolation(this.sectionStart, this.index + 1);
        if (this.inRCDATA) {
          this.state = 32;
        } else {
          this.state = 1;
        }
        this.sectionStart = this.index + 1;
      } else {
        this.delimiterIndex++;
      }
    } else {
      this.state = 3;
      this.stateInterpolation(c);
    }
  }
  stateSpecialStartSequence(c) {
    const isEnd = this.sequenceIndex === this.currentSequence.length;
    const isMatch = isEnd ? (
      // If we are at the end of the sequence, make sure the tag name has ended
      isEndOfTagSection(c)
    ) : (
      // Otherwise, do a case-insensitive comparison
      (c | 32) === this.currentSequence[this.sequenceIndex]
    );
    if (!isMatch) {
      this.inRCDATA = false;
    } else if (!isEnd) {
      this.sequenceIndex++;
      return;
    }
    this.sequenceIndex = 0;
    this.state = 6;
    this.stateInTagName(c);
  }
  /** Look for an end tag. For <title> and <textarea>, also decode entities. */
  stateInRCDATA(c) {
    if (this.sequenceIndex === this.currentSequence.length) {
      if (c === 62 || isWhitespace(c)) {
        const endOfText = this.index - this.currentSequence.length;
        if (this.sectionStart < endOfText) {
          const actualIndex = this.index;
          this.index = endOfText;
          this.cbs.ontext(this.sectionStart, endOfText);
          this.index = actualIndex;
        }
        this.sectionStart = endOfText + 2;
        this.stateInClosingTagName(c);
        this.inRCDATA = false;
        return;
      }
      this.sequenceIndex = 0;
    }
    if ((c | 32) === this.currentSequence[this.sequenceIndex]) {
      this.sequenceIndex += 1;
    } else if (this.sequenceIndex === 0) {
      if (this.currentSequence === Sequences.TitleEnd || this.currentSequence === Sequences.TextareaEnd && !this.inSFCRoot) {
        if (!this.inVPre && c === this.delimiterOpen[0]) {
          this.state = 2;
          this.delimiterIndex = 0;
          this.stateInterpolationOpen(c);
        }
      } else if (this.fastForwardTo(60)) {
        this.sequenceIndex = 1;
      }
    } else {
      this.sequenceIndex = Number(c === 60);
    }
  }
  stateCDATASequence(c) {
    if (c === Sequences.Cdata[this.sequenceIndex]) {
      if (++this.sequenceIndex === Sequences.Cdata.length) {
        this.state = 28;
        this.currentSequence = Sequences.CdataEnd;
        this.sequenceIndex = 0;
        this.sectionStart = this.index + 1;
      }
    } else {
      this.sequenceIndex = 0;
      this.state = 23;
      this.stateInDeclaration(c);
    }
  }
  /**
   * When we wait for one specific character, we can speed things up
   * by skipping through the buffer until we find it.
   *
   * @returns Whether the character was found.
   */
  fastForwardTo(c) {
    while (++this.index < this.buffer.length) {
      const cc = this.buffer.charCodeAt(this.index);
      if (cc === 10) {
        this.newlines.push(this.index);
      }
      if (cc === c) {
        return true;
      }
    }
    this.index = this.buffer.length - 1;
    return false;
  }
  /**
   * Comments and CDATA end with `-->` and `]]>`.
   *
   * Their common qualities are:
   * - Their end sequences have a distinct character they start with.
   * - That character is then repeated, so we have to check multiple repeats.
   * - All characters but the start character of the sequence can be skipped.
   */
  stateInCommentLike(c) {
    if (c === this.currentSequence[this.sequenceIndex]) {
      if (++this.sequenceIndex === this.currentSequence.length) {
        if (this.currentSequence === Sequences.CdataEnd) {
          this.cbs.oncdata(this.sectionStart, this.index - 2);
        } else {
          this.cbs.oncomment(this.sectionStart, this.index - 2);
        }
        this.sequenceIndex = 0;
        this.sectionStart = this.index + 1;
        this.state = 1;
      }
    } else if (this.sequenceIndex === 0) {
      if (this.fastForwardTo(this.currentSequence[0])) {
        this.sequenceIndex = 1;
      }
    } else if (c !== this.currentSequence[this.sequenceIndex - 1]) {
      this.sequenceIndex = 0;
    }
  }
  startSpecial(sequence, offset) {
    this.enterRCDATA(sequence, offset);
    this.state = 31;
  }
  enterRCDATA(sequence, offset) {
    this.inRCDATA = true;
    this.currentSequence = sequence;
    this.sequenceIndex = offset;
  }
  stateBeforeTagName(c) {
    if (c === 33) {
      this.state = 22;
      this.sectionStart = this.index + 1;
    } else if (c === 63) {
      this.state = 24;
      this.sectionStart = this.index + 1;
    } else if (isTagStartChar(c)) {
      this.sectionStart = this.index;
      if (this.mode === 0) {
        this.state = 6;
      } else if (this.inSFCRoot) {
        this.state = 34;
      } else if (!this.inXML) {
        if (c === 116) {
          this.state = 30;
        } else {
          this.state = c === 115 ? 29 : 6;
        }
      } else {
        this.state = 6;
      }
    } else if (c === 47) {
      this.state = 8;
    } else {
      this.state = 1;
      this.stateText(c);
    }
  }
  stateInTagName(c) {
    if (isEndOfTagSection(c)) {
      this.handleTagName(c);
    }
  }
  stateInSFCRootTagName(c) {
    if (isEndOfTagSection(c)) {
      const tag = this.buffer.slice(this.sectionStart, this.index);
      if (tag !== "template") {
        this.enterRCDATA(toCharCodes(`</` + tag), 0);
      }
      this.handleTagName(c);
    }
  }
  handleTagName(c) {
    this.cbs.onopentagname(this.sectionStart, this.index);
    this.sectionStart = -1;
    this.state = 11;
    this.stateBeforeAttrName(c);
  }
  stateBeforeClosingTagName(c) {
    if (isWhitespace(c)) ; else if (c === 62) {
      {
        this.cbs.onerr(14, this.index);
      }
      this.state = 1;
      this.sectionStart = this.index + 1;
    } else {
      this.state = isTagStartChar(c) ? 9 : 27;
      this.sectionStart = this.index;
    }
  }
  stateInClosingTagName(c) {
    if (c === 62 || isWhitespace(c)) {
      this.cbs.onclosetag(this.sectionStart, this.index);
      this.sectionStart = -1;
      this.state = 10;
      this.stateAfterClosingTagName(c);
    }
  }
  stateAfterClosingTagName(c) {
    if (c === 62) {
      this.state = 1;
      this.sectionStart = this.index + 1;
    }
  }
  stateBeforeAttrName(c) {
    if (c === 62) {
      this.cbs.onopentagend(this.index);
      if (this.inRCDATA) {
        this.state = 32;
      } else {
        this.state = 1;
      }
      this.sectionStart = this.index + 1;
    } else if (c === 47) {
      this.state = 7;
      if (this.peek() !== 62) {
        this.cbs.onerr(22, this.index);
      }
    } else if (c === 60 && this.peek() === 47) {
      this.cbs.onopentagend(this.index);
      this.state = 5;
      this.sectionStart = this.index;
    } else if (!isWhitespace(c)) {
      if (c === 61) {
        this.cbs.onerr(
          19,
          this.index
        );
      }
      this.handleAttrStart(c);
    }
  }
  handleAttrStart(c) {
    if (c === 118 && this.peek() === 45) {
      this.state = 13;
      this.sectionStart = this.index;
    } else if (c === 46 || c === 58 || c === 64 || c === 35) {
      this.cbs.ondirname(this.index, this.index + 1);
      this.state = 14;
      this.sectionStart = this.index + 1;
    } else {
      this.state = 12;
      this.sectionStart = this.index;
    }
  }
  stateInSelfClosingTag(c) {
    if (c === 62) {
      this.cbs.onselfclosingtag(this.index);
      this.state = 1;
      this.sectionStart = this.index + 1;
      this.inRCDATA = false;
    } else if (!isWhitespace(c)) {
      this.state = 11;
      this.stateBeforeAttrName(c);
    }
  }
  stateInAttrName(c) {
    if (c === 61 || isEndOfTagSection(c)) {
      this.cbs.onattribname(this.sectionStart, this.index);
      this.handleAttrNameEnd(c);
    } else if (c === 34 || c === 39 || c === 60) {
      this.cbs.onerr(
        17,
        this.index
      );
    }
  }
  stateInDirName(c) {
    if (c === 61 || isEndOfTagSection(c)) {
      this.cbs.ondirname(this.sectionStart, this.index);
      this.handleAttrNameEnd(c);
    } else if (c === 58) {
      this.cbs.ondirname(this.sectionStart, this.index);
      this.state = 14;
      this.sectionStart = this.index + 1;
    } else if (c === 46) {
      this.cbs.ondirname(this.sectionStart, this.index);
      this.state = 16;
      this.sectionStart = this.index + 1;
    }
  }
  stateInDirArg(c) {
    if (c === 61 || isEndOfTagSection(c)) {
      this.cbs.ondirarg(this.sectionStart, this.index);
      this.handleAttrNameEnd(c);
    } else if (c === 91) {
      this.state = 15;
    } else if (c === 46) {
      this.cbs.ondirarg(this.sectionStart, this.index);
      this.state = 16;
      this.sectionStart = this.index + 1;
    }
  }
  stateInDynamicDirArg(c) {
    if (c === 93) {
      this.state = 14;
    } else if (c === 61 || isEndOfTagSection(c)) {
      this.cbs.ondirarg(this.sectionStart, this.index + 1);
      this.handleAttrNameEnd(c);
      {
        this.cbs.onerr(
          27,
          this.index
        );
      }
    }
  }
  stateInDirModifier(c) {
    if (c === 61 || isEndOfTagSection(c)) {
      this.cbs.ondirmodifier(this.sectionStart, this.index);
      this.handleAttrNameEnd(c);
    } else if (c === 46) {
      this.cbs.ondirmodifier(this.sectionStart, this.index);
      this.sectionStart = this.index + 1;
    }
  }
  handleAttrNameEnd(c) {
    this.sectionStart = this.index;
    this.state = 17;
    this.cbs.onattribnameend(this.index);
    this.stateAfterAttrName(c);
  }
  stateAfterAttrName(c) {
    if (c === 61) {
      this.state = 18;
    } else if (c === 47 || c === 62) {
      this.cbs.onattribend(0, this.sectionStart);
      this.sectionStart = -1;
      this.state = 11;
      this.stateBeforeAttrName(c);
    } else if (!isWhitespace(c)) {
      this.cbs.onattribend(0, this.sectionStart);
      this.handleAttrStart(c);
    }
  }
  stateBeforeAttrValue(c) {
    if (c === 34) {
      this.state = 19;
      this.sectionStart = this.index + 1;
    } else if (c === 39) {
      this.state = 20;
      this.sectionStart = this.index + 1;
    } else if (!isWhitespace(c)) {
      this.sectionStart = this.index;
      this.state = 21;
      this.stateInAttrValueNoQuotes(c);
    }
  }
  handleInAttrValue(c, quote) {
    if (c === quote || this.fastForwardTo(quote)) {
      this.cbs.onattribdata(this.sectionStart, this.index);
      this.sectionStart = -1;
      this.cbs.onattribend(
        quote === 34 ? 3 : 2,
        this.index + 1
      );
      this.state = 11;
    }
  }
  stateInAttrValueDoubleQuotes(c) {
    this.handleInAttrValue(c, 34);
  }
  stateInAttrValueSingleQuotes(c) {
    this.handleInAttrValue(c, 39);
  }
  stateInAttrValueNoQuotes(c) {
    if (isWhitespace(c) || c === 62) {
      this.cbs.onattribdata(this.sectionStart, this.index);
      this.sectionStart = -1;
      this.cbs.onattribend(1, this.index);
      this.state = 11;
      this.stateBeforeAttrName(c);
    } else if (c === 34 || c === 39 || c === 60 || c === 61 || c === 96) {
      this.cbs.onerr(
        18,
        this.index
      );
    } else ;
  }
  stateBeforeDeclaration(c) {
    if (c === 91) {
      this.state = 26;
      this.sequenceIndex = 0;
    } else {
      this.state = c === 45 ? 25 : 23;
    }
  }
  stateInDeclaration(c) {
    if (c === 62 || this.fastForwardTo(62)) {
      this.state = 1;
      this.sectionStart = this.index + 1;
    }
  }
  stateInProcessingInstruction(c) {
    if (c === 62 || this.fastForwardTo(62)) {
      this.cbs.onprocessinginstruction(this.sectionStart, this.index);
      this.state = 1;
      this.sectionStart = this.index + 1;
    }
  }
  stateBeforeComment(c) {
    if (c === 45) {
      this.state = 28;
      this.currentSequence = Sequences.CommentEnd;
      this.sequenceIndex = 2;
      this.sectionStart = this.index + 1;
    } else {
      this.state = 23;
    }
  }
  stateInSpecialComment(c) {
    if (c === 62 || this.fastForwardTo(62)) {
      this.cbs.oncomment(this.sectionStart, this.index);
      this.state = 1;
      this.sectionStart = this.index + 1;
    }
  }
  stateBeforeSpecialS(c) {
    if (c === Sequences.ScriptEnd[3]) {
      this.startSpecial(Sequences.ScriptEnd, 4);
    } else if (c === Sequences.StyleEnd[3]) {
      this.startSpecial(Sequences.StyleEnd, 4);
    } else {
      this.state = 6;
      this.stateInTagName(c);
    }
  }
  stateBeforeSpecialT(c) {
    if (c === Sequences.TitleEnd[3]) {
      this.startSpecial(Sequences.TitleEnd, 4);
    } else if (c === Sequences.TextareaEnd[3]) {
      this.startSpecial(Sequences.TextareaEnd, 4);
    } else {
      this.state = 6;
      this.stateInTagName(c);
    }
  }
  startEntity() {
  }
  stateInEntity() {
  }
  /**
   * Iterates through the buffer, calling the function corresponding to the current state.
   *
   * States that are more likely to be hit are higher up, as a performance improvement.
   */
  parse(input) {
    this.buffer = input;
    while (this.index < this.buffer.length) {
      const c = this.buffer.charCodeAt(this.index);
      if (c === 10 && this.state !== 33) {
        this.newlines.push(this.index);
      }
      switch (this.state) {
        case 1: {
          this.stateText(c);
          break;
        }
        case 2: {
          this.stateInterpolationOpen(c);
          break;
        }
        case 3: {
          this.stateInterpolation(c);
          break;
        }
        case 4: {
          this.stateInterpolationClose(c);
          break;
        }
        case 31: {
          this.stateSpecialStartSequence(c);
          break;
        }
        case 32: {
          this.stateInRCDATA(c);
          break;
        }
        case 26: {
          this.stateCDATASequence(c);
          break;
        }
        case 19: {
          this.stateInAttrValueDoubleQuotes(c);
          break;
        }
        case 12: {
          this.stateInAttrName(c);
          break;
        }
        case 13: {
          this.stateInDirName(c);
          break;
        }
        case 14: {
          this.stateInDirArg(c);
          break;
        }
        case 15: {
          this.stateInDynamicDirArg(c);
          break;
        }
        case 16: {
          this.stateInDirModifier(c);
          break;
        }
        case 28: {
          this.stateInCommentLike(c);
          break;
        }
        case 27: {
          this.stateInSpecialComment(c);
          break;
        }
        case 11: {
          this.stateBeforeAttrName(c);
          break;
        }
        case 6: {
          this.stateInTagName(c);
          break;
        }
        case 34: {
          this.stateInSFCRootTagName(c);
          break;
        }
        case 9: {
          this.stateInClosingTagName(c);
          break;
        }
        case 5: {
          this.stateBeforeTagName(c);
          break;
        }
        case 17: {
          this.stateAfterAttrName(c);
          break;
        }
        case 20: {
          this.stateInAttrValueSingleQuotes(c);
          break;
        }
        case 18: {
          this.stateBeforeAttrValue(c);
          break;
        }
        case 8: {
          this.stateBeforeClosingTagName(c);
          break;
        }
        case 10: {
          this.stateAfterClosingTagName(c);
          break;
        }
        case 29: {
          this.stateBeforeSpecialS(c);
          break;
        }
        case 30: {
          this.stateBeforeSpecialT(c);
          break;
        }
        case 21: {
          this.stateInAttrValueNoQuotes(c);
          break;
        }
        case 7: {
          this.stateInSelfClosingTag(c);
          break;
        }
        case 23: {
          this.stateInDeclaration(c);
          break;
        }
        case 22: {
          this.stateBeforeDeclaration(c);
          break;
        }
        case 25: {
          this.stateBeforeComment(c);
          break;
        }
        case 24: {
          this.stateInProcessingInstruction(c);
          break;
        }
        case 33: {
          this.stateInEntity();
          break;
        }
      }
      this.index++;
    }
    this.cleanup();
    this.finish();
  }
  /**
   * Remove data that has already been consumed from the buffer.
   */
  cleanup() {
    if (this.sectionStart !== this.index) {
      if (this.state === 1 || this.state === 32 && this.sequenceIndex === 0) {
        this.cbs.ontext(this.sectionStart, this.index);
        this.sectionStart = this.index;
      } else if (this.state === 19 || this.state === 20 || this.state === 21) {
        this.cbs.onattribdata(this.sectionStart, this.index);
        this.sectionStart = this.index;
      }
    }
  }
  finish() {
    this.handleTrailingData();
    this.cbs.onend();
  }
  /** Handle any trailing data. */
  handleTrailingData() {
    const endIndex = this.buffer.length;
    if (this.sectionStart >= endIndex) {
      return;
    }
    if (this.state === 28) {
      if (this.currentSequence === Sequences.CdataEnd) {
        this.cbs.oncdata(this.sectionStart, endIndex);
      } else {
        this.cbs.oncomment(this.sectionStart, endIndex);
      }
    } else if (this.state === 6 || this.state === 11 || this.state === 18 || this.state === 17 || this.state === 12 || this.state === 13 || this.state === 14 || this.state === 15 || this.state === 16 || this.state === 20 || this.state === 19 || this.state === 21 || this.state === 9) ; else {
      this.cbs.ontext(this.sectionStart, endIndex);
    }
  }
  emitCodePoint(cp, consumed) {
  }
}

const CompilerDeprecationTypes = {
  "COMPILER_IS_ON_ELEMENT": "COMPILER_IS_ON_ELEMENT",
  "COMPILER_V_BIND_SYNC": "COMPILER_V_BIND_SYNC",
  "COMPILER_V_BIND_OBJECT_ORDER": "COMPILER_V_BIND_OBJECT_ORDER",
  "COMPILER_V_ON_NATIVE": "COMPILER_V_ON_NATIVE",
  "COMPILER_V_IF_V_FOR_PRECEDENCE": "COMPILER_V_IF_V_FOR_PRECEDENCE",
  "COMPILER_NATIVE_TEMPLATE": "COMPILER_NATIVE_TEMPLATE",
  "COMPILER_INLINE_TEMPLATE": "COMPILER_INLINE_TEMPLATE",
  "COMPILER_FILTERS": "COMPILER_FILTERS"
};
const deprecationData = {
  ["COMPILER_IS_ON_ELEMENT"]: {
    message: `Platform-native elements with "is" prop will no longer be treated as components in Vue 3 unless the "is" value is explicitly prefixed with "vue:".`,
    link: `https://v3-migration.vuejs.org/breaking-changes/custom-elements-interop.html`
  },
  ["COMPILER_V_BIND_SYNC"]: {
    message: (key) => `.sync modifier for v-bind has been removed. Use v-model with argument instead. \`v-bind:${key}.sync\` should be changed to \`v-model:${key}\`.`,
    link: `https://v3-migration.vuejs.org/breaking-changes/v-model.html`
  },
  ["COMPILER_V_BIND_OBJECT_ORDER"]: {
    message: `v-bind="obj" usage is now order sensitive and behaves like JavaScript object spread: it will now overwrite an existing non-mergeable attribute that appears before v-bind in the case of conflict. To retain 2.x behavior, move v-bind to make it the first attribute. You can also suppress this warning if the usage is intended.`,
    link: `https://v3-migration.vuejs.org/breaking-changes/v-bind.html`
  },
  ["COMPILER_V_ON_NATIVE"]: {
    message: `.native modifier for v-on has been removed as is no longer necessary.`,
    link: `https://v3-migration.vuejs.org/breaking-changes/v-on-native-modifier-removed.html`
  },
  ["COMPILER_V_IF_V_FOR_PRECEDENCE"]: {
    message: `v-if / v-for precedence when used on the same element has changed in Vue 3: v-if now takes higher precedence and will no longer have access to v-for scope variables. It is best to avoid the ambiguity with <template> tags or use a computed property that filters v-for data source.`,
    link: `https://v3-migration.vuejs.org/breaking-changes/v-if-v-for.html`
  },
  ["COMPILER_NATIVE_TEMPLATE"]: {
    message: `<template> with no special directives will render as a native template element instead of its inner content in Vue 3.`
  },
  ["COMPILER_INLINE_TEMPLATE"]: {
    message: `"inline-template" has been removed in Vue 3.`,
    link: `https://v3-migration.vuejs.org/breaking-changes/inline-template-attribute.html`
  },
  ["COMPILER_FILTERS"]: {
    message: `filters have been removed in Vue 3. The "|" symbol will be treated as native JavaScript bitwise OR operator. Use method calls or computed properties instead.`,
    link: `https://v3-migration.vuejs.org/breaking-changes/filters.html`
  }
};
function getCompatValue(key, { compatConfig }) {
  const value = compatConfig && compatConfig[key];
  if (key === "MODE") {
    return value || 3;
  } else {
    return value;
  }
}
function isCompatEnabled(key, context) {
  const mode = getCompatValue("MODE", context);
  const value = getCompatValue(key, context);
  return mode === 3 ? value === true : value !== false;
}
function checkCompatEnabled(key, context, loc, ...args) {
  const enabled = isCompatEnabled(key, context);
  if (enabled) {
    warnDeprecation(key, context, loc, ...args);
  }
  return enabled;
}
function warnDeprecation(key, context, loc, ...args) {
  const val = getCompatValue(key, context);
  if (val === "suppress-warning") {
    return;
  }
  const { message, link } = deprecationData[key];
  const msg = `(deprecation ${key}) ${typeof message === "function" ? message(...args) : message}${link ? `
  Details: ${link}` : ``}`;
  const err = new SyntaxError(msg);
  err.code = key;
  if (loc) err.loc = loc;
  context.onWarn(err);
}

function defaultOnError(error) {
  throw error;
}
function defaultOnWarn(msg) {
  console.warn(`[Vue warn] ${msg.message}`);
}
function createCompilerError(code, loc, messages, additionalMessage) {
  const msg = (messages || errorMessages)[code] + (additionalMessage || ``) ;
  const error = new SyntaxError(String(msg));
  error.code = code;
  error.loc = loc;
  return error;
}
const ErrorCodes = {
  "ABRUPT_CLOSING_OF_EMPTY_COMMENT": 0,
  "0": "ABRUPT_CLOSING_OF_EMPTY_COMMENT",
  "CDATA_IN_HTML_CONTENT": 1,
  "1": "CDATA_IN_HTML_CONTENT",
  "DUPLICATE_ATTRIBUTE": 2,
  "2": "DUPLICATE_ATTRIBUTE",
  "END_TAG_WITH_ATTRIBUTES": 3,
  "3": "END_TAG_WITH_ATTRIBUTES",
  "END_TAG_WITH_TRAILING_SOLIDUS": 4,
  "4": "END_TAG_WITH_TRAILING_SOLIDUS",
  "EOF_BEFORE_TAG_NAME": 5,
  "5": "EOF_BEFORE_TAG_NAME",
  "EOF_IN_CDATA": 6,
  "6": "EOF_IN_CDATA",
  "EOF_IN_COMMENT": 7,
  "7": "EOF_IN_COMMENT",
  "EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT": 8,
  "8": "EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT",
  "EOF_IN_TAG": 9,
  "9": "EOF_IN_TAG",
  "INCORRECTLY_CLOSED_COMMENT": 10,
  "10": "INCORRECTLY_CLOSED_COMMENT",
  "INCORRECTLY_OPENED_COMMENT": 11,
  "11": "INCORRECTLY_OPENED_COMMENT",
  "INVALID_FIRST_CHARACTER_OF_TAG_NAME": 12,
  "12": "INVALID_FIRST_CHARACTER_OF_TAG_NAME",
  "MISSING_ATTRIBUTE_VALUE": 13,
  "13": "MISSING_ATTRIBUTE_VALUE",
  "MISSING_END_TAG_NAME": 14,
  "14": "MISSING_END_TAG_NAME",
  "MISSING_WHITESPACE_BETWEEN_ATTRIBUTES": 15,
  "15": "MISSING_WHITESPACE_BETWEEN_ATTRIBUTES",
  "NESTED_COMMENT": 16,
  "16": "NESTED_COMMENT",
  "UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME": 17,
  "17": "UNEXPECTED_CHARACTER_IN_ATTRIBUTE_NAME",
  "UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE": 18,
  "18": "UNEXPECTED_CHARACTER_IN_UNQUOTED_ATTRIBUTE_VALUE",
  "UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME": 19,
  "19": "UNEXPECTED_EQUALS_SIGN_BEFORE_ATTRIBUTE_NAME",
  "UNEXPECTED_NULL_CHARACTER": 20,
  "20": "UNEXPECTED_NULL_CHARACTER",
  "UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME": 21,
  "21": "UNEXPECTED_QUESTION_MARK_INSTEAD_OF_TAG_NAME",
  "UNEXPECTED_SOLIDUS_IN_TAG": 22,
  "22": "UNEXPECTED_SOLIDUS_IN_TAG",
  "X_INVALID_END_TAG": 23,
  "23": "X_INVALID_END_TAG",
  "X_MISSING_END_TAG": 24,
  "24": "X_MISSING_END_TAG",
  "X_MISSING_INTERPOLATION_END": 25,
  "25": "X_MISSING_INTERPOLATION_END",
  "X_MISSING_DIRECTIVE_NAME": 26,
  "26": "X_MISSING_DIRECTIVE_NAME",
  "X_MISSING_DYNAMIC_DIRECTIVE_ARGUMENT_END": 27,
  "27": "X_MISSING_DYNAMIC_DIRECTIVE_ARGUMENT_END",
  "X_V_IF_NO_EXPRESSION": 28,
  "28": "X_V_IF_NO_EXPRESSION",
  "X_V_IF_SAME_KEY": 29,
  "29": "X_V_IF_SAME_KEY",
  "X_V_ELSE_NO_ADJACENT_IF": 30,
  "30": "X_V_ELSE_NO_ADJACENT_IF",
  "X_V_FOR_NO_EXPRESSION": 31,
  "31": "X_V_FOR_NO_EXPRESSION",
  "X_V_FOR_MALFORMED_EXPRESSION": 32,
  "32": "X_V_FOR_MALFORMED_EXPRESSION",
  "X_V_FOR_TEMPLATE_KEY_PLACEMENT": 33,
  "33": "X_V_FOR_TEMPLATE_KEY_PLACEMENT",
  "X_V_BIND_NO_EXPRESSION": 34,
  "34": "X_V_BIND_NO_EXPRESSION",
  "X_V_ON_NO_EXPRESSION": 35,
  "35": "X_V_ON_NO_EXPRESSION",
  "X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET": 36,
  "36": "X_V_SLOT_UNEXPECTED_DIRECTIVE_ON_SLOT_OUTLET",
  "X_V_SLOT_MIXED_SLOT_USAGE": 37,
  "37": "X_V_SLOT_MIXED_SLOT_USAGE",
  "X_V_SLOT_DUPLICATE_SLOT_NAMES": 38,
  "38": "X_V_SLOT_DUPLICATE_SLOT_NAMES",
  "X_V_SLOT_EXTRANEOUS_DEFAULT_SLOT_CHILDREN": 39,
  "39": "X_V_SLOT_EXTRANEOUS_DEFAULT_SLOT_CHILDREN",
  "X_V_SLOT_MISPLACED": 40,
  "40": "X_V_SLOT_MISPLACED",
  "X_V_MODEL_NO_EXPRESSION": 41,
  "41": "X_V_MODEL_NO_EXPRESSION",
  "X_V_MODEL_MALFORMED_EXPRESSION": 42,
  "42": "X_V_MODEL_MALFORMED_EXPRESSION",
  "X_V_MODEL_ON_SCOPE_VARIABLE": 43,
  "43": "X_V_MODEL_ON_SCOPE_VARIABLE",
  "X_V_MODEL_ON_PROPS": 44,
  "44": "X_V_MODEL_ON_PROPS",
  "X_INVALID_EXPRESSION": 45,
  "45": "X_INVALID_EXPRESSION",
  "X_KEEP_ALIVE_INVALID_CHILDREN": 46,
  "46": "X_KEEP_ALIVE_INVALID_CHILDREN",
  "X_PREFIX_ID_NOT_SUPPORTED": 47,
  "47": "X_PREFIX_ID_NOT_SUPPORTED",
  "X_MODULE_MODE_NOT_SUPPORTED": 48,
  "48": "X_MODULE_MODE_NOT_SUPPORTED",
  "X_CACHE_HANDLER_NOT_SUPPORTED": 49,
  "49": "X_CACHE_HANDLER_NOT_SUPPORTED",
  "X_SCOPE_ID_NOT_SUPPORTED": 50,
  "50": "X_SCOPE_ID_NOT_SUPPORTED",
  "X_VNODE_HOOKS": 51,
  "51": "X_VNODE_HOOKS",
  "X_V_BIND_INVALID_SAME_NAME_ARGUMENT": 52,
  "52": "X_V_BIND_INVALID_SAME_NAME_ARGUMENT",
  "__EXTEND_POINT__": 53,
  "53": "__EXTEND_POINT__"
};
const errorMessages = {
  // parse errors
  [0]: "Illegal comment.",
  [1]: "CDATA section is allowed only in XML context.",
  [2]: "Duplicate attribute.",
  [3]: "End tag cannot have attributes.",
  [4]: "Illegal '/' in tags.",
  [5]: "Unexpected EOF in tag.",
  [6]: "Unexpected EOF in CDATA section.",
  [7]: "Unexpected EOF in comment.",
  [8]: "Unexpected EOF in script.",
  [9]: "Unexpected EOF in tag.",
  [10]: "Incorrectly closed comment.",
  [11]: "Incorrectly opened comment.",
  [12]: "Illegal tag name. Use '&lt;' to print '<'.",
  [13]: "Attribute value was expected.",
  [14]: "End tag name was expected.",
  [15]: "Whitespace was expected.",
  [16]: "Unexpected '<!--' in comment.",
  [17]: `Attribute name cannot contain U+0022 ("), U+0027 ('), and U+003C (<).`,
  [18]: "Unquoted attribute value cannot contain U+0022 (\"), U+0027 ('), U+003C (<), U+003D (=), and U+0060 (`).",
  [19]: "Attribute name cannot start with '='.",
  [21]: "'<?' is allowed only in XML context.",
  [20]: `Unexpected null character.`,
  [22]: "Illegal '/' in tags.",
  // Vue-specific parse errors
  [23]: "Invalid end tag.",
  [24]: "Element is missing end tag.",
  [25]: "Interpolation end sign was not found.",
  [27]: "End bracket for dynamic directive argument was not found. Note that dynamic directive argument cannot contain spaces.",
  [26]: "Legal directive name was expected.",
  // transform errors
  [28]: `v-if/v-else-if is missing expression.`,
  [29]: `v-if/else branches must use unique keys.`,
  [30]: `v-else/v-else-if has no adjacent v-if or v-else-if.`,
  [31]: `v-for is missing expression.`,
  [32]: `v-for has invalid expression.`,
  [33]: `<template v-for> key should be placed on the <template> tag.`,
  [34]: `v-bind is missing expression.`,
  [52]: `v-bind with same-name shorthand only allows static argument.`,
  [35]: `v-on is missing expression.`,
  [36]: `Unexpected custom directive on <slot> outlet.`,
  [37]: `Mixed v-slot usage on both the component and nested <template>. When there are multiple named slots, all slots should use <template> syntax to avoid scope ambiguity.`,
  [38]: `Duplicate slot names found. `,
  [39]: `Extraneous children found when component already has explicitly named default slot. These children will be ignored.`,
  [40]: `v-slot can only be used on components or <template> tags.`,
  [41]: `v-model is missing expression.`,
  [42]: `v-model value must be a valid JavaScript member expression.`,
  [43]: `v-model cannot be used on v-for or v-slot scope variables because they are not writable.`,
  [44]: `v-model cannot be used on a prop, because local prop bindings are not writable.
Use a v-bind binding combined with a v-on listener that emits update:x event instead.`,
  [45]: `Error parsing JavaScript expression: `,
  [46]: `<KeepAlive> expects exactly one child component.`,
  [51]: `@vnode-* hooks in templates are no longer supported. Use the vue: prefix instead. For example, @vnode-mounted should be changed to @vue:mounted. @vnode-* hooks support has been removed in 3.4.`,
  // generic errors
  [47]: `"prefixIdentifiers" option is not supported in this build of compiler.`,
  [48]: `ES module mode is not supported in this build of compiler.`,
  [49]: `"cacheHandlers" option is only supported when the "prefixIdentifiers" option is enabled.`,
  [50]: `"scopeId" option is only supported in module mode.`,
  // just to fulfill types
  [53]: ``
};

function walkIdentifiers(root, onIdentifier, includeAll = false, parentStack = [], knownIds = /* @__PURE__ */ Object.create(null)) {
  {
    return;
  }
}
function isReferencedIdentifier(id, parent, parentStack) {
  {
    return false;
  }
}
function isInDestructureAssignment(parent, parentStack) {
  if (parent && (parent.type === "ObjectProperty" || parent.type === "ArrayPattern")) {
    let i = parentStack.length;
    while (i--) {
      const p = parentStack[i];
      if (p.type === "AssignmentExpression") {
        return true;
      } else if (p.type !== "ObjectProperty" && !p.type.endsWith("Pattern")) {
        break;
      }
    }
  }
  return false;
}
function isInNewExpression(parentStack) {
  let i = parentStack.length;
  while (i--) {
    const p = parentStack[i];
    if (p.type === "NewExpression") {
      return true;
    } else if (p.type !== "MemberExpression") {
      break;
    }
  }
  return false;
}
function walkFunctionParams(node, onIdent) {
  for (const p of node.params) {
    for (const id of extractIdentifiers(p)) {
      onIdent(id);
    }
  }
}
function walkBlockDeclarations(block, onIdent) {
  for (const stmt of block.body) {
    if (stmt.type === "VariableDeclaration") {
      if (stmt.declare) continue;
      for (const decl of stmt.declarations) {
        for (const id of extractIdentifiers(decl.id)) {
          onIdent(id);
        }
      }
    } else if (stmt.type === "FunctionDeclaration" || stmt.type === "ClassDeclaration") {
      if (stmt.declare || !stmt.id) continue;
      onIdent(stmt.id);
    } else if (isForStatement(stmt)) {
      walkForStatement(stmt, true, onIdent);
    }
  }
}
function isForStatement(stmt) {
  return stmt.type === "ForOfStatement" || stmt.type === "ForInStatement" || stmt.type === "ForStatement";
}
function walkForStatement(stmt, isVar, onIdent) {
  const variable = stmt.type === "ForStatement" ? stmt.init : stmt.left;
  if (variable && variable.type === "VariableDeclaration" && (variable.kind === "var" ? isVar : !isVar)) {
    for (const decl of variable.declarations) {
      for (const id of extractIdentifiers(decl.id)) {
        onIdent(id);
      }
    }
  }
}
function extractIdentifiers(param, nodes = []) {
  switch (param.type) {
    case "Identifier":
      nodes.push(param);
      break;
    case "MemberExpression":
      let object = param;
      while (object.type === "MemberExpression") {
        object = object.object;
      }
      nodes.push(object);
      break;
    case "ObjectPattern":
      for (const prop of param.properties) {
        if (prop.type === "RestElement") {
          extractIdentifiers(prop.argument, nodes);
        } else {
          extractIdentifiers(prop.value, nodes);
        }
      }
      break;
    case "ArrayPattern":
      param.elements.forEach((element) => {
        if (element) extractIdentifiers(element, nodes);
      });
      break;
    case "RestElement":
      extractIdentifiers(param.argument, nodes);
      break;
    case "AssignmentPattern":
      extractIdentifiers(param.left, nodes);
      break;
  }
  return nodes;
}
const isFunctionType = (node) => {
  return /Function(?:Expression|Declaration)$|Method$/.test(node.type);
};
const isStaticProperty = (node) => node && (node.type === "ObjectProperty" || node.type === "ObjectMethod") && !node.computed;
const isStaticPropertyKey = (node, parent) => isStaticProperty(parent) && parent.key === node;
const TS_NODE_TYPES = [
  "TSAsExpression",
  // foo as number
  "TSTypeAssertion",
  // (<number>foo)
  "TSNonNullExpression",
  // foo!
  "TSInstantiationExpression",
  // foo<string>
  "TSSatisfiesExpression"
  // foo satisfies T
];
function unwrapTSNode(node) {
  if (TS_NODE_TYPES.includes(node.type)) {
    return unwrapTSNode(node.expression);
  } else {
    return node;
  }
}

const isStaticExp = (p) => p.type === 4 && p.isStatic;
function isCoreComponent(tag) {
  switch (tag) {
    case "Teleport":
    case "teleport":
      return TELEPORT;
    case "Suspense":
    case "suspense":
      return SUSPENSE;
    case "KeepAlive":
    case "keep-alive":
      return KEEP_ALIVE;
    case "BaseTransition":
    case "base-transition":
      return BASE_TRANSITION;
  }
}
const nonIdentifierRE = /^$|^\d|[^\$\w\xA0-\uFFFF]/;
const isSimpleIdentifier = (name) => !nonIdentifierRE.test(name);
const validFirstIdentCharRE = /[A-Za-z_$\xA0-\uFFFF]/;
const validIdentCharRE = /[\.\?\w$\xA0-\uFFFF]/;
const whitespaceRE = /\s+[.[]\s*|\s*[.[]\s+/g;
const getExpSource = (exp) => exp.type === 4 ? exp.content : exp.loc.source;
const isMemberExpressionBrowser = (exp) => {
  const path = getExpSource(exp).trim().replace(whitespaceRE, (s) => s.trim());
  let state = 0 /* inMemberExp */;
  let stateStack = [];
  let currentOpenBracketCount = 0;
  let currentOpenParensCount = 0;
  let currentStringType = null;
  for (let i = 0; i < path.length; i++) {
    const char = path.charAt(i);
    switch (state) {
      case 0 /* inMemberExp */:
        if (char === "[") {
          stateStack.push(state);
          state = 1 /* inBrackets */;
          currentOpenBracketCount++;
        } else if (char === "(") {
          stateStack.push(state);
          state = 2 /* inParens */;
          currentOpenParensCount++;
        } else if (!(i === 0 ? validFirstIdentCharRE : validIdentCharRE).test(char)) {
          return false;
        }
        break;
      case 1 /* inBrackets */:
        if (char === `'` || char === `"` || char === "`") {
          stateStack.push(state);
          state = 3 /* inString */;
          currentStringType = char;
        } else if (char === `[`) {
          currentOpenBracketCount++;
        } else if (char === `]`) {
          if (!--currentOpenBracketCount) {
            state = stateStack.pop();
          }
        }
        break;
      case 2 /* inParens */:
        if (char === `'` || char === `"` || char === "`") {
          stateStack.push(state);
          state = 3 /* inString */;
          currentStringType = char;
        } else if (char === `(`) {
          currentOpenParensCount++;
        } else if (char === `)`) {
          if (i === path.length - 1) {
            return false;
          }
          if (!--currentOpenParensCount) {
            state = stateStack.pop();
          }
        }
        break;
      case 3 /* inString */:
        if (char === currentStringType) {
          state = stateStack.pop();
          currentStringType = null;
        }
        break;
    }
  }
  return !currentOpenBracketCount && !currentOpenParensCount;
};
const isMemberExpressionNode = NOOP ;
const isMemberExpression = isMemberExpressionBrowser ;
const fnExpRE = /^\s*(async\s*)?(\([^)]*?\)|[\w$_]+)\s*(:[^=]+)?=>|^\s*(async\s+)?function(?:\s+[\w$]+)?\s*\(/;
const isFnExpressionBrowser = (exp) => fnExpRE.test(getExpSource(exp));
const isFnExpressionNode = NOOP ;
const isFnExpression = isFnExpressionBrowser ;
function advancePositionWithClone(pos, source, numberOfCharacters = source.length) {
  return advancePositionWithMutation(
    {
      offset: pos.offset,
      line: pos.line,
      column: pos.column
    },
    source,
    numberOfCharacters
  );
}
function advancePositionWithMutation(pos, source, numberOfCharacters = source.length) {
  let linesCount = 0;
  let lastNewLinePos = -1;
  for (let i = 0; i < numberOfCharacters; i++) {
    if (source.charCodeAt(i) === 10) {
      linesCount++;
      lastNewLinePos = i;
    }
  }
  pos.offset += numberOfCharacters;
  pos.line += linesCount;
  pos.column = lastNewLinePos === -1 ? pos.column + numberOfCharacters : numberOfCharacters - lastNewLinePos;
  return pos;
}
function assert(condition, msg) {
  if (!condition) {
    throw new Error(msg || `unexpected compiler condition`);
  }
}
function findDir(node, name, allowEmpty = false) {
  for (let i = 0; i < node.props.length; i++) {
    const p = node.props[i];
    if (p.type === 7 && (allowEmpty || p.exp) && (isString(name) ? p.name === name : name.test(p.name))) {
      return p;
    }
  }
}
function findProp(node, name, dynamicOnly = false, allowEmpty = false) {
  for (let i = 0; i < node.props.length; i++) {
    const p = node.props[i];
    if (p.type === 6) {
      if (dynamicOnly) continue;
      if (p.name === name && (p.value || allowEmpty)) {
        return p;
      }
    } else if (p.name === "bind" && (p.exp || allowEmpty) && isStaticArgOf(p.arg, name)) {
      return p;
    }
  }
}
function isStaticArgOf(arg, name) {
  return !!(arg && isStaticExp(arg) && arg.content === name);
}
function hasDynamicKeyVBind(node) {
  return node.props.some(
    (p) => p.type === 7 && p.name === "bind" && (!p.arg || // v-bind="obj"
    p.arg.type !== 4 || // v-bind:[_ctx.foo]
    !p.arg.isStatic)
    // v-bind:[foo]
  );
}
function isText$1(node) {
  return node.type === 5 || node.type === 2;
}
function isVPre(p) {
  return p.type === 7 && p.name === "pre";
}
function isVSlot(p) {
  return p.type === 7 && p.name === "slot";
}
function isTemplateNode(node) {
  return node.type === 1 && node.tagType === 3;
}
function isSlotOutlet(node) {
  return node.type === 1 && node.tagType === 2;
}
const propsHelperSet = /* @__PURE__ */ new Set([NORMALIZE_PROPS, GUARD_REACTIVE_PROPS]);
function getUnnormalizedProps(props, callPath = []) {
  if (props && !isString(props) && props.type === 14) {
    const callee = props.callee;
    if (!isString(callee) && propsHelperSet.has(callee)) {
      return getUnnormalizedProps(
        props.arguments[0],
        callPath.concat(props)
      );
    }
  }
  return [props, callPath];
}
function injectProp(node, prop, context) {
  let propsWithInjection;
  let props = node.type === 13 ? node.props : node.arguments[2];
  let callPath = [];
  let parentCall;
  if (props && !isString(props) && props.type === 14) {
    const ret = getUnnormalizedProps(props);
    props = ret[0];
    callPath = ret[1];
    parentCall = callPath[callPath.length - 1];
  }
  if (props == null || isString(props)) {
    propsWithInjection = createObjectExpression([prop]);
  } else if (props.type === 14) {
    const first = props.arguments[0];
    if (!isString(first) && first.type === 15) {
      if (!hasProp(prop, first)) {
        first.properties.unshift(prop);
      }
    } else {
      if (props.callee === TO_HANDLERS) {
        propsWithInjection = createCallExpression(context.helper(MERGE_PROPS), [
          createObjectExpression([prop]),
          props
        ]);
      } else {
        props.arguments.unshift(createObjectExpression([prop]));
      }
    }
    !propsWithInjection && (propsWithInjection = props);
  } else if (props.type === 15) {
    if (!hasProp(prop, props)) {
      props.properties.unshift(prop);
    }
    propsWithInjection = props;
  } else {
    propsWithInjection = createCallExpression(context.helper(MERGE_PROPS), [
      createObjectExpression([prop]),
      props
    ]);
    if (parentCall && parentCall.callee === GUARD_REACTIVE_PROPS) {
      parentCall = callPath[callPath.length - 2];
    }
  }
  if (node.type === 13) {
    if (parentCall) {
      parentCall.arguments[0] = propsWithInjection;
    } else {
      node.props = propsWithInjection;
    }
  } else {
    if (parentCall) {
      parentCall.arguments[0] = propsWithInjection;
    } else {
      node.arguments[2] = propsWithInjection;
    }
  }
}
function hasProp(prop, props) {
  let result = false;
  if (prop.key.type === 4) {
    const propKeyName = prop.key.content;
    result = props.properties.some(
      (p) => p.key.type === 4 && p.key.content === propKeyName
    );
  }
  return result;
}
function toValidAssetId(name, type) {
  return `_${type}_${name.replace(/[^\w]/g, (searchValue, replaceValue) => {
    return searchValue === "-" ? "_" : name.charCodeAt(replaceValue).toString();
  })}`;
}
function hasScopeRef(node, ids) {
  if (!node || Object.keys(ids).length === 0) {
    return false;
  }
  switch (node.type) {
    case 1:
      for (let i = 0; i < node.props.length; i++) {
        const p = node.props[i];
        if (p.type === 7 && (hasScopeRef(p.arg, ids) || hasScopeRef(p.exp, ids))) {
          return true;
        }
      }
      return node.children.some((c) => hasScopeRef(c, ids));
    case 11:
      if (hasScopeRef(node.source, ids)) {
        return true;
      }
      return node.children.some((c) => hasScopeRef(c, ids));
    case 9:
      return node.branches.some((b) => hasScopeRef(b, ids));
    case 10:
      if (hasScopeRef(node.condition, ids)) {
        return true;
      }
      return node.children.some((c) => hasScopeRef(c, ids));
    case 4:
      return !node.isStatic && isSimpleIdentifier(node.content) && !!ids[node.content];
    case 8:
      return node.children.some((c) => isObject(c) && hasScopeRef(c, ids));
    case 5:
    case 12:
      return hasScopeRef(node.content, ids);
    case 2:
    case 3:
    case 20:
      return false;
    default:
      return false;
  }
}
function getMemoedVNodeCall(node) {
  if (node.type === 14 && node.callee === WITH_MEMO) {
    return node.arguments[1].returns;
  } else {
    return node;
  }
}
const forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+(\S[\s\S]*)/;

const defaultParserOptions = {
  parseMode: "base",
  ns: 0,
  delimiters: [`{{`, `}}`],
  getNamespace: () => 0,
  isVoidTag: NO,
  isPreTag: NO,
  isIgnoreNewlineTag: NO,
  isCustomElement: NO,
  onError: defaultOnError,
  onWarn: defaultOnWarn,
  comments: true,
  prefixIdentifiers: false
};
let currentOptions = defaultParserOptions;
let currentRoot = null;
let currentInput = "";
let currentOpenTag = null;
let currentProp = null;
let currentAttrValue = "";
let currentAttrStartIndex = -1;
let currentAttrEndIndex = -1;
let inPre = 0;
let inVPre = false;
let currentVPreBoundary = null;
const stack = [];
const tokenizer = new Tokenizer(stack, {
  onerr: emitError,
  ontext(start, end) {
    onText(getSlice(start, end), start, end);
  },
  ontextentity(char, start, end) {
    onText(char, start, end);
  },
  oninterpolation(start, end) {
    if (inVPre) {
      return onText(getSlice(start, end), start, end);
    }
    let innerStart = start + tokenizer.delimiterOpen.length;
    let innerEnd = end - tokenizer.delimiterClose.length;
    while (isWhitespace(currentInput.charCodeAt(innerStart))) {
      innerStart++;
    }
    while (isWhitespace(currentInput.charCodeAt(innerEnd - 1))) {
      innerEnd--;
    }
    let exp = getSlice(innerStart, innerEnd);
    if (exp.includes("&")) {
      {
        exp = currentOptions.decodeEntities(exp, false);
      }
    }
    addNode({
      type: 5,
      content: createExp(exp, false, getLoc(innerStart, innerEnd)),
      loc: getLoc(start, end)
    });
  },
  onopentagname(start, end) {
    const name = getSlice(start, end);
    currentOpenTag = {
      type: 1,
      tag: name,
      ns: currentOptions.getNamespace(name, stack[0], currentOptions.ns),
      tagType: 0,
      // will be refined on tag close
      props: [],
      children: [],
      loc: getLoc(start - 1, end),
      codegenNode: void 0
    };
  },
  onopentagend(end) {
    endOpenTag(end);
  },
  onclosetag(start, end) {
    const name = getSlice(start, end);
    if (!currentOptions.isVoidTag(name)) {
      let found = false;
      for (let i = 0; i < stack.length; i++) {
        const e = stack[i];
        if (e.tag.toLowerCase() === name.toLowerCase()) {
          found = true;
          if (i > 0) {
            emitError(24, stack[0].loc.start.offset);
          }
          for (let j = 0; j <= i; j++) {
            const el = stack.shift();
            onCloseTag(el, end, j < i);
          }
          break;
        }
      }
      if (!found) {
        emitError(23, backTrack(start, 60));
      }
    }
  },
  onselfclosingtag(end) {
    const name = currentOpenTag.tag;
    currentOpenTag.isSelfClosing = true;
    endOpenTag(end);
    if (stack[0] && stack[0].tag === name) {
      onCloseTag(stack.shift(), end);
    }
  },
  onattribname(start, end) {
    currentProp = {
      type: 6,
      name: getSlice(start, end),
      nameLoc: getLoc(start, end),
      value: void 0,
      loc: getLoc(start)
    };
  },
  ondirname(start, end) {
    const raw = getSlice(start, end);
    const name = raw === "." || raw === ":" ? "bind" : raw === "@" ? "on" : raw === "#" ? "slot" : raw.slice(2);
    if (!inVPre && name === "") {
      emitError(26, start);
    }
    if (inVPre || name === "") {
      currentProp = {
        type: 6,
        name: raw,
        nameLoc: getLoc(start, end),
        value: void 0,
        loc: getLoc(start)
      };
    } else {
      currentProp = {
        type: 7,
        name,
        rawName: raw,
        exp: void 0,
        arg: void 0,
        modifiers: raw === "." ? [createSimpleExpression("prop")] : [],
        loc: getLoc(start)
      };
      if (name === "pre") {
        inVPre = tokenizer.inVPre = true;
        currentVPreBoundary = currentOpenTag;
        const props = currentOpenTag.props;
        for (let i = 0; i < props.length; i++) {
          if (props[i].type === 7) {
            props[i] = dirToAttr(props[i]);
          }
        }
      }
    }
  },
  ondirarg(start, end) {
    if (start === end) return;
    const arg = getSlice(start, end);
    if (inVPre && !isVPre(currentProp)) {
      currentProp.name += arg;
      setLocEnd(currentProp.nameLoc, end);
    } else {
      const isStatic = arg[0] !== `[`;
      currentProp.arg = createExp(
        isStatic ? arg : arg.slice(1, -1),
        isStatic,
        getLoc(start, end),
        isStatic ? 3 : 0
      );
    }
  },
  ondirmodifier(start, end) {
    const mod = getSlice(start, end);
    if (inVPre && !isVPre(currentProp)) {
      currentProp.name += "." + mod;
      setLocEnd(currentProp.nameLoc, end);
    } else if (currentProp.name === "slot") {
      const arg = currentProp.arg;
      if (arg) {
        arg.content += "." + mod;
        setLocEnd(arg.loc, end);
      }
    } else {
      const exp = createSimpleExpression(mod, true, getLoc(start, end));
      currentProp.modifiers.push(exp);
    }
  },
  onattribdata(start, end) {
    currentAttrValue += getSlice(start, end);
    if (currentAttrStartIndex < 0) currentAttrStartIndex = start;
    currentAttrEndIndex = end;
  },
  onattribentity(char, start, end) {
    currentAttrValue += char;
    if (currentAttrStartIndex < 0) currentAttrStartIndex = start;
    currentAttrEndIndex = end;
  },
  onattribnameend(end) {
    const start = currentProp.loc.start.offset;
    const name = getSlice(start, end);
    if (currentProp.type === 7) {
      currentProp.rawName = name;
    }
    if (currentOpenTag.props.some(
      (p) => (p.type === 7 ? p.rawName : p.name) === name
    )) {
      emitError(2, start);
    }
  },
  onattribend(quote, end) {
    if (currentOpenTag && currentProp) {
      setLocEnd(currentProp.loc, end);
      if (quote !== 0) {
        if (currentAttrValue.includes("&")) {
          currentAttrValue = currentOptions.decodeEntities(
            currentAttrValue,
            true
          );
        }
        if (currentProp.type === 6) {
          if (currentProp.name === "class") {
            currentAttrValue = condense(currentAttrValue).trim();
          }
          if (quote === 1 && !currentAttrValue) {
            emitError(13, end);
          }
          currentProp.value = {
            type: 2,
            content: currentAttrValue,
            loc: quote === 1 ? getLoc(currentAttrStartIndex, currentAttrEndIndex) : getLoc(currentAttrStartIndex - 1, currentAttrEndIndex + 1)
          };
          if (tokenizer.inSFCRoot && currentOpenTag.tag === "template" && currentProp.name === "lang" && currentAttrValue && currentAttrValue !== "html") {
            tokenizer.enterRCDATA(toCharCodes(`</template`), 0);
          }
        } else {
          let expParseMode = 0 /* Normal */;
          currentProp.exp = createExp(
            currentAttrValue,
            false,
            getLoc(currentAttrStartIndex, currentAttrEndIndex),
            0,
            expParseMode
          );
          if (currentProp.name === "for") {
            currentProp.forParseResult = parseForExpression(currentProp.exp);
          }
          let syncIndex = -1;
          if (currentProp.name === "bind" && (syncIndex = currentProp.modifiers.findIndex(
            (mod) => mod.content === "sync"
          )) > -1 && checkCompatEnabled(
            "COMPILER_V_BIND_SYNC",
            currentOptions,
            currentProp.loc,
            currentProp.arg.loc.source
          )) {
            currentProp.name = "model";
            currentProp.modifiers.splice(syncIndex, 1);
          }
        }
      }
      if (currentProp.type !== 7 || currentProp.name !== "pre") {
        currentOpenTag.props.push(currentProp);
      }
    }
    currentAttrValue = "";
    currentAttrStartIndex = currentAttrEndIndex = -1;
  },
  oncomment(start, end) {
    if (currentOptions.comments) {
      addNode({
        type: 3,
        content: getSlice(start, end),
        loc: getLoc(start - 4, end + 3)
      });
    }
  },
  onend() {
    const end = currentInput.length;
    if (tokenizer.state !== 1) {
      switch (tokenizer.state) {
        case 5:
        case 8:
          emitError(5, end);
          break;
        case 3:
        case 4:
          emitError(
            25,
            tokenizer.sectionStart
          );
          break;
        case 28:
          if (tokenizer.currentSequence === Sequences.CdataEnd) {
            emitError(6, end);
          } else {
            emitError(7, end);
          }
          break;
        case 6:
        case 7:
        case 9:
        case 11:
        case 12:
        case 13:
        case 14:
        case 15:
        case 16:
        case 17:
        case 18:
        case 19:
        // "
        case 20:
        // '
        case 21:
          emitError(9, end);
          break;
      }
    }
    for (let index = 0; index < stack.length; index++) {
      onCloseTag(stack[index], end - 1);
      emitError(24, stack[index].loc.start.offset);
    }
  },
  oncdata(start, end) {
    if (stack[0].ns !== 0) {
      onText(getSlice(start, end), start, end);
    } else {
      emitError(1, start - 9);
    }
  },
  onprocessinginstruction(start) {
    if ((stack[0] ? stack[0].ns : currentOptions.ns) === 0) {
      emitError(
        21,
        start - 1
      );
    }
  }
});
const forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
const stripParensRE = /^\(|\)$/g;
function parseForExpression(input) {
  const loc = input.loc;
  const exp = input.content;
  const inMatch = exp.match(forAliasRE);
  if (!inMatch) return;
  const [, LHS, RHS] = inMatch;
  const createAliasExpression = (content, offset, asParam = false) => {
    const start = loc.start.offset + offset;
    const end = start + content.length;
    return createExp(
      content,
      false,
      getLoc(start, end),
      0,
      asParam ? 1 /* Params */ : 0 /* Normal */
    );
  };
  const result = {
    source: createAliasExpression(RHS.trim(), exp.indexOf(RHS, LHS.length)),
    value: void 0,
    key: void 0,
    index: void 0,
    finalized: false
  };
  let valueContent = LHS.trim().replace(stripParensRE, "").trim();
  const trimmedOffset = LHS.indexOf(valueContent);
  const iteratorMatch = valueContent.match(forIteratorRE);
  if (iteratorMatch) {
    valueContent = valueContent.replace(forIteratorRE, "").trim();
    const keyContent = iteratorMatch[1].trim();
    let keyOffset;
    if (keyContent) {
      keyOffset = exp.indexOf(keyContent, trimmedOffset + valueContent.length);
      result.key = createAliasExpression(keyContent, keyOffset, true);
    }
    if (iteratorMatch[2]) {
      const indexContent = iteratorMatch[2].trim();
      if (indexContent) {
        result.index = createAliasExpression(
          indexContent,
          exp.indexOf(
            indexContent,
            result.key ? keyOffset + keyContent.length : trimmedOffset + valueContent.length
          ),
          true
        );
      }
    }
  }
  if (valueContent) {
    result.value = createAliasExpression(valueContent, trimmedOffset, true);
  }
  return result;
}
function getSlice(start, end) {
  return currentInput.slice(start, end);
}
function endOpenTag(end) {
  if (tokenizer.inSFCRoot) {
    currentOpenTag.innerLoc = getLoc(end + 1, end + 1);
  }
  addNode(currentOpenTag);
  const { tag, ns } = currentOpenTag;
  if (ns === 0 && currentOptions.isPreTag(tag)) {
    inPre++;
  }
  if (currentOptions.isVoidTag(tag)) {
    onCloseTag(currentOpenTag, end);
  } else {
    stack.unshift(currentOpenTag);
    if (ns === 1 || ns === 2) {
      tokenizer.inXML = true;
    }
  }
  currentOpenTag = null;
}
function onText(content, start, end) {
  {
    const tag = stack[0] && stack[0].tag;
    if (tag !== "script" && tag !== "style" && content.includes("&")) {
      content = currentOptions.decodeEntities(content, false);
    }
  }
  const parent = stack[0] || currentRoot;
  const lastNode = parent.children[parent.children.length - 1];
  if (lastNode && lastNode.type === 2) {
    lastNode.content += content;
    setLocEnd(lastNode.loc, end);
  } else {
    parent.children.push({
      type: 2,
      content,
      loc: getLoc(start, end)
    });
  }
}
function onCloseTag(el, end, isImplied = false) {
  if (isImplied) {
    setLocEnd(el.loc, backTrack(end, 60));
  } else {
    setLocEnd(el.loc, lookAhead(end, 62) + 1);
  }
  if (tokenizer.inSFCRoot) {
    if (el.children.length) {
      el.innerLoc.end = extend({}, el.children[el.children.length - 1].loc.end);
    } else {
      el.innerLoc.end = extend({}, el.innerLoc.start);
    }
    el.innerLoc.source = getSlice(
      el.innerLoc.start.offset,
      el.innerLoc.end.offset
    );
  }
  const { tag, ns, children } = el;
  if (!inVPre) {
    if (tag === "slot") {
      el.tagType = 2;
    } else if (isFragmentTemplate(el)) {
      el.tagType = 3;
    } else if (isComponent(el)) {
      el.tagType = 1;
    }
  }
  if (!tokenizer.inRCDATA) {
    el.children = condenseWhitespace(children);
  }
  if (ns === 0 && currentOptions.isIgnoreNewlineTag(tag)) {
    const first = children[0];
    if (first && first.type === 2) {
      first.content = first.content.replace(/^\r?\n/, "");
    }
  }
  if (ns === 0 && currentOptions.isPreTag(tag)) {
    inPre--;
  }
  if (currentVPreBoundary === el) {
    inVPre = tokenizer.inVPre = false;
    currentVPreBoundary = null;
  }
  if (tokenizer.inXML && (stack[0] ? stack[0].ns : currentOptions.ns) === 0) {
    tokenizer.inXML = false;
  }
  {
    const props = el.props;
    if (isCompatEnabled(
      "COMPILER_V_IF_V_FOR_PRECEDENCE",
      currentOptions
    )) {
      let hasIf = false;
      let hasFor = false;
      for (let i = 0; i < props.length; i++) {
        const p = props[i];
        if (p.type === 7) {
          if (p.name === "if") {
            hasIf = true;
          } else if (p.name === "for") {
            hasFor = true;
          }
        }
        if (hasIf && hasFor) {
          warnDeprecation(
            "COMPILER_V_IF_V_FOR_PRECEDENCE",
            currentOptions,
            el.loc
          );
          break;
        }
      }
    }
    if (!tokenizer.inSFCRoot && isCompatEnabled(
      "COMPILER_NATIVE_TEMPLATE",
      currentOptions
    ) && el.tag === "template" && !isFragmentTemplate(el)) {
      warnDeprecation(
        "COMPILER_NATIVE_TEMPLATE",
        currentOptions,
        el.loc
      );
      const parent = stack[0] || currentRoot;
      const index = parent.children.indexOf(el);
      parent.children.splice(index, 1, ...el.children);
    }
    const inlineTemplateProp = props.find(
      (p) => p.type === 6 && p.name === "inline-template"
    );
    if (inlineTemplateProp && checkCompatEnabled(
      "COMPILER_INLINE_TEMPLATE",
      currentOptions,
      inlineTemplateProp.loc
    ) && el.children.length) {
      inlineTemplateProp.value = {
        type: 2,
        content: getSlice(
          el.children[0].loc.start.offset,
          el.children[el.children.length - 1].loc.end.offset
        ),
        loc: inlineTemplateProp.loc
      };
    }
  }
}
function lookAhead(index, c) {
  let i = index;
  while (currentInput.charCodeAt(i) !== c && i < currentInput.length - 1) i++;
  return i;
}
function backTrack(index, c) {
  let i = index;
  while (currentInput.charCodeAt(i) !== c && i >= 0) i--;
  return i;
}
const specialTemplateDir = /* @__PURE__ */ new Set(["if", "else", "else-if", "for", "slot"]);
function isFragmentTemplate({ tag, props }) {
  if (tag === "template") {
    for (let i = 0; i < props.length; i++) {
      if (props[i].type === 7 && specialTemplateDir.has(props[i].name)) {
        return true;
      }
    }
  }
  return false;
}
function isComponent({ tag, props }) {
  if (currentOptions.isCustomElement(tag)) {
    return false;
  }
  if (tag === "component" || isUpperCase(tag.charCodeAt(0)) || isCoreComponent(tag) || currentOptions.isBuiltInComponent && currentOptions.isBuiltInComponent(tag) || currentOptions.isNativeTag && !currentOptions.isNativeTag(tag)) {
    return true;
  }
  for (let i = 0; i < props.length; i++) {
    const p = props[i];
    if (p.type === 6) {
      if (p.name === "is" && p.value) {
        if (p.value.content.startsWith("vue:")) {
          return true;
        } else if (checkCompatEnabled(
          "COMPILER_IS_ON_ELEMENT",
          currentOptions,
          p.loc
        )) {
          return true;
        }
      }
    } else if (// :is on plain element - only treat as component in compat mode
    p.name === "bind" && isStaticArgOf(p.arg, "is") && checkCompatEnabled(
      "COMPILER_IS_ON_ELEMENT",
      currentOptions,
      p.loc
    )) {
      return true;
    }
  }
  return false;
}
function isUpperCase(c) {
  return c > 64 && c < 91;
}
const windowsNewlineRE = /\r\n/g;
function condenseWhitespace(nodes) {
  const shouldCondense = currentOptions.whitespace !== "preserve";
  let removedWhitespace = false;
  for (let i = 0; i < nodes.length; i++) {
    const node = nodes[i];
    if (node.type === 2) {
      if (!inPre) {
        if (isAllWhitespace(node.content)) {
          const prev = nodes[i - 1] && nodes[i - 1].type;
          const next = nodes[i + 1] && nodes[i + 1].type;
          if (!prev || !next || shouldCondense && (prev === 3 && (next === 3 || next === 1) || prev === 1 && (next === 3 || next === 1 && hasNewlineChar(node.content)))) {
            removedWhitespace = true;
            nodes[i] = null;
          } else {
            node.content = " ";
          }
        } else if (shouldCondense) {
          node.content = condense(node.content);
        }
      } else {
        node.content = node.content.replace(windowsNewlineRE, "\n");
      }
    }
  }
  return removedWhitespace ? nodes.filter(Boolean) : nodes;
}
function isAllWhitespace(str) {
  for (let i = 0; i < str.length; i++) {
    if (!isWhitespace(str.charCodeAt(i))) {
      return false;
    }
  }
  return true;
}
function hasNewlineChar(str) {
  for (let i = 0; i < str.length; i++) {
    const c = str.charCodeAt(i);
    if (c === 10 || c === 13) {
      return true;
    }
  }
  return false;
}
function condense(str) {
  let ret = "";
  let prevCharIsWhitespace = false;
  for (let i = 0; i < str.length; i++) {
    if (isWhitespace(str.charCodeAt(i))) {
      if (!prevCharIsWhitespace) {
        ret += " ";
        prevCharIsWhitespace = true;
      }
    } else {
      ret += str[i];
      prevCharIsWhitespace = false;
    }
  }
  return ret;
}
function addNode(node) {
  (stack[0] || currentRoot).children.push(node);
}
function getLoc(start, end) {
  return {
    start: tokenizer.getPos(start),
    // @ts-expect-error allow late attachment
    end: end == null ? end : tokenizer.getPos(end),
    // @ts-expect-error allow late attachment
    source: end == null ? end : getSlice(start, end)
  };
}
function cloneLoc(loc) {
  return getLoc(loc.start.offset, loc.end.offset);
}
function setLocEnd(loc, end) {
  loc.end = tokenizer.getPos(end);
  loc.source = getSlice(loc.start.offset, end);
}
function dirToAttr(dir) {
  const attr = {
    type: 6,
    name: dir.rawName,
    nameLoc: getLoc(
      dir.loc.start.offset,
      dir.loc.start.offset + dir.rawName.length
    ),
    value: void 0,
    loc: dir.loc
  };
  if (dir.exp) {
    const loc = dir.exp.loc;
    if (loc.end.offset < dir.loc.end.offset) {
      loc.start.offset--;
      loc.start.column--;
      loc.end.offset++;
      loc.end.column++;
    }
    attr.value = {
      type: 2,
      content: dir.exp.content,
      loc
    };
  }
  return attr;
}
function createExp(content, isStatic = false, loc, constType = 0, parseMode = 0 /* Normal */) {
  const exp = createSimpleExpression(content, isStatic, loc, constType);
  return exp;
}
function emitError(code, index, message) {
  currentOptions.onError(
    createCompilerError(code, getLoc(index, index), void 0, message)
  );
}
function reset() {
  tokenizer.reset();
  currentOpenTag = null;
  currentProp = null;
  currentAttrValue = "";
  currentAttrStartIndex = -1;
  currentAttrEndIndex = -1;
  stack.length = 0;
}
function baseParse(input, options) {
  reset();
  currentInput = input;
  currentOptions = extend({}, defaultParserOptions);
  if (options) {
    let key;
    for (key in options) {
      if (options[key] != null) {
        currentOptions[key] = options[key];
      }
    }
  }
  {
    if (!currentOptions.decodeEntities) {
      throw new Error(
        `[@vue/compiler-core] decodeEntities option is required in browser builds.`
      );
    }
  }
  tokenizer.mode = currentOptions.parseMode === "html" ? 1 : currentOptions.parseMode === "sfc" ? 2 : 0;
  tokenizer.inXML = currentOptions.ns === 1 || currentOptions.ns === 2;
  const delimiters = options && options.delimiters;
  if (delimiters) {
    tokenizer.delimiterOpen = toCharCodes(delimiters[0]);
    tokenizer.delimiterClose = toCharCodes(delimiters[1]);
  }
  const root = currentRoot = createRoot([], input);
  tokenizer.parse(currentInput);
  root.loc = getLoc(0, input.length);
  root.children = condenseWhitespace(root.children);
  currentRoot = null;
  return root;
}

function cacheStatic(root, context) {
  walk(
    root,
    void 0,
    context,
    // Root node is unfortunately non-hoistable due to potential parent
    // fallthrough attributes.
    !!getSingleElementRoot(root)
  );
}
function getSingleElementRoot(root) {
  const children = root.children.filter((x) => x.type !== 3);
  return children.length === 1 && children[0].type === 1 && !isSlotOutlet(children[0]) ? children[0] : null;
}
function walk(node, parent, context, doNotHoistNode = false, inFor = false) {
  const { children } = node;
  const toCache = [];
  for (let i = 0; i < children.length; i++) {
    const child = children[i];
    if (child.type === 1 && child.tagType === 0) {
      const constantType = doNotHoistNode ? 0 : getConstantType(child, context);
      if (constantType > 0) {
        if (constantType >= 2) {
          child.codegenNode.patchFlag = -1;
          toCache.push(child);
          continue;
        }
      } else {
        const codegenNode = child.codegenNode;
        if (codegenNode.type === 13) {
          const flag = codegenNode.patchFlag;
          if ((flag === void 0 || flag === 512 || flag === 1) && getGeneratedPropsConstantType(child, context) >= 2) {
            const props = getNodeProps(child);
            if (props) {
              codegenNode.props = context.hoist(props);
            }
          }
          if (codegenNode.dynamicProps) {
            codegenNode.dynamicProps = context.hoist(codegenNode.dynamicProps);
          }
        }
      }
    } else if (child.type === 12) {
      const constantType = doNotHoistNode ? 0 : getConstantType(child, context);
      if (constantType >= 2) {
        if (child.codegenNode.type === 14 && child.codegenNode.arguments.length > 0) {
          child.codegenNode.arguments.push(
            -1 + (` /* ${PatchFlagNames[-1]} */` )
          );
        }
        toCache.push(child);
        continue;
      }
    }
    if (child.type === 1) {
      const isComponent = child.tagType === 1;
      if (isComponent) {
        context.scopes.vSlot++;
      }
      walk(child, node, context, false, inFor);
      if (isComponent) {
        context.scopes.vSlot--;
      }
    } else if (child.type === 11) {
      walk(child, node, context, child.children.length === 1, true);
    } else if (child.type === 9) {
      for (let i2 = 0; i2 < child.branches.length; i2++) {
        walk(
          child.branches[i2],
          node,
          context,
          child.branches[i2].children.length === 1,
          inFor
        );
      }
    }
  }
  let cachedAsArray = false;
  if (toCache.length === children.length && node.type === 1) {
    if (node.tagType === 0 && node.codegenNode && node.codegenNode.type === 13 && isArray(node.codegenNode.children)) {
      node.codegenNode.children = getCacheExpression(
        createArrayExpression(node.codegenNode.children)
      );
      cachedAsArray = true;
    } else if (node.tagType === 1 && node.codegenNode && node.codegenNode.type === 13 && node.codegenNode.children && !isArray(node.codegenNode.children) && node.codegenNode.children.type === 15) {
      const slot = getSlotNode(node.codegenNode, "default");
      if (slot) {
        slot.returns = getCacheExpression(
          createArrayExpression(slot.returns)
        );
        cachedAsArray = true;
      }
    } else if (node.tagType === 3 && parent && parent.type === 1 && parent.tagType === 1 && parent.codegenNode && parent.codegenNode.type === 13 && parent.codegenNode.children && !isArray(parent.codegenNode.children) && parent.codegenNode.children.type === 15) {
      const slotName = findDir(node, "slot", true);
      const slot = slotName && slotName.arg && getSlotNode(parent.codegenNode, slotName.arg);
      if (slot) {
        slot.returns = getCacheExpression(
          createArrayExpression(slot.returns)
        );
        cachedAsArray = true;
      }
    }
  }
  if (!cachedAsArray) {
    for (const child of toCache) {
      child.codegenNode = context.cache(child.codegenNode);
    }
  }
  function getCacheExpression(value) {
    const exp = context.cache(value);
    exp.needArraySpread = true;
    return exp;
  }
  function getSlotNode(node2, name) {
    if (node2.children && !isArray(node2.children) && node2.children.type === 15) {
      const slot = node2.children.properties.find(
        (p) => p.key === name || p.key.content === name
      );
      return slot && slot.value;
    }
  }
  if (toCache.length && context.transformHoist) {
    context.transformHoist(children, context, node);
  }
}
function getConstantType(node, context) {
  const { constantCache } = context;
  switch (node.type) {
    case 1:
      if (node.tagType !== 0) {
        return 0;
      }
      const cached = constantCache.get(node);
      if (cached !== void 0) {
        return cached;
      }
      const codegenNode = node.codegenNode;
      if (codegenNode.type !== 13) {
        return 0;
      }
      if (codegenNode.isBlock && node.tag !== "svg" && node.tag !== "foreignObject" && node.tag !== "math") {
        return 0;
      }
      if (codegenNode.patchFlag === void 0) {
        let returnType2 = 3;
        const generatedPropsType = getGeneratedPropsConstantType(node, context);
        if (generatedPropsType === 0) {
          constantCache.set(node, 0);
          return 0;
        }
        if (generatedPropsType < returnType2) {
          returnType2 = generatedPropsType;
        }
        for (let i = 0; i < node.children.length; i++) {
          const childType = getConstantType(node.children[i], context);
          if (childType === 0) {
            constantCache.set(node, 0);
            return 0;
          }
          if (childType < returnType2) {
            returnType2 = childType;
          }
        }
        if (returnType2 > 1) {
          for (let i = 0; i < node.props.length; i++) {
            const p = node.props[i];
            if (p.type === 7 && p.name === "bind" && p.exp) {
              const expType = getConstantType(p.exp, context);
              if (expType === 0) {
                constantCache.set(node, 0);
                return 0;
              }
              if (expType < returnType2) {
                returnType2 = expType;
              }
            }
          }
        }
        if (codegenNode.isBlock) {
          for (let i = 0; i < node.props.length; i++) {
            const p = node.props[i];
            if (p.type === 7) {
              constantCache.set(node, 0);
              return 0;
            }
          }
          context.removeHelper(OPEN_BLOCK);
          context.removeHelper(
            getVNodeBlockHelper(context.inSSR, codegenNode.isComponent)
          );
          codegenNode.isBlock = false;
          context.helper(getVNodeHelper(context.inSSR, codegenNode.isComponent));
        }
        constantCache.set(node, returnType2);
        return returnType2;
      } else {
        constantCache.set(node, 0);
        return 0;
      }
    case 2:
    case 3:
      return 3;
    case 9:
    case 11:
    case 10:
      return 0;
    case 5:
    case 12:
      return getConstantType(node.content, context);
    case 4:
      return node.constType;
    case 8:
      let returnType = 3;
      for (let i = 0; i < node.children.length; i++) {
        const child = node.children[i];
        if (isString(child) || isSymbol(child)) {
          continue;
        }
        const childType = getConstantType(child, context);
        if (childType === 0) {
          return 0;
        } else if (childType < returnType) {
          returnType = childType;
        }
      }
      return returnType;
    case 20:
      return 2;
    default:
      return 0;
  }
}
const allowHoistedHelperSet = /* @__PURE__ */ new Set([
  NORMALIZE_CLASS,
  NORMALIZE_STYLE,
  NORMALIZE_PROPS,
  GUARD_REACTIVE_PROPS
]);
function getConstantTypeOfHelperCall(value, context) {
  if (value.type === 14 && !isString(value.callee) && allowHoistedHelperSet.has(value.callee)) {
    const arg = value.arguments[0];
    if (arg.type === 4) {
      return getConstantType(arg, context);
    } else if (arg.type === 14) {
      return getConstantTypeOfHelperCall(arg, context);
    }
  }
  return 0;
}
function getGeneratedPropsConstantType(node, context) {
  let returnType = 3;
  const props = getNodeProps(node);
  if (props && props.type === 15) {
    const { properties } = props;
    for (let i = 0; i < properties.length; i++) {
      const { key, value } = properties[i];
      const keyType = getConstantType(key, context);
      if (keyType === 0) {
        return keyType;
      }
      if (keyType < returnType) {
        returnType = keyType;
      }
      let valueType;
      if (value.type === 4) {
        valueType = getConstantType(value, context);
      } else if (value.type === 14) {
        valueType = getConstantTypeOfHelperCall(value, context);
      } else {
        valueType = 0;
      }
      if (valueType === 0) {
        return valueType;
      }
      if (valueType < returnType) {
        returnType = valueType;
      }
    }
  }
  return returnType;
}
function getNodeProps(node) {
  const codegenNode = node.codegenNode;
  if (codegenNode.type === 13) {
    return codegenNode.props;
  }
}

function createTransformContext(root, {
  filename = "",
  prefixIdentifiers = false,
  hoistStatic = false,
  hmr = false,
  cacheHandlers = false,
  nodeTransforms = [],
  directiveTransforms = {},
  transformHoist = null,
  isBuiltInComponent = NOOP,
  isCustomElement = NOOP,
  expressionPlugins = [],
  scopeId = null,
  slotted = true,
  ssr = false,
  inSSR = false,
  ssrCssVars = ``,
  bindingMetadata = EMPTY_OBJ,
  inline = false,
  isTS = false,
  onError = defaultOnError,
  onWarn = defaultOnWarn,
  compatConfig
}) {
  const nameMatch = filename.replace(/\?.*$/, "").match(/([^/\\]+)\.\w+$/);
  const context = {
    // options
    filename,
    selfName: nameMatch && capitalize(camelize(nameMatch[1])),
    prefixIdentifiers,
    hoistStatic,
    hmr,
    cacheHandlers,
    nodeTransforms,
    directiveTransforms,
    transformHoist,
    isBuiltInComponent,
    isCustomElement,
    expressionPlugins,
    scopeId,
    slotted,
    ssr,
    inSSR,
    ssrCssVars,
    bindingMetadata,
    inline,
    isTS,
    onError,
    onWarn,
    compatConfig,
    // state
    root,
    helpers: /* @__PURE__ */ new Map(),
    components: /* @__PURE__ */ new Set(),
    directives: /* @__PURE__ */ new Set(),
    hoists: [],
    imports: [],
    cached: [],
    constantCache: /* @__PURE__ */ new WeakMap(),
    temps: 0,
    identifiers: /* @__PURE__ */ Object.create(null),
    scopes: {
      vFor: 0,
      vSlot: 0,
      vPre: 0,
      vOnce: 0
    },
    parent: null,
    grandParent: null,
    currentNode: root,
    childIndex: 0,
    inVOnce: false,
    // methods
    helper(name) {
      const count = context.helpers.get(name) || 0;
      context.helpers.set(name, count + 1);
      return name;
    },
    removeHelper(name) {
      const count = context.helpers.get(name);
      if (count) {
        const currentCount = count - 1;
        if (!currentCount) {
          context.helpers.delete(name);
        } else {
          context.helpers.set(name, currentCount);
        }
      }
    },
    helperString(name) {
      return `_${helperNameMap[context.helper(name)]}`;
    },
    replaceNode(node) {
      {
        if (!context.currentNode) {
          throw new Error(`Node being replaced is already removed.`);
        }
        if (!context.parent) {
          throw new Error(`Cannot replace root node.`);
        }
      }
      context.parent.children[context.childIndex] = context.currentNode = node;
    },
    removeNode(node) {
      if (!context.parent) {
        throw new Error(`Cannot remove root node.`);
      }
      const list = context.parent.children;
      const removalIndex = node ? list.indexOf(node) : context.currentNode ? context.childIndex : -1;
      if (removalIndex < 0) {
        throw new Error(`node being removed is not a child of current parent`);
      }
      if (!node || node === context.currentNode) {
        context.currentNode = null;
        context.onNodeRemoved();
      } else {
        if (context.childIndex > removalIndex) {
          context.childIndex--;
          context.onNodeRemoved();
        }
      }
      context.parent.children.splice(removalIndex, 1);
    },
    onNodeRemoved: NOOP,
    addIdentifiers(exp) {
    },
    removeIdentifiers(exp) {
    },
    hoist(exp) {
      if (isString(exp)) exp = createSimpleExpression(exp);
      context.hoists.push(exp);
      const identifier = createSimpleExpression(
        `_hoisted_${context.hoists.length}`,
        false,
        exp.loc,
        2
      );
      identifier.hoisted = exp;
      return identifier;
    },
    cache(exp, isVNode = false, inVOnce = false) {
      const cacheExp = createCacheExpression(
        context.cached.length,
        exp,
        isVNode,
        inVOnce
      );
      context.cached.push(cacheExp);
      return cacheExp;
    }
  };
  {
    context.filters = /* @__PURE__ */ new Set();
  }
  return context;
}
function transform(root, options) {
  const context = createTransformContext(root, options);
  traverseNode(root, context);
  if (options.hoistStatic) {
    cacheStatic(root, context);
  }
  if (!options.ssr) {
    createRootCodegen(root, context);
  }
  root.helpers = /* @__PURE__ */ new Set([...context.helpers.keys()]);
  root.components = [...context.components];
  root.directives = [...context.directives];
  root.imports = context.imports;
  root.hoists = context.hoists;
  root.temps = context.temps;
  root.cached = context.cached;
  root.transformed = true;
  {
    root.filters = [...context.filters];
  }
}
function createRootCodegen(root, context) {
  const { helper } = context;
  const { children } = root;
  if (children.length === 1) {
    const singleElementRootChild = getSingleElementRoot(root);
    if (singleElementRootChild && singleElementRootChild.codegenNode) {
      const codegenNode = singleElementRootChild.codegenNode;
      if (codegenNode.type === 13) {
        convertToBlock(codegenNode, context);
      }
      root.codegenNode = codegenNode;
    } else {
      root.codegenNode = children[0];
    }
  } else if (children.length > 1) {
    let patchFlag = 64;
    if (children.filter((c) => c.type !== 3).length === 1) {
      patchFlag |= 2048;
    }
    root.codegenNode = createVNodeCall(
      context,
      helper(FRAGMENT),
      void 0,
      root.children,
      patchFlag,
      void 0,
      void 0,
      true,
      void 0,
      false
    );
  } else ;
}
function traverseChildren(parent, context) {
  let i = 0;
  const nodeRemoved = () => {
    i--;
  };
  for (; i < parent.children.length; i++) {
    const child = parent.children[i];
    if (isString(child)) continue;
    context.grandParent = context.parent;
    context.parent = parent;
    context.childIndex = i;
    context.onNodeRemoved = nodeRemoved;
    traverseNode(child, context);
  }
}
function traverseNode(node, context) {
  context.currentNode = node;
  const { nodeTransforms } = context;
  const exitFns = [];
  for (let i2 = 0; i2 < nodeTransforms.length; i2++) {
    const onExit = nodeTransforms[i2](node, context);
    if (onExit) {
      if (isArray(onExit)) {
        exitFns.push(...onExit);
      } else {
        exitFns.push(onExit);
      }
    }
    if (!context.currentNode) {
      return;
    } else {
      node = context.currentNode;
    }
  }
  switch (node.type) {
    case 3:
      if (!context.ssr) {
        context.helper(CREATE_COMMENT);
      }
      break;
    case 5:
      if (!context.ssr) {
        context.helper(TO_DISPLAY_STRING);
      }
      break;
    // for container types, further traverse downwards
    case 9:
      for (let i2 = 0; i2 < node.branches.length; i2++) {
        traverseNode(node.branches[i2], context);
      }
      break;
    case 10:
    case 11:
    case 1:
    case 0:
      traverseChildren(node, context);
      break;
  }
  context.currentNode = node;
  let i = exitFns.length;
  while (i--) {
    exitFns[i]();
  }
}
function createStructuralDirectiveTransform(name, fn) {
  const matches = isString(name) ? (n) => n === name : (n) => name.test(n);
  return (node, context) => {
    if (node.type === 1) {
      const { props } = node;
      if (node.tagType === 3 && props.some(isVSlot)) {
        return;
      }
      const exitFns = [];
      for (let i = 0; i < props.length; i++) {
        const prop = props[i];
        if (prop.type === 7 && matches(prop.name)) {
          props.splice(i, 1);
          i--;
          const onExit = fn(node, prop, context);
          if (onExit) exitFns.push(onExit);
        }
      }
      return exitFns;
    }
  };
}

const PURE_ANNOTATION = `/*@__PURE__*/`;
const aliasHelper = (s) => `${helperNameMap[s]}: _${helperNameMap[s]}`;
function createCodegenContext(ast, {
  mode = "function",
  prefixIdentifiers = mode === "module",
  sourceMap = false,
  filename = `template.vue.html`,
  scopeId = null,
  optimizeImports = false,
  runtimeGlobalName = `Vue`,
  runtimeModuleName = `vue`,
  ssrRuntimeModuleName = "vue/server-renderer",
  ssr = false,
  isTS = false,
  inSSR = false
}) {
  const context = {
    mode,
    prefixIdentifiers,
    sourceMap,
    filename,
    scopeId,
    optimizeImports,
    runtimeGlobalName,
    runtimeModuleName,
    ssrRuntimeModuleName,
    ssr,
    isTS,
    inSSR,
    source: ast.source,
    code: ``,
    column: 1,
    line: 1,
    offset: 0,
    indentLevel: 0,
    pure: false,
    map: void 0,
    helper(key) {
      return `_${helperNameMap[key]}`;
    },
    push(code, newlineIndex = -2 /* None */, node) {
      context.code += code;
    },
    indent() {
      newline(++context.indentLevel);
    },
    deindent(withoutNewLine = false) {
      if (withoutNewLine) {
        --context.indentLevel;
      } else {
        newline(--context.indentLevel);
      }
    },
    newline() {
      newline(context.indentLevel);
    }
  };
  function newline(n) {
    context.push("\n" + `  `.repeat(n), 0 /* Start */);
  }
  return context;
}
function generate(ast, options = {}) {
  const context = createCodegenContext(ast, options);
  if (options.onContextCreated) options.onContextCreated(context);
  const {
    mode,
    push,
    prefixIdentifiers,
    indent,
    deindent,
    newline,
    scopeId,
    ssr
  } = context;
  const helpers = Array.from(ast.helpers);
  const hasHelpers = helpers.length > 0;
  const useWithBlock = !prefixIdentifiers && mode !== "module";
  const preambleContext = context;
  {
    genFunctionPreamble(ast, preambleContext);
  }
  const functionName = ssr ? `ssrRender` : `render`;
  const args = ssr ? ["_ctx", "_push", "_parent", "_attrs"] : ["_ctx", "_cache"];
  const signature = args.join(", ");
  {
    push(`function ${functionName}(${signature}) {`);
  }
  indent();
  if (useWithBlock) {
    push(`with (_ctx) {`);
    indent();
    if (hasHelpers) {
      push(
        `const { ${helpers.map(aliasHelper).join(", ")} } = _Vue
`,
        -1 /* End */
      );
      newline();
    }
  }
  if (ast.components.length) {
    genAssets(ast.components, "component", context);
    if (ast.directives.length || ast.temps > 0) {
      newline();
    }
  }
  if (ast.directives.length) {
    genAssets(ast.directives, "directive", context);
    if (ast.temps > 0) {
      newline();
    }
  }
  if (ast.filters && ast.filters.length) {
    newline();
    genAssets(ast.filters, "filter", context);
    newline();
  }
  if (ast.temps > 0) {
    push(`let `);
    for (let i = 0; i < ast.temps; i++) {
      push(`${i > 0 ? `, ` : ``}_temp${i}`);
    }
  }
  if (ast.components.length || ast.directives.length || ast.temps) {
    push(`
`, 0 /* Start */);
    newline();
  }
  if (!ssr) {
    push(`return `);
  }
  if (ast.codegenNode) {
    genNode(ast.codegenNode, context);
  } else {
    push(`null`);
  }
  if (useWithBlock) {
    deindent();
    push(`}`);
  }
  deindent();
  push(`}`);
  return {
    ast,
    code: context.code,
    preamble: ``,
    map: context.map ? context.map.toJSON() : void 0
  };
}
function genFunctionPreamble(ast, context) {
  const {
    ssr,
    prefixIdentifiers,
    push,
    newline,
    runtimeModuleName,
    runtimeGlobalName,
    ssrRuntimeModuleName
  } = context;
  const VueBinding = runtimeGlobalName;
  const helpers = Array.from(ast.helpers);
  if (helpers.length > 0) {
    {
      push(`const _Vue = ${VueBinding}
`, -1 /* End */);
      if (ast.hoists.length) {
        const staticHelpers = [
          CREATE_VNODE,
          CREATE_ELEMENT_VNODE,
          CREATE_COMMENT,
          CREATE_TEXT,
          CREATE_STATIC
        ].filter((helper) => helpers.includes(helper)).map(aliasHelper).join(", ");
        push(`const { ${staticHelpers} } = _Vue
`, -1 /* End */);
      }
    }
  }
  genHoists(ast.hoists, context);
  newline();
  push(`return `);
}
function genAssets(assets, type, { helper, push, newline, isTS }) {
  const resolver = helper(
    type === "filter" ? RESOLVE_FILTER : type === "component" ? RESOLVE_COMPONENT : RESOLVE_DIRECTIVE
  );
  for (let i = 0; i < assets.length; i++) {
    let id = assets[i];
    const maybeSelfReference = id.endsWith("__self");
    if (maybeSelfReference) {
      id = id.slice(0, -6);
    }
    push(
      `const ${toValidAssetId(id, type)} = ${resolver}(${JSON.stringify(id)}${maybeSelfReference ? `, true` : ``})${isTS ? `!` : ``}`
    );
    if (i < assets.length - 1) {
      newline();
    }
  }
}
function genHoists(hoists, context) {
  if (!hoists.length) {
    return;
  }
  context.pure = true;
  const { push, newline } = context;
  newline();
  for (let i = 0; i < hoists.length; i++) {
    const exp = hoists[i];
    if (exp) {
      push(`const _hoisted_${i + 1} = `);
      genNode(exp, context);
      newline();
    }
  }
  context.pure = false;
}
function isText(n) {
  return isString(n) || n.type === 4 || n.type === 2 || n.type === 5 || n.type === 8;
}
function genNodeListAsArray(nodes, context) {
  const multilines = nodes.length > 3 || nodes.some((n) => isArray(n) || !isText(n));
  context.push(`[`);
  multilines && context.indent();
  genNodeList(nodes, context, multilines);
  multilines && context.deindent();
  context.push(`]`);
}
function genNodeList(nodes, context, multilines = false, comma = true) {
  const { push, newline } = context;
  for (let i = 0; i < nodes.length; i++) {
    const node = nodes[i];
    if (isString(node)) {
      push(node, -3 /* Unknown */);
    } else if (isArray(node)) {
      genNodeListAsArray(node, context);
    } else {
      genNode(node, context);
    }
    if (i < nodes.length - 1) {
      if (multilines) {
        comma && push(",");
        newline();
      } else {
        comma && push(", ");
      }
    }
  }
}
function genNode(node, context) {
  if (isString(node)) {
    context.push(node, -3 /* Unknown */);
    return;
  }
  if (isSymbol(node)) {
    context.push(context.helper(node));
    return;
  }
  switch (node.type) {
    case 1:
    case 9:
    case 11:
      assert(
        node.codegenNode != null,
        `Codegen node is missing for element/if/for node. Apply appropriate transforms first.`
      );
      genNode(node.codegenNode, context);
      break;
    case 2:
      genText(node, context);
      break;
    case 4:
      genExpression(node, context);
      break;
    case 5:
      genInterpolation(node, context);
      break;
    case 12:
      genNode(node.codegenNode, context);
      break;
    case 8:
      genCompoundExpression(node, context);
      break;
    case 3:
      genComment(node, context);
      break;
    case 13:
      genVNodeCall(node, context);
      break;
    case 14:
      genCallExpression(node, context);
      break;
    case 15:
      genObjectExpression(node, context);
      break;
    case 17:
      genArrayExpression(node, context);
      break;
    case 18:
      genFunctionExpression(node, context);
      break;
    case 19:
      genConditionalExpression(node, context);
      break;
    case 20:
      genCacheExpression(node, context);
      break;
    case 21:
      genNodeList(node.body, context, true, false);
      break;
    // SSR only types
    case 22:
      break;
    case 23:
      break;
    case 24:
      break;
    case 25:
      break;
    case 26:
      break;
    /* v8 ignore start */
    case 10:
      break;
    default:
      {
        assert(false, `unhandled codegen node type: ${node.type}`);
        const exhaustiveCheck = node;
        return exhaustiveCheck;
      }
  }
}
function genText(node, context) {
  context.push(JSON.stringify(node.content), -3 /* Unknown */, node);
}
function genExpression(node, context) {
  const { content, isStatic } = node;
  context.push(
    isStatic ? JSON.stringify(content) : content,
    -3 /* Unknown */,
    node
  );
}
function genInterpolation(node, context) {
  const { push, helper, pure } = context;
  if (pure) push(PURE_ANNOTATION);
  push(`${helper(TO_DISPLAY_STRING)}(`);
  genNode(node.content, context);
  push(`)`);
}
function genCompoundExpression(node, context) {
  for (let i = 0; i < node.children.length; i++) {
    const child = node.children[i];
    if (isString(child)) {
      context.push(child, -3 /* Unknown */);
    } else {
      genNode(child, context);
    }
  }
}
function genExpressionAsPropertyKey(node, context) {
  const { push } = context;
  if (node.type === 8) {
    push(`[`);
    genCompoundExpression(node, context);
    push(`]`);
  } else if (node.isStatic) {
    const text = isSimpleIdentifier(node.content) ? node.content : JSON.stringify(node.content);
    push(text, -2 /* None */, node);
  } else {
    push(`[${node.content}]`, -3 /* Unknown */, node);
  }
}
function genComment(node, context) {
  const { push, helper, pure } = context;
  if (pure) {
    push(PURE_ANNOTATION);
  }
  push(
    `${helper(CREATE_COMMENT)}(${JSON.stringify(node.content)})`,
    -3 /* Unknown */,
    node
  );
}
function genVNodeCall(node, context) {
  const { push, helper, pure } = context;
  const {
    tag,
    props,
    children,
    patchFlag,
    dynamicProps,
    directives,
    isBlock,
    disableTracking,
    isComponent
  } = node;
  let patchFlagString;
  if (patchFlag) {
    {
      if (patchFlag < 0) {
        patchFlagString = patchFlag + ` /* ${PatchFlagNames[patchFlag]} */`;
      } else {
        const flagNames = Object.keys(PatchFlagNames).map(Number).filter((n) => n > 0 && patchFlag & n).map((n) => PatchFlagNames[n]).join(`, `);
        patchFlagString = patchFlag + ` /* ${flagNames} */`;
      }
    }
  }
  if (directives) {
    push(helper(WITH_DIRECTIVES) + `(`);
  }
  if (isBlock) {
    push(`(${helper(OPEN_BLOCK)}(${disableTracking ? `true` : ``}), `);
  }
  if (pure) {
    push(PURE_ANNOTATION);
  }
  const callHelper = isBlock ? getVNodeBlockHelper(context.inSSR, isComponent) : getVNodeHelper(context.inSSR, isComponent);
  push(helper(callHelper) + `(`, -2 /* None */, node);
  genNodeList(
    genNullableArgs([tag, props, children, patchFlagString, dynamicProps]),
    context
  );
  push(`)`);
  if (isBlock) {
    push(`)`);
  }
  if (directives) {
    push(`, `);
    genNode(directives, context);
    push(`)`);
  }
}
function genNullableArgs(args) {
  let i = args.length;
  while (i--) {
    if (args[i] != null) break;
  }
  return args.slice(0, i + 1).map((arg) => arg || `null`);
}
function genCallExpression(node, context) {
  const { push, helper, pure } = context;
  const callee = isString(node.callee) ? node.callee : helper(node.callee);
  if (pure) {
    push(PURE_ANNOTATION);
  }
  push(callee + `(`, -2 /* None */, node);
  genNodeList(node.arguments, context);
  push(`)`);
}
function genObjectExpression(node, context) {
  const { push, indent, deindent, newline } = context;
  const { properties } = node;
  if (!properties.length) {
    push(`{}`, -2 /* None */, node);
    return;
  }
  const multilines = properties.length > 1 || properties.some((p) => p.value.type !== 4);
  push(multilines ? `{` : `{ `);
  multilines && indent();
  for (let i = 0; i < properties.length; i++) {
    const { key, value } = properties[i];
    genExpressionAsPropertyKey(key, context);
    push(`: `);
    genNode(value, context);
    if (i < properties.length - 1) {
      push(`,`);
      newline();
    }
  }
  multilines && deindent();
  push(multilines ? `}` : ` }`);
}
function genArrayExpression(node, context) {
  genNodeListAsArray(node.elements, context);
}
function genFunctionExpression(node, context) {
  const { push, indent, deindent } = context;
  const { params, returns, body, newline, isSlot } = node;
  if (isSlot) {
    push(`_${helperNameMap[WITH_CTX]}(`);
  }
  push(`(`, -2 /* None */, node);
  if (isArray(params)) {
    genNodeList(params, context);
  } else if (params) {
    genNode(params, context);
  }
  push(`) => `);
  if (newline || body) {
    push(`{`);
    indent();
  }
  if (returns) {
    if (newline) {
      push(`return `);
    }
    if (isArray(returns)) {
      genNodeListAsArray(returns, context);
    } else {
      genNode(returns, context);
    }
  } else if (body) {
    genNode(body, context);
  }
  if (newline || body) {
    deindent();
    push(`}`);
  }
  if (isSlot) {
    if (node.isNonScopedSlot) {
      push(`, undefined, true`);
    }
    push(`)`);
  }
}
function genConditionalExpression(node, context) {
  const { test, consequent, alternate, newline: needNewline } = node;
  const { push, indent, deindent, newline } = context;
  if (test.type === 4) {
    const needsParens = !isSimpleIdentifier(test.content);
    needsParens && push(`(`);
    genExpression(test, context);
    needsParens && push(`)`);
  } else {
    push(`(`);
    genNode(test, context);
    push(`)`);
  }
  needNewline && indent();
  context.indentLevel++;
  needNewline || push(` `);
  push(`? `);
  genNode(consequent, context);
  context.indentLevel--;
  needNewline && newline();
  needNewline || push(` `);
  push(`: `);
  const isNested = alternate.type === 19;
  if (!isNested) {
    context.indentLevel++;
  }
  genNode(alternate, context);
  if (!isNested) {
    context.indentLevel--;
  }
  needNewline && deindent(
    true
    /* without newline */
  );
}
function genCacheExpression(node, context) {
  const { push, helper, indent, deindent, newline } = context;
  const { needPauseTracking, needArraySpread } = node;
  if (needArraySpread) {
    push(`[...(`);
  }
  push(`_cache[${node.index}] || (`);
  if (needPauseTracking) {
    indent();
    push(`${helper(SET_BLOCK_TRACKING)}(-1`);
    if (node.inVOnce) push(`, true`);
    push(`),`);
    newline();
    push(`(`);
  }
  push(`_cache[${node.index}] = `);
  genNode(node.value, context);
  if (needPauseTracking) {
    push(`).cacheIndex = ${node.index},`);
    newline();
    push(`${helper(SET_BLOCK_TRACKING)}(1),`);
    newline();
    push(`_cache[${node.index}]`);
    deindent();
  }
  push(`)`);
  if (needArraySpread) {
    push(`)]`);
  }
}

const prohibitedKeywordRE = new RegExp(
  "\\b" + "arguments,await,break,case,catch,class,const,continue,debugger,default,delete,do,else,export,extends,finally,for,function,if,import,let,new,return,super,switch,throw,try,var,void,while,with,yield".split(",").join("\\b|\\b") + "\\b"
);
const stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
function validateBrowserExpression(node, context, asParams = false, asRawStatements = false) {
  const exp = node.content;
  if (!exp.trim()) {
    return;
  }
  try {
    new Function(
      asRawStatements ? ` ${exp} ` : `return ${asParams ? `(${exp}) => {}` : `(${exp})`}`
    );
  } catch (e) {
    let message = e.message;
    const keywordMatch = exp.replace(stripStringRE, "").match(prohibitedKeywordRE);
    if (keywordMatch) {
      message = `avoid using JavaScript keyword as property name: "${keywordMatch[0]}"`;
    }
    context.onError(
      createCompilerError(
        45,
        node.loc,
        void 0,
        message
      )
    );
  }
}

const transformExpression = (node, context) => {
  if (node.type === 5) {
    node.content = processExpression(
      node.content,
      context
    );
  } else if (node.type === 1) {
    const memo = findDir(node, "memo");
    for (let i = 0; i < node.props.length; i++) {
      const dir = node.props[i];
      if (dir.type === 7 && dir.name !== "for") {
        const exp = dir.exp;
        const arg = dir.arg;
        if (exp && exp.type === 4 && !(dir.name === "on" && arg) && // key has been processed in transformFor(vMemo + vFor)
        !(memo && arg && arg.type === 4 && arg.content === "key")) {
          dir.exp = processExpression(
            exp,
            context,
            // slot args must be processed as function params
            dir.name === "slot"
          );
        }
        if (arg && arg.type === 4 && !arg.isStatic) {
          dir.arg = processExpression(arg, context);
        }
      }
    }
  }
};
function processExpression(node, context, asParams = false, asRawStatements = false, localVars = Object.create(context.identifiers)) {
  {
    {
      validateBrowserExpression(node, context, asParams, asRawStatements);
    }
    return node;
  }
}
function stringifyExpression(exp) {
  if (isString(exp)) {
    return exp;
  } else if (exp.type === 4) {
    return exp.content;
  } else {
    return exp.children.map(stringifyExpression).join("");
  }
}

const transformIf = createStructuralDirectiveTransform(
  /^(if|else|else-if)$/,
  (node, dir, context) => {
    return processIf(node, dir, context, (ifNode, branch, isRoot) => {
      const siblings = context.parent.children;
      let i = siblings.indexOf(ifNode);
      let key = 0;
      while (i-- >= 0) {
        const sibling = siblings[i];
        if (sibling && sibling.type === 9) {
          key += sibling.branches.length;
        }
      }
      return () => {
        if (isRoot) {
          ifNode.codegenNode = createCodegenNodeForBranch(
            branch,
            key,
            context
          );
        } else {
          const parentCondition = getParentCondition(ifNode.codegenNode);
          parentCondition.alternate = createCodegenNodeForBranch(
            branch,
            key + ifNode.branches.length - 1,
            context
          );
        }
      };
    });
  }
);
function processIf(node, dir, context, processCodegen) {
  if (dir.name !== "else" && (!dir.exp || !dir.exp.content.trim())) {
    const loc = dir.exp ? dir.exp.loc : node.loc;
    context.onError(
      createCompilerError(28, dir.loc)
    );
    dir.exp = createSimpleExpression(`true`, false, loc);
  }
  if (dir.exp) {
    validateBrowserExpression(dir.exp, context);
  }
  if (dir.name === "if") {
    const branch = createIfBranch(node, dir);
    const ifNode = {
      type: 9,
      loc: cloneLoc(node.loc),
      branches: [branch]
    };
    context.replaceNode(ifNode);
    if (processCodegen) {
      return processCodegen(ifNode, branch, true);
    }
  } else {
    const siblings = context.parent.children;
    const comments = [];
    let i = siblings.indexOf(node);
    while (i-- >= -1) {
      const sibling = siblings[i];
      if (sibling && sibling.type === 3) {
        context.removeNode(sibling);
        comments.unshift(sibling);
        continue;
      }
      if (sibling && sibling.type === 2 && !sibling.content.trim().length) {
        context.removeNode(sibling);
        continue;
      }
      if (sibling && sibling.type === 9) {
        if ((dir.name === "else-if" || dir.name === "else") && sibling.branches[sibling.branches.length - 1].condition === void 0) {
          context.onError(
            createCompilerError(30, node.loc)
          );
        }
        context.removeNode();
        const branch = createIfBranch(node, dir);
        if (comments.length && // #3619 ignore comments if the v-if is direct child of <transition>
        !(context.parent && context.parent.type === 1 && (context.parent.tag === "transition" || context.parent.tag === "Transition"))) {
          branch.children = [...comments, ...branch.children];
        }
        {
          const key = branch.userKey;
          if (key) {
            sibling.branches.forEach(({ userKey }) => {
              if (isSameKey(userKey, key)) {
                context.onError(
                  createCompilerError(
                    29,
                    branch.userKey.loc
                  )
                );
              }
            });
          }
        }
        sibling.branches.push(branch);
        const onExit = processCodegen && processCodegen(sibling, branch, false);
        traverseNode(branch, context);
        if (onExit) onExit();
        context.currentNode = null;
      } else {
        context.onError(
          createCompilerError(30, node.loc)
        );
      }
      break;
    }
  }
}
function createIfBranch(node, dir) {
  const isTemplateIf = node.tagType === 3;
  return {
    type: 10,
    loc: node.loc,
    condition: dir.name === "else" ? void 0 : dir.exp,
    children: isTemplateIf && !findDir(node, "for") ? node.children : [node],
    userKey: findProp(node, `key`),
    isTemplateIf
  };
}
function createCodegenNodeForBranch(branch, keyIndex, context) {
  if (branch.condition) {
    return createConditionalExpression(
      branch.condition,
      createChildrenCodegenNode(branch, keyIndex, context),
      // make sure to pass in asBlock: true so that the comment node call
      // closes the current block.
      createCallExpression(context.helper(CREATE_COMMENT), [
        '"v-if"' ,
        "true"
      ])
    );
  } else {
    return createChildrenCodegenNode(branch, keyIndex, context);
  }
}
function createChildrenCodegenNode(branch, keyIndex, context) {
  const { helper } = context;
  const keyProperty = createObjectProperty(
    `key`,
    createSimpleExpression(
      `${keyIndex}`,
      false,
      locStub,
      2
    )
  );
  const { children } = branch;
  const firstChild = children[0];
  const needFragmentWrapper = children.length !== 1 || firstChild.type !== 1;
  if (needFragmentWrapper) {
    if (children.length === 1 && firstChild.type === 11) {
      const vnodeCall = firstChild.codegenNode;
      injectProp(vnodeCall, keyProperty, context);
      return vnodeCall;
    } else {
      let patchFlag = 64;
      if (!branch.isTemplateIf && children.filter((c) => c.type !== 3).length === 1) {
        patchFlag |= 2048;
      }
      return createVNodeCall(
        context,
        helper(FRAGMENT),
        createObjectExpression([keyProperty]),
        children,
        patchFlag,
        void 0,
        void 0,
        true,
        false,
        false,
        branch.loc
      );
    }
  } else {
    const ret = firstChild.codegenNode;
    const vnodeCall = getMemoedVNodeCall(ret);
    if (vnodeCall.type === 13) {
      convertToBlock(vnodeCall, context);
    }
    injectProp(vnodeCall, keyProperty, context);
    return ret;
  }
}
function isSameKey(a, b) {
  if (!a || a.type !== b.type) {
    return false;
  }
  if (a.type === 6) {
    if (a.value.content !== b.value.content) {
      return false;
    }
  } else {
    const exp = a.exp;
    const branchExp = b.exp;
    if (exp.type !== branchExp.type) {
      return false;
    }
    if (exp.type !== 4 || exp.isStatic !== branchExp.isStatic || exp.content !== branchExp.content) {
      return false;
    }
  }
  return true;
}
function getParentCondition(node) {
  while (true) {
    if (node.type === 19) {
      if (node.alternate.type === 19) {
        node = node.alternate;
      } else {
        return node;
      }
    } else if (node.type === 20) {
      node = node.value;
    }
  }
}

const transformBind = (dir, _node, context) => {
  const { modifiers, loc } = dir;
  const arg = dir.arg;
  let { exp } = dir;
  if (exp && exp.type === 4 && !exp.content.trim()) {
    {
      exp = void 0;
    }
  }
  if (!exp) {
    if (arg.type !== 4 || !arg.isStatic) {
      context.onError(
        createCompilerError(
          52,
          arg.loc
        )
      );
      return {
        props: [
          createObjectProperty(arg, createSimpleExpression("", true, loc))
        ]
      };
    }
    transformBindShorthand(dir);
    exp = dir.exp;
  }
  if (arg.type !== 4) {
    arg.children.unshift(`(`);
    arg.children.push(`) || ""`);
  } else if (!arg.isStatic) {
    arg.content = arg.content ? `${arg.content} || ""` : `""`;
  }
  if (modifiers.some((mod) => mod.content === "camel")) {
    if (arg.type === 4) {
      if (arg.isStatic) {
        arg.content = camelize(arg.content);
      } else {
        arg.content = `${context.helperString(CAMELIZE)}(${arg.content})`;
      }
    } else {
      arg.children.unshift(`${context.helperString(CAMELIZE)}(`);
      arg.children.push(`)`);
    }
  }
  if (!context.inSSR) {
    if (modifiers.some((mod) => mod.content === "prop")) {
      injectPrefix(arg, ".");
    }
    if (modifiers.some((mod) => mod.content === "attr")) {
      injectPrefix(arg, "^");
    }
  }
  return {
    props: [createObjectProperty(arg, exp)]
  };
};
const transformBindShorthand = (dir, context) => {
  const arg = dir.arg;
  const propName = camelize(arg.content);
  dir.exp = createSimpleExpression(propName, false, arg.loc);
};
const injectPrefix = (arg, prefix) => {
  if (arg.type === 4) {
    if (arg.isStatic) {
      arg.content = prefix + arg.content;
    } else {
      arg.content = `\`${prefix}\${${arg.content}}\``;
    }
  } else {
    arg.children.unshift(`'${prefix}' + (`);
    arg.children.push(`)`);
  }
};

const transformFor = createStructuralDirectiveTransform(
  "for",
  (node, dir, context) => {
    const { helper, removeHelper } = context;
    return processFor(node, dir, context, (forNode) => {
      const renderExp = createCallExpression(helper(RENDER_LIST), [
        forNode.source
      ]);
      const isTemplate = isTemplateNode(node);
      const memo = findDir(node, "memo");
      const keyProp = findProp(node, `key`, false, true);
      const isDirKey = keyProp && keyProp.type === 7;
      if (isDirKey && !keyProp.exp) {
        transformBindShorthand(keyProp);
      }
      let keyExp = keyProp && (keyProp.type === 6 ? keyProp.value ? createSimpleExpression(keyProp.value.content, true) : void 0 : keyProp.exp);
      const keyProperty = keyProp && keyExp ? createObjectProperty(`key`, keyExp) : null;
      const isStableFragment = forNode.source.type === 4 && forNode.source.constType > 0;
      const fragmentFlag = isStableFragment ? 64 : keyProp ? 128 : 256;
      forNode.codegenNode = createVNodeCall(
        context,
        helper(FRAGMENT),
        void 0,
        renderExp,
        fragmentFlag,
        void 0,
        void 0,
        true,
        !isStableFragment,
        false,
        node.loc
      );
      return () => {
        let childBlock;
        const { children } = forNode;
        if (isTemplate) {
          node.children.some((c) => {
            if (c.type === 1) {
              const key = findProp(c, "key");
              if (key) {
                context.onError(
                  createCompilerError(
                    33,
                    key.loc
                  )
                );
                return true;
              }
            }
          });
        }
        const needFragmentWrapper = children.length !== 1 || children[0].type !== 1;
        const slotOutlet = isSlotOutlet(node) ? node : isTemplate && node.children.length === 1 && isSlotOutlet(node.children[0]) ? node.children[0] : null;
        if (slotOutlet) {
          childBlock = slotOutlet.codegenNode;
          if (isTemplate && keyProperty) {
            injectProp(childBlock, keyProperty, context);
          }
        } else if (needFragmentWrapper) {
          childBlock = createVNodeCall(
            context,
            helper(FRAGMENT),
            keyProperty ? createObjectExpression([keyProperty]) : void 0,
            node.children,
            64,
            void 0,
            void 0,
            true,
            void 0,
            false
          );
        } else {
          childBlock = children[0].codegenNode;
          if (isTemplate && keyProperty) {
            injectProp(childBlock, keyProperty, context);
          }
          if (childBlock.isBlock !== !isStableFragment) {
            if (childBlock.isBlock) {
              removeHelper(OPEN_BLOCK);
              removeHelper(
                getVNodeBlockHelper(context.inSSR, childBlock.isComponent)
              );
            } else {
              removeHelper(
                getVNodeHelper(context.inSSR, childBlock.isComponent)
              );
            }
          }
          childBlock.isBlock = !isStableFragment;
          if (childBlock.isBlock) {
            helper(OPEN_BLOCK);
            helper(getVNodeBlockHelper(context.inSSR, childBlock.isComponent));
          } else {
            helper(getVNodeHelper(context.inSSR, childBlock.isComponent));
          }
        }
        if (memo) {
          const loop = createFunctionExpression(
            createForLoopParams(forNode.parseResult, [
              createSimpleExpression(`_cached`)
            ])
          );
          loop.body = createBlockStatement([
            createCompoundExpression([`const _memo = (`, memo.exp, `)`]),
            createCompoundExpression([
              `if (_cached`,
              ...keyExp ? [` && _cached.key === `, keyExp] : [],
              ` && ${context.helperString(
                IS_MEMO_SAME
              )}(_cached, _memo)) return _cached`
            ]),
            createCompoundExpression([`const _item = `, childBlock]),
            createSimpleExpression(`_item.memo = _memo`),
            createSimpleExpression(`return _item`)
          ]);
          renderExp.arguments.push(
            loop,
            createSimpleExpression(`_cache`),
            createSimpleExpression(String(context.cached.length))
          );
          context.cached.push(null);
        } else {
          renderExp.arguments.push(
            createFunctionExpression(
              createForLoopParams(forNode.parseResult),
              childBlock,
              true
            )
          );
        }
      };
    });
  }
);
function processFor(node, dir, context, processCodegen) {
  if (!dir.exp) {
    context.onError(
      createCompilerError(31, dir.loc)
    );
    return;
  }
  const parseResult = dir.forParseResult;
  if (!parseResult) {
    context.onError(
      createCompilerError(32, dir.loc)
    );
    return;
  }
  finalizeForParseResult(parseResult, context);
  const { addIdentifiers, removeIdentifiers, scopes } = context;
  const { source, value, key, index } = parseResult;
  const forNode = {
    type: 11,
    loc: dir.loc,
    source,
    valueAlias: value,
    keyAlias: key,
    objectIndexAlias: index,
    parseResult,
    children: isTemplateNode(node) ? node.children : [node]
  };
  context.replaceNode(forNode);
  scopes.vFor++;
  const onExit = processCodegen && processCodegen(forNode);
  return () => {
    scopes.vFor--;
    if (onExit) onExit();
  };
}
function finalizeForParseResult(result, context) {
  if (result.finalized) return;
  {
    validateBrowserExpression(result.source, context);
    if (result.key) {
      validateBrowserExpression(
        result.key,
        context,
        true
      );
    }
    if (result.index) {
      validateBrowserExpression(
        result.index,
        context,
        true
      );
    }
    if (result.value) {
      validateBrowserExpression(
        result.value,
        context,
        true
      );
    }
  }
  result.finalized = true;
}
function createForLoopParams({ value, key, index }, memoArgs = []) {
  return createParamsList([value, key, index, ...memoArgs]);
}
function createParamsList(args) {
  let i = args.length;
  while (i--) {
    if (args[i]) break;
  }
  return args.slice(0, i + 1).map((arg, i2) => arg || createSimpleExpression(`_`.repeat(i2 + 1), false));
}

const defaultFallback = createSimpleExpression(`undefined`, false);
const trackSlotScopes = (node, context) => {
  if (node.type === 1 && (node.tagType === 1 || node.tagType === 3)) {
    const vSlot = findDir(node, "slot");
    if (vSlot) {
      vSlot.exp;
      context.scopes.vSlot++;
      return () => {
        context.scopes.vSlot--;
      };
    }
  }
};
const trackVForSlotScopes = (node, context) => {
  let vFor;
  if (isTemplateNode(node) && node.props.some(isVSlot) && (vFor = findDir(node, "for"))) {
    const result = vFor.forParseResult;
    if (result) {
      finalizeForParseResult(result, context);
      const { value, key, index } = result;
      const { addIdentifiers, removeIdentifiers } = context;
      value && addIdentifiers(value);
      key && addIdentifiers(key);
      index && addIdentifiers(index);
      return () => {
        value && removeIdentifiers(value);
        key && removeIdentifiers(key);
        index && removeIdentifiers(index);
      };
    }
  }
};
const buildClientSlotFn = (props, _vForExp, children, loc) => createFunctionExpression(
  props,
  children,
  false,
  true,
  children.length ? children[0].loc : loc
);
function buildSlots(node, context, buildSlotFn = buildClientSlotFn) {
  context.helper(WITH_CTX);
  const { children, loc } = node;
  const slotsProperties = [];
  const dynamicSlots = [];
  let hasDynamicSlots = context.scopes.vSlot > 0 || context.scopes.vFor > 0;
  const onComponentSlot = findDir(node, "slot", true);
  if (onComponentSlot) {
    const { arg, exp } = onComponentSlot;
    if (arg && !isStaticExp(arg)) {
      hasDynamicSlots = true;
    }
    slotsProperties.push(
      createObjectProperty(
        arg || createSimpleExpression("default", true),
        buildSlotFn(exp, void 0, children, loc)
      )
    );
  }
  let hasTemplateSlots = false;
  let hasNamedDefaultSlot = false;
  const implicitDefaultChildren = [];
  const seenSlotNames = /* @__PURE__ */ new Set();
  let conditionalBranchIndex = 0;
  for (let i = 0; i < children.length; i++) {
    const slotElement = children[i];
    let slotDir;
    if (!isTemplateNode(slotElement) || !(slotDir = findDir(slotElement, "slot", true))) {
      if (slotElement.type !== 3) {
        implicitDefaultChildren.push(slotElement);
      }
      continue;
    }
    if (onComponentSlot) {
      context.onError(
        createCompilerError(37, slotDir.loc)
      );
      break;
    }
    hasTemplateSlots = true;
    const { children: slotChildren, loc: slotLoc } = slotElement;
    const {
      arg: slotName = createSimpleExpression(`default`, true),
      exp: slotProps,
      loc: dirLoc
    } = slotDir;
    let staticSlotName;
    if (isStaticExp(slotName)) {
      staticSlotName = slotName ? slotName.content : `default`;
    } else {
      hasDynamicSlots = true;
    }
    const vFor = findDir(slotElement, "for");
    const slotFunction = buildSlotFn(slotProps, vFor, slotChildren, slotLoc);
    let vIf;
    let vElse;
    if (vIf = findDir(slotElement, "if")) {
      hasDynamicSlots = true;
      dynamicSlots.push(
        createConditionalExpression(
          vIf.exp,
          buildDynamicSlot(slotName, slotFunction, conditionalBranchIndex++),
          defaultFallback
        )
      );
    } else if (vElse = findDir(
      slotElement,
      /^else(-if)?$/,
      true
      /* allowEmpty */
    )) {
      let j = i;
      let prev;
      while (j--) {
        prev = children[j];
        if (prev.type !== 3 && isNonWhitespaceContent(prev)) {
          break;
        }
      }
      if (prev && isTemplateNode(prev) && findDir(prev, /^(else-)?if$/)) {
        let conditional = dynamicSlots[dynamicSlots.length - 1];
        while (conditional.alternate.type === 19) {
          conditional = conditional.alternate;
        }
        conditional.alternate = vElse.exp ? createConditionalExpression(
          vElse.exp,
          buildDynamicSlot(
            slotName,
            slotFunction,
            conditionalBranchIndex++
          ),
          defaultFallback
        ) : buildDynamicSlot(slotName, slotFunction, conditionalBranchIndex++);
      } else {
        context.onError(
          createCompilerError(30, vElse.loc)
        );
      }
    } else if (vFor) {
      hasDynamicSlots = true;
      const parseResult = vFor.forParseResult;
      if (parseResult) {
        finalizeForParseResult(parseResult, context);
        dynamicSlots.push(
          createCallExpression(context.helper(RENDER_LIST), [
            parseResult.source,
            createFunctionExpression(
              createForLoopParams(parseResult),
              buildDynamicSlot(slotName, slotFunction),
              true
            )
          ])
        );
      } else {
        context.onError(
          createCompilerError(
            32,
            vFor.loc
          )
        );
      }
    } else {
      if (staticSlotName) {
        if (seenSlotNames.has(staticSlotName)) {
          context.onError(
            createCompilerError(
              38,
              dirLoc
            )
          );
          continue;
        }
        seenSlotNames.add(staticSlotName);
        if (staticSlotName === "default") {
          hasNamedDefaultSlot = true;
        }
      }
      slotsProperties.push(createObjectProperty(slotName, slotFunction));
    }
  }
  if (!onComponentSlot) {
    const buildDefaultSlotProperty = (props, children2) => {
      const fn = buildSlotFn(props, void 0, children2, loc);
      if (context.compatConfig) {
        fn.isNonScopedSlot = true;
      }
      return createObjectProperty(`default`, fn);
    };
    if (!hasTemplateSlots) {
      slotsProperties.push(buildDefaultSlotProperty(void 0, children));
    } else if (implicitDefaultChildren.length && // #3766
    // with whitespace: 'preserve', whitespaces between slots will end up in
    // implicitDefaultChildren. Ignore if all implicit children are whitespaces.
    implicitDefaultChildren.some((node2) => isNonWhitespaceContent(node2))) {
      if (hasNamedDefaultSlot) {
        context.onError(
          createCompilerError(
            39,
            implicitDefaultChildren[0].loc
          )
        );
      } else {
        slotsProperties.push(
          buildDefaultSlotProperty(void 0, implicitDefaultChildren)
        );
      }
    }
  }
  const slotFlag = hasDynamicSlots ? 2 : hasForwardedSlots(node.children) ? 3 : 1;
  let slots = createObjectExpression(
    slotsProperties.concat(
      createObjectProperty(
        `_`,
        // 2 = compiled but dynamic = can skip normalization, but must run diff
        // 1 = compiled and static = can skip normalization AND diff as optimized
        createSimpleExpression(
          slotFlag + (` /* ${slotFlagsText[slotFlag]} */` ),
          false
        )
      )
    ),
    loc
  );
  if (dynamicSlots.length) {
    slots = createCallExpression(context.helper(CREATE_SLOTS), [
      slots,
      createArrayExpression(dynamicSlots)
    ]);
  }
  return {
    slots,
    hasDynamicSlots
  };
}
function buildDynamicSlot(name, fn, index) {
  const props = [
    createObjectProperty(`name`, name),
    createObjectProperty(`fn`, fn)
  ];
  if (index != null) {
    props.push(
      createObjectProperty(`key`, createSimpleExpression(String(index), true))
    );
  }
  return createObjectExpression(props);
}
function hasForwardedSlots(children) {
  for (let i = 0; i < children.length; i++) {
    const child = children[i];
    switch (child.type) {
      case 1:
        if (child.tagType === 2 || hasForwardedSlots(child.children)) {
          return true;
        }
        break;
      case 9:
        if (hasForwardedSlots(child.branches)) return true;
        break;
      case 10:
      case 11:
        if (hasForwardedSlots(child.children)) return true;
        break;
    }
  }
  return false;
}
function isNonWhitespaceContent(node) {
  if (node.type !== 2 && node.type !== 12)
    return true;
  return node.type === 2 ? !!node.content.trim() : isNonWhitespaceContent(node.content);
}

const directiveImportMap = /* @__PURE__ */ new WeakMap();
const transformElement = (node, context) => {
  return function postTransformElement() {
    node = context.currentNode;
    if (!(node.type === 1 && (node.tagType === 0 || node.tagType === 1))) {
      return;
    }
    const { tag, props } = node;
    const isComponent = node.tagType === 1;
    let vnodeTag = isComponent ? resolveComponentType(node, context) : `"${tag}"`;
    const isDynamicComponent = isObject(vnodeTag) && vnodeTag.callee === RESOLVE_DYNAMIC_COMPONENT;
    let vnodeProps;
    let vnodeChildren;
    let patchFlag = 0;
    let vnodeDynamicProps;
    let dynamicPropNames;
    let vnodeDirectives;
    let shouldUseBlock = (
      // dynamic component may resolve to plain elements
      isDynamicComponent || vnodeTag === TELEPORT || vnodeTag === SUSPENSE || !isComponent && // <svg> and <foreignObject> must be forced into blocks so that block
      // updates inside get proper isSVG flag at runtime. (#639, #643)
      // This is technically web-specific, but splitting the logic out of core
      // leads to too much unnecessary complexity.
      (tag === "svg" || tag === "foreignObject" || tag === "math")
    );
    if (props.length > 0) {
      const propsBuildResult = buildProps(
        node,
        context,
        void 0,
        isComponent,
        isDynamicComponent
      );
      vnodeProps = propsBuildResult.props;
      patchFlag = propsBuildResult.patchFlag;
      dynamicPropNames = propsBuildResult.dynamicPropNames;
      const directives = propsBuildResult.directives;
      vnodeDirectives = directives && directives.length ? createArrayExpression(
        directives.map((dir) => buildDirectiveArgs(dir, context))
      ) : void 0;
      if (propsBuildResult.shouldUseBlock) {
        shouldUseBlock = true;
      }
    }
    if (node.children.length > 0) {
      if (vnodeTag === KEEP_ALIVE) {
        shouldUseBlock = true;
        patchFlag |= 1024;
        if (node.children.length > 1) {
          context.onError(
            createCompilerError(46, {
              start: node.children[0].loc.start,
              end: node.children[node.children.length - 1].loc.end,
              source: ""
            })
          );
        }
      }
      const shouldBuildAsSlots = isComponent && // Teleport is not a real component and has dedicated runtime handling
      vnodeTag !== TELEPORT && // explained above.
      vnodeTag !== KEEP_ALIVE;
      if (shouldBuildAsSlots) {
        const { slots, hasDynamicSlots } = buildSlots(node, context);
        vnodeChildren = slots;
        if (hasDynamicSlots) {
          patchFlag |= 1024;
        }
      } else if (node.children.length === 1 && vnodeTag !== TELEPORT) {
        const child = node.children[0];
        const type = child.type;
        const hasDynamicTextChild = type === 5 || type === 8;
        if (hasDynamicTextChild && getConstantType(child, context) === 0) {
          patchFlag |= 1;
        }
        if (hasDynamicTextChild || type === 2) {
          vnodeChildren = child;
        } else {
          vnodeChildren = node.children;
        }
      } else {
        vnodeChildren = node.children;
      }
    }
    if (dynamicPropNames && dynamicPropNames.length) {
      vnodeDynamicProps = stringifyDynamicPropNames(dynamicPropNames);
    }
    node.codegenNode = createVNodeCall(
      context,
      vnodeTag,
      vnodeProps,
      vnodeChildren,
      patchFlag === 0 ? void 0 : patchFlag,
      vnodeDynamicProps,
      vnodeDirectives,
      !!shouldUseBlock,
      false,
      isComponent,
      node.loc
    );
  };
};
function resolveComponentType(node, context, ssr = false) {
  let { tag } = node;
  const isExplicitDynamic = isComponentTag(tag);
  const isProp = findProp(
    node,
    "is",
    false,
    true
    /* allow empty */
  );
  if (isProp) {
    if (isExplicitDynamic || isCompatEnabled(
      "COMPILER_IS_ON_ELEMENT",
      context
    )) {
      let exp;
      if (isProp.type === 6) {
        exp = isProp.value && createSimpleExpression(isProp.value.content, true);
      } else {
        exp = isProp.exp;
        if (!exp) {
          exp = createSimpleExpression(`is`, false, isProp.arg.loc);
        }
      }
      if (exp) {
        return createCallExpression(context.helper(RESOLVE_DYNAMIC_COMPONENT), [
          exp
        ]);
      }
    } else if (isProp.type === 6 && isProp.value.content.startsWith("vue:")) {
      tag = isProp.value.content.slice(4);
    }
  }
  const builtIn = isCoreComponent(tag) || context.isBuiltInComponent(tag);
  if (builtIn) {
    if (!ssr) context.helper(builtIn);
    return builtIn;
  }
  context.helper(RESOLVE_COMPONENT);
  context.components.add(tag);
  return toValidAssetId(tag, `component`);
}
function buildProps(node, context, props = node.props, isComponent, isDynamicComponent, ssr = false) {
  const { tag, loc: elementLoc, children } = node;
  let properties = [];
  const mergeArgs = [];
  const runtimeDirectives = [];
  const hasChildren = children.length > 0;
  let shouldUseBlock = false;
  let patchFlag = 0;
  let hasRef = false;
  let hasClassBinding = false;
  let hasStyleBinding = false;
  let hasHydrationEventBinding = false;
  let hasDynamicKeys = false;
  let hasVnodeHook = false;
  const dynamicPropNames = [];
  const pushMergeArg = (arg) => {
    if (properties.length) {
      mergeArgs.push(
        createObjectExpression(dedupeProperties(properties), elementLoc)
      );
      properties = [];
    }
    if (arg) mergeArgs.push(arg);
  };
  const pushRefVForMarker = () => {
    if (context.scopes.vFor > 0) {
      properties.push(
        createObjectProperty(
          createSimpleExpression("ref_for", true),
          createSimpleExpression("true")
        )
      );
    }
  };
  const analyzePatchFlag = ({ key, value }) => {
    if (isStaticExp(key)) {
      const name = key.content;
      const isEventHandler = isOn(name);
      if (isEventHandler && (!isComponent || isDynamicComponent) && // omit the flag for click handlers because hydration gives click
      // dedicated fast path.
      name.toLowerCase() !== "onclick" && // omit v-model handlers
      name !== "onUpdate:modelValue" && // omit onVnodeXXX hooks
      !isReservedProp(name)) {
        hasHydrationEventBinding = true;
      }
      if (isEventHandler && isReservedProp(name)) {
        hasVnodeHook = true;
      }
      if (isEventHandler && value.type === 14) {
        value = value.arguments[0];
      }
      if (value.type === 20 || (value.type === 4 || value.type === 8) && getConstantType(value, context) > 0) {
        return;
      }
      if (name === "ref") {
        hasRef = true;
      } else if (name === "class") {
        hasClassBinding = true;
      } else if (name === "style") {
        hasStyleBinding = true;
      } else if (name !== "key" && !dynamicPropNames.includes(name)) {
        dynamicPropNames.push(name);
      }
      if (isComponent && (name === "class" || name === "style") && !dynamicPropNames.includes(name)) {
        dynamicPropNames.push(name);
      }
    } else {
      hasDynamicKeys = true;
    }
  };
  for (let i = 0; i < props.length; i++) {
    const prop = props[i];
    if (prop.type === 6) {
      const { loc, name, nameLoc, value } = prop;
      let isStatic = true;
      if (name === "ref") {
        hasRef = true;
        pushRefVForMarker();
      }
      if (name === "is" && (isComponentTag(tag) || value && value.content.startsWith("vue:") || isCompatEnabled(
        "COMPILER_IS_ON_ELEMENT",
        context
      ))) {
        continue;
      }
      properties.push(
        createObjectProperty(
          createSimpleExpression(name, true, nameLoc),
          createSimpleExpression(
            value ? value.content : "",
            isStatic,
            value ? value.loc : loc
          )
        )
      );
    } else {
      const { name, arg, exp, loc, modifiers } = prop;
      const isVBind = name === "bind";
      const isVOn = name === "on";
      if (name === "slot") {
        if (!isComponent) {
          context.onError(
            createCompilerError(40, loc)
          );
        }
        continue;
      }
      if (name === "once" || name === "memo") {
        continue;
      }
      if (name === "is" || isVBind && isStaticArgOf(arg, "is") && (isComponentTag(tag) || isCompatEnabled(
        "COMPILER_IS_ON_ELEMENT",
        context
      ))) {
        continue;
      }
      if (isVOn && ssr) {
        continue;
      }
      if (
        // #938: elements with dynamic keys should be forced into blocks
        isVBind && isStaticArgOf(arg, "key") || // inline before-update hooks need to force block so that it is invoked
        // before children
        isVOn && hasChildren && isStaticArgOf(arg, "vue:before-update")
      ) {
        shouldUseBlock = true;
      }
      if (isVBind && isStaticArgOf(arg, "ref")) {
        pushRefVForMarker();
      }
      if (!arg && (isVBind || isVOn)) {
        hasDynamicKeys = true;
        if (exp) {
          if (isVBind) {
            {
              pushMergeArg();
              {
                const hasOverridableKeys = mergeArgs.some((arg2) => {
                  if (arg2.type === 15) {
                    return arg2.properties.some(({ key }) => {
                      if (key.type !== 4 || !key.isStatic) {
                        return true;
                      }
                      return key.content !== "class" && key.content !== "style" && !isOn(key.content);
                    });
                  } else {
                    return true;
                  }
                });
                if (hasOverridableKeys) {
                  checkCompatEnabled(
                    "COMPILER_V_BIND_OBJECT_ORDER",
                    context,
                    loc
                  );
                }
              }
              if (isCompatEnabled(
                "COMPILER_V_BIND_OBJECT_ORDER",
                context
              )) {
                mergeArgs.unshift(exp);
                continue;
              }
            }
            pushRefVForMarker();
            pushMergeArg();
            mergeArgs.push(exp);
          } else {
            pushMergeArg({
              type: 14,
              loc,
              callee: context.helper(TO_HANDLERS),
              arguments: isComponent ? [exp] : [exp, `true`]
            });
          }
        } else {
          context.onError(
            createCompilerError(
              isVBind ? 34 : 35,
              loc
            )
          );
        }
        continue;
      }
      if (isVBind && modifiers.some((mod) => mod.content === "prop")) {
        patchFlag |= 32;
      }
      const directiveTransform = context.directiveTransforms[name];
      if (directiveTransform) {
        const { props: props2, needRuntime } = directiveTransform(prop, node, context);
        !ssr && props2.forEach(analyzePatchFlag);
        if (isVOn && arg && !isStaticExp(arg)) {
          pushMergeArg(createObjectExpression(props2, elementLoc));
        } else {
          properties.push(...props2);
        }
        if (needRuntime) {
          runtimeDirectives.push(prop);
          if (isSymbol(needRuntime)) {
            directiveImportMap.set(prop, needRuntime);
          }
        }
      } else if (!isBuiltInDirective(name)) {
        runtimeDirectives.push(prop);
        if (hasChildren) {
          shouldUseBlock = true;
        }
      }
    }
  }
  let propsExpression = void 0;
  if (mergeArgs.length) {
    pushMergeArg();
    if (mergeArgs.length > 1) {
      propsExpression = createCallExpression(
        context.helper(MERGE_PROPS),
        mergeArgs,
        elementLoc
      );
    } else {
      propsExpression = mergeArgs[0];
    }
  } else if (properties.length) {
    propsExpression = createObjectExpression(
      dedupeProperties(properties),
      elementLoc
    );
  }
  if (hasDynamicKeys) {
    patchFlag |= 16;
  } else {
    if (hasClassBinding && !isComponent) {
      patchFlag |= 2;
    }
    if (hasStyleBinding && !isComponent) {
      patchFlag |= 4;
    }
    if (dynamicPropNames.length) {
      patchFlag |= 8;
    }
    if (hasHydrationEventBinding) {
      patchFlag |= 32;
    }
  }
  if (!shouldUseBlock && (patchFlag === 0 || patchFlag === 32) && (hasRef || hasVnodeHook || runtimeDirectives.length > 0)) {
    patchFlag |= 512;
  }
  if (!context.inSSR && propsExpression) {
    switch (propsExpression.type) {
      case 15:
        let classKeyIndex = -1;
        let styleKeyIndex = -1;
        let hasDynamicKey = false;
        for (let i = 0; i < propsExpression.properties.length; i++) {
          const key = propsExpression.properties[i].key;
          if (isStaticExp(key)) {
            if (key.content === "class") {
              classKeyIndex = i;
            } else if (key.content === "style") {
              styleKeyIndex = i;
            }
          } else if (!key.isHandlerKey) {
            hasDynamicKey = true;
          }
        }
        const classProp = propsExpression.properties[classKeyIndex];
        const styleProp = propsExpression.properties[styleKeyIndex];
        if (!hasDynamicKey) {
          if (classProp && !isStaticExp(classProp.value)) {
            classProp.value = createCallExpression(
              context.helper(NORMALIZE_CLASS),
              [classProp.value]
            );
          }
          if (styleProp && // the static style is compiled into an object,
          // so use `hasStyleBinding` to ensure that it is a dynamic style binding
          (hasStyleBinding || styleProp.value.type === 4 && styleProp.value.content.trim()[0] === `[` || // v-bind:style and style both exist,
          // v-bind:style with static literal object
          styleProp.value.type === 17)) {
            styleProp.value = createCallExpression(
              context.helper(NORMALIZE_STYLE),
              [styleProp.value]
            );
          }
        } else {
          propsExpression = createCallExpression(
            context.helper(NORMALIZE_PROPS),
            [propsExpression]
          );
        }
        break;
      case 14:
        break;
      default:
        propsExpression = createCallExpression(
          context.helper(NORMALIZE_PROPS),
          [
            createCallExpression(context.helper(GUARD_REACTIVE_PROPS), [
              propsExpression
            ])
          ]
        );
        break;
    }
  }
  return {
    props: propsExpression,
    directives: runtimeDirectives,
    patchFlag,
    dynamicPropNames,
    shouldUseBlock
  };
}
function dedupeProperties(properties) {
  const knownProps = /* @__PURE__ */ new Map();
  const deduped = [];
  for (let i = 0; i < properties.length; i++) {
    const prop = properties[i];
    if (prop.key.type === 8 || !prop.key.isStatic) {
      deduped.push(prop);
      continue;
    }
    const name = prop.key.content;
    const existing = knownProps.get(name);
    if (existing) {
      if (name === "style" || name === "class" || isOn(name)) {
        mergeAsArray(existing, prop);
      }
    } else {
      knownProps.set(name, prop);
      deduped.push(prop);
    }
  }
  return deduped;
}
function mergeAsArray(existing, incoming) {
  if (existing.value.type === 17) {
    existing.value.elements.push(incoming.value);
  } else {
    existing.value = createArrayExpression(
      [existing.value, incoming.value],
      existing.loc
    );
  }
}
function buildDirectiveArgs(dir, context) {
  const dirArgs = [];
  const runtime = directiveImportMap.get(dir);
  if (runtime) {
    dirArgs.push(context.helperString(runtime));
  } else {
    {
      context.helper(RESOLVE_DIRECTIVE);
      context.directives.add(dir.name);
      dirArgs.push(toValidAssetId(dir.name, `directive`));
    }
  }
  const { loc } = dir;
  if (dir.exp) dirArgs.push(dir.exp);
  if (dir.arg) {
    if (!dir.exp) {
      dirArgs.push(`void 0`);
    }
    dirArgs.push(dir.arg);
  }
  if (Object.keys(dir.modifiers).length) {
    if (!dir.arg) {
      if (!dir.exp) {
        dirArgs.push(`void 0`);
      }
      dirArgs.push(`void 0`);
    }
    const trueExpression = createSimpleExpression(`true`, false, loc);
    dirArgs.push(
      createObjectExpression(
        dir.modifiers.map(
          (modifier) => createObjectProperty(modifier, trueExpression)
        ),
        loc
      )
    );
  }
  return createArrayExpression(dirArgs, dir.loc);
}
function stringifyDynamicPropNames(props) {
  let propsNamesString = `[`;
  for (let i = 0, l = props.length; i < l; i++) {
    propsNamesString += JSON.stringify(props[i]);
    if (i < l - 1) propsNamesString += ", ";
  }
  return propsNamesString + `]`;
}
function isComponentTag(tag) {
  return tag === "component" || tag === "Component";
}

const transformSlotOutlet = (node, context) => {
  if (isSlotOutlet(node)) {
    const { children, loc } = node;
    const { slotName, slotProps } = processSlotOutlet(node, context);
    const slotArgs = [
      context.prefixIdentifiers ? `_ctx.$slots` : `$slots`,
      slotName,
      "{}",
      "undefined",
      "true"
    ];
    let expectedLen = 2;
    if (slotProps) {
      slotArgs[2] = slotProps;
      expectedLen = 3;
    }
    if (children.length) {
      slotArgs[3] = createFunctionExpression([], children, false, false, loc);
      expectedLen = 4;
    }
    if (context.scopeId && !context.slotted) {
      expectedLen = 5;
    }
    slotArgs.splice(expectedLen);
    node.codegenNode = createCallExpression(
      context.helper(RENDER_SLOT),
      slotArgs,
      loc
    );
  }
};
function processSlotOutlet(node, context) {
  let slotName = `"default"`;
  let slotProps = void 0;
  const nonNameProps = [];
  for (let i = 0; i < node.props.length; i++) {
    const p = node.props[i];
    if (p.type === 6) {
      if (p.value) {
        if (p.name === "name") {
          slotName = JSON.stringify(p.value.content);
        } else {
          p.name = camelize(p.name);
          nonNameProps.push(p);
        }
      }
    } else {
      if (p.name === "bind" && isStaticArgOf(p.arg, "name")) {
        if (p.exp) {
          slotName = p.exp;
        } else if (p.arg && p.arg.type === 4) {
          const name = camelize(p.arg.content);
          slotName = p.exp = createSimpleExpression(name, false, p.arg.loc);
        }
      } else {
        if (p.name === "bind" && p.arg && isStaticExp(p.arg)) {
          p.arg.content = camelize(p.arg.content);
        }
        nonNameProps.push(p);
      }
    }
  }
  if (nonNameProps.length > 0) {
    const { props, directives } = buildProps(
      node,
      context,
      nonNameProps,
      false,
      false
    );
    slotProps = props;
    if (directives.length) {
      context.onError(
        createCompilerError(
          36,
          directives[0].loc
        )
      );
    }
  }
  return {
    slotName,
    slotProps
  };
}

const transformOn$1 = (dir, node, context, augmentor) => {
  const { loc, modifiers, arg } = dir;
  if (!dir.exp && !modifiers.length) {
    context.onError(createCompilerError(35, loc));
  }
  let eventName;
  if (arg.type === 4) {
    if (arg.isStatic) {
      let rawName = arg.content;
      if (rawName.startsWith("vnode")) {
        context.onError(createCompilerError(51, arg.loc));
      }
      if (rawName.startsWith("vue:")) {
        rawName = `vnode-${rawName.slice(4)}`;
      }
      const eventString = node.tagType !== 0 || rawName.startsWith("vnode") || !/[A-Z]/.test(rawName) ? (
        // for non-element and vnode lifecycle event listeners, auto convert
        // it to camelCase. See issue #2249
        toHandlerKey(camelize(rawName))
      ) : (
        // preserve case for plain element listeners that have uppercase
        // letters, as these may be custom elements' custom events
        `on:${rawName}`
      );
      eventName = createSimpleExpression(eventString, true, arg.loc);
    } else {
      eventName = createCompoundExpression([
        `${context.helperString(TO_HANDLER_KEY)}(`,
        arg,
        `)`
      ]);
    }
  } else {
    eventName = arg;
    eventName.children.unshift(`${context.helperString(TO_HANDLER_KEY)}(`);
    eventName.children.push(`)`);
  }
  let exp = dir.exp;
  if (exp && !exp.content.trim()) {
    exp = void 0;
  }
  let shouldCache = context.cacheHandlers && !exp && !context.inVOnce;
  if (exp) {
    const isMemberExp = isMemberExpression(exp);
    const isInlineStatement = !(isMemberExp || isFnExpression(exp));
    const hasMultipleStatements = exp.content.includes(`;`);
    {
      validateBrowserExpression(
        exp,
        context,
        false,
        hasMultipleStatements
      );
    }
    if (isInlineStatement || shouldCache && isMemberExp) {
      exp = createCompoundExpression([
        `${isInlineStatement ? `$event` : `${``}(...args)`} => ${hasMultipleStatements ? `{` : `(`}`,
        exp,
        hasMultipleStatements ? `}` : `)`
      ]);
    }
  }
  let ret = {
    props: [
      createObjectProperty(
        eventName,
        exp || createSimpleExpression(`() => {}`, false, loc)
      )
    ]
  };
  if (augmentor) {
    ret = augmentor(ret);
  }
  if (shouldCache) {
    ret.props[0].value = context.cache(ret.props[0].value);
  }
  ret.props.forEach((p) => p.key.isHandlerKey = true);
  return ret;
};

const transformText = (node, context) => {
  if (node.type === 0 || node.type === 1 || node.type === 11 || node.type === 10) {
    return () => {
      const children = node.children;
      let currentContainer = void 0;
      let hasText = false;
      for (let i = 0; i < children.length; i++) {
        const child = children[i];
        if (isText$1(child)) {
          hasText = true;
          for (let j = i + 1; j < children.length; j++) {
            const next = children[j];
            if (isText$1(next)) {
              if (!currentContainer) {
                currentContainer = children[i] = createCompoundExpression(
                  [child],
                  child.loc
                );
              }
              currentContainer.children.push(` + `, next);
              children.splice(j, 1);
              j--;
            } else {
              currentContainer = void 0;
              break;
            }
          }
        }
      }
      if (!hasText || // if this is a plain element with a single text child, leave it
      // as-is since the runtime has dedicated fast path for this by directly
      // setting textContent of the element.
      // for component root it's always normalized anyway.
      children.length === 1 && (node.type === 0 || node.type === 1 && node.tagType === 0 && // #3756
      // custom directives can potentially add DOM elements arbitrarily,
      // we need to avoid setting textContent of the element at runtime
      // to avoid accidentally overwriting the DOM elements added
      // by the user through custom directives.
      !node.props.find(
        (p) => p.type === 7 && !context.directiveTransforms[p.name]
      ) && // in compat mode, <template> tags with no special directives
      // will be rendered as a fragment so its children must be
      // converted into vnodes.
      !(node.tag === "template"))) {
        return;
      }
      for (let i = 0; i < children.length; i++) {
        const child = children[i];
        if (isText$1(child) || child.type === 8) {
          const callArgs = [];
          if (child.type !== 2 || child.content !== " ") {
            callArgs.push(child);
          }
          if (!context.ssr && getConstantType(child, context) === 0) {
            callArgs.push(
              1 + (` /* ${PatchFlagNames[1]} */` )
            );
          }
          children[i] = {
            type: 12,
            content: child,
            loc: child.loc,
            codegenNode: createCallExpression(
              context.helper(CREATE_TEXT),
              callArgs
            )
          };
        }
      }
    };
  }
};

const seen$1 = /* @__PURE__ */ new WeakSet();
const transformOnce = (node, context) => {
  if (node.type === 1 && findDir(node, "once", true)) {
    if (seen$1.has(node) || context.inVOnce || context.inSSR) {
      return;
    }
    seen$1.add(node);
    context.inVOnce = true;
    context.helper(SET_BLOCK_TRACKING);
    return () => {
      context.inVOnce = false;
      const cur = context.currentNode;
      if (cur.codegenNode) {
        cur.codegenNode = context.cache(
          cur.codegenNode,
          true,
          true
        );
      }
    };
  }
};

const transformModel$1 = (dir, node, context) => {
  const { exp, arg } = dir;
  if (!exp) {
    context.onError(
      createCompilerError(41, dir.loc)
    );
    return createTransformProps();
  }
  const rawExp = exp.loc.source.trim();
  const expString = exp.type === 4 ? exp.content : rawExp;
  const bindingType = context.bindingMetadata[rawExp];
  if (bindingType === "props" || bindingType === "props-aliased") {
    context.onError(createCompilerError(44, exp.loc));
    return createTransformProps();
  }
  if (!expString.trim() || !isMemberExpression(exp) && true) {
    context.onError(
      createCompilerError(42, exp.loc)
    );
    return createTransformProps();
  }
  const propName = arg ? arg : createSimpleExpression("modelValue", true);
  const eventName = arg ? isStaticExp(arg) ? `onUpdate:${camelize(arg.content)}` : createCompoundExpression(['"onUpdate:" + ', arg]) : `onUpdate:modelValue`;
  let assignmentExp;
  const eventArg = context.isTS ? `($event: any)` : `$event`;
  {
    assignmentExp = createCompoundExpression([
      `${eventArg} => ((`,
      exp,
      `) = $event)`
    ]);
  }
  const props = [
    // modelValue: foo
    createObjectProperty(propName, dir.exp),
    // "onUpdate:modelValue": $event => (foo = $event)
    createObjectProperty(eventName, assignmentExp)
  ];
  if (dir.modifiers.length && node.tagType === 1) {
    const modifiers = dir.modifiers.map((m) => m.content).map((m) => (isSimpleIdentifier(m) ? m : JSON.stringify(m)) + `: true`).join(`, `);
    const modifiersKey = arg ? isStaticExp(arg) ? `${arg.content}Modifiers` : createCompoundExpression([arg, ' + "Modifiers"']) : `modelModifiers`;
    props.push(
      createObjectProperty(
        modifiersKey,
        createSimpleExpression(
          `{ ${modifiers} }`,
          false,
          dir.loc,
          2
        )
      )
    );
  }
  return createTransformProps(props);
};
function createTransformProps(props = []) {
  return { props };
}

const validDivisionCharRE = /[\w).+\-_$\]]/;
const transformFilter = (node, context) => {
  if (!isCompatEnabled("COMPILER_FILTERS", context)) {
    return;
  }
  if (node.type === 5) {
    rewriteFilter(node.content, context);
  } else if (node.type === 1) {
    node.props.forEach((prop) => {
      if (prop.type === 7 && prop.name !== "for" && prop.exp) {
        rewriteFilter(prop.exp, context);
      }
    });
  }
};
function rewriteFilter(node, context) {
  if (node.type === 4) {
    parseFilter(node, context);
  } else {
    for (let i = 0; i < node.children.length; i++) {
      const child = node.children[i];
      if (typeof child !== "object") continue;
      if (child.type === 4) {
        parseFilter(child, context);
      } else if (child.type === 8) {
        rewriteFilter(node, context);
      } else if (child.type === 5) {
        rewriteFilter(child.content, context);
      }
    }
  }
}
function parseFilter(node, context) {
  const exp = node.content;
  let inSingle = false;
  let inDouble = false;
  let inTemplateString = false;
  let inRegex = false;
  let curly = 0;
  let square = 0;
  let paren = 0;
  let lastFilterIndex = 0;
  let c, prev, i, expression, filters = [];
  for (i = 0; i < exp.length; i++) {
    prev = c;
    c = exp.charCodeAt(i);
    if (inSingle) {
      if (c === 39 && prev !== 92) inSingle = false;
    } else if (inDouble) {
      if (c === 34 && prev !== 92) inDouble = false;
    } else if (inTemplateString) {
      if (c === 96 && prev !== 92) inTemplateString = false;
    } else if (inRegex) {
      if (c === 47 && prev !== 92) inRegex = false;
    } else if (c === 124 && // pipe
    exp.charCodeAt(i + 1) !== 124 && exp.charCodeAt(i - 1) !== 124 && !curly && !square && !paren) {
      if (expression === void 0) {
        lastFilterIndex = i + 1;
        expression = exp.slice(0, i).trim();
      } else {
        pushFilter();
      }
    } else {
      switch (c) {
        case 34:
          inDouble = true;
          break;
        // "
        case 39:
          inSingle = true;
          break;
        // '
        case 96:
          inTemplateString = true;
          break;
        // `
        case 40:
          paren++;
          break;
        // (
        case 41:
          paren--;
          break;
        // )
        case 91:
          square++;
          break;
        // [
        case 93:
          square--;
          break;
        // ]
        case 123:
          curly++;
          break;
        // {
        case 125:
          curly--;
          break;
      }
      if (c === 47) {
        let j = i - 1;
        let p;
        for (; j >= 0; j--) {
          p = exp.charAt(j);
          if (p !== " ") break;
        }
        if (!p || !validDivisionCharRE.test(p)) {
          inRegex = true;
        }
      }
    }
  }
  if (expression === void 0) {
    expression = exp.slice(0, i).trim();
  } else if (lastFilterIndex !== 0) {
    pushFilter();
  }
  function pushFilter() {
    filters.push(exp.slice(lastFilterIndex, i).trim());
    lastFilterIndex = i + 1;
  }
  if (filters.length) {
    warnDeprecation(
      "COMPILER_FILTERS",
      context,
      node.loc
    );
    for (i = 0; i < filters.length; i++) {
      expression = wrapFilter(expression, filters[i], context);
    }
    node.content = expression;
    node.ast = void 0;
  }
}
function wrapFilter(exp, filter, context) {
  context.helper(RESOLVE_FILTER);
  const i = filter.indexOf("(");
  if (i < 0) {
    context.filters.add(filter);
    return `${toValidAssetId(filter, "filter")}(${exp})`;
  } else {
    const name = filter.slice(0, i);
    const args = filter.slice(i + 1);
    context.filters.add(name);
    return `${toValidAssetId(name, "filter")}(${exp}${args !== ")" ? "," + args : args}`;
  }
}

const seen = /* @__PURE__ */ new WeakSet();
const transformMemo = (node, context) => {
  if (node.type === 1) {
    const dir = findDir(node, "memo");
    if (!dir || seen.has(node) || context.inSSR) {
      return;
    }
    seen.add(node);
    return () => {
      const codegenNode = node.codegenNode || context.currentNode.codegenNode;
      if (codegenNode && codegenNode.type === 13) {
        if (node.tagType !== 1) {
          convertToBlock(codegenNode, context);
        }
        node.codegenNode = createCallExpression(context.helper(WITH_MEMO), [
          dir.exp,
          createFunctionExpression(void 0, codegenNode),
          `_cache`,
          String(context.cached.length)
        ]);
        context.cached.push(null);
      }
    };
  }
};

function getBaseTransformPreset(prefixIdentifiers) {
  return [
    [
      transformOnce,
      transformIf,
      transformMemo,
      transformFor,
      ...[transformFilter] ,
      ...[transformExpression] ,
      transformSlotOutlet,
      transformElement,
      trackSlotScopes,
      transformText
    ],
    {
      on: transformOn$1,
      bind: transformBind,
      model: transformModel$1
    }
  ];
}
function baseCompile(source, options = {}) {
  const onError = options.onError || defaultOnError;
  const isModuleMode = options.mode === "module";
  {
    if (options.prefixIdentifiers === true) {
      onError(createCompilerError(47));
    } else if (isModuleMode) {
      onError(createCompilerError(48));
    }
  }
  const prefixIdentifiers = false;
  if (options.cacheHandlers) {
    onError(createCompilerError(49));
  }
  if (options.scopeId && !isModuleMode) {
    onError(createCompilerError(50));
  }
  const resolvedOptions = extend({}, options, {
    prefixIdentifiers
  });
  const ast = isString(source) ? baseParse(source, resolvedOptions) : source;
  const [nodeTransforms, directiveTransforms] = getBaseTransformPreset();
  transform(
    ast,
    extend({}, resolvedOptions, {
      nodeTransforms: [
        ...nodeTransforms,
        ...options.nodeTransforms || []
        // user transforms
      ],
      directiveTransforms: extend(
        {},
        directiveTransforms,
        options.directiveTransforms || {}
        // user transforms
      )
    })
  );
  return generate(ast, resolvedOptions);
}

const BindingTypes = {
  "DATA": "data",
  "PROPS": "props",
  "PROPS_ALIASED": "props-aliased",
  "SETUP_LET": "setup-let",
  "SETUP_CONST": "setup-const",
  "SETUP_REACTIVE_CONST": "setup-reactive-const",
  "SETUP_MAYBE_REF": "setup-maybe-ref",
  "SETUP_REF": "setup-ref",
  "OPTIONS": "options",
  "LITERAL_CONST": "literal-const"
};

const noopDirectiveTransform = () => ({ props: [] });

const V_MODEL_RADIO = Symbol(`vModelRadio` );
const V_MODEL_CHECKBOX = Symbol(
  `vModelCheckbox` 
);
const V_MODEL_TEXT = Symbol(`vModelText` );
const V_MODEL_SELECT = Symbol(
  `vModelSelect` 
);
const V_MODEL_DYNAMIC = Symbol(
  `vModelDynamic` 
);
const V_ON_WITH_MODIFIERS = Symbol(
  `vOnModifiersGuard` 
);
const V_ON_WITH_KEYS = Symbol(
  `vOnKeysGuard` 
);
const V_SHOW = Symbol(`vShow` );
const TRANSITION = Symbol(`Transition` );
const TRANSITION_GROUP = Symbol(
  `TransitionGroup` 
);
registerRuntimeHelpers({
  [V_MODEL_RADIO]: `vModelRadio`,
  [V_MODEL_CHECKBOX]: `vModelCheckbox`,
  [V_MODEL_TEXT]: `vModelText`,
  [V_MODEL_SELECT]: `vModelSelect`,
  [V_MODEL_DYNAMIC]: `vModelDynamic`,
  [V_ON_WITH_MODIFIERS]: `withModifiers`,
  [V_ON_WITH_KEYS]: `withKeys`,
  [V_SHOW]: `vShow`,
  [TRANSITION]: `Transition`,
  [TRANSITION_GROUP]: `TransitionGroup`
});

let decoder;
function decodeHtmlBrowser(raw, asAttr = false) {
  if (!decoder) {
    decoder = document.createElement("div");
  }
  if (asAttr) {
    decoder.innerHTML = `<div foo="${raw.replace(/"/g, "&quot;")}">`;
    return decoder.children[0].getAttribute("foo");
  } else {
    decoder.innerHTML = raw;
    return decoder.textContent;
  }
}

const parserOptions = {
  parseMode: "html",
  isVoidTag,
  isNativeTag: (tag) => isHTMLTag(tag) || isSVGTag(tag) || isMathMLTag(tag),
  isPreTag: (tag) => tag === "pre",
  isIgnoreNewlineTag: (tag) => tag === "pre" || tag === "textarea",
  decodeEntities: decodeHtmlBrowser ,
  isBuiltInComponent: (tag) => {
    if (tag === "Transition" || tag === "transition") {
      return TRANSITION;
    } else if (tag === "TransitionGroup" || tag === "transition-group") {
      return TRANSITION_GROUP;
    }
  },
  // https://html.spec.whatwg.org/multipage/parsing.html#tree-construction-dispatcher
  getNamespace(tag, parent, rootNamespace) {
    let ns = parent ? parent.ns : rootNamespace;
    if (parent && ns === 2) {
      if (parent.tag === "annotation-xml") {
        if (tag === "svg") {
          return 1;
        }
        if (parent.props.some(
          (a) => a.type === 6 && a.name === "encoding" && a.value != null && (a.value.content === "text/html" || a.value.content === "application/xhtml+xml")
        )) {
          ns = 0;
        }
      } else if (/^m(?:[ions]|text)$/.test(parent.tag) && tag !== "mglyph" && tag !== "malignmark") {
        ns = 0;
      }
    } else if (parent && ns === 1) {
      if (parent.tag === "foreignObject" || parent.tag === "desc" || parent.tag === "title") {
        ns = 0;
      }
    }
    if (ns === 0) {
      if (tag === "svg") {
        return 1;
      }
      if (tag === "math") {
        return 2;
      }
    }
    return ns;
  }
};

const transformStyle = (node) => {
  if (node.type === 1) {
    node.props.forEach((p, i) => {
      if (p.type === 6 && p.name === "style" && p.value) {
        node.props[i] = {
          type: 7,
          name: `bind`,
          arg: createSimpleExpression(`style`, true, p.loc),
          exp: parseInlineCSS(p.value.content, p.loc),
          modifiers: [],
          loc: p.loc
        };
      }
    });
  }
};
const parseInlineCSS = (cssText, loc) => {
  const normalized = parseStringStyle(cssText);
  return createSimpleExpression(
    JSON.stringify(normalized),
    false,
    loc,
    3
  );
};

function createDOMCompilerError(code, loc) {
  return createCompilerError(
    code,
    loc,
    DOMErrorMessages 
  );
}
const DOMErrorCodes = {
  "X_V_HTML_NO_EXPRESSION": 53,
  "53": "X_V_HTML_NO_EXPRESSION",
  "X_V_HTML_WITH_CHILDREN": 54,
  "54": "X_V_HTML_WITH_CHILDREN",
  "X_V_TEXT_NO_EXPRESSION": 55,
  "55": "X_V_TEXT_NO_EXPRESSION",
  "X_V_TEXT_WITH_CHILDREN": 56,
  "56": "X_V_TEXT_WITH_CHILDREN",
  "X_V_MODEL_ON_INVALID_ELEMENT": 57,
  "57": "X_V_MODEL_ON_INVALID_ELEMENT",
  "X_V_MODEL_ARG_ON_ELEMENT": 58,
  "58": "X_V_MODEL_ARG_ON_ELEMENT",
  "X_V_MODEL_ON_FILE_INPUT_ELEMENT": 59,
  "59": "X_V_MODEL_ON_FILE_INPUT_ELEMENT",
  "X_V_MODEL_UNNECESSARY_VALUE": 60,
  "60": "X_V_MODEL_UNNECESSARY_VALUE",
  "X_V_SHOW_NO_EXPRESSION": 61,
  "61": "X_V_SHOW_NO_EXPRESSION",
  "X_TRANSITION_INVALID_CHILDREN": 62,
  "62": "X_TRANSITION_INVALID_CHILDREN",
  "X_IGNORED_SIDE_EFFECT_TAG": 63,
  "63": "X_IGNORED_SIDE_EFFECT_TAG",
  "__EXTEND_POINT__": 64,
  "64": "__EXTEND_POINT__"
};
const DOMErrorMessages = {
  [53]: `v-html is missing expression.`,
  [54]: `v-html will override element children.`,
  [55]: `v-text is missing expression.`,
  [56]: `v-text will override element children.`,
  [57]: `v-model can only be used on <input>, <textarea> and <select> elements.`,
  [58]: `v-model argument is not supported on plain elements.`,
  [59]: `v-model cannot be used on file inputs since they are read-only. Use a v-on:change listener instead.`,
  [60]: `Unnecessary value binding used alongside v-model. It will interfere with v-model's behavior.`,
  [61]: `v-show is missing expression.`,
  [62]: `<Transition> expects exactly one child element or component.`,
  [63]: `Tags with side effect (<script> and <style>) are ignored in client component templates.`
};

const transformVHtml = (dir, node, context) => {
  const { exp, loc } = dir;
  if (!exp) {
    context.onError(
      createDOMCompilerError(53, loc)
    );
  }
  if (node.children.length) {
    context.onError(
      createDOMCompilerError(54, loc)
    );
    node.children.length = 0;
  }
  return {
    props: [
      createObjectProperty(
        createSimpleExpression(`innerHTML`, true, loc),
        exp || createSimpleExpression("", true)
      )
    ]
  };
};

const transformVText = (dir, node, context) => {
  const { exp, loc } = dir;
  if (!exp) {
    context.onError(
      createDOMCompilerError(55, loc)
    );
  }
  if (node.children.length) {
    context.onError(
      createDOMCompilerError(56, loc)
    );
    node.children.length = 0;
  }
  return {
    props: [
      createObjectProperty(
        createSimpleExpression(`textContent`, true),
        exp ? getConstantType(exp, context) > 0 ? exp : createCallExpression(
          context.helperString(TO_DISPLAY_STRING),
          [exp],
          loc
        ) : createSimpleExpression("", true)
      )
    ]
  };
};

const transformModel = (dir, node, context) => {
  const baseResult = transformModel$1(dir, node, context);
  if (!baseResult.props.length || node.tagType === 1) {
    return baseResult;
  }
  if (dir.arg) {
    context.onError(
      createDOMCompilerError(
        58,
        dir.arg.loc
      )
    );
  }
  function checkDuplicatedValue() {
    const value = findDir(node, "bind");
    if (value && isStaticArgOf(value.arg, "value")) {
      context.onError(
        createDOMCompilerError(
          60,
          value.loc
        )
      );
    }
  }
  const { tag } = node;
  const isCustomElement = context.isCustomElement(tag);
  if (tag === "input" || tag === "textarea" || tag === "select" || isCustomElement) {
    let directiveToUse = V_MODEL_TEXT;
    let isInvalidType = false;
    if (tag === "input" || isCustomElement) {
      const type = findProp(node, `type`);
      if (type) {
        if (type.type === 7) {
          directiveToUse = V_MODEL_DYNAMIC;
        } else if (type.value) {
          switch (type.value.content) {
            case "radio":
              directiveToUse = V_MODEL_RADIO;
              break;
            case "checkbox":
              directiveToUse = V_MODEL_CHECKBOX;
              break;
            case "file":
              isInvalidType = true;
              context.onError(
                createDOMCompilerError(
                  59,
                  dir.loc
                )
              );
              break;
            default:
              checkDuplicatedValue();
              break;
          }
        }
      } else if (hasDynamicKeyVBind(node)) {
        directiveToUse = V_MODEL_DYNAMIC;
      } else {
        checkDuplicatedValue();
      }
    } else if (tag === "select") {
      directiveToUse = V_MODEL_SELECT;
    } else {
      checkDuplicatedValue();
    }
    if (!isInvalidType) {
      baseResult.needRuntime = context.helper(directiveToUse);
    }
  } else {
    context.onError(
      createDOMCompilerError(
        57,
        dir.loc
      )
    );
  }
  baseResult.props = baseResult.props.filter(
    (p) => !(p.key.type === 4 && p.key.content === "modelValue")
  );
  return baseResult;
};

const isEventOptionModifier = /* @__PURE__ */ makeMap(`passive,once,capture`);
const isNonKeyModifier = /* @__PURE__ */ makeMap(
  // event propagation management
  `stop,prevent,self,ctrl,shift,alt,meta,exact,middle`
);
const maybeKeyModifier = /* @__PURE__ */ makeMap("left,right");
const isKeyboardEvent = /* @__PURE__ */ makeMap(`onkeyup,onkeydown,onkeypress`);
const resolveModifiers = (key, modifiers, context, loc) => {
  const keyModifiers = [];
  const nonKeyModifiers = [];
  const eventOptionModifiers = [];
  for (let i = 0; i < modifiers.length; i++) {
    const modifier = modifiers[i].content;
    if (modifier === "native" && checkCompatEnabled(
      "COMPILER_V_ON_NATIVE",
      context,
      loc
    )) {
      eventOptionModifiers.push(modifier);
    } else if (isEventOptionModifier(modifier)) {
      eventOptionModifiers.push(modifier);
    } else {
      if (maybeKeyModifier(modifier)) {
        if (isStaticExp(key)) {
          if (isKeyboardEvent(key.content.toLowerCase())) {
            keyModifiers.push(modifier);
          } else {
            nonKeyModifiers.push(modifier);
          }
        } else {
          keyModifiers.push(modifier);
          nonKeyModifiers.push(modifier);
        }
      } else {
        if (isNonKeyModifier(modifier)) {
          nonKeyModifiers.push(modifier);
        } else {
          keyModifiers.push(modifier);
        }
      }
    }
  }
  return {
    keyModifiers,
    nonKeyModifiers,
    eventOptionModifiers
  };
};
const transformClick = (key, event) => {
  const isStaticClick = isStaticExp(key) && key.content.toLowerCase() === "onclick";
  return isStaticClick ? createSimpleExpression(event, true) : key.type !== 4 ? createCompoundExpression([
    `(`,
    key,
    `) === "onClick" ? "${event}" : (`,
    key,
    `)`
  ]) : key;
};
const transformOn = (dir, node, context) => {
  return transformOn$1(dir, node, context, (baseResult) => {
    const { modifiers } = dir;
    if (!modifiers.length) return baseResult;
    let { key, value: handlerExp } = baseResult.props[0];
    const { keyModifiers, nonKeyModifiers, eventOptionModifiers } = resolveModifiers(key, modifiers, context, dir.loc);
    if (nonKeyModifiers.includes("right")) {
      key = transformClick(key, `onContextmenu`);
    }
    if (nonKeyModifiers.includes("middle")) {
      key = transformClick(key, `onMouseup`);
    }
    if (nonKeyModifiers.length) {
      handlerExp = createCallExpression(context.helper(V_ON_WITH_MODIFIERS), [
        handlerExp,
        JSON.stringify(nonKeyModifiers)
      ]);
    }
    if (keyModifiers.length && // if event name is dynamic, always wrap with keys guard
    (!isStaticExp(key) || isKeyboardEvent(key.content.toLowerCase()))) {
      handlerExp = createCallExpression(context.helper(V_ON_WITH_KEYS), [
        handlerExp,
        JSON.stringify(keyModifiers)
      ]);
    }
    if (eventOptionModifiers.length) {
      const modifierPostfix = eventOptionModifiers.map(capitalize).join("");
      key = isStaticExp(key) ? createSimpleExpression(`${key.content}${modifierPostfix}`, true) : createCompoundExpression([`(`, key, `) + "${modifierPostfix}"`]);
    }
    return {
      props: [createObjectProperty(key, handlerExp)]
    };
  });
};

const transformShow = (dir, node, context) => {
  const { exp, loc } = dir;
  if (!exp) {
    context.onError(
      createDOMCompilerError(61, loc)
    );
  }
  return {
    props: [],
    needRuntime: context.helper(V_SHOW)
  };
};

const transformTransition = (node, context) => {
  if (node.type === 1 && node.tagType === 1) {
    const component = context.isBuiltInComponent(node.tag);
    if (component === TRANSITION) {
      return () => {
        if (!node.children.length) {
          return;
        }
        if (hasMultipleChildren(node)) {
          context.onError(
            createDOMCompilerError(
              62,
              {
                start: node.children[0].loc.start,
                end: node.children[node.children.length - 1].loc.end,
                source: ""
              }
            )
          );
        }
        const child = node.children[0];
        if (child.type === 1) {
          for (const p of child.props) {
            if (p.type === 7 && p.name === "show") {
              node.props.push({
                type: 6,
                name: "persisted",
                nameLoc: node.loc,
                value: void 0,
                loc: node.loc
              });
            }
          }
        }
      };
    }
  }
};
function hasMultipleChildren(node) {
  const children = node.children = node.children.filter(
    (c) => c.type !== 3 && !(c.type === 2 && !c.content.trim())
  );
  const child = children[0];
  return children.length !== 1 || child.type === 11 || child.type === 9 && child.branches.some(hasMultipleChildren);
}

const ignoreSideEffectTags = (node, context) => {
  if (node.type === 1 && node.tagType === 0 && (node.tag === "script" || node.tag === "style")) {
    context.onError(
      createDOMCompilerError(
        63,
        node.loc
      )
    );
    context.removeNode();
  }
};

function isValidHTMLNesting(parent, child) {
  if (parent === "template") {
    return true;
  }
  if (parent in onlyValidChildren) {
    return onlyValidChildren[parent].has(child);
  }
  if (child in onlyValidParents) {
    return onlyValidParents[child].has(parent);
  }
  if (parent in knownInvalidChildren) {
    if (knownInvalidChildren[parent].has(child)) return false;
  }
  if (child in knownInvalidParents) {
    if (knownInvalidParents[child].has(parent)) return false;
  }
  return true;
}
const headings = /* @__PURE__ */ new Set(["h1", "h2", "h3", "h4", "h5", "h6"]);
const emptySet = /* @__PURE__ */ new Set([]);
const onlyValidChildren = {
  head: /* @__PURE__ */ new Set([
    "base",
    "basefront",
    "bgsound",
    "link",
    "meta",
    "title",
    "noscript",
    "noframes",
    "style",
    "script",
    "template"
  ]),
  optgroup: /* @__PURE__ */ new Set(["option"]),
  select: /* @__PURE__ */ new Set(["optgroup", "option", "hr"]),
  // table
  table: /* @__PURE__ */ new Set(["caption", "colgroup", "tbody", "tfoot", "thead"]),
  tr: /* @__PURE__ */ new Set(["td", "th"]),
  colgroup: /* @__PURE__ */ new Set(["col"]),
  tbody: /* @__PURE__ */ new Set(["tr"]),
  thead: /* @__PURE__ */ new Set(["tr"]),
  tfoot: /* @__PURE__ */ new Set(["tr"]),
  // these elements can not have any children elements
  script: emptySet,
  iframe: emptySet,
  option: emptySet,
  textarea: emptySet,
  style: emptySet,
  title: emptySet
};
const onlyValidParents = {
  // sections
  html: emptySet,
  body: /* @__PURE__ */ new Set(["html"]),
  head: /* @__PURE__ */ new Set(["html"]),
  // table
  td: /* @__PURE__ */ new Set(["tr"]),
  colgroup: /* @__PURE__ */ new Set(["table"]),
  caption: /* @__PURE__ */ new Set(["table"]),
  tbody: /* @__PURE__ */ new Set(["table"]),
  tfoot: /* @__PURE__ */ new Set(["table"]),
  col: /* @__PURE__ */ new Set(["colgroup"]),
  th: /* @__PURE__ */ new Set(["tr"]),
  thead: /* @__PURE__ */ new Set(["table"]),
  tr: /* @__PURE__ */ new Set(["tbody", "thead", "tfoot"]),
  // data list
  dd: /* @__PURE__ */ new Set(["dl", "div"]),
  dt: /* @__PURE__ */ new Set(["dl", "div"]),
  // other
  figcaption: /* @__PURE__ */ new Set(["figure"]),
  // li: new Set(["ul", "ol"]),
  summary: /* @__PURE__ */ new Set(["details"]),
  area: /* @__PURE__ */ new Set(["map"])
};
const knownInvalidChildren = {
  p: /* @__PURE__ */ new Set([
    "address",
    "article",
    "aside",
    "blockquote",
    "center",
    "details",
    "dialog",
    "dir",
    "div",
    "dl",
    "fieldset",
    "figure",
    "footer",
    "form",
    "h1",
    "h2",
    "h3",
    "h4",
    "h5",
    "h6",
    "header",
    "hgroup",
    "hr",
    "li",
    "main",
    "nav",
    "menu",
    "ol",
    "p",
    "pre",
    "section",
    "table",
    "ul"
  ]),
  svg: /* @__PURE__ */ new Set([
    "b",
    "blockquote",
    "br",
    "code",
    "dd",
    "div",
    "dl",
    "dt",
    "em",
    "embed",
    "h1",
    "h2",
    "h3",
    "h4",
    "h5",
    "h6",
    "hr",
    "i",
    "img",
    "li",
    "menu",
    "meta",
    "ol",
    "p",
    "pre",
    "ruby",
    "s",
    "small",
    "span",
    "strong",
    "sub",
    "sup",
    "table",
    "u",
    "ul",
    "var"
  ])
};
const knownInvalidParents = {
  a: /* @__PURE__ */ new Set(["a"]),
  button: /* @__PURE__ */ new Set(["button"]),
  dd: /* @__PURE__ */ new Set(["dd", "dt"]),
  dt: /* @__PURE__ */ new Set(["dd", "dt"]),
  form: /* @__PURE__ */ new Set(["form"]),
  li: /* @__PURE__ */ new Set(["li"]),
  h1: headings,
  h2: headings,
  h3: headings,
  h4: headings,
  h5: headings,
  h6: headings
};

const validateHtmlNesting = (node, context) => {
  if (node.type === 1 && node.tagType === 0 && context.parent && context.parent.type === 1 && context.parent.tagType === 0 && !isValidHTMLNesting(context.parent.tag, node.tag)) {
    const error = new SyntaxError(
      `<${node.tag}> cannot be child of <${context.parent.tag}>, according to HTML specifications. This can cause hydration errors or potentially disrupt future functionality.`
    );
    error.loc = node.loc;
    context.onWarn(error);
  }
};

const DOMNodeTransforms = [
  transformStyle,
  ...[transformTransition, validateHtmlNesting] 
];
const DOMDirectiveTransforms = {
  cloak: noopDirectiveTransform,
  html: transformVHtml,
  text: transformVText,
  model: transformModel,
  // override compiler-core
  on: transformOn,
  // override compiler-core
  show: transformShow
};
function compile(src, options = {}) {
  return baseCompile(
    src,
    extend({}, parserOptions, options, {
      nodeTransforms: [
        // ignore <script> and <tag>
        // this is not put inside DOMNodeTransforms because that list is used
        // by compiler-ssr to generate vnode fallback branches
        ignoreSideEffectTags,
        ...DOMNodeTransforms,
        ...options.nodeTransforms || []
      ],
      directiveTransforms: extend(
        {},
        DOMDirectiveTransforms,
        options.directiveTransforms || {}
      ),
      transformHoist: null 
    })
  );
}
function parse(template, options = {}) {
  return baseParse(template, extend({}, parserOptions, options));
}

export { BASE_TRANSITION, BindingTypes, CAMELIZE, CAPITALIZE, CREATE_BLOCK, CREATE_COMMENT, CREATE_ELEMENT_BLOCK, CREATE_ELEMENT_VNODE, CREATE_SLOTS, CREATE_STATIC, CREATE_TEXT, CREATE_VNODE, CompilerDeprecationTypes, ConstantTypes, DOMDirectiveTransforms, DOMErrorCodes, DOMErrorMessages, DOMNodeTransforms, ElementTypes, ErrorCodes, FRAGMENT, GUARD_REACTIVE_PROPS, IS_MEMO_SAME, IS_REF, KEEP_ALIVE, MERGE_PROPS, NORMALIZE_CLASS, NORMALIZE_PROPS, NORMALIZE_STYLE, Namespaces, NodeTypes, OPEN_BLOCK, POP_SCOPE_ID, PUSH_SCOPE_ID, RENDER_LIST, RENDER_SLOT, RESOLVE_COMPONENT, RESOLVE_DIRECTIVE, RESOLVE_DYNAMIC_COMPONENT, RESOLVE_FILTER, SET_BLOCK_TRACKING, SUSPENSE, TELEPORT, TO_DISPLAY_STRING, TO_HANDLERS, TO_HANDLER_KEY, TRANSITION, TRANSITION_GROUP, TS_NODE_TYPES, UNREF, V_MODEL_CHECKBOX, V_MODEL_DYNAMIC, V_MODEL_RADIO, V_MODEL_SELECT, V_MODEL_TEXT, V_ON_WITH_KEYS, V_ON_WITH_MODIFIERS, V_SHOW, WITH_CTX, WITH_DIRECTIVES, WITH_MEMO, advancePositionWithClone, advancePositionWithMutation, assert, baseCompile, baseParse, buildDirectiveArgs, buildProps, buildSlots, checkCompatEnabled, compile, convertToBlock, createArrayExpression, createAssignmentExpression, createBlockStatement, createCacheExpression, createCallExpression, createCompilerError, createCompoundExpression, createConditionalExpression, createDOMCompilerError, createForLoopParams, createFunctionExpression, createIfStatement, createInterpolation, createObjectExpression, createObjectProperty, createReturnStatement, createRoot, createSequenceExpression, createSimpleExpression, createStructuralDirectiveTransform, createTemplateLiteral, createTransformContext, createVNodeCall, errorMessages, extractIdentifiers, findDir, findProp, forAliasRE, generate, generateCodeFrame, getBaseTransformPreset, getConstantType, getMemoedVNodeCall, getVNodeBlockHelper, getVNodeHelper, hasDynamicKeyVBind, hasScopeRef, helperNameMap, injectProp, isCoreComponent, isFnExpression, isFnExpressionBrowser, isFnExpressionNode, isFunctionType, isInDestructureAssignment, isInNewExpression, isMemberExpression, isMemberExpressionBrowser, isMemberExpressionNode, isReferencedIdentifier, isSimpleIdentifier, isSlotOutlet, isStaticArgOf, isStaticExp, isStaticProperty, isStaticPropertyKey, isTemplateNode, isText$1 as isText, isVPre, isVSlot, locStub, noopDirectiveTransform, parse, parserOptions, processExpression, processFor, processIf, processSlotOutlet, registerRuntimeHelpers, resolveComponentType, stringifyExpression, toValidAssetId, trackSlotScopes, trackVForSlotScopes, transform, transformBind, transformElement, transformExpression, transformModel$1 as transformModel, transformOn$1 as transformOn, transformStyle, traverseNode, unwrapTSNode, walkBlockDeclarations, walkFunctionParams, walkIdentifiers, warnDeprecation };