rsuite
Version:
A suite of react components
52 lines • 1.85 kB
JavaScript
'use client';
import _createClass from "@babel/runtime/helpers/esm/createClass";
/**
* Partial implementation of Node API
* Used for holding tree nodes hierarchy
* Ref: https://developer.mozilla.org/zh-CN/docs/Web/API/Node
*/
export var Node = /*#__PURE__*/function () {
function Node() {
this.id = null;
this.nodeValue = null;
this.parent = null;
this.parentNode = null;
this.childNodes = [];
this.element = void 0;
}
var _proto = Node.prototype;
_proto.appendChild = function appendChild(newChild) {
newChild.parentNode = this;
this.childNodes.push(newChild);
};
_proto.hasChildNodes = function hasChildNodes() {
return this.childNodes.length > 0;
};
return _createClass(Node, [{
key: "firstChild",
get: function get() {
var _this$childNodes$;
return (_this$childNodes$ = this.childNodes[0]) !== null && _this$childNodes$ !== void 0 ? _this$childNodes$ : null;
}
}, {
key: "lastChild",
get: function get() {
var _this$childNodes;
return (_this$childNodes = this.childNodes[this.childNodes.length - 1]) !== null && _this$childNodes !== void 0 ? _this$childNodes : null;
}
}, {
key: "nextSibling",
get: function get() {
var _this$parentNode$chil;
if (!this.parentNode) return null;
return (_this$parentNode$chil = this.parentNode.childNodes[this.parentNode.childNodes.indexOf(this) + 1]) !== null && _this$parentNode$chil !== void 0 ? _this$parentNode$chil : null;
}
}, {
key: "previousSibling",
get: function get() {
var _this$parentNode$chil2;
if (!this.parentNode) return null;
return (_this$parentNode$chil2 = this.parentNode.childNodes[this.parentNode.childNodes.indexOf(this) - 1]) !== null && _this$parentNode$chil2 !== void 0 ? _this$parentNode$chil2 : null;
}
}]);
}();