--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vakata-jstree-3.3.5/src/jstree.unique.js	Sun Dec 30 12:55:49 2018 -0500
@@ -0,0 +1,164 @@
+/**
+ * ### Unique plugin
+ *
+ * Enforces that no nodes with the same name can coexist as siblings.
+ */
+/*globals jQuery, define, exports, require */
+(function (factory) {
+	"use strict";
+	if (typeof define === 'function' && define.amd) {
+		define('jstree.unique', ['jquery','jstree'], factory);
+	}
+	else if(typeof exports === 'object') {
+		factory(require('jquery'), require('jstree'));
+	}
+	else {
+		factory(jQuery, jQuery.jstree);
+	}
+}(function ($, jstree, undefined) {
+	"use strict";
+
+	if($.jstree.plugins.unique) { return; }
+
+	/**
+	 * stores all defaults for the unique plugin
+	 * @name $.jstree.defaults.unique
+	 * @plugin unique
+	 */
+	$.jstree.defaults.unique = {
+		/**
+		 * Indicates if the comparison should be case sensitive. Default is `false`.
+		 * @name $.jstree.defaults.unique.case_sensitive
+		 * @plugin unique
+		 */
+		case_sensitive : false,
+		/**
+		 * Indicates if white space should be trimmed before the comparison. Default is `false`.
+		 * @name $.jstree.defaults.unique.trim_whitespace
+		 * @plugin unique
+		 */
+		trim_whitespace : false,
+		/**
+		 * A callback executed in the instance's scope when a new node is created and the name is already taken, the two arguments are the conflicting name and the counter. The default will produce results like `New node (2)`.
+		 * @name $.jstree.defaults.unique.duplicate
+		 * @plugin unique
+		 */
+		duplicate : function (name, counter) {
+			return name + ' (' + counter + ')';
+		}
+	};
+
+	$.jstree.plugins.unique = function (options, parent) {
+		this.check = function (chk, obj, par, pos, more) {
+			if(parent.check.call(this, chk, obj, par, pos, more) === false) { return false; }
+			obj = obj && obj.id ? obj : this.get_node(obj);
+			par = par && par.id ? par : this.get_node(par);
+			if(!par || !par.children) { return true; }
+			var n = chk === "rename_node" ? pos : obj.text,
+				c = [],
+				s = this.settings.unique.case_sensitive,
+				w = this.settings.unique.trim_whitespace,
+				m = this._model.data, i, j, t;
+			for(i = 0, j = par.children.length; i < j; i++) {
+				t = m[par.children[i]].text;
+				if (!s) {
+					t = t.toLowerCase();
+				}
+				if (w) {
+					t = t.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
+				}
+				c.push(t);
+			}
+			if(!s) { n = n.toLowerCase(); }
+			if (w) { n = n.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, ''); }
+			switch(chk) {
+				case "delete_node":
+					return true;
+				case "rename_node":
+					t = obj.text || '';
+					if (!s) {
+						t = t.toLowerCase();
+					}
+					if (w) {
+						t = t.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
+					}
+					i = ($.inArray(n, c) === -1 || (obj.text && t === n));
+					if(!i) {
+						this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_01', 'reason' : 'Child with name ' + n + ' already exists. Preventing: ' + chk, 'data' : JSON.stringify({ 'chk' : chk, 'pos' : pos, 'obj' : obj && obj.id ? obj.id : false, 'par' : par && par.id ? par.id : false }) };
+					}
+					return i;
+				case "create_node":
+					i = ($.inArray(n, c) === -1);
+					if(!i) {
+						this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_04', 'reason' : 'Child with name ' + n + ' already exists. Preventing: ' + chk, 'data' : JSON.stringify({ 'chk' : chk, 'pos' : pos, 'obj' : obj && obj.id ? obj.id : false, 'par' : par && par.id ? par.id : false }) };
+					}
+					return i;
+				case "copy_node":
+					i = ($.inArray(n, c) === -1);
+					if(!i) {
+						this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_02', 'reason' : 'Child with name ' + n + ' already exists. Preventing: ' + chk, 'data' : JSON.stringify({ 'chk' : chk, 'pos' : pos, 'obj' : obj && obj.id ? obj.id : false, 'par' : par && par.id ? par.id : false }) };
+					}
+					return i;
+				case "move_node":
+					i = ( (obj.parent === par.id && (!more || !more.is_multi)) || $.inArray(n, c) === -1);
+					if(!i) {
+						this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_03', 'reason' : 'Child with name ' + n + ' already exists. Preventing: ' + chk, 'data' : JSON.stringify({ 'chk' : chk, 'pos' : pos, 'obj' : obj && obj.id ? obj.id : false, 'par' : par && par.id ? par.id : false }) };
+					}
+					return i;
+			}
+			return true;
+		};
+		this.create_node = function (par, node, pos, callback, is_loaded) {
+			if(!node || node.text === undefined) {
+				if(par === null) {
+					par = $.jstree.root;
+				}
+				par = this.get_node(par);
+				if(!par) {
+					return parent.create_node.call(this, par, node, pos, callback, is_loaded);
+				}
+				pos = pos === undefined ? "last" : pos;
+				if(!pos.toString().match(/^(before|after)$/) && !is_loaded && !this.is_loaded(par)) {
+					return parent.create_node.call(this, par, node, pos, callback, is_loaded);
+				}
+				if(!node) { node = {}; }
+				var tmp, n, dpc, i, j, m = this._model.data, s = this.settings.unique.case_sensitive, w = this.settings.unique.trim_whitespace, cb = this.settings.unique.duplicate, t;
+				n = tmp = this.get_string('New node');
+				dpc = [];
+				for(i = 0, j = par.children.length; i < j; i++) {
+					t = m[par.children[i]].text;
+					if (!s) {
+						t = t.toLowerCase();
+					}
+					if (w) {
+						t = t.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
+					}
+					dpc.push(t);
+				}
+				i = 1;
+				t = n;
+				if (!s) {
+					t = t.toLowerCase();
+				}
+				if (w) {
+					t = t.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
+				}
+				while($.inArray(t, dpc) !== -1) {
+					n = cb.call(this, tmp, (++i)).toString();
+					t = n;
+					if (!s) {
+						t = t.toLowerCase();
+					}
+					if (w) {
+						t = t.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
+					}
+				}
+				node.text = n;
+			}
+			return parent.create_node.call(this, par, node, pos, callback, is_loaded);
+		};
+	};
+
+	// include the unique plugin by default
+	// $.jstree.defaults.plugins.push("unique");
+}));