NDAid/node_modules/@vue/compiler-core/dist/compiler-core.cjs.js

'use strict';

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

var shared = require('@vue/shared');
var parser = require('@babel/parser');
var sourceMapJs = require('source-map-js');
var estreeWalker = require('estree-walker');

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 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.`,
  [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.`,
  // 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.`,
  // deprecations
  [51]: `@vnode-* hooks in templates are deprecated. Use the vue: prefix instead. For example, @vnode-mounted should be changed to @vue:mounted. @vnode-* hooks support will be removed in 3.4.`,
  [52]: `v-is="component-name" has been deprecated. Use is="vue:component-name" instead. v-is support will be removed in 3.4.`,
  // just to fulfill types
  [53]: ``
};

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 locStub = {
  source: "",
  start: { line: 1, column: 1, offset: 0 },
  end: { line: 1, column: 1, offset: 0 }
};
function createRoot(children, loc = locStub) {
  return {
    type: 0,
    children,
    helpers: /* @__PURE__ */ new Set(),
    components: [],
    directives: [],
    hoists: [],
    imports: [],
    cached: 0,
    temps: 0,
    codegenNode: void 0,
    loc
  };
}
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: shared.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: shared.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, isVNode = false) {
  return {
    type: 20,
    index,
    value,
    isVNode,
    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 isStaticExp = (p) => p.type === 4 && p.isStatic;
const isBuiltInType = (tag, expected) => tag === expected || tag === shared.hyphenate(expected);
function isCoreComponent(tag) {
  if (isBuiltInType(tag, "Teleport")) {
    return TELEPORT;
  } else if (isBuiltInType(tag, "Suspense")) {
    return SUSPENSE;
  } else if (isBuiltInType(tag, "KeepAlive")) {
    return KEEP_ALIVE;
  } else if (isBuiltInType(tag, "BaseTransition")) {
    return BASE_TRANSITION;
  }
}
const nonIdentifierRE = /^\d|[^\$\w]/;
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 isMemberExpressionBrowser = (path) => {
  path = path.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 = (path, context) => {
  try {
    let ret = parser.parseExpression(path, {
      plugins: context.expressionPlugins
    });
    if (ret.type === "TSAsExpression" || ret.type === "TSTypeAssertion") {
      ret = ret.expression;
    }
    return ret.type === "MemberExpression" || ret.type === "OptionalMemberExpression" || ret.type === "Identifier";
  } catch (e) {
    return false;
  }
};
const isMemberExpression = isMemberExpressionNode;
function getInnerRange(loc, offset, length) {
  const source = loc.source.slice(offset, offset + length);
  const newLoc = {
    source,
    start: advancePositionWithClone(loc.start, loc.source, offset),
    end: loc.end
  };
  if (length != null) {
    newLoc.end = advancePositionWithClone(
      loc.start,
      loc.source,
      offset + length
    );
  }
  return newLoc;
}
function advancePositionWithClone(pos, source, numberOfCharacters = source.length) {
  return advancePositionWithMutation(
    shared.extend({}, pos),
    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) && (shared.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 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 && !shared.isString(props) && props.type === 14) {
    const callee = props.callee;
    if (!shared.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 && !shared.isString(props) && props.type === 14) {
    const ret = getUnnormalizedProps(props);
    props = ret[0];
    callPath = ret[1];
    parentCall = callPath[callPath.length - 1];
  }
  if (props == null || shared.isString(props)) {
    propsWithInjection = createObjectExpression([prop]);
  } else if (props.type === 14) {
    const first = props.arguments[0];
    if (!shared.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) => shared.isObject(c) && hasScopeRef(c, ids));
    case 5:
    case 12:
      return hasScopeRef(node.content, ids);
    case 2:
    case 3:
      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]*)/;

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_PROP"]: {
    message: `.prop modifier for v-bind has been removed and no longer necessary. Vue 3 will automatically set a binding as DOM property when appropriate.`
  },
  ["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_FILTER"]: {
    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, context) {
  const config = context.options ? context.options.compatConfig : context.compatConfig;
  const value = config && config[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);
}

const decodeRE = /&(gt|lt|amp|apos|quot);/g;
const decodeMap = {
  gt: ">",
  lt: "<",
  amp: "&",
  apos: "'",
  quot: '"'
};
const defaultParserOptions = {
  delimiters: [`{{`, `}}`],
  getNamespace: () => 0,
  getTextMode: () => 0,
  isVoidTag: shared.NO,
  isPreTag: shared.NO,
  isCustomElement: shared.NO,
  decodeEntities: (rawText) => rawText.replace(decodeRE, (_, p1) => decodeMap[p1]),
  onError: defaultOnError,
  onWarn: defaultOnWarn,
  comments: true
};
function baseParse(content, options = {}) {
  const context = createParserContext(content, options);
  const start = getCursor(context);
  return createRoot(
    parseChildren(context, 0, []),
    getSelection(context, start)
  );
}
function createParserContext(content, rawOptions) {
  const options = shared.extend({}, defaultParserOptions);
  let key;
  for (key in rawOptions) {
    options[key] = rawOptions[key] === void 0 ? defaultParserOptions[key] : rawOptions[key];
  }
  return {
    options,
    column: 1,
    line: 1,
    offset: 0,
    originalSource: content,
    source: content,
    inPre: false,
    inVPre: false,
    onWarn: options.onWarn
  };
}
function parseChildren(context, mode, ancestors) {
  const parent = last(ancestors);
  const ns = parent ? parent.ns : 0;
  const nodes = [];
  while (!isEnd(context, mode, ancestors)) {
    const s = context.source;
    let node = void 0;
    if (mode === 0 || mode === 1) {
      if (!context.inVPre && startsWith(s, context.options.delimiters[0])) {
        node = parseInterpolation(context, mode);
      } else if (mode === 0 && s[0] === "<") {
        if (s.length === 1) {
          emitError(context, 5, 1);
        } else if (s[1] === "!") {
          if (startsWith(s, "<!--")) {
            node = parseComment(context);
          } else if (startsWith(s, "<!DOCTYPE")) {
            node = parseBogusComment(context);
          } else if (startsWith(s, "<![CDATA[")) {
            if (ns !== 0) {
              node = parseCDATA(context, ancestors);
            } else {
              emitError(context, 1);
              node = parseBogusComment(context);
            }
          } else {
            emitError(context, 11);
            node = parseBogusComment(context);
          }
        } else if (s[1] === "/") {
          if (s.length === 2) {
            emitError(context, 5, 2);
          } else if (s[2] === ">") {
            emitError(context, 14, 2);
            advanceBy(context, 3);
            continue;
          } else if (/[a-z]/i.test(s[2])) {
            emitError(context, 23);
            parseTag(context, 1 /* End */, parent);
            continue;
          } else {
            emitError(
              context,
              12,
              2
            );
            node = parseBogusComment(context);
          }
        } else if (/[a-z]/i.test(s[1])) {
          node = parseElement(context, ancestors);
          if (isCompatEnabled(
            "COMPILER_NATIVE_TEMPLATE",
            context
          ) && node && node.tag === "template" && !node.props.some(
            (p) => p.type === 7 && isSpecialTemplateDirective(p.name)
          )) {
            warnDeprecation(
              "COMPILER_NATIVE_TEMPLATE",
              context,
              node.loc
            );
            node = node.children;
          }
        } else if (s[1] === "?") {
          emitError(
            context,
            21,
            1
          );
          node = parseBogusComment(context);
        } else {
          emitError(context, 12, 1);
        }
      }
    }
    if (!node) {
      node = parseText(context, mode);
    }
    if (shared.isArray(node)) {
      for (let i = 0; i < node.length; i++) {
        pushNode(nodes, node[i]);
      }
    } else {
      pushNode(nodes, node);
    }
  }
  let removedWhitespace = false;
  if (mode !== 2 && mode !== 1) {
    const shouldCondense = context.options.whitespace !== "preserve";
    for (let i = 0; i < nodes.length; i++) {
      const node = nodes[i];
      if (node.type === 2) {
        if (!context.inPre) {
          if (!/[^\t\r\n\f ]/.test(node.content)) {
            const prev = nodes[i - 1];
            const next = nodes[i + 1];
            if (!prev || !next || shouldCondense && (prev.type === 3 && next.type === 3 || prev.type === 3 && next.type === 1 || prev.type === 1 && next.type === 3 || prev.type === 1 && next.type === 1 && /[\r\n]/.test(node.content))) {
              removedWhitespace = true;
              nodes[i] = null;
            } else {
              node.content = " ";
            }
          } else if (shouldCondense) {
            node.content = node.content.replace(/[\t\r\n\f ]+/g, " ");
          }
        } else {
          node.content = node.content.replace(/\r\n/g, "\n");
        }
      } else if (node.type === 3 && !context.options.comments) {
        removedWhitespace = true;
        nodes[i] = null;
      }
    }
    if (context.inPre && parent && context.options.isPreTag(parent.tag)) {
      const first = nodes[0];
      if (first && first.type === 2) {
        first.content = first.content.replace(/^\r?\n/, "");
      }
    }
  }
  return removedWhitespace ? nodes.filter(Boolean) : nodes;
}
function pushNode(nodes, node) {
  if (node.type === 2) {
    const prev = last(nodes);
    if (prev && prev.type === 2 && prev.loc.end.offset === node.loc.start.offset) {
      prev.content += node.content;
      prev.loc.end = node.loc.end;
      prev.loc.source += node.loc.source;
      return;
    }
  }
  nodes.push(node);
}
function parseCDATA(context, ancestors) {
  advanceBy(context, 9);
  const nodes = parseChildren(context, 3, ancestors);
  if (context.source.length === 0) {
    emitError(context, 6);
  } else {
    advanceBy(context, 3);
  }
  return nodes;
}
function parseComment(context) {
  const start = getCursor(context);
  let content;
  const match = /--(\!)?>/.exec(context.source);
  if (!match) {
    content = context.source.slice(4);
    advanceBy(context, context.source.length);
    emitError(context, 7);
  } else {
    if (match.index <= 3) {
      emitError(context, 0);
    }
    if (match[1]) {
      emitError(context, 10);
    }
    content = context.source.slice(4, match.index);
    const s = context.source.slice(0, match.index);
    let prevIndex = 1, nestedIndex = 0;
    while ((nestedIndex = s.indexOf("<!--", prevIndex)) !== -1) {
      advanceBy(context, nestedIndex - prevIndex + 1);
      if (nestedIndex + 4 < s.length) {
        emitError(context, 16);
      }
      prevIndex = nestedIndex + 1;
    }
    advanceBy(context, match.index + match[0].length - prevIndex + 1);
  }
  return {
    type: 3,
    content,
    loc: getSelection(context, start)
  };
}
function parseBogusComment(context) {
  const start = getCursor(context);
  const contentStart = context.source[1] === "?" ? 1 : 2;
  let content;
  const closeIndex = context.source.indexOf(">");
  if (closeIndex === -1) {
    content = context.source.slice(contentStart);
    advanceBy(context, context.source.length);
  } else {
    content = context.source.slice(contentStart, closeIndex);
    advanceBy(context, closeIndex + 1);
  }
  return {
    type: 3,
    content,
    loc: getSelection(context, start)
  };
}
function parseElement(context, ancestors) {
  const wasInPre = context.inPre;
  const wasInVPre = context.inVPre;
  const parent = last(ancestors);
  const element = parseTag(context, 0 /* Start */, parent);
  const isPreBoundary = context.inPre && !wasInPre;
  const isVPreBoundary = context.inVPre && !wasInVPre;
  if (element.isSelfClosing || context.options.isVoidTag(element.tag)) {
    if (isPreBoundary) {
      context.inPre = false;
    }
    if (isVPreBoundary) {
      context.inVPre = false;
    }
    return element;
  }
  ancestors.push(element);
  const mode = context.options.getTextMode(element, parent);
  const children = parseChildren(context, mode, ancestors);
  ancestors.pop();
  {
    const inlineTemplateProp = element.props.find(
      (p) => p.type === 6 && p.name === "inline-template"
    );
    if (inlineTemplateProp && checkCompatEnabled(
      "COMPILER_INLINE_TEMPLATE",
      context,
      inlineTemplateProp.loc
    )) {
      const loc = getSelection(context, element.loc.end);
      inlineTemplateProp.value = {
        type: 2,
        content: loc.source,
        loc
      };
    }
  }
  element.children = children;
  if (startsWithEndTagOpen(context.source, element.tag)) {
    parseTag(context, 1 /* End */, parent);
  } else {
    emitError(context, 24, 0, element.loc.start);
    if (context.source.length === 0 && element.tag.toLowerCase() === "script") {
      const first = children[0];
      if (first && startsWith(first.loc.source, "<!--")) {
        emitError(context, 8);
      }
    }
  }
  element.loc = getSelection(context, element.loc.start);
  if (isPreBoundary) {
    context.inPre = false;
  }
  if (isVPreBoundary) {
    context.inVPre = false;
  }
  return element;
}
const isSpecialTemplateDirective = /* @__PURE__ */ shared.makeMap(
  `if,else,else-if,for,slot`
);
function parseTag(context, type, parent) {
  const start = getCursor(context);
  const match = /^<\/?([a-z][^\t\r\n\f />]*)/i.exec(context.source);
  const tag = match[1];
  const ns = context.options.getNamespace(tag, parent);
  advanceBy(context, match[0].length);
  advanceSpaces(context);
  const cursor = getCursor(context);
  const currentSource = context.source;
  if (context.options.isPreTag(tag)) {
    context.inPre = true;
  }
  let props = parseAttributes(context, type);
  if (type === 0 /* Start */ && !context.inVPre && props.some((p) => p.type === 7 && p.name === "pre")) {
    context.inVPre = true;
    shared.extend(context, cursor);
    context.source = currentSource;
    props = parseAttributes(context, type).filter((p) => p.name !== "v-pre");
  }
  let isSelfClosing = false;
  if (context.source.length === 0) {
    emitError(context, 9);
  } else {
    isSelfClosing = startsWith(context.source, "/>");
    if (type === 1 /* End */ && isSelfClosing) {
      emitError(context, 4);
    }
    advanceBy(context, isSelfClosing ? 2 : 1);
  }
  if (type === 1 /* End */) {
    return;
  }
  if (isCompatEnabled(
    "COMPILER_V_IF_V_FOR_PRECEDENCE",
    context
  )) {
    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",
          context,
          getSelection(context, start)
        );
        break;
      }
    }
  }
  let tagType = 0;
  if (!context.inVPre) {
    if (tag === "slot") {
      tagType = 2;
    } else if (tag === "template") {
      if (props.some(
        (p) => p.type === 7 && isSpecialTemplateDirective(p.name)
      )) {
        tagType = 3;
      }
    } else if (isComponent(tag, props, context)) {
      tagType = 1;
    }
  }
  return {
    type: 1,
    ns,
    tag,
    tagType,
    props,
    isSelfClosing,
    children: [],
    loc: getSelection(context, start),
    codegenNode: void 0
    // to be created during transform phase
  };
}
function isComponent(tag, props, context) {
  const options = context.options;
  if (options.isCustomElement(tag)) {
    return false;
  }
  if (tag === "component" || /^[A-Z]/.test(tag) || isCoreComponent(tag) || options.isBuiltInComponent && options.isBuiltInComponent(tag) || options.isNativeTag && !options.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",
          context,
          p.loc
        )) {
          return true;
        }
      }
    } else {
      if (p.name === "is") {
        return true;
      } else if (
        // :is on plain element - only treat as component in compat mode
        p.name === "bind" && isStaticArgOf(p.arg, "is") && true && checkCompatEnabled(
          "COMPILER_IS_ON_ELEMENT",
          context,
          p.loc
        )
      ) {
        return true;
      }
    }
  }
}
function parseAttributes(context, type) {
  const props = [];
  const attributeNames = /* @__PURE__ */ new Set();
  while (context.source.length > 0 && !startsWith(context.source, ">") && !startsWith(context.source, "/>")) {
    if (startsWith(context.source, "/")) {
      emitError(context, 22);
      advanceBy(context, 1);
      advanceSpaces(context);
      continue;
    }
    if (type === 1 /* End */) {
      emitError(context, 3);
    }
    const attr = parseAttribute(context, attributeNames);
    if (attr.type === 6 && attr.value && attr.name === "class") {
      attr.value.content = attr.value.content.replace(/\s+/g, " ").trim();
    }
    if (type === 0 /* Start */) {
      props.push(attr);
    }
    if (/^[^\t\r\n\f />]/.test(context.source)) {
      emitError(context, 15);
    }
    advanceSpaces(context);
  }
  return props;
}
function parseAttribute(context, nameSet) {
  var _a;
  const start = getCursor(context);
  const match = /^[^\t\r\n\f />][^\t\r\n\f />=]*/.exec(context.source);
  const name = match[0];
  if (nameSet.has(name)) {
    emitError(context, 2);
  }
  nameSet.add(name);
  if (name[0] === "=") {
    emitError(context, 19);
  }
  {
    const pattern = /["'<]/g;
    let m;
    while (m = pattern.exec(name)) {
      emitError(
        context,
        17,
        m.index
      );
    }
  }
  advanceBy(context, name.length);
  let value = void 0;
  if (/^[\t\r\n\f ]*=/.test(context.source)) {
    advanceSpaces(context);
    advanceBy(context, 1);
    advanceSpaces(context);
    value = parseAttributeValue(context);
    if (!value) {
      emitError(context, 13);
    }
  }
  const loc = getSelection(context, start);
  if (!context.inVPre && /^(v-[A-Za-z0-9-]|:|\.|@|#)/.test(name)) {
    const match2 = /(?:^v-([a-z0-9-]+))?(?:(?::|^\.|^@|^#)(\[[^\]]+\]|[^\.]+))?(.+)?$/i.exec(
      name
    );
    let isPropShorthand = startsWith(name, ".");
    let dirName = match2[1] || (isPropShorthand || startsWith(name, ":") ? "bind" : startsWith(name, "@") ? "on" : "slot");
    let arg;
    if (match2[2]) {
      const isSlot = dirName === "slot";
      const startOffset = name.lastIndexOf(
        match2[2],
        name.length - (((_a = match2[3]) == null ? void 0 : _a.length) || 0)
      );
      const loc2 = getSelection(
        context,
        getNewPosition(context, start, startOffset),
        getNewPosition(
          context,
          start,
          startOffset + match2[2].length + (isSlot && match2[3] || "").length
        )
      );
      let content = match2[2];
      let isStatic = true;
      if (content.startsWith("[")) {
        isStatic = false;
        if (!content.endsWith("]")) {
          emitError(
            context,
            27
          );
          content = content.slice(1);
        } else {
          content = content.slice(1, content.length - 1);
        }
      } else if (isSlot) {
        content += match2[3] || "";
      }
      arg = {
        type: 4,
        content,
        isStatic,
        constType: isStatic ? 3 : 0,
        loc: loc2
      };
    }
    if (value && value.isQuoted) {
      const valueLoc = value.loc;
      valueLoc.start.offset++;
      valueLoc.start.column++;
      valueLoc.end = advancePositionWithClone(valueLoc.start, value.content);
      valueLoc.source = valueLoc.source.slice(1, -1);
    }
    const modifiers = match2[3] ? match2[3].slice(1).split(".") : [];
    if (isPropShorthand)
      modifiers.push("prop");
    if (dirName === "bind" && arg) {
      if (modifiers.includes("sync") && checkCompatEnabled(
        "COMPILER_V_BIND_SYNC",
        context,
        loc,
        arg.loc.source
      )) {
        dirName = "model";
        modifiers.splice(modifiers.indexOf("sync"), 1);
      }
      if (modifiers.includes("prop")) {
        checkCompatEnabled(
          "COMPILER_V_BIND_PROP",
          context,
          loc
        );
      }
    }
    return {
      type: 7,
      name: dirName,
      exp: value && {
        type: 4,
        content: value.content,
        isStatic: false,
        // Treat as non-constant by default. This can be potentially set to
        // other values by `transformExpression` to make it eligible for hoisting.
        constType: 0,
        loc: value.loc
      },
      arg,
      modifiers,
      loc
    };
  }
  if (!context.inVPre && startsWith(name, "v-")) {
    emitError(context, 26);
  }
  return {
    type: 6,
    name,
    value: value && {
      type: 2,
      content: value.content,
      loc: value.loc
    },
    loc
  };
}
function parseAttributeValue(context) {
  const start = getCursor(context);
  let content;
  const quote = context.source[0];
  const isQuoted = quote === `"` || quote === `'`;
  if (isQuoted) {
    advanceBy(context, 1);
    const endIndex = context.source.indexOf(quote);
    if (endIndex === -1) {
      content = parseTextData(
        context,
        context.source.length,
        4
      );
    } else {
      content = parseTextData(context, endIndex, 4);
      advanceBy(context, 1);
    }
  } else {
    const match = /^[^\t\r\n\f >]+/.exec(context.source);
    if (!match) {
      return void 0;
    }
    const unexpectedChars = /["'<=`]/g;
    let m;
    while (m = unexpectedChars.exec(match[0])) {
      emitError(
        context,
        18,
        m.index
      );
    }
    content = parseTextData(context, match[0].length, 4);
  }
  return { content, isQuoted, loc: getSelection(context, start) };
}
function parseInterpolation(context, mode) {
  const [open, close] = context.options.delimiters;
  const closeIndex = context.source.indexOf(close, open.length);
  if (closeIndex === -1) {
    emitError(context, 25);
    return void 0;
  }
  const start = getCursor(context);
  advanceBy(context, open.length);
  const innerStart = getCursor(context);
  const innerEnd = getCursor(context);
  const rawContentLength = closeIndex - open.length;
  const rawContent = context.source.slice(0, rawContentLength);
  const preTrimContent = parseTextData(context, rawContentLength, mode);
  const content = preTrimContent.trim();
  const startOffset = preTrimContent.indexOf(content);
  if (startOffset > 0) {
    advancePositionWithMutation(innerStart, rawContent, startOffset);
  }
  const endOffset = rawContentLength - (preTrimContent.length - content.length - startOffset);
  advancePositionWithMutation(innerEnd, rawContent, endOffset);
  advanceBy(context, close.length);
  return {
    type: 5,
    content: {
      type: 4,
      isStatic: false,
      // Set `isConstant` to false by default and will decide in transformExpression
      constType: 0,
      content,
      loc: getSelection(context, innerStart, innerEnd)
    },
    loc: getSelection(context, start)
  };
}
function parseText(context, mode) {
  const endTokens = mode === 3 ? ["]]>"] : ["<", context.options.delimiters[0]];
  let endIndex = context.source.length;
  for (let i = 0; i < endTokens.length; i++) {
    const index = context.source.indexOf(endTokens[i], 1);
    if (index !== -1 && endIndex > index) {
      endIndex = index;
    }
  }
  const start = getCursor(context);
  const content = parseTextData(context, endIndex, mode);
  return {
    type: 2,
    content,
    loc: getSelection(context, start)
  };
}
function parseTextData(context, length, mode) {
  const rawText = context.source.slice(0, length);
  advanceBy(context, length);
  if (mode === 2 || mode === 3 || !rawText.includes("&")) {
    return rawText;
  } else {
    return context.options.decodeEntities(
      rawText,
      mode === 4
    );
  }
}
function getCursor(context) {
  const { column, line, offset } = context;
  return { column, line, offset };
}
function getSelection(context, start, end) {
  end = end || getCursor(context);
  return {
    start,
    end,
    source: context.originalSource.slice(start.offset, end.offset)
  };
}
function last(xs) {
  return xs[xs.length - 1];
}
function startsWith(source, searchString) {
  return source.startsWith(searchString);
}
function advanceBy(context, numberOfCharacters) {
  const { source } = context;
  advancePositionWithMutation(context, source, numberOfCharacters);
  context.source = source.slice(numberOfCharacters);
}
function advanceSpaces(context) {
  const match = /^[\t\r\n\f ]+/.exec(context.source);
  if (match) {
    advanceBy(context, match[0].length);
  }
}
function getNewPosition(context, start, numberOfCharacters) {
  return advancePositionWithClone(
    start,
    context.originalSource.slice(start.offset, numberOfCharacters),
    numberOfCharacters
  );
}
function emitError(context, code, offset, loc = getCursor(context)) {
  if (offset) {
    loc.offset += offset;
    loc.column += offset;
  }
  context.options.onError(
    createCompilerError(code, {
      start: loc,
      end: loc,
      source: ""
    })
  );
}
function isEnd(context, mode, ancestors) {
  const s = context.source;
  switch (mode) {
    case 0:
      if (startsWith(s, "</")) {
        for (let i = ancestors.length - 1; i >= 0; --i) {
          if (startsWithEndTagOpen(s, ancestors[i].tag)) {
            return true;
          }
        }
      }
      break;
    case 1:
    case 2: {
      const parent = last(ancestors);
      if (parent && startsWithEndTagOpen(s, parent.tag)) {
        return true;
      }
      break;
    }
    case 3:
      if (startsWith(s, "]]>")) {
        return true;
      }
      break;
  }
  return !s;
}
function startsWithEndTagOpen(source, tag) {
  return startsWith(source, "</") && source.slice(2, 2 + tag.length).toLowerCase() === tag.toLowerCase() && /[\t\r\n\f />]/.test(source[2 + tag.length] || ">");
}

function hoistStatic(root, context) {
  walk(
    root,
    context,
    // Root node is unfortunately non-hoistable due to potential parent
    // fallthrough attributes.
    isSingleElementRoot(root, root.children[0])
  );
}
function isSingleElementRoot(root, child) {
  const { children } = root;
  return children.length === 1 && child.type === 1 && !isSlotOutlet(child);
}
function walk(node, context, doNotHoistNode = false) {
  const { children } = node;
  const originalCount = children.length;
  let hoistedCount = 0;
  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 + (` /* HOISTED */` );
          child.codegenNode = context.hoist(child.codegenNode);
          hoistedCount++;
          continue;
        }
      } else {
        const codegenNode = child.codegenNode;
        if (codegenNode.type === 13) {
          const flag = getPatchFlag(codegenNode);
          if ((!flag || 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);
          }
        }
      }
    }
    if (child.type === 1) {
      const isComponent = child.tagType === 1;
      if (isComponent) {
        context.scopes.vSlot++;
      }
      walk(child, context);
      if (isComponent) {
        context.scopes.vSlot--;
      }
    } else if (child.type === 11) {
      walk(child, context, child.children.length === 1);
    } else if (child.type === 9) {
      for (let i2 = 0; i2 < child.branches.length; i2++) {
        walk(
          child.branches[i2],
          context,
          child.branches[i2].children.length === 1
        );
      }
    }
  }
  if (hoistedCount && context.transformHoist) {
    context.transformHoist(children, context, node);
  }
  if (hoistedCount && hoistedCount === originalCount && node.type === 1 && node.tagType === 0 && node.codegenNode && node.codegenNode.type === 13 && shared.isArray(node.codegenNode.children)) {
    const hoisted = context.hoist(
      createArrayExpression(node.codegenNode.children)
    );
    if (context.hmr) {
      hoisted.content = `[...${hoisted.content}]`;
    }
    node.codegenNode.children = hoisted;
  }
}
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") {
        return 0;
      }
      const flag = getPatchFlag(codegenNode);
      if (!flag) {
        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 (shared.isString(child) || shared.isSymbol(child)) {
          continue;
        }
        const childType = getConstantType(child, context);
        if (childType === 0) {
          return 0;
        } else if (childType < returnType) {
          returnType = childType;
        }
      }
      return returnType;
    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 && !shared.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 getPatchFlag(node) {
  const flag = node.patchFlag;
  return flag ? parseInt(flag, 10) : void 0;
}

function createTransformContext(root, {
  filename = "",
  prefixIdentifiers = false,
  hoistStatic: hoistStatic2 = false,
  hmr = false,
  cacheHandlers = false,
  nodeTransforms = [],
  directiveTransforms = {},
  transformHoist = null,
  isBuiltInComponent = shared.NOOP,
  isCustomElement = shared.NOOP,
  expressionPlugins = [],
  scopeId = null,
  slotted = true,
  ssr = false,
  inSSR = false,
  ssrCssVars = ``,
  bindingMetadata = shared.EMPTY_OBJ,
  inline = false,
  isTS = false,
  onError = defaultOnError,
  onWarn = defaultOnWarn,
  compatConfig
}) {
  const nameMatch = filename.replace(/\?.*$/, "").match(/([^/\\]+)\.\w+$/);
  const context = {
    // options
    selfName: nameMatch && shared.capitalize(shared.camelize(nameMatch[1])),
    prefixIdentifiers,
    hoistStatic: hoistStatic2,
    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: [],
    constantCache: /* @__PURE__ */ new WeakMap(),
    temps: 0,
    cached: 0,
    identifiers: /* @__PURE__ */ Object.create(null),
    scopes: {
      vFor: 0,
      vSlot: 0,
      vPre: 0,
      vOnce: 0
    },
    parent: 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 `_${helperNameMap[context.helper(name)]}`;
    },
    replaceNode(node) {
      {
        if (!context.currentNode) {
          throw new Error(`Node being replaced is already removed.`);
        }
        if (!context.parent) {
          throw new Error(`Cannot replace root node.`);
        }
      }
      context.parent.children[context.childIndex] = context.currentNode = node;
    },
    removeNode(node) {
      if (!context.parent) {
        throw new Error(`Cannot remove root node.`);
      }
      const list = context.parent.children;
      const removalIndex = node ? list.indexOf(node) : context.currentNode ? context.childIndex : -1;
      if (removalIndex < 0) {
        throw new Error(`node being removed is not a child of current parent`);
      }
      if (!node || node === context.currentNode) {
        context.currentNode = null;
        context.onNodeRemoved();
      } else {
        if (context.childIndex > removalIndex) {
          context.childIndex--;
          context.onNodeRemoved();
        }
      }
      context.parent.children.splice(removalIndex, 1);
    },
    onNodeRemoved: () => {
    },
    addIdentifiers(exp) {
      {
        if (shared.isString(exp)) {
          addId(exp);
        } else if (exp.identifiers) {
          exp.identifiers.forEach(addId);
        } else if (exp.type === 4) {
          addId(exp.content);
        }
      }
    },
    removeIdentifiers(exp) {
      {
        if (shared.isString(exp)) {
          removeId(exp);
        } else if (exp.identifiers) {
          exp.identifiers.forEach(removeId);
        } else if (exp.type === 4) {
          removeId(exp.content);
        }
      }
    },
    hoist(exp) {
      if (shared.isString(exp))
        exp = createSimpleExpression(exp);
      context.hoists.push(exp);
      const identifier = createSimpleExpression(
        `_hoisted_${context.hoists.length}`,
        false,
        exp.loc,
        2
      );
      identifier.hoisted = exp;
      return identifier;
    },
    cache(exp, isVNode = false) {
      return createCacheExpression(context.cached++, exp, isVNode);
    }
  };
  {
    context.filters = /* @__PURE__ */ new Set();
  }
  function addId(id) {
    const { identifiers } = context;
    if (identifiers[id] === void 0) {
      identifiers[id] = 0;
    }
    identifiers[id]++;
  }
  function removeId(id) {
    context.identifiers[id]--;
  }
  return context;
}
function transform(root, options) {
  const context = createTransformContext(root, options);
  traverseNode(root, context);
  if (options.hoistStatic) {
    hoistStatic(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.filters = [...context.filters];
  }
}
function createRootCodegen(root, context) {
  const { helper } = context;
  const { children } = root;
  if (children.length === 1) {
    const child = children[0];
    if (isSingleElementRoot(root, child) && child.codegenNode) {
      const codegenNode = child.codegenNode;
      if (codegenNode.type === 13) {
        convertToBlock(codegenNode, context);
      }
      root.codegenNode = codegenNode;
    } else {
      root.codegenNode = child;
    }
  } else if (children.length > 1) {
    let patchFlag = 64;
    let patchFlagText = shared.PatchFlagNames[64];
    if (children.filter((c) => c.type !== 3).length === 1) {
      patchFlag |= 2048;
      patchFlagText += `, ${shared.PatchFlagNames[2048]}`;
    }
    root.codegenNode = createVNodeCall(
      context,
      helper(FRAGMENT),
      void 0,
      root.children,
      patchFlag + (` /* ${patchFlagText} */` ),
      void 0,
      void 0,
      true,
      void 0,
      false
      /* isComponent */
    );
  } else ;
}
function traverseChildren(parent, context) {
  let i = 0;
  const nodeRemoved = () => {
    i--;
  };
  for (; i < parent.children.length; i++) {
    const child = parent.children[i];
    if (shared.isString(child))
      continue;
    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 (shared.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;
    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 = shared.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.loc.source,
    code: ``,
    column: 1,
    line: 1,
    offset: 0,
    indentLevel: 0,
    pure: false,
    map: void 0,
    helper(key) {
      return `_${helperNameMap[key]}`;
    },
    push(code, node) {
      context.code += code;
      if (context.map) {
        if (node) {
          let name;
          if (node.type === 4 && !node.isStatic) {
            const content = node.content.replace(/^_ctx\./, "");
            if (content !== node.content && isSimpleIdentifier(content)) {
              name = content;
            }
          }
          addMapping(node.loc.start, name);
        }
        advancePositionWithMutation(context, code);
        if (node && node.loc !== locStub) {
          addMapping(node.loc.end);
        }
      }
    },
    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));
  }
  function addMapping(loc, name) {
    context.map.addMapping({
      name,
      source: context.filename,
      original: {
        line: loc.line,
        column: loc.column - 1
        // source-map column is 0 based
      },
      generated: {
        line: context.line,
        column: context.column - 1
      }
    });
  }
  if (sourceMap) {
    context.map = new sourceMapJs.SourceMapGenerator();
    context.map.setSourceContent(filename, context.source);
  }
  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 genScopeId = scopeId != null && mode === "module";
  const isSetupInlined = !!options.inline;
  const preambleContext = isSetupInlined ? createCodegenContext(ast, options) : context;
  if (mode === "module") {
    genModulePreamble(ast, preambleContext, genScopeId, isSetupInlined);
  } else {
    genFunctionPreamble(ast, preambleContext);
  }
  const functionName = ssr ? `ssrRender` : `render`;
  const args = ssr ? ["_ctx", "_push", "_parent", "_attrs"] : ["_ctx", "_cache"];
  if (options.bindingMetadata && !options.inline) {
    args.push("$props", "$setup", "$data", "$options");
  }
  const signature = options.isTS ? args.map((arg) => `${arg}: any`).join(",") : args.join(", ");
  if (isSetupInlined) {
    push(`(${signature}) => {`);
  } else {
    push(`function ${functionName}(${signature}) {`);
  }
  indent();
  if (useWithBlock) {
    push(`with (_ctx) {`);
    indent();
    if (hasHelpers) {
      push(`const { ${helpers.map(aliasHelper).join(", ")} } = _Vue`);
      push(`
`);
      newline();
    }
  }
  if (ast.components.length) {
    genAssets(ast.components, "component", context);
    if (ast.directives.length || ast.temps > 0) {
      newline();
    }
  }
  if (ast.directives.length) {
    genAssets(ast.directives, "directive", context);
    if (ast.temps > 0) {
      newline();
    }
  }
  if (ast.filters && ast.filters.length) {
    newline();
    genAssets(ast.filters, "filter", context);
    newline();
  }
  if (ast.temps > 0) {
    push(`let `);
    for (let i = 0; i < ast.temps; i++) {
      push(`${i > 0 ? `, ` : ``}_temp${i}`);
    }
  }
  if (ast.components.length || ast.directives.length || ast.temps) {
    push(`
`);
    newline();
  }
  if (!ssr) {
    push(`return `);
  }
  if (ast.codegenNode) {
    genNode(ast.codegenNode, context);
  } else {
    push(`null`);
  }
  if (useWithBlock) {
    deindent();
    push(`}`);
  }
  deindent();
  push(`}`);
  return {
    ast,
    code: context.code,
    preamble: isSetupInlined ? preambleContext.code : ``,
    // SourceMapGenerator does have toJSON() method but it's not in the types
    map: context.map ? context.map.toJSON() : void 0
  };
}
function genFunctionPreamble(ast, context) {
  const {
    ssr,
    prefixIdentifiers,
    push,
    newline,
    runtimeModuleName,
    runtimeGlobalName,
    ssrRuntimeModuleName
  } = context;
  const VueBinding = ssr ? `require(${JSON.stringify(runtimeModuleName)})` : runtimeGlobalName;
  const helpers = Array.from(ast.helpers);
  if (helpers.length > 0) {
    if (prefixIdentifiers) {
      push(`const { ${helpers.map(aliasHelper).join(", ")} } = ${VueBinding}
`);
    } else {
      push(`const _Vue = ${VueBinding}
`);
      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
`);
      }
    }
  }
  if (ast.ssrHelpers && ast.ssrHelpers.length) {
    push(
      `const { ${ast.ssrHelpers.map(aliasHelper).join(", ")} } = require("${ssrRuntimeModuleName}")
`
    );
  }
  genHoists(ast.hoists, context);
  newline();
  push(`return `);
}
function genModulePreamble(ast, context, genScopeId, inline) {
  const {
    push,
    newline,
    optimizeImports,
    runtimeModuleName,
    ssrRuntimeModuleName
  } = context;
  if (genScopeId && ast.hoists.length) {
    ast.helpers.add(PUSH_SCOPE_ID);
    ast.helpers.add(POP_SCOPE_ID);
  }
  if (ast.helpers.size) {
    const helpers = Array.from(ast.helpers);
    if (optimizeImports) {
      push(
        `import { ${helpers.map((s) => helperNameMap[s]).join(", ")} } from ${JSON.stringify(runtimeModuleName)}
`
      );
      push(
        `
// Binding optimization for webpack code-split
const ${helpers.map((s) => `_${helperNameMap[s]} = ${helperNameMap[s]}`).join(", ")}
`
      );
    } else {
      push(
        `import { ${helpers.map((s) => `${helperNameMap[s]} as _${helperNameMap[s]}`).join(", ")} } from ${JSON.stringify(runtimeModuleName)}
`
      );
    }
  }
  if (ast.ssrHelpers && ast.ssrHelpers.length) {
    push(
      `import { ${ast.ssrHelpers.map((s) => `${helperNameMap[s]} as _${helperNameMap[s]}`).join(", ")} } from "${ssrRuntimeModuleName}"
`
    );
  }
  if (ast.imports.length) {
    genImports(ast.imports, context);
    newline();
  }
  genHoists(ast.hoists, context);
  newline();
  if (!inline) {
    push(`export `);
  }
}
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, helper, scopeId, mode } = context;
  const genScopeId = scopeId != null && mode !== "function";
  newline();
  if (genScopeId) {
    push(
      `const _withScopeId = n => (${helper(
        PUSH_SCOPE_ID
      )}("${scopeId}"),n=n(),${helper(POP_SCOPE_ID)}(),n)`
    );
    newline();
  }
  for (let i = 0; i < hoists.length; i++) {
    const exp = hoists[i];
    if (exp) {
      const needScopeIdWrapper = genScopeId && exp.type === 13;
      push(
        `const _hoisted_${i + 1} = ${needScopeIdWrapper ? `${PURE_ANNOTATION} _withScopeId(() => ` : ``}`
      );
      genNode(exp, context);
      if (needScopeIdWrapper) {
        push(`)`);
      }
      newline();
    }
  }
  context.pure = false;
}
function genImports(importsOptions, context) {
  if (!importsOptions.length) {
    return;
  }
  importsOptions.forEach((imports) => {
    context.push(`import `);
    genNode(imports.exp, context);
    context.push(` from '${imports.path}'`);
    context.newline();
  });
}
function isText(n) {
  return shared.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) => shared.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 (shared.isString(node)) {
      push(node);
    } else if (shared.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 (shared.isString(node)) {
    context.push(node);
    return;
  }
  if (shared.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;
    case 22:
      genTemplateLiteral(node, context);
      break;
    case 23:
      genIfStatement(node, context);
      break;
    case 24:
      genAssignmentExpression(node, context);
      break;
    case 25:
      genSequenceExpression(node, context);
      break;
    case 26:
      genReturnStatement(node, context);
      break;
    case 10:
      break;
    default:
      {
        assert(false, `unhandled codegen node type: ${node.type}`);
        const exhaustiveCheck = node;
        return exhaustiveCheck;
      }
  }
}
function genText(node, context) {
  context.push(JSON.stringify(node.content), node);
}
function genExpression(node, context) {
  const { content, isStatic } = node;
  context.push(isStatic ? JSON.stringify(content) : content, node);
}
function genInterpolation(node, context) {
  const { push, helper, pure } = context;
  if (pure)
    push(PURE_ANNOTATION);
  push(`${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 (shared.isString(child)) {
      context.push(child);
    } 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, node);
  } else {
    push(`[${node.content}]`, node);
  }
}
function genComment(node, context) {
  const { push, helper, pure } = context;
  if (pure) {
    push(PURE_ANNOTATION);
  }
  push(`${helper(CREATE_COMMENT)}(${JSON.stringify(node.content)})`, node);
}
function genVNodeCall(node, context) {
  const { push, helper, pure } = context;
  const {
    tag,
    props,
    children,
    patchFlag,
    dynamicProps,
    directives,
    isBlock,
    disableTracking,
    isComponent
  } = node;
  if (directives) {
    push(helper(WITH_DIRECTIVES) + `(`);
  }
  if (isBlock) {
    push(`(${helper(OPEN_BLOCK)}(${disableTracking ? `true` : ``}), `);
  }
  if (pure) {
    push(PURE_ANNOTATION);
  }
  const callHelper = isBlock ? getVNodeBlockHelper(context.inSSR, isComponent) : getVNodeHelper(context.inSSR, isComponent);
  push(helper(callHelper) + `(`, node);
  genNodeList(
    genNullableArgs([tag, props, children, patchFlag, dynamicProps]),
    context
  );
  push(`)`);
  if (isBlock) {
    push(`)`);
  }
  if (directives) {
    push(`, `);
    genNode(directives, context);
    push(`)`);
  }
}
function genNullableArgs(args) {
  let i = args.length;
  while (i--) {
    if (args[i] != null)
      break;
  }
  return args.slice(0, i + 1).map((arg) => arg || `null`);
}
function genCallExpression(node, context) {
  const { push, helper, pure } = context;
  const callee = shared.isString(node.callee) ? node.callee : helper(node.callee);
  if (pure) {
    push(PURE_ANNOTATION);
  }
  push(callee + `(`, node);
  genNodeList(node.arguments, context);
  push(`)`);
}
function genObjectExpression(node, context) {
  const { push, indent, deindent, newline } = context;
  const { properties } = node;
  if (!properties.length) {
    push(`{}`, node);
    return;
  }
  const multilines = properties.length > 1 || properties.some((p) => p.value.type !== 4);
  push(multilines ? `{` : `{ `);
  multilines && indent();
  for (let i = 0; i < properties.length; i++) {
    const { key, value } = properties[i];
    genExpressionAsPropertyKey(key, context);
    push(`: `);
    genNode(value, context);
    if (i < properties.length - 1) {
      push(`,`);
      newline();
    }
  }
  multilines && deindent();
  push(multilines ? `}` : ` }`);
}
function genArrayExpression(node, context) {
  genNodeListAsArray(node.elements, context);
}
function genFunctionExpression(node, context) {
  const { push, indent, deindent } = context;
  const { params, returns, body, newline, isSlot } = node;
  if (isSlot) {
    push(`_${helperNameMap[WITH_CTX]}(`);
  }
  push(`(`, node);
  if (shared.isArray(params)) {
    genNodeList(params, context);
  } else if (params) {
    genNode(params, context);
  }
  push(`) => `);
  if (newline || body) {
    push(`{`);
    indent();
  }
  if (returns) {
    if (newline) {
      push(`return `);
    }
    if (shared.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;
  push(`_cache[${node.index}] || (`);
  if (node.isVNode) {
    indent();
    push(`${helper(SET_BLOCK_TRACKING)}(-1),`);
    newline();
  }
  push(`_cache[${node.index}] = `);
  genNode(node.value, context);
  if (node.isVNode) {
    push(`,`);
    newline();
    push(`${helper(SET_BLOCK_TRACKING)}(1),`);
    newline();
    push(`_cache[${node.index}]`);
    deindent();
  }
  push(`)`);
}
function genTemplateLiteral(node, context) {
  const { push, indent, deindent } = context;
  push("`");
  const l = node.elements.length;
  const multilines = l > 3;
  for (let i = 0; i < l; i++) {
    const e = node.elements[i];
    if (shared.isString(e)) {
      push(e.replace(/(`|\$|\\)/g, "\\$1"));
    } else {
      push("${");
      if (multilines)
        indent();
      genNode(e, context);
      if (multilines)
        deindent();
      push("}");
    }
  }
  push("`");
}
function genIfStatement(node, context) {
  const { push, indent, deindent } = context;
  const { test, consequent, alternate } = node;
  push(`if (`);
  genNode(test, context);
  push(`) {`);
  indent();
  genNode(consequent, context);
  deindent();
  push(`}`);
  if (alternate) {
    push(` else `);
    if (alternate.type === 23) {
      genIfStatement(alternate, context);
    } else {
      push(`{`);
      indent();
      genNode(alternate, context);
      deindent();
      push(`}`);
    }
  }
}
function genAssignmentExpression(node, context) {
  genNode(node.left, context);
  context.push(` = `);
  genNode(node.right, context);
}
function genSequenceExpression(node, context) {
  context.push(`(`);
  genNodeList(node.expressions, context);
  context.push(`)`);
}
function genReturnStatement({ returns }, context) {
  context.push(`return `);
  if (shared.isArray(returns)) {
    genNodeListAsArray(returns, context);
  } else {
    genNode(returns, context);
  }
}

function walkIdentifiers(root, onIdentifier, includeAll = false, parentStack = [], knownIds = /* @__PURE__ */ Object.create(null)) {
  const rootExp = root.type === "Program" && root.body[0].type === "ExpressionStatement" && root.body[0].expression;
  estreeWalker.walk(root, {
    enter(node, parent) {
      parent && parentStack.push(parent);
      if (parent && parent.type.startsWith("TS") && !TS_NODE_TYPES.includes(parent.type)) {
        return this.skip();
      }
      if (node.type === "Identifier") {
        const isLocal = !!knownIds[node.name];
        const isRefed = isReferencedIdentifier(node, parent, parentStack);
        if (includeAll || isRefed && !isLocal) {
          onIdentifier(node, parent, parentStack, isRefed, isLocal);
        }
      } else if (node.type === "ObjectProperty" && parent.type === "ObjectPattern") {
        node.inPattern = true;
      } else if (isFunctionType(node)) {
        walkFunctionParams(node, (id) => markScopeIdentifier(node, id, knownIds));
      } else if (node.type === "BlockStatement") {
        walkBlockDeclarations(
          node,
          (id) => markScopeIdentifier(node, id, knownIds)
        );
      }
    },
    leave(node, parent) {
      parent && parentStack.pop();
      if (node !== rootExp && node.scopeIds) {
        for (const id of node.scopeIds) {
          knownIds[id]--;
          if (knownIds[id] === 0) {
            delete knownIds[id];
          }
        }
      }
    }
  });
}
function isReferencedIdentifier(id, parent, parentStack) {
  if (!parent) {
    return true;
  }
  if (id.name === "arguments") {
    return false;
  }
  if (isReferenced(id, parent)) {
    return true;
  }
  switch (parent.type) {
    case "AssignmentExpression":
    case "AssignmentPattern":
      return true;
    case "ObjectPattern":
    case "ArrayPattern":
      return isInDestructureAssignment(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 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 (stmt.type === "ForOfStatement" || stmt.type === "ForInStatement" || stmt.type === "ForStatement") {
      const variable = stmt.type === "ForStatement" ? stmt.init : stmt.left;
      if (variable && variable.type === "VariableDeclaration") {
        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;
}
function markScopeIdentifier(node, child, knownIds) {
  const { name } = child;
  if (node.scopeIds && node.scopeIds.has(name)) {
    return;
  }
  if (name in knownIds) {
    knownIds[name]++;
  } else {
    knownIds[name] = 1;
  }
  (node.scopeIds || (node.scopeIds = /* @__PURE__ */ new Set())).add(name);
}
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;
function isReferenced(node, parent, grandparent) {
  switch (parent.type) {
    case "MemberExpression":
    case "OptionalMemberExpression":
      if (parent.property === node) {
        return !!parent.computed;
      }
      return parent.object === node;
    case "JSXMemberExpression":
      return parent.object === node;
    case "VariableDeclarator":
      return parent.init === node;
    case "ArrowFunctionExpression":
      return parent.body === node;
    case "PrivateName":
      return false;
    case "ClassMethod":
    case "ClassPrivateMethod":
    case "ObjectMethod":
      if (parent.key === node) {
        return !!parent.computed;
      }
      return false;
    case "ObjectProperty":
      if (parent.key === node) {
        return !!parent.computed;
      }
      return !grandparent || grandparent.type !== "ObjectPattern";
    case "ClassProperty":
      if (parent.key === node) {
        return !!parent.computed;
      }
      return true;
    case "ClassPrivateProperty":
      return parent.key !== node;
    case "ClassDeclaration":
    case "ClassExpression":
      return parent.superClass === node;
    case "AssignmentExpression":
      return parent.right === node;
    case "AssignmentPattern":
      return parent.right === node;
    case "LabeledStatement":
      return false;
    case "CatchClause":
      return false;
    case "RestElement":
      return false;
    case "BreakStatement":
    case "ContinueStatement":
      return false;
    case "FunctionDeclaration":
    case "FunctionExpression":
      return false;
    case "ExportNamespaceSpecifier":
    case "ExportDefaultSpecifier":
      return false;
    case "ExportSpecifier":
      if (grandparent == null ? void 0 : grandparent.source) {
        return false;
      }
      return parent.local === node;
    case "ImportDefaultSpecifier":
    case "ImportNamespaceSpecifier":
    case "ImportSpecifier":
      return false;
    case "ImportAttribute":
      return false;
    case "JSXAttribute":
      return false;
    case "ObjectPattern":
    case "ArrayPattern":
      return false;
    case "MetaProperty":
      return false;
    case "ObjectTypeProperty":
      return parent.key !== node;
    case "TSEnumMember":
      return parent.id !== node;
    case "TSPropertySignature":
      if (parent.key === node) {
        return !!parent.computed;
      }
      return true;
  }
  return true;
}
const TS_NODE_TYPES = [
  "TSAsExpression",
  // foo as number
  "TSTypeAssertion",
  // (<number>foo)
  "TSNonNullExpression",
  // foo!
  "TSInstantiationExpression",
  // foo<string>
  "TSSatisfiesExpression"
  // foo satisfies T
];

const isLiteralWhitelisted = /* @__PURE__ */ shared.makeMap("true,false,null,this");
const constantBailRE = /\w\s*\(|\.[^\d]/;
const transformExpression = (node, context) => {
  if (node.type === 5) {
    node.content = processExpression(
      node.content,
      context
    );
  } else if (node.type === 1) {
    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)) {
          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)) {
  if (!context.prefixIdentifiers || !node.content.trim()) {
    return node;
  }
  const { inline, bindingMetadata } = context;
  const rewriteIdentifier = (raw, parent, id) => {
    const type = shared.hasOwn(bindingMetadata, raw) && bindingMetadata[raw];
    if (inline) {
      const isAssignmentLVal = parent && parent.type === "AssignmentExpression" && parent.left === id;
      const isUpdateArg = parent && parent.type === "UpdateExpression" && parent.argument === id;
      const isDestructureAssignment = parent && isInDestructureAssignment(parent, parentStack);
      if (isConst(type) || type === "setup-reactive-const" || localVars[raw]) {
        return raw;
      } else if (type === "setup-ref") {
        return `${raw}.value`;
      } else if (type === "setup-maybe-ref") {
        return isAssignmentLVal || isUpdateArg || isDestructureAssignment ? `${raw}.value` : `${context.helperString(UNREF)}(${raw})`;
      } else if (type === "setup-let") {
        if (isAssignmentLVal) {
          const { right: rVal, operator } = parent;
          const rExp = rawExp.slice(rVal.start - 1, rVal.end - 1);
          const rExpString = stringifyExpression(
            processExpression(
              createSimpleExpression(rExp, false),
              context,
              false,
              false,
              knownIds
            )
          );
          return `${context.helperString(IS_REF)}(${raw})${context.isTS ? ` //@ts-ignore
` : ``} ? ${raw}.value ${operator} ${rExpString} : ${raw}`;
        } else if (isUpdateArg) {
          id.start = parent.start;
          id.end = parent.end;
          const { prefix: isPrefix, operator } = parent;
          const prefix = isPrefix ? operator : ``;
          const postfix = isPrefix ? `` : operator;
          return `${context.helperString(IS_REF)}(${raw})${context.isTS ? ` //@ts-ignore
` : ``} ? ${prefix}${raw}.value${postfix} : ${prefix}${raw}${postfix}`;
        } else if (isDestructureAssignment) {
          return raw;
        } else {
          return `${context.helperString(UNREF)}(${raw})`;
        }
      } else if (type === "props") {
        return shared.genPropsAccessExp(raw);
      } else if (type === "props-aliased") {
        return shared.genPropsAccessExp(bindingMetadata.__propsAliases[raw]);
      }
    } else {
      if (type && type.startsWith("setup") || type === "literal-const") {
        return `$setup.${raw}`;
      } else if (type === "props-aliased") {
        return `$props['${bindingMetadata.__propsAliases[raw]}']`;
      } else if (type) {
        return `$${type}.${raw}`;
      }
    }
    return `_ctx.${raw}`;
  };
  const rawExp = node.content;
  const bailConstant = constantBailRE.test(rawExp);
  if (isSimpleIdentifier(rawExp)) {
    const isScopeVarReference = context.identifiers[rawExp];
    const isAllowedGlobal = shared.isGloballyAllowed(rawExp);
    const isLiteral = isLiteralWhitelisted(rawExp);
    if (!asParams && !isScopeVarReference && !isLiteral && (!isAllowedGlobal || bindingMetadata[rawExp])) {
      if (isConst(bindingMetadata[rawExp])) {
        node.constType = 1;
      }
      node.content = rewriteIdentifier(rawExp);
    } else if (!isScopeVarReference) {
      if (isLiteral) {
        node.constType = 3;
      } else {
        node.constType = 2;
      }
    }
    return node;
  }
  let ast;
  const source = asRawStatements ? ` ${rawExp} ` : `(${rawExp})${asParams ? `=>{}` : ``}`;
  try {
    ast = parser.parse(source, {
      plugins: context.expressionPlugins
    }).program;
  } catch (e) {
    context.onError(
      createCompilerError(
        45,
        node.loc,
        void 0,
        e.message
      )
    );
    return node;
  }
  const ids = [];
  const parentStack = [];
  const knownIds = Object.create(context.identifiers);
  walkIdentifiers(
    ast,
    (node2, parent, _, isReferenced, isLocal) => {
      if (isStaticPropertyKey(node2, parent)) {
        return;
      }
      if (node2.name.startsWith("_filter_")) {
        return;
      }
      const needPrefix = isReferenced && canPrefix(node2);
      if (needPrefix && !isLocal) {
        if (isStaticProperty(parent) && parent.shorthand) {
          node2.prefix = `${node2.name}: `;
        }
        node2.name = rewriteIdentifier(node2.name, parent, node2);
        ids.push(node2);
      } else {
        if (!(needPrefix && isLocal) && !bailConstant) {
          node2.isConstant = true;
        }
        ids.push(node2);
      }
    },
    true,
    // invoke on ALL identifiers
    parentStack,
    knownIds
  );
  const children = [];
  ids.sort((a, b) => a.start - b.start);
  ids.forEach((id, i) => {
    const start = id.start - 1;
    const end = id.end - 1;
    const last = ids[i - 1];
    const leadingText = rawExp.slice(last ? last.end - 1 : 0, start);
    if (leadingText.length || id.prefix) {
      children.push(leadingText + (id.prefix || ``));
    }
    const source2 = rawExp.slice(start, end);
    children.push(
      createSimpleExpression(
        id.name,
        false,
        {
          source: source2,
          start: advancePositionWithClone(node.loc.start, source2, start),
          end: advancePositionWithClone(node.loc.start, source2, end)
        },
        id.isConstant ? 3 : 0
      )
    );
    if (i === ids.length - 1 && end < rawExp.length) {
      children.push(rawExp.slice(end));
    }
  });
  let ret;
  if (children.length) {
    ret = createCompoundExpression(children, node.loc);
  } else {
    ret = node;
    ret.constType = bailConstant ? 0 : 3;
  }
  ret.identifiers = Object.keys(knownIds);
  return ret;
}
function canPrefix(id) {
  if (shared.isGloballyAllowed(id.name)) {
    return false;
  }
  if (id.name === "require") {
    return false;
  }
  return true;
}
function stringifyExpression(exp) {
  if (shared.isString(exp)) {
    return exp;
  } else if (exp.type === 4) {
    return exp.content;
  } else {
    return exp.children.map(stringifyExpression).join("");
  }
}
function isConst(type) {
  return type === "setup-const" || type === "literal-const";
}

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 (context.prefixIdentifiers && dir.exp) {
    dir.exp = processExpression(dir.exp, context);
  }
  if (dir.name === "if") {
    const branch = createIfBranch(node, dir);
    const ifNode = {
      type: 9,
      loc: 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" && 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 && isBuiltInType(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;
      let patchFlagText = shared.PatchFlagNames[64];
      if (!branch.isTemplateIf && children.filter((c) => c.type !== 3).length === 1) {
        patchFlag |= 2048;
        patchFlagText += `, ${shared.PatchFlagNames[2048]}`;
      }
      return createVNodeCall(
        context,
        helper(FRAGMENT),
        createObjectExpression([keyProperty]),
        children,
        patchFlag + (` /* ${patchFlagText} */` ),
        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 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`);
      const keyExp = keyProp && (keyProp.type === 6 ? createSimpleExpression(keyProp.value.content, true) : keyProp.exp);
      const keyProperty = keyProp ? createObjectProperty(`key`, keyExp) : null;
      if (isTemplate) {
        if (memo) {
          memo.exp = processExpression(
            memo.exp,
            context
          );
        }
        if (keyProperty && keyProp.type !== 6) {
          keyProperty.value = processExpression(
            keyProperty.value,
            context
          );
        }
      }
      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 + (` /* ${shared.PatchFlagNames[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 + (` /* ${shared.PatchFlagNames[64]} */` ),
            void 0,
            void 0,
            true,
            void 0,
            false
            /* isComponent */
          );
        } 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++))
          );
        } else {
          renderExp.arguments.push(
            createFunctionExpression(
              createForLoopParams(forNode.parseResult),
              childBlock,
              true
              /* force newline */
            )
          );
        }
      };
    });
  }
);
function processFor(node, dir, context, processCodegen) {
  if (!dir.exp) {
    context.onError(
      createCompilerError(31, dir.loc)
    );
    return;
  }
  const parseResult = parseForExpression(
    // can only be simple expression because vFor transform is applied
    // before expression transform.
    dir.exp,
    context
  );
  if (!parseResult) {
    context.onError(
      createCompilerError(32, dir.loc)
    );
    return;
  }
  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++;
  if (context.prefixIdentifiers) {
    value && addIdentifiers(value);
    key && addIdentifiers(key);
    index && addIdentifiers(index);
  }
  const onExit = processCodegen && processCodegen(forNode);
  return () => {
    scopes.vFor--;
    if (context.prefixIdentifiers) {
      value && removeIdentifiers(value);
      key && removeIdentifiers(key);
      index && removeIdentifiers(index);
    }
    if (onExit)
      onExit();
  };
}
const forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
const stripParensRE = /^\(|\)$/g;
function parseForExpression(input, context) {
  const loc = input.loc;
  const exp = input.content;
  const inMatch = exp.match(forAliasRE);
  if (!inMatch)
    return;
  const [, LHS, RHS] = inMatch;
  const result = {
    source: createAliasExpression(
      loc,
      RHS.trim(),
      exp.indexOf(RHS, LHS.length)
    ),
    value: void 0,
    key: void 0,
    index: void 0
  };
  if (context.prefixIdentifiers) {
    result.source = processExpression(
      result.source,
      context
    );
  }
  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(loc, keyContent, keyOffset);
      if (context.prefixIdentifiers) {
        result.key = processExpression(result.key, context, true);
      }
    }
    if (iteratorMatch[2]) {
      const indexContent = iteratorMatch[2].trim();
      if (indexContent) {
        result.index = createAliasExpression(
          loc,
          indexContent,
          exp.indexOf(
            indexContent,
            result.key ? keyOffset + keyContent.length : trimmedOffset + valueContent.length
          )
        );
        if (context.prefixIdentifiers) {
          result.index = processExpression(result.index, context, true);
        }
      }
    }
  }
  if (valueContent) {
    result.value = createAliasExpression(loc, valueContent, trimmedOffset);
    if (context.prefixIdentifiers) {
      result.value = processExpression(result.value, context, true);
    }
  }
  return result;
}
function createAliasExpression(range, content, offset) {
  return createSimpleExpression(
    content,
    false,
    getInnerRange(range, offset, content.length)
  );
}
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) {
      const slotProps = vSlot.exp;
      if (context.prefixIdentifiers) {
        slotProps && context.addIdentifiers(slotProps);
      }
      context.scopes.vSlot++;
      return () => {
        if (context.prefixIdentifiers) {
          slotProps && context.removeIdentifiers(slotProps);
        }
        context.scopes.vSlot--;
      };
    }
  }
};
const trackVForSlotScopes = (node, context) => {
  let vFor;
  if (isTemplateNode(node) && node.props.some(isVSlot) && (vFor = findDir(node, "for"))) {
    const result = vFor.parseResult = parseForExpression(
      vFor.exp,
      context
    );
    if (result) {
      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;
  if (!context.ssr && context.prefixIdentifiers) {
    hasDynamicSlots = hasScopeRef(node, context.identifiers);
  }
  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 == null ? void 0 : vFor.exp,
      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) {
          break;
        }
      }
      if (prev && isTemplateNode(prev) && findDir(prev, "if")) {
        children.splice(i, 1);
        i--;
        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.parseResult || parseForExpression(vFor.exp, context);
      if (parseResult) {
        dynamicSlots.push(
          createCallExpression(context.helper(RENDER_LIST), [
            parseResult.source,
            createFunctionExpression(
              createForLoopParams(parseResult),
              buildDynamicSlot(slotName, slotFunction),
              true
              /* force newline */
            )
          ])
        );
      } 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 + (` /* ${shared.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 = shared.isObject(vnodeTag) && vnodeTag.callee === RESOLVE_DYNAMIC_COMPONENT;
    let vnodeProps;
    let vnodeChildren;
    let vnodePatchFlag;
    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")
    );
    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 (patchFlag !== 0) {
      {
        if (patchFlag < 0) {
          vnodePatchFlag = patchFlag + ` /* ${shared.PatchFlagNames[patchFlag]} */`;
        } else {
          const flagNames = Object.keys(shared.PatchFlagNames).map(Number).filter((n) => n > 0 && patchFlag & n).map((n) => shared.PatchFlagNames[n]).join(`, `);
          vnodePatchFlag = patchFlag + ` /* ${flagNames} */`;
        }
      }
      if (dynamicPropNames && dynamicPropNames.length) {
        vnodeDynamicProps = stringifyDynamicPropNames(dynamicPropNames);
      }
    }
    node.codegenNode = createVNodeCall(
      context,
      vnodeTag,
      vnodeProps,
      vnodeChildren,
      vnodePatchFlag,
      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");
  if (isProp) {
    if (isExplicitDynamic || isCompatEnabled(
      "COMPILER_IS_ON_ELEMENT",
      context
    )) {
      const exp = isProp.type === 6 ? isProp.value && createSimpleExpression(isProp.value.content, true) : isProp.exp;
      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 isDir = !isExplicitDynamic && findDir(node, "is");
  if (isDir && isDir.exp) {
    {
      context.onWarn(
        createCompilerError(52, isDir.loc)
      );
    }
    return createCallExpression(context.helper(RESOLVE_DYNAMIC_COMPONENT), [
      isDir.exp
    ]);
  }
  const builtIn = isCoreComponent(tag) || context.isBuiltInComponent(tag);
  if (builtIn) {
    if (!ssr)
      context.helper(builtIn);
    return builtIn;
  }
  {
    const fromSetup = resolveSetupReference(tag, context);
    if (fromSetup) {
      return fromSetup;
    }
    const dotIndex = tag.indexOf(".");
    if (dotIndex > 0) {
      const ns = resolveSetupReference(tag.slice(0, dotIndex), context);
      if (ns) {
        return ns + tag.slice(dotIndex);
      }
    }
  }
  if (context.selfName && shared.capitalize(shared.camelize(tag)) === context.selfName) {
    context.helper(RESOLVE_COMPONENT);
    context.components.add(tag + `__self`);
    return toValidAssetId(tag, `component`);
  }
  context.helper(RESOLVE_COMPONENT);
  context.components.add(tag);
  return toValidAssetId(tag, `component`);
}
function resolveSetupReference(name, context) {
  const bindings = context.bindingMetadata;
  if (!bindings || bindings.__isScriptSetup === false) {
    return;
  }
  const camelName = shared.camelize(name);
  const PascalName = shared.capitalize(camelName);
  const checkType = (type) => {
    if (bindings[name] === type) {
      return name;
    }
    if (bindings[camelName] === type) {
      return camelName;
    }
    if (bindings[PascalName] === type) {
      return PascalName;
    }
  };
  const fromConst = checkType("setup-const") || checkType("setup-reactive-const") || checkType("literal-const");
  if (fromConst) {
    return context.inline ? (
      // in inline mode, const setup bindings (e.g. imports) can be used as-is
      fromConst
    ) : `$setup[${JSON.stringify(fromConst)}]`;
  }
  const fromMaybeRef = checkType("setup-let") || checkType("setup-ref") || checkType("setup-maybe-ref");
  if (fromMaybeRef) {
    return context.inline ? (
      // setup scope bindings that may be refs need to be unrefed
      `${context.helperString(UNREF)}(${fromMaybeRef})`
    ) : `$setup[${JSON.stringify(fromMaybeRef)}]`;
  }
  const fromProps = checkType("props");
  if (fromProps) {
    return `${context.helperString(UNREF)}(${context.inline ? "__props" : "$props"}[${JSON.stringify(fromProps)}])`;
  }
}
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 analyzePatchFlag = ({ key, value }) => {
    if (isStaticExp(key)) {
      const name = key.content;
      const isEventHandler = shared.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
      !shared.isReservedProp(name)) {
        hasHydrationEventBinding = true;
      }
      if (isEventHandler && shared.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, value } = prop;
      let isStatic = true;
      if (name === "ref") {
        hasRef = true;
        if (context.scopes.vFor > 0) {
          properties.push(
            createObjectProperty(
              createSimpleExpression("ref_for", true),
              createSimpleExpression("true")
            )
          );
        }
        if (value && context.inline) {
          const binding = context.bindingMetadata[value.content];
          if (binding === "setup-let" || binding === "setup-ref" || binding === "setup-maybe-ref") {
            isStatic = false;
            properties.push(
              createObjectProperty(
                createSimpleExpression("ref_key", true),
                createSimpleExpression(value.content, true, value.loc)
              )
            );
          }
        }
      }
      if (name === "is" && (isComponentTag(tag) || value && value.content.startsWith("vue:") || isCompatEnabled(
        "COMPILER_IS_ON_ELEMENT",
        context
      ))) {
        continue;
      }
      properties.push(
        createObjectProperty(
          createSimpleExpression(
            name,
            true,
            getInnerRange(loc, 0, name.length)
          ),
          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") && context.scopes.vFor > 0) {
        properties.push(
          createObjectProperty(
            createSimpleExpression("ref_for", true),
            createSimpleExpression("true")
          )
        );
      }
      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" && !shared.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;
              }
            }
            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.includes("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 (shared.isSymbol(needRuntime)) {
            directiveImportMap.set(prop, needRuntime);
          }
        }
      } else if (!shared.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" || shared.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 {
    const fromSetup = resolveSetupReference("v-" + dir.name, context);
    if (fromSetup) {
      dirArgs.push(fromSetup);
    } 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 = shared.camelize(p.name);
          nonNameProps.push(p);
        }
      }
    } else {
      if (p.name === "bind" && isStaticArgOf(p.arg, "name")) {
        if (p.exp)
          slotName = p.exp;
      } else {
        if (p.name === "bind" && p.arg && isStaticExp(p.arg)) {
          p.arg.content = shared.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 fnExpRE = /^\s*([\w$_]+|(async\s*)?\([^)]*?\))\s*(:[^=]+)?=>|^\s*(async\s+)?function(?:\s+[\w$]+)?\s*\(/;
const transformOn = (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.onWarn(
          createCompilerError(51, arg.loc)
        );
      }
      if (rawName.startsWith("vue:")) {
        rawName = `vnode-${rawName.slice(4)}`;
      }
      const eventString = node.tagType !== 0 || rawName.startsWith("vnode") || !/[A-Z]/.test(rawName) ? (
        // for non-element and vnode lifecycle event listeners, auto convert
        // it to camelCase. See issue #2249
        shared.toHandlerKey(shared.camelize(rawName))
      ) : (
        // preserve case for plain element listeners that have uppercase
        // letters, as these may be custom elements' custom events
        `on:${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.content, context);
    const isInlineStatement = !(isMemberExp || fnExpRE.test(exp.content));
    const hasMultipleStatements = exp.content.includes(`;`);
    if (context.prefixIdentifiers) {
      isInlineStatement && context.addIdentifiers(`$event`);
      exp = dir.exp = processExpression(
        exp,
        context,
        false,
        hasMultipleStatements
      );
      isInlineStatement && context.removeIdentifiers(`$event`);
      shouldCache = context.cacheHandlers && // unnecessary to cache inside v-once
      !context.inVOnce && // runtime constants don't need to be cached
      // (this is analyzed by compileScript in SFC <script setup>)
      !(exp.type === 4 && exp.constType > 0) && // #1541 bail if this is a member exp handler passed to a component -
      // we need to use the original function to preserve arity,
      // e.g. <transition> relies on checking cb.length to determine
      // transition end handling. Inline function is ok since its arity
      // is preserved even when cached.
      !(isMemberExp && node.tagType === 1) && // bail if the function references closure variables (v-for, v-slot)
      // it must be passed fresh to avoid stale values.
      !hasScopeRef(exp, context.identifiers);
      if (shouldCache && isMemberExp) {
        if (exp.type === 4) {
          exp.content = `${exp.content} && ${exp.content}(...args)`;
        } else {
          exp.children = [...exp.children, ` && `, ...exp.children, `(...args)`];
        }
      }
    }
    if (isInlineStatement || shouldCache && isMemberExp) {
      exp = createCompoundExpression([
        `${isInlineStatement ? context.isTS ? `($event: any)` : `$event` : `${context.isTS ? `
//@ts-ignore
` : ``}(...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 transformBind = (dir, _node, context) => {
  const { exp, modifiers, loc } = dir;
  const arg = dir.arg;
  if (arg.type !== 4) {
    arg.children.unshift(`(`);
    arg.children.push(`) || ""`);
  } else if (!arg.isStatic) {
    arg.content = `${arg.content} || ""`;
  }
  if (modifiers.includes("camel")) {
    if (arg.type === 4) {
      if (arg.isStatic) {
        arg.content = shared.camelize(arg.content);
      } else {
        arg.content = `${context.helperString(CAMELIZE)}(${arg.content})`;
      }
    } else {
      arg.children.unshift(`${context.helperString(CAMELIZE)}(`);
      arg.children.push(`)`);
    }
  }
  if (!context.inSSR) {
    if (modifiers.includes("prop")) {
      injectPrefix(arg, ".");
    }
    if (modifiers.includes("attr")) {
      injectPrefix(arg, "^");
    }
  }
  if (!exp || exp.type === 4 && !exp.content.trim()) {
    context.onError(createCompilerError(34, loc));
    return {
      props: [createObjectProperty(arg, createSimpleExpression("", true, loc))]
    };
  }
  return {
    props: [createObjectProperty(arg, exp)]
  };
};
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 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 + (` /* ${shared.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
          /* isVNode */
        );
      }
    };
  }
};

const transformModel = (dir, node, context) => {
  const { exp, arg } = dir;
  if (!exp) {
    context.onError(
      createCompilerError(41, dir.loc)
    );
    return createTransformProps();
  }
  const rawExp = exp.loc.source;
  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();
  }
  const maybeRef = context.inline && (bindingType === "setup-let" || bindingType === "setup-ref" || bindingType === "setup-maybe-ref");
  if (!expString.trim() || !isMemberExpression(expString, context) && !maybeRef) {
    context.onError(
      createCompilerError(42, exp.loc)
    );
    return createTransformProps();
  }
  if (context.prefixIdentifiers && isSimpleIdentifier(expString) && context.identifiers[expString]) {
    context.onError(
      createCompilerError(43, exp.loc)
    );
    return createTransformProps();
  }
  const propName = arg ? arg : createSimpleExpression("modelValue", true);
  const eventName = arg ? isStaticExp(arg) ? `onUpdate:${shared.camelize(arg.content)}` : createCompoundExpression(['"onUpdate:" + ', arg]) : `onUpdate:modelValue`;
  let assignmentExp;
  const eventArg = context.isTS ? `($event: any)` : `$event`;
  if (maybeRef) {
    if (bindingType === "setup-ref") {
      assignmentExp = createCompoundExpression([
        `${eventArg} => ((`,
        createSimpleExpression(rawExp, false, exp.loc),
        `).value = $event)`
      ]);
    } else {
      const altAssignment = bindingType === "setup-let" ? `${rawExp} = $event` : `null`;
      assignmentExp = createCompoundExpression([
        `${eventArg} => (${context.helperString(IS_REF)}(${rawExp}) ? (`,
        createSimpleExpression(rawExp, false, exp.loc),
        `).value = $event : ${altAssignment})`
      ]);
    }
  } else {
    assignmentExp = createCompoundExpression([
      `${eventArg} => ((`,
      exp,
      `) = $event)`
    ]);
  }
  const props = [
    // modelValue: foo
    createObjectProperty(propName, dir.exp),
    // "onUpdate:modelValue": $event => (foo = $event)
    createObjectProperty(eventName, assignmentExp)
  ];
  if (context.prefixIdentifiers && !context.inVOnce && context.cacheHandlers && !hasScopeRef(exp, context.identifiers)) {
    props[1].value = context.cache(props[1].value);
  }
  if (dir.modifiers.length && node.tagType === 1) {
    const modifiers = dir.modifiers.map((m) => (isSimpleIdentifier(m) ? m : JSON.stringify(m)) + `: true`).join(`, `);
    const modifiersKey = arg ? isStaticExp(arg) ? `${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_FILTER", context)) {
    return;
  }
  if (node.type === 5) {
    rewriteFilter(node.content, context);
  }
  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_FILTER",
      context,
      node.loc
    );
    for (i = 0; i < filters.length; i++) {
      expression = wrapFilter(expression, filters[i], context);
    }
    node.content = expression;
  }
}
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)) {
      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++)
        ]);
      }
    };
  }
};

function getBaseTransformPreset(prefixIdentifiers) {
  return [
    [
      transformOnce,
      transformIf,
      transformMemo,
      transformFor,
      ...[transformFilter] ,
      ...prefixIdentifiers ? [
        // order is important
        trackVForSlotScopes,
        transformExpression
      ] : [],
      transformSlotOutlet,
      transformElement,
      trackSlotScopes,
      transformText
    ],
    {
      on: transformOn,
      bind: transformBind,
      model: transformModel
    }
  ];
}
function baseCompile(template, options = {}) {
  const onError = options.onError || defaultOnError;
  const isModuleMode = options.mode === "module";
  const prefixIdentifiers = options.prefixIdentifiers === true || isModuleMode;
  if (!prefixIdentifiers && options.cacheHandlers) {
    onError(createCompilerError(49));
  }
  if (options.scopeId && !isModuleMode) {
    onError(createCompilerError(50));
  }
  const ast = shared.isString(template) ? baseParse(template, options) : template;
  const [nodeTransforms, directiveTransforms] = getBaseTransformPreset(prefixIdentifiers);
  if (options.isTS) {
    const { expressionPlugins } = options;
    if (!expressionPlugins || !expressionPlugins.includes("typescript")) {
      options.expressionPlugins = [...expressionPlugins || [], "typescript"];
    }
  }
  transform(
    ast,
    shared.extend({}, options, {
      prefixIdentifiers,
      nodeTransforms: [
        ...nodeTransforms,
        ...options.nodeTransforms || []
        // user transforms
      ],
      directiveTransforms: shared.extend(
        {},
        directiveTransforms,
        options.directiveTransforms || {}
        // user transforms
      )
    })
  );
  return generate(
    ast,
    shared.extend({}, options, {
      prefixIdentifiers
    })
  );
}

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

exports.generateCodeFrame = shared.generateCodeFrame;
exports.BASE_TRANSITION = BASE_TRANSITION;
exports.CAMELIZE = CAMELIZE;
exports.CAPITALIZE = CAPITALIZE;
exports.CREATE_BLOCK = CREATE_BLOCK;
exports.CREATE_COMMENT = CREATE_COMMENT;
exports.CREATE_ELEMENT_BLOCK = CREATE_ELEMENT_BLOCK;
exports.CREATE_ELEMENT_VNODE = CREATE_ELEMENT_VNODE;
exports.CREATE_SLOTS = CREATE_SLOTS;
exports.CREATE_STATIC = CREATE_STATIC;
exports.CREATE_TEXT = CREATE_TEXT;
exports.CREATE_VNODE = CREATE_VNODE;
exports.FRAGMENT = FRAGMENT;
exports.GUARD_REACTIVE_PROPS = GUARD_REACTIVE_PROPS;
exports.IS_MEMO_SAME = IS_MEMO_SAME;
exports.IS_REF = IS_REF;
exports.KEEP_ALIVE = KEEP_ALIVE;
exports.MERGE_PROPS = MERGE_PROPS;
exports.NORMALIZE_CLASS = NORMALIZE_CLASS;
exports.NORMALIZE_PROPS = NORMALIZE_PROPS;
exports.NORMALIZE_STYLE = NORMALIZE_STYLE;
exports.OPEN_BLOCK = OPEN_BLOCK;
exports.POP_SCOPE_ID = POP_SCOPE_ID;
exports.PUSH_SCOPE_ID = PUSH_SCOPE_ID;
exports.RENDER_LIST = RENDER_LIST;
exports.RENDER_SLOT = RENDER_SLOT;
exports.RESOLVE_COMPONENT = RESOLVE_COMPONENT;
exports.RESOLVE_DIRECTIVE = RESOLVE_DIRECTIVE;
exports.RESOLVE_DYNAMIC_COMPONENT = RESOLVE_DYNAMIC_COMPONENT;
exports.RESOLVE_FILTER = RESOLVE_FILTER;
exports.SET_BLOCK_TRACKING = SET_BLOCK_TRACKING;
exports.SUSPENSE = SUSPENSE;
exports.TELEPORT = TELEPORT;
exports.TO_DISPLAY_STRING = TO_DISPLAY_STRING;
exports.TO_HANDLERS = TO_HANDLERS;
exports.TO_HANDLER_KEY = TO_HANDLER_KEY;
exports.TS_NODE_TYPES = TS_NODE_TYPES;
exports.UNREF = UNREF;
exports.WITH_CTX = WITH_CTX;
exports.WITH_DIRECTIVES = WITH_DIRECTIVES;
exports.WITH_MEMO = WITH_MEMO;
exports.advancePositionWithClone = advancePositionWithClone;
exports.advancePositionWithMutation = advancePositionWithMutation;
exports.assert = assert;
exports.baseCompile = baseCompile;
exports.baseParse = baseParse;
exports.buildDirectiveArgs = buildDirectiveArgs;
exports.buildProps = buildProps;
exports.buildSlots = buildSlots;
exports.checkCompatEnabled = checkCompatEnabled;
exports.convertToBlock = convertToBlock;
exports.createArrayExpression = createArrayExpression;
exports.createAssignmentExpression = createAssignmentExpression;
exports.createBlockStatement = createBlockStatement;
exports.createCacheExpression = createCacheExpression;
exports.createCallExpression = createCallExpression;
exports.createCompilerError = createCompilerError;
exports.createCompoundExpression = createCompoundExpression;
exports.createConditionalExpression = createConditionalExpression;
exports.createForLoopParams = createForLoopParams;
exports.createFunctionExpression = createFunctionExpression;
exports.createIfStatement = createIfStatement;
exports.createInterpolation = createInterpolation;
exports.createObjectExpression = createObjectExpression;
exports.createObjectProperty = createObjectProperty;
exports.createReturnStatement = createReturnStatement;
exports.createRoot = createRoot;
exports.createSequenceExpression = createSequenceExpression;
exports.createSimpleExpression = createSimpleExpression;
exports.createStructuralDirectiveTransform = createStructuralDirectiveTransform;
exports.createTemplateLiteral = createTemplateLiteral;
exports.createTransformContext = createTransformContext;
exports.createVNodeCall = createVNodeCall;
exports.extractIdentifiers = extractIdentifiers;
exports.findDir = findDir;
exports.findProp = findProp;
exports.forAliasRE = forAliasRE;
exports.generate = generate;
exports.getBaseTransformPreset = getBaseTransformPreset;
exports.getConstantType = getConstantType;
exports.getInnerRange = getInnerRange;
exports.getMemoedVNodeCall = getMemoedVNodeCall;
exports.getVNodeBlockHelper = getVNodeBlockHelper;
exports.getVNodeHelper = getVNodeHelper;
exports.hasDynamicKeyVBind = hasDynamicKeyVBind;
exports.hasScopeRef = hasScopeRef;
exports.helperNameMap = helperNameMap;
exports.injectProp = injectProp;
exports.isBuiltInType = isBuiltInType;
exports.isCoreComponent = isCoreComponent;
exports.isFunctionType = isFunctionType;
exports.isInDestructureAssignment = isInDestructureAssignment;
exports.isMemberExpression = isMemberExpression;
exports.isMemberExpressionBrowser = isMemberExpressionBrowser;
exports.isMemberExpressionNode = isMemberExpressionNode;
exports.isReferencedIdentifier = isReferencedIdentifier;
exports.isSimpleIdentifier = isSimpleIdentifier;
exports.isSlotOutlet = isSlotOutlet;
exports.isStaticArgOf = isStaticArgOf;
exports.isStaticExp = isStaticExp;
exports.isStaticProperty = isStaticProperty;
exports.isStaticPropertyKey = isStaticPropertyKey;
exports.isTemplateNode = isTemplateNode;
exports.isText = isText$1;
exports.isVSlot = isVSlot;
exports.locStub = locStub;
exports.noopDirectiveTransform = noopDirectiveTransform;
exports.processExpression = processExpression;
exports.processFor = processFor;
exports.processIf = processIf;
exports.processSlotOutlet = processSlotOutlet;
exports.registerRuntimeHelpers = registerRuntimeHelpers;
exports.resolveComponentType = resolveComponentType;
exports.stringifyExpression = stringifyExpression;
exports.toValidAssetId = toValidAssetId;
exports.trackSlotScopes = trackSlotScopes;
exports.trackVForSlotScopes = trackVForSlotScopes;
exports.transform = transform;
exports.transformBind = transformBind;
exports.transformElement = transformElement;
exports.transformExpression = transformExpression;
exports.transformModel = transformModel;
exports.transformOn = transformOn;
exports.traverseNode = traverseNode;
exports.walkBlockDeclarations = walkBlockDeclarations;
exports.walkFunctionParams = walkFunctionParams;
exports.walkIdentifiers = walkIdentifiers;
exports.warnDeprecation = warnDeprecation;