ref: 9d5388d05404585cffbf9092b83301e507110a7d
dir: /domino/domino-lib/Leaf.js/
"use strict"; module.exports = Leaf; var Node = require('./Node'); var NodeList = require('./NodeList'); var utils = require('./utils'); var HierarchyRequestError = utils.HierarchyRequestError; var NotFoundError = utils.NotFoundError; // This class defines common functionality for node subtypes that // can never have children function Leaf() { Node.call(this); } Leaf.prototype = Object.create(Node.prototype, { hasChildNodes: { value: function() { return false; }}, firstChild: { value: null }, lastChild: { value: null }, insertBefore: { value: function(node, child) { if (!node.nodeType) throw new TypeError('not a node'); HierarchyRequestError(); }}, replaceChild: { value: function(node, child) { if (!node.nodeType) throw new TypeError('not a node'); HierarchyRequestError(); }}, removeChild: { value: function(node) { if (!node.nodeType) throw new TypeError('not a node'); NotFoundError(); }}, removeChildren: { value: function() { /* no op */ }}, childNodes: { get: function() { if (!this._childNodes) this._childNodes = new NodeList(); return this._childNodes; }} });