.

node_modules/@mixmark-io/domino/Leaf.js

@@ -0,0 +1,37 @@
+"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;
+  }}
+});