code:
/**
* @vue/compiler-dom v3.4.31
* (c) 2018-present Yuxi (Evan) You and Vue contributors
* @license MIT
**/
import { registerRuntimeHelpers, createSimpleExpression, createCompilerError, createObjectProperty, getConstantType, createCallExpression, TO_DISPLAY_STRING, transformModel as transformModel$1, findProp, hasDynamicKeyVBind, findDir, isStaticArgOf, transformOn as transformOn$1, isStaticExp, createCompoundExpression, checkCompatEnabled, noopDirectiveTransform, baseCompile, baseParse } from '@vue/compiler-core';
export * from '@vue/compiler-core';
import { isVoidTag, isHTMLTag, isSVGTag, isMathMLTag, parseStringStyle, capitalize, makeMap, extend } from '@vue/shared';

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

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

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

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

function createDOMCompilerError(code, loc) {
  return createCompilerError(
    code,
    loc,
    !!(process.env.NODE_ENV !== "production") || false ? DOMErrorMessages : void 0
  );
}
const DOMErrorCodes = {
  "X_V_HTML_NO_EXPRESSION": 53,
  "53": "X_V_HTML_NO_EXPRESSION",
  "X_V_HTML_WITH_CHILDREN": 54,
  "54": "X_V_HTML_WITH_CHILDREN",
  "X_V_TEXT_NO_EXPRESSION": 55,
  "55": "X_V_TEXT_NO_EXPRESSION",
  "X_V_TEXT_WITH_CHILDREN": 56,
  "56": "X_V_TEXT_WITH_CHILDREN",
  "X_V_MODEL_ON_INVALID_ELEMENT": 57,
  "57": "X_V_MODEL_ON_INVALID_ELEMENT",
  "X_V_MODEL_ARG_ON_ELEMENT": 58,
  "58": "X_V_MODEL_ARG_ON_ELEMENT",
  "X_V_MODEL_ON_FILE_INPUT_ELEMENT": 59,
  "59": "X_V_MODEL_ON_FILE_INPUT_ELEMENT",
  "X_V_MODEL_UNNECESSARY_VALUE": 60,
  "60": "X_V_MODEL_UNNECESSARY_VALUE",
  "X_V_SHOW_NO_EXPRESSION": 61,
  "61": "X_V_SHOW_NO_EXPRESSION",
  "X_TRANSITION_INVALID_CHILDREN": 62,
  "62": "X_TRANSITION_INVALID_CHILDREN",
  "X_IGNORED_SIDE_EFFECT_TAG": 63,
  "63": "X_IGNORED_SIDE_EFFECT_TAG",
  "__EXTEND_POINT__": 64,
  "64": "__EXTEND_POINT__"
};
const DOMErrorMessages = {
  [53]: `v-html is missing expression.`,
  [54]: `v-html will override element children.`,
  [55]: `v-text is missing expression.`,
  [56]: `v-text will override element children.`,
  [57]: `v-model can only be used on <input>, <textarea> and <select> elements.`,
  [58]: `v-model argument is not supported on plain elements.`,
  [59]: `v-model cannot be used on file inputs since they are read-only. Use a v-on:change listener instead.`,
  [60]: `Unnecessary value binding used alongside v-model. It will interfere with v-model's behavior.`,
  [61]: `v-show is missing expression.`,
  [62]: `<Transition> expects exactly one child element or component.`,
  [63]: `Tags with side effect (<script> and <style>) are ignored in client component templates.`
};

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

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

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

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

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

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

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

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

export { DOMDirectiveTransforms, DOMErrorCodes, DOMErrorMessages, DOMNodeTransforms, TRANSITION, TRANSITION_GROUP, V_MODEL_CHECKBOX, V_MODEL_DYNAMIC, V_MODEL_RADIO, V_MODEL_SELECT, V_MODEL_TEXT, V_ON_WITH_KEYS, V_ON_WITH_MODIFIERS, V_SHOW, compile, createDOMCompilerError, parse, parserOptions, transformStyle };