B-Tree Index

var btree = require('terraformer-geostore-index-btree').BinarySearchTree;
 
var tree = new btree();
 
tree.add("Crimes", 1, function (err, data) {
  console.log(data);
});
 
tree.add("Liquor", 2, function (err, data) {
  console.log(data);
});
 
tree.add("Crimes", 3, function (err, data) {
  console.log(data);
});
 
tree.equals("Crimes", function (err, data) {
  console.log(data);
  // { "1": true, "3": true };
});

Orignal Copyright

Derived from https://github.com/nzakas/computer-science-in-javascript

/*
 * Binary Search Tree implementation in JavaScript
 * Copyright (c) 2009 Nicholas C. Zakas
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */