udemy-react/02/node_modules/postcss-selector-parser/dist/selectors/container.js

"use strict";

exports.__esModule = true;
exports.default = void 0;

var _node = _interopRequireDefault(require("./node"));

var types = _interopRequireWildcard(require("./types"));

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; subClass.__proto__ = superClass; }

var Container =
/*#__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 = this.nodes, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
      var _ref;

      if (_isArray) {
        if (_i >= _iterator.length) break;
        _ref = _iterator[_i++];
      } else {
        _i = _iterator.next();
        if (_i.done) break;
        _ref = _i.value;
      }

      var node = _ref;
      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) {
    return this.each(function (node, i) {
      var result = callback(node, i);

      if (result !== false && node.length) {
        result = node.walk(callback);
      }

      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 _this10 = this;

    return this.walk(function (selector) {
      if (selector.type === types.UNIVERSAL) {
        return callback.call(_this10, selector);
      }
    });
  };

  _proto.split = function split(callback) {
    var _this11 = this;

    var current = [];
    return this.reduce(function (memo, node, index) {
      var split = callback.call(_this11, node);
      current.push(node);

      if (split) {
        memo.push(current);
        current = [];
      } else if (index === _this11.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() {
    return this.map(String).join('');
  };

  _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);

exports.default = Container;
module.exports = exports.default;