// node_modules/@ungap/structured-clone/esm/types.js
var VOID = -1;
var PRIMITIVE = 0;
var ARRAY = 1;
var OBJECT = 2;
var DATE = 3;
var REGEXP = 4;
var MAP = 5;
var SET = 6;
var ERROR = 7;
var BIGINT = 8;

// node_modules/@ungap/structured-clone/esm/deserialize.js
var env = typeof self === "object" ? self : globalThis;
var deserializer = ($, _) => {
  const as = (out, index) => {
    $.set(index, out);
    return out;
  };
  const unpair = (index) => {
    if ($.has(index))
      return $.get(index);
    const [type, value] = _[index];
    switch (type) {
      case PRIMITIVE:
      case VOID:
        return as(value, index);
      case ARRAY: {
        const arr = as([], index);
        for (const index2 of value)
          arr.push(unpair(index2));
        return arr;
      }
      case OBJECT: {
        const object = as({}, index);
        for (const [key, index2] of value)
          object[unpair(key)] = unpair(index2);
        return object;
      }
      case DATE:
        return as(new Date(value), index);
      case REGEXP: {
        const { source, flags } = value;
        return as(new RegExp(source, flags), index);
      }
      case MAP: {
        const map = as(/* @__PURE__ */ new Map(), index);
        for (const [key, index2] of value)
          map.set(unpair(key), unpair(index2));
        return map;
      }
      case SET: {
        const set = as(/* @__PURE__ */ new Set(), index);
        for (const index2 of value)
          set.add(unpair(index2));
        return set;
      }
      case ERROR: {
        const { name, message } = value;
        return as(new env[name](message), index);
      }
      case BIGINT:
        return as(BigInt(value), index);
      case "BigInt":
        return as(Object(BigInt(value)), index);
      case "ArrayBuffer":
        return as(new Uint8Array(value).buffer, value);
      case "DataView": {
        const { buffer } = new Uint8Array(value);
        return as(new DataView(buffer), value);
      }
    }
    return as(new env[type](value), index);
  };
  return unpair;
};
var deserialize = (serialized) => deserializer(/* @__PURE__ */ new Map(), serialized)(0);

// node_modules/@ungap/structured-clone/esm/serialize.js
var EMPTY = "";
var { toString } = {};
var { keys } = Object;
var typeOf = (value) => {
  const type = typeof value;
  if (type !== "object" || !value)
    return [PRIMITIVE, type];
  const asString = toString.call(value).slice(8, -1);
  switch (asString) {
    case "Array":
      return [ARRAY, EMPTY];
    case "Object":
      return [OBJECT, EMPTY];
    case "Date":
      return [DATE, EMPTY];
    case "RegExp":
      return [REGEXP, EMPTY];
    case "Map":
      return [MAP, EMPTY];
    case "Set":
      return [SET, EMPTY];
    case "DataView":
      return [ARRAY, asString];
  }
  if (asString.includes("Array"))
    return [ARRAY, asString];
  if (asString.includes("Error"))
    return [ERROR, asString];
  return [OBJECT, asString];
};
var shouldSkip = ([TYPE, type]) => TYPE === PRIMITIVE && (type === "function" || type === "symbol");
var serializer = (strict, json, $, _) => {
  const as = (out, value) => {
    const index = _.push(out) - 1;
    $.set(value, index);
    return index;
  };
  const pair = (value) => {
    if ($.has(value))
      return $.get(value);
    let [TYPE, type] = typeOf(value);
    switch (TYPE) {
      case PRIMITIVE: {
        let entry = value;
        switch (type) {
          case "bigint":
            TYPE = BIGINT;
            entry = value.toString();
            break;
          case "function":
          case "symbol":
            if (strict)
              throw new TypeError("unable to serialize " + type);
            entry = null;
            break;
          case "undefined":
            return as([VOID], value);
        }
        return as([TYPE, entry], value);
      }
      case ARRAY: {
        if (type) {
          let spread = value;
          if (type === "DataView") {
            spread = new Uint8Array(value.buffer);
          } else if (type === "ArrayBuffer") {
            spread = new Uint8Array(value);
          }
          return as([type, [...spread]], value);
        }
        const arr = [];
        const index = as([TYPE, arr], value);
        for (const entry of value)
          arr.push(pair(entry));
        return index;
      }
      case OBJECT: {
        if (type) {
          switch (type) {
            case "BigInt":
              return as([type, value.toString()], value);
            case "Boolean":
            case "Number":
            case "String":
              return as([type, value.valueOf()], value);
          }
        }
        if (json && "toJSON" in value)
          return pair(value.toJSON());
        const entries = [];
        const index = as([TYPE, entries], value);
        for (const key of keys(value)) {
          if (strict || !shouldSkip(typeOf(value[key])))
            entries.push([pair(key), pair(value[key])]);
        }
        return index;
      }
      case DATE:
        return as([TYPE, value.toISOString()], value);
      case REGEXP: {
        const { source, flags } = value;
        return as([TYPE, { source, flags }], value);
      }
      case MAP: {
        const entries = [];
        const index = as([TYPE, entries], value);
        for (const [key, entry] of value) {
          if (strict || !(shouldSkip(typeOf(key)) || shouldSkip(typeOf(entry))))
            entries.push([pair(key), pair(entry)]);
        }
        return index;
      }
      case SET: {
        const entries = [];
        const index = as([TYPE, entries], value);
        for (const entry of value) {
          if (strict || !shouldSkip(typeOf(entry)))
            entries.push(pair(entry));
        }
        return index;
      }
    }
    const { message } = value;
    return as([TYPE, { name: type, message }], value);
  };
  return pair;
};
var serialize = (value, { json, lossy } = {}) => {
  const _ = [];
  return serializer(!(json || lossy), !!json, /* @__PURE__ */ new Map(), _)(value), _;
};

// node_modules/@ungap/structured-clone/esm/index.js
var esm_default = typeof structuredClone === "function" ? (
  /* c8 ignore start */
  (any, options) => options && ("json" in options || "lossy" in options) ? deserialize(serialize(any, options)) : structuredClone(any)
) : (any, options) => deserialize(serialize(any, options));

// node_modules/unist-util-position/lib/index.js
var pointEnd = point("end");
var pointStart = point("start");
function point(type) {
  return point2;
  function point2(node) {
    const point3 = node && node.position && node.position[type] || {};
    if (typeof point3.line === "number" && point3.line > 0 && typeof point3.column === "number" && point3.column > 0) {
      return {
        line: point3.line,
        column: point3.column,
        offset: typeof point3.offset === "number" && point3.offset > -1 ? point3.offset : void 0
      };
    }
  }
}
function position(node) {
  const start = pointStart(node);
  const end = pointEnd(node);
  if (start && end) {
    return { start, end };
  }
}

export {
  pointEnd,
  pointStart,
  position,
  esm_default
};
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