"use strict";

exports.__esModule = true;
exports["default"] = void 0;
var _util = require("../util");
var _node = _interopRequireDefault(require("./node"));
var types = _interopRequireWildcard(require("./types"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, "default": e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) { "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); } return f; })(e, t); }
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
function _createForOfIteratorHelperLoose(r, e) { var t = "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (t) return (t = t.call(r)).next.bind(t); if (Array.isArray(r) || (t = _unsupportedIterableToArray(r)) || e && r && "number" == typeof r.length) { t && (r = t); var o = 0; return function () { return o >= r.length ? { done: !0 } : { done: !1, value: r[o++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) { n[e] = r[e]; } return n; }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != typeof t || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != typeof i) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _inheritsLoose(t, o) { t.prototype = Object.create(o.prototype), t.prototype.constructor = t, _setPrototypeOf(t, o); }
function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
var Container = exports["default"] = /*#__PURE__*/function (_Node) {
  _inheritsLoose(Container, _Node);
  function Container(opts) {
    var _this;
    _this = _Node.call(this, opts) || this;
    if (!_this.nodes) {
      _this.nodes = [];
    }
    return _this;
  }
  var _proto = Container.prototype;
  _proto.append = function append(selector) {
    selector.parent = this;
    this.nodes.push(selector);
    return this;
  };
  _proto.prepend = function prepend(selector) {
    selector.parent = this;
    this.nodes.unshift(selector);
    return this;
  };
  _proto.at = function at(index) {
    return this.nodes[index];
  };
  _proto.index = function index(child) {
    if (typeof child === 'number') {
      return child;
    }
    return this.nodes.indexOf(child);
  };
  _proto.removeChild = function removeChild(child) {
    child = this.index(child);
    this.at(child).parent = undefined;
    this.nodes.splice(child, 1);
    var index;
    for (var id in this.indexes) {
      index = this.indexes[id];
      if (index >= child) {
        this.indexes[id] = index - 1;
      }
    }
    return this;
  };
  _proto.removeAll = function removeAll() {
    for (var _iterator = _createForOfIteratorHelperLoose(this.nodes), _step; !(_step = _iterator()).done;) {
      var node = _step.value;
      node.parent = undefined;
    }
    this.nodes = [];
    return this;
  };
  _proto.empty = function empty() {
    return this.removeAll();
  };
  _proto.insertAfter = function insertAfter(oldNode, newNode) {
    newNode.parent = this;
    var oldIndex = this.index(oldNode);
    this.nodes.splice(oldIndex + 1, 0, newNode);
    newNode.parent = this;
    var index;
    for (var id in this.indexes) {
      index = this.indexes[id];
      if (oldIndex <= index) {
        this.indexes[id] = index + 1;
      }
    }
    return this;
  };
  _proto.insertBefore = function insertBefore(oldNode, newNode) {
    newNode.parent = this;
    var oldIndex = this.index(oldNode);
    this.nodes.splice(oldIndex, 0, newNode);
    newNode.parent = this;
    var index;
    for (var id in this.indexes) {
      index = this.indexes[id];
      if (index <= oldIndex) {
        this.indexes[id] = index + 1;
      }
    }
    return this;
  };
  _proto._findChildAtPosition = function _findChildAtPosition(line, col) {
    var found = undefined;
    this.each(function (node) {
      if (node.atPosition) {
        var foundChild = node.atPosition(line, col);
        if (foundChild) {
          found = foundChild;
          return false;
        }
      } else if (node.isAtPosition(line, col)) {
        found = node;
        return false;
      }
    });
    return found;
  }

  /**
   * Return the most specific node at the line and column number given.
   * The source location is based on the original parsed location, locations aren't
   * updated as selector nodes are mutated.
   * 
   * Note that this location is relative to the location of the first character
   * of the selector, and not the location of the selector in the overall document
   * when used in conjunction with postcss.
   *
   * If not found, returns undefined.
   * @param {number} line The line number of the node to find. (1-based index)
   * @param {number} col  The column number of the node to find. (1-based index)
   */;
  _proto.atPosition = function atPosition(line, col) {
    if (this.isAtPosition(line, col)) {
      return this._findChildAtPosition(line, col) || this;
    } else {
      return undefined;
    }
  };
  _proto._inferEndPosition = function _inferEndPosition() {
    if (this.last && this.last.source && this.last.source.end) {
      this.source = this.source || {};
      this.source.end = this.source.end || {};
      Object.assign(this.source.end, this.last.source.end);
    }
  };
  _proto.each = function each(callback) {
    if (!this.lastEach) {
      this.lastEach = 0;
    }
    if (!this.indexes) {
      this.indexes = {};
    }
    this.lastEach++;
    var id = this.lastEach;
    this.indexes[id] = 0;
    if (!this.length) {
      return undefined;
    }
    var index, result;
    while (this.indexes[id] < this.length) {
      index = this.indexes[id];
      result = callback(this.at(index), index);
      if (result === false) {
        break;
      }
      this.indexes[id] += 1;
    }
    delete this.indexes[id];
    if (result === false) {
      return false;
    }
  };
  _proto.walk = function walk(callback, depth) {
    if (depth === void 0) {
      depth = 0;
    }
    // Bound recursion so a pathologically deep node tree raises a catchable
    // error instead of overflowing the call stack (CVE-2026-9358 / CWE-674).
    if (depth > _util.MAX_NESTING_DEPTH) {
      throw new Error("Cannot walk selector: nesting depth exceeds the maximum of " + _util.MAX_NESTING_DEPTH + ".");
    }
    return this.each(function (node, i) {
      var result = callback(node, i);
      if (result !== false && node.length) {
        result = node.walk(callback, depth + 1);
      }
      if (result === false) {
        return false;
      }
    });
  };
  _proto.walkAttributes = function walkAttributes(callback) {
    var _this2 = this;
    return this.walk(function (selector) {
      if (selector.type === types.ATTRIBUTE) {
        return callback.call(_this2, selector);
      }
    });
  };
  _proto.walkClasses = function walkClasses(callback) {
    var _this3 = this;
    return this.walk(function (selector) {
      if (selector.type === types.CLASS) {
        return callback.call(_this3, selector);
      }
    });
  };
  _proto.walkCombinators = function walkCombinators(callback) {
    var _this4 = this;
    return this.walk(function (selector) {
      if (selector.type === types.COMBINATOR) {
        return callback.call(_this4, selector);
      }
    });
  };
  _proto.walkComments = function walkComments(callback) {
    var _this5 = this;
    return this.walk(function (selector) {
      if (selector.type === types.COMMENT) {
        return callback.call(_this5, selector);
      }
    });
  };
  _proto.walkIds = function walkIds(callback) {
    var _this6 = this;
    return this.walk(function (selector) {
      if (selector.type === types.ID) {
        return callback.call(_this6, selector);
      }
    });
  };
  _proto.walkNesting = function walkNesting(callback) {
    var _this7 = this;
    return this.walk(function (selector) {
      if (selector.type === types.NESTING) {
        return callback.call(_this7, selector);
      }
    });
  };
  _proto.walkPseudos = function walkPseudos(callback) {
    var _this8 = this;
    return this.walk(function (selector) {
      if (selector.type === types.PSEUDO) {
        return callback.call(_this8, selector);
      }
    });
  };
  _proto.walkTags = function walkTags(callback) {
    var _this9 = this;
    return this.walk(function (selector) {
      if (selector.type === types.TAG) {
        return callback.call(_this9, selector);
      }
    });
  };
  _proto.walkUniversals = function walkUniversals(callback) {
    var _this0 = this;
    return this.walk(function (selector) {
      if (selector.type === types.UNIVERSAL) {
        return callback.call(_this0, selector);
      }
    });
  };
  _proto.split = function split(callback) {
    var _this1 = this;
    var current = [];
    return this.reduce(function (memo, node, index) {
      var split = callback.call(_this1, node);
      current.push(node);
      if (split) {
        memo.push(current);
        current = [];
      } else if (index === _this1.length - 1) {
        memo.push(current);
      }
      return memo;
    }, []);
  };
  _proto.map = function map(callback) {
    return this.nodes.map(callback);
  };
  _proto.reduce = function reduce(callback, memo) {
    return this.nodes.reduce(callback, memo);
  };
  _proto.every = function every(callback) {
    return this.nodes.every(callback);
  };
  _proto.some = function some(callback) {
    return this.nodes.some(callback);
  };
  _proto.filter = function filter(callback) {
    return this.nodes.filter(callback);
  };
  _proto.sort = function sort(callback) {
    return this.nodes.sort(callback);
  };
  _proto.toString = function toString(options) {
    if (options === void 0) {
      options = {};
    }
    return this._stringify(options, 0, (0, _util.resolveMaxNestingDepth)(options.maxNestingDepth));
  };
  _proto._stringify = function _stringify(options, depth, max) {
    var _this10 = this;
    return this.map(function (child) {
      return _this10._stringifyChild(child, options, depth, max);
    }).join('');
  }

  // Serialize a child node. Historically `toString` used `this.map(String)`,
  // which leniently coerced anything — including raw arrays inserted via
  // `replaceWith(array)` / `insertBefore` / `insertAfter` (e.g. Tailwind's
  // `:merge()` expansion). Fall back to `String(child)` for values that are
  // not parser nodes so that behaviour is preserved.
;
  _proto._stringifyChild = function _stringifyChild(child, options, depth, max) {
    return typeof child._stringify === 'function' ? child._stringify(options, depth, max) : String(child);
  };
  _createClass(Container, [{
    key: "first",
    get: function get() {
      return this.at(0);
    }
  }, {
    key: "last",
    get: function get() {
      return this.at(this.length - 1);
    }
  }, {
    key: "length",
    get: function get() {
      return this.nodes.length;
    }
  }]);
  return Container;
}(_node["default"]);
module.exports = exports.default;