@glimmer/syntax/dist/modules/es5/lib/traversal/path.js

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; }

var WalkerPath = /*#__PURE__*/function () {
  function WalkerPath(node, parent, parentKey) {
    if (parent === void 0) {
      parent = null;
    }

    if (parentKey === void 0) {
      parentKey = null;
    }

    this.node = node;
    this.parent = parent;
    this.parentKey = parentKey;
  }

  var _proto = WalkerPath.prototype;

  _proto.parents = function parents() {
    var _this = this,
        _ref;

    return _ref = {}, _ref[Symbol.iterator] = function () {
      return new PathParentsIterator(_this);
    }, _ref;
  };

  _createClass(WalkerPath, [{
    key: "parentNode",
    get: function get() {
      return this.parent ? this.parent.node : null;
    }
  }]);

  return WalkerPath;
}();

export { WalkerPath as default };

var PathParentsIterator = /*#__PURE__*/function () {
  function PathParentsIterator(path) {
    this.path = path;
  }

  var _proto2 = PathParentsIterator.prototype;

  _proto2.next = function next() {
    if (this.path.parent) {
      this.path = this.path.parent;
      return {
        done: false,
        value: this.path
      };
    } else {
      return {
        done: true,
        value: null
      };
    }
  };

  return PathParentsIterator;
}();
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