├── .gitignore ├── LICENSE ├── README.mdown ├── app.js ├── model.js ├── package.json ├── public └── scripts │ ├── backbone-min.js │ ├── backbone │ └── model.js │ ├── head.min.js │ ├── jquery-ui.min.js │ ├── jquery.min.js │ ├── underscore-min.js │ └── underscore.js └── views ├── index.jade └── layout.jade /.gitignore: -------------------------------------------------------------------------------- 1 | /.settings/ 2 | /node_modules/ 3 | /*.project 4 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | (The MIT License) 2 | 3 | Copyright (c) 2012 Dominic Böttger 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy of 6 | this software and associated documentation files (the 'Software'), to deal in 7 | the Software without restriction, including without limitation the rights to 8 | use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of 9 | the Software, and to permit persons to whom the Software is furnished to do so, 10 | subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. -------------------------------------------------------------------------------- /README.mdown: -------------------------------------------------------------------------------- 1 | # Autocomplete node.js example 2 | 3 | This example shows how jquery ui autocomplete can work with a node.js socket connection. 4 | 5 | 6 | ## Dependencies 7 | 8 | 1. Node.js 9 | 2. npm 10 | 3. mongodb 11 | 12 | If you are a mac user and need additional information on how to install the dependencies, just have a look on http://inspirationlabs.com/blog/installing-nodejs-npm-and-mongodb-macosx-lion. 13 | 14 | ## Installation 15 | 16 | 1. Check out this repository 17 | 2. Open the terminal 18 | 3. Change into the checkd out directory 19 | 4. npm install ( Install the required dependencies ) 20 | 5. node app.js 21 | 22 | ## How to use 23 | 24 | To generate some data, just open your browser and enter http://localhost:3000/create . 25 | 26 | You will be redirected to the main page and see the input field. The names Dominic, Heinz and Lorem are created by the /create script. 27 | 28 | After that you should only open http://localhost:3000 to have a look at this demo application. -------------------------------------------------------------------------------- /app.js: -------------------------------------------------------------------------------- 1 | /** 2 | * Example node.js application to show how jquery.ui autocomplete 3 | * can use data from a node.js socket connection 4 | * 5 | * @author: Dominic Böttger 6 | * @date: 2011/09/04 7 | */ 8 | 9 | var sys = require('sys'); 10 | 11 | var express = require('express'), 12 | sys = require('sys'), 13 | app = module.exports = express.createServer(), 14 | models = require('./model'), 15 | Person = models.Person; 16 | 17 | var app = module.exports = express.createServer(); 18 | var everyone = require("now").initialize(app); 19 | 20 | //Configuration 21 | app.configure(function(){ 22 | app.set('views', __dirname + '/views'); 23 | app.set('view engine', 'jade'); 24 | app.use(express.bodyParser()); 25 | app.use(express.methodOverride()); 26 | app.use(require('stylus').middleware({ src: __dirname + '/public' })); 27 | app.use(app.router); 28 | app.use(express.static(__dirname + '/public')); 29 | }); 30 | 31 | app.configure('development', function(){ 32 | app.use(express.errorHandler({ dumpExceptions: true, showStack: true })); 33 | }); 34 | 35 | app.configure('production', function(){ 36 | app.use(express.errorHandler()); 37 | }); 38 | 39 | // base url and template 40 | app.get('/', function(req, res){ 41 | res.render('index', { 42 | title: 'Home' 43 | }); 44 | }); 45 | 46 | // now js search function 47 | everyone.now.search = function(text, count, callback) { 48 | // create regex for "contains" and ignore case 49 | var regex = new RegExp(text.term, 'i'); 50 | // execute the search 51 | Person.find({firstname: regex}, function(err, docs) { 52 | var names = []; 53 | for(var nam in docs) { 54 | // push the firstname to the array 55 | names.push(docs[nam].firstname); 56 | } 57 | // send back via callback function 58 | callback(null, names); 59 | }); 60 | }; 61 | 62 | // function to create our test content... 63 | app.get('/create', function(req, res){ 64 | var person = new Person({firstname: 'Dominic', lastname: 'Böttger'}); 65 | person.save(); 66 | var person2 = new Person({firstname: 'Lorem', lastname: 'Ipsum'}); 67 | person2.save(); 68 | var person3 = new Person({firstname: 'Heinz', lastname: 'Ketchup'}); 69 | person3.save(); 70 | res.redirect('/'); 71 | }); 72 | 73 | app.listen(3000); 74 | console.log("Autocomplete server listening on port %d in %s mode", app.address().port, app.settings.env); -------------------------------------------------------------------------------- /model.js: -------------------------------------------------------------------------------- 1 | var mongoose = require('mongoose'); 2 | mongoose.connect('mongodb://localhost/autocomplete'); 3 | Schema = mongoose.Schema, 4 | ObjectId = Schema.ObjectId; 5 | 6 | // Person schema 7 | var Person = new Schema({ 8 | firstname: {type: String, required: true}, 9 | lastname: {type: String, required: true} 10 | }); 11 | mongoose.model('Person', Person); 12 | var Person = exports.Person = mongoose.model('Person'); -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/DominicBoettger/autocomplete_example/9ac0738b7333dff3d13e03a2d7881e04f994f28a/package.json -------------------------------------------------------------------------------- /public/scripts/backbone-min.js: -------------------------------------------------------------------------------- 1 | // Backbone.js 0.5.3 2 | // (c) 2010 Jeremy Ashkenas, DocumentCloud Inc. 3 | // Backbone may be freely distributed under the MIT license. 4 | // For all details and documentation: 5 | // 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28 | -------------------------------------------------------------------------------- /public/scripts/underscore.js: -------------------------------------------------------------------------------- 1 | // Underscore.js 1.1.7 2 | // (c) 2011 Jeremy Ashkenas, DocumentCloud Inc. 3 | // Underscore is freely distributable under the MIT license. 4 | // Portions of Underscore are inspired or borrowed from Prototype, 5 | // Oliver Steele's Functional, and John Resig's Micro-Templating. 6 | // For all details and documentation: 7 | // http://documentcloud.github.com/underscore 8 | 9 | (function() { 10 | 11 | // Baseline setup 12 | // -------------- 13 | 14 | // Establish the root object, `window` in the browser, or `global` on the server. 15 | var root = this; 16 | 17 | // Save the previous value of the `_` variable. 18 | var previousUnderscore = root._; 19 | 20 | // Establish the object that gets returned to break out of a loop iteration. 21 | var breaker = {}; 22 | 23 | // Save bytes in the minified (but not gzipped) version: 24 | var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype; 25 | 26 | // Create quick reference variables for speed access to core prototypes. 27 | var slice = ArrayProto.slice, 28 | unshift = ArrayProto.unshift, 29 | toString = ObjProto.toString, 30 | hasOwnProperty = ObjProto.hasOwnProperty; 31 | 32 | // All **ECMAScript 5** native function implementations that we hope to use 33 | // are declared here. 34 | var 35 | nativeForEach = ArrayProto.forEach, 36 | nativeMap = ArrayProto.map, 37 | nativeReduce = ArrayProto.reduce, 38 | nativeReduceRight = ArrayProto.reduceRight, 39 | nativeFilter = ArrayProto.filter, 40 | nativeEvery = ArrayProto.every, 41 | nativeSome = ArrayProto.some, 42 | nativeIndexOf = ArrayProto.indexOf, 43 | nativeLastIndexOf = ArrayProto.lastIndexOf, 44 | nativeIsArray = Array.isArray, 45 | nativeKeys = Object.keys, 46 | nativeBind = FuncProto.bind; 47 | 48 | // Create a safe reference to the Underscore object for use below. 49 | var _ = function(obj) { return new wrapper(obj); }; 50 | 51 | // Export the Underscore object for **CommonJS**, with backwards-compatibility 52 | // for the old `require()` API. If we're not in CommonJS, add `_` to the 53 | // global object. 54 | if (typeof module !== 'undefined' && module.exports) { 55 | module.exports = _; 56 | _._ = _; 57 | } else { 58 | // Exported as a string, for Closure Compiler "advanced" mode. 59 | root['_'] = _; 60 | } 61 | 62 | // Current version. 63 | _.VERSION = '1.1.7'; 64 | 65 | // Collection Functions 66 | // -------------------- 67 | 68 | // The cornerstone, an `each` implementation, aka `forEach`. 69 | // Handles objects with the built-in `forEach`, arrays, and raw objects. 70 | // Delegates to **ECMAScript 5**'s native `forEach` if available. 71 | var each = _.each = _.forEach = function(obj, iterator, context) { 72 | if (obj == null) return; 73 | if (nativeForEach && obj.forEach === nativeForEach) { 74 | obj.forEach(iterator, context); 75 | } else if (obj.length === +obj.length) { 76 | for (var i = 0, l = obj.length; i < l; i++) { 77 | if (i in obj && iterator.call(context, obj[i], i, obj) === breaker) return; 78 | } 79 | } else { 80 | for (var key in obj) { 81 | if (hasOwnProperty.call(obj, key)) { 82 | if (iterator.call(context, obj[key], key, obj) === breaker) return; 83 | } 84 | } 85 | } 86 | }; 87 | 88 | // Return the results of applying the iterator to each element. 89 | // Delegates to **ECMAScript 5**'s native `map` if available. 90 | _.map = function(obj, iterator, context) { 91 | var results = []; 92 | if (obj == null) return results; 93 | if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context); 94 | each(obj, function(value, index, list) { 95 | results[results.length] = iterator.call(context, value, index, list); 96 | }); 97 | return results; 98 | }; 99 | 100 | // **Reduce** builds up a single result from a list of values, aka `inject`, 101 | // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available. 102 | _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) { 103 | var initial = memo !== void 0; 104 | if (obj == null) obj = []; 105 | if (nativeReduce && obj.reduce === nativeReduce) { 106 | if (context) iterator = _.bind(iterator, context); 107 | return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator); 108 | } 109 | each(obj, function(value, index, list) { 110 | if (!initial) { 111 | memo = value; 112 | initial = true; 113 | } else { 114 | memo = iterator.call(context, memo, value, index, list); 115 | } 116 | }); 117 | if (!initial) throw new TypeError("Reduce of empty array with no initial value"); 118 | return memo; 119 | }; 120 | 121 | // The right-associative version of reduce, also known as `foldr`. 122 | // Delegates to **ECMAScript 5**'s native `reduceRight` if available. 123 | _.reduceRight = _.foldr = function(obj, iterator, memo, context) { 124 | if (obj == null) obj = []; 125 | if (nativeReduceRight && obj.reduceRight === nativeReduceRight) { 126 | if (context) iterator = _.bind(iterator, context); 127 | return memo !== void 0 ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator); 128 | } 129 | var reversed = (_.isArray(obj) ? obj.slice() : _.toArray(obj)).reverse(); 130 | return _.reduce(reversed, iterator, memo, context); 131 | }; 132 | 133 | // Return the first value which passes a truth test. Aliased as `detect`. 134 | _.find = _.detect = function(obj, iterator, context) { 135 | var result; 136 | any(obj, function(value, index, list) { 137 | if (iterator.call(context, value, index, list)) { 138 | result = value; 139 | return true; 140 | } 141 | }); 142 | return result; 143 | }; 144 | 145 | // Return all the elements that pass a truth test. 146 | // Delegates to **ECMAScript 5**'s native `filter` if available. 147 | // Aliased as `select`. 148 | _.filter = _.select = function(obj, iterator, context) { 149 | var results = []; 150 | if (obj == null) return results; 151 | if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context); 152 | each(obj, function(value, index, list) { 153 | if (iterator.call(context, value, index, list)) results[results.length] = value; 154 | }); 155 | return results; 156 | }; 157 | 158 | // Return all the elements for which a truth test fails. 159 | _.reject = function(obj, iterator, context) { 160 | var results = []; 161 | if (obj == null) return results; 162 | each(obj, function(value, index, list) { 163 | if (!iterator.call(context, value, index, list)) results[results.length] = value; 164 | }); 165 | return results; 166 | }; 167 | 168 | // Determine whether all of the elements match a truth test. 169 | // Delegates to **ECMAScript 5**'s native `every` if available. 170 | // Aliased as `all`. 171 | _.every = _.all = function(obj, iterator, context) { 172 | var result = true; 173 | if (obj == null) return result; 174 | if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context); 175 | each(obj, function(value, index, list) { 176 | if (!(result = result && iterator.call(context, value, index, list))) return breaker; 177 | }); 178 | return result; 179 | }; 180 | 181 | // Determine if at least one element in the object matches a truth test. 182 | // Delegates to **ECMAScript 5**'s native `some` if available. 183 | // Aliased as `any`. 184 | var any = _.some = _.any = function(obj, iterator, context) { 185 | iterator = iterator || _.identity; 186 | var result = false; 187 | if (obj == null) return result; 188 | if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context); 189 | each(obj, function(value, index, list) { 190 | if (result |= iterator.call(context, value, index, list)) return breaker; 191 | }); 192 | return !!result; 193 | }; 194 | 195 | // Determine if a given value is included in the array or object using `===`. 196 | // Aliased as `contains`. 197 | _.include = _.contains = function(obj, target) { 198 | var found = false; 199 | if (obj == null) return found; 200 | if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1; 201 | any(obj, function(value) { 202 | if (found = value === target) return true; 203 | }); 204 | return found; 205 | }; 206 | 207 | // Invoke a method (with arguments) on every item in a collection. 208 | _.invoke = function(obj, method) { 209 | var args = slice.call(arguments, 2); 210 | return _.map(obj, function(value) { 211 | return (method.call ? method || value : value[method]).apply(value, args); 212 | }); 213 | }; 214 | 215 | // Convenience version of a common use case of `map`: fetching a property. 216 | _.pluck = function(obj, key) { 217 | return _.map(obj, function(value){ return value[key]; }); 218 | }; 219 | 220 | // Return the maximum element or (element-based computation). 221 | _.max = function(obj, iterator, context) { 222 | if (!iterator && _.isArray(obj)) return Math.max.apply(Math, obj); 223 | var result = {computed : -Infinity}; 224 | each(obj, function(value, index, list) { 225 | var computed = iterator ? iterator.call(context, value, index, list) : value; 226 | computed >= result.computed && (result = {value : value, computed : computed}); 227 | }); 228 | return result.value; 229 | }; 230 | 231 | // Return the minimum element (or element-based computation). 232 | _.min = function(obj, iterator, context) { 233 | if (!iterator && _.isArray(obj)) return Math.min.apply(Math, obj); 234 | var result = {computed : Infinity}; 235 | each(obj, function(value, index, list) { 236 | var computed = iterator ? iterator.call(context, value, index, list) : value; 237 | computed < result.computed && (result = {value : value, computed : computed}); 238 | }); 239 | return result.value; 240 | }; 241 | 242 | // Sort the object's values by a criterion produced by an iterator. 243 | _.sortBy = function(obj, iterator, context) { 244 | return _.pluck(_.map(obj, function(value, index, list) { 245 | return { 246 | value : value, 247 | criteria : iterator.call(context, value, index, list) 248 | }; 249 | }).sort(function(left, right) { 250 | var a = left.criteria, b = right.criteria; 251 | return a < b ? -1 : a > b ? 1 : 0; 252 | }), 'value'); 253 | }; 254 | 255 | // Groups the object's values by a criterion produced by an iterator 256 | _.groupBy = function(obj, iterator) { 257 | var result = {}; 258 | each(obj, function(value, index) { 259 | var key = iterator(value, index); 260 | (result[key] || (result[key] = [])).push(value); 261 | }); 262 | return result; 263 | }; 264 | 265 | // Use a comparator function to figure out at what index an object should 266 | // be inserted so as to maintain order. Uses binary search. 267 | _.sortedIndex = function(array, obj, iterator) { 268 | iterator || (iterator = _.identity); 269 | var low = 0, high = array.length; 270 | while (low < high) { 271 | var mid = (low + high) >> 1; 272 | iterator(array[mid]) < iterator(obj) ? low = mid + 1 : high = mid; 273 | } 274 | return low; 275 | }; 276 | 277 | // Safely convert anything iterable into a real, live array. 278 | _.toArray = function(iterable) { 279 | if (!iterable) return []; 280 | if (iterable.toArray) return iterable.toArray(); 281 | if (_.isArray(iterable)) return slice.call(iterable); 282 | if (_.isArguments(iterable)) return slice.call(iterable); 283 | return _.values(iterable); 284 | }; 285 | 286 | // Return the number of elements in an object. 287 | _.size = function(obj) { 288 | return _.toArray(obj).length; 289 | }; 290 | 291 | // Array Functions 292 | // --------------- 293 | 294 | // Get the first element of an array. Passing **n** will return the first N 295 | // values in the array. Aliased as `head`. The **guard** check allows it to work 296 | // with `_.map`. 297 | _.first = _.head = function(array, n, guard) { 298 | return (n != null) && !guard ? slice.call(array, 0, n) : array[0]; 299 | }; 300 | 301 | // Returns everything but the first entry of the array. Aliased as `tail`. 302 | // Especially useful on the arguments object. Passing an **index** will return 303 | // the rest of the values in the array from that index onward. The **guard** 304 | // check allows it to work with `_.map`. 305 | _.rest = _.tail = function(array, index, guard) { 306 | return slice.call(array, (index == null) || guard ? 1 : index); 307 | }; 308 | 309 | // Get the last element of an array. 310 | _.last = function(array) { 311 | return array[array.length - 1]; 312 | }; 313 | 314 | // Trim out all falsy values from an array. 315 | _.compact = function(array) { 316 | return _.filter(array, function(value){ return !!value; }); 317 | }; 318 | 319 | // Return a completely flattened version of an array. 320 | _.flatten = function(array) { 321 | return _.reduce(array, function(memo, value) { 322 | if (_.isArray(value)) return memo.concat(_.flatten(value)); 323 | memo[memo.length] = value; 324 | return memo; 325 | }, []); 326 | }; 327 | 328 | // Return a version of the array that does not contain the specified value(s). 329 | _.without = function(array) { 330 | return _.difference(array, slice.call(arguments, 1)); 331 | }; 332 | 333 | // Produce a duplicate-free version of the array. If the array has already 334 | // been sorted, you have the option of using a faster algorithm. 335 | // Aliased as `unique`. 336 | _.uniq = _.unique = function(array, isSorted) { 337 | return _.reduce(array, function(memo, el, i) { 338 | if (0 == i || (isSorted === true ? _.last(memo) != el : !_.include(memo, el))) memo[memo.length] = el; 339 | return memo; 340 | }, []); 341 | }; 342 | 343 | // Produce an array that contains the union: each distinct element from all of 344 | // the passed-in arrays. 345 | _.union = function() { 346 | return _.uniq(_.flatten(arguments)); 347 | }; 348 | 349 | // Produce an array that contains every item shared between all the 350 | // passed-in arrays. (Aliased as "intersect" for back-compat.) 351 | _.intersection = _.intersect = function(array) { 352 | var rest = slice.call(arguments, 1); 353 | return _.filter(_.uniq(array), function(item) { 354 | return _.every(rest, function(other) { 355 | return _.indexOf(other, item) >= 0; 356 | }); 357 | }); 358 | }; 359 | 360 | // Take the difference between one array and another. 361 | // Only the elements present in just the first array will remain. 362 | _.difference = function(array, other) { 363 | return _.filter(array, function(value){ return !_.include(other, value); }); 364 | }; 365 | 366 | // Zip together multiple lists into a single array -- elements that share 367 | // an index go together. 368 | _.zip = function() { 369 | var args = slice.call(arguments); 370 | var length = _.max(_.pluck(args, 'length')); 371 | var results = new Array(length); 372 | for (var i = 0; i < length; i++) results[i] = _.pluck(args, "" + i); 373 | return results; 374 | }; 375 | 376 | // If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**), 377 | // we need this function. Return the position of the first occurrence of an 378 | // item in an array, or -1 if the item is not included in the array. 379 | // Delegates to **ECMAScript 5**'s native `indexOf` if available. 380 | // If the array is large and already in sort order, pass `true` 381 | // for **isSorted** to use binary search. 382 | _.indexOf = function(array, item, isSorted) { 383 | if (array == null) return -1; 384 | var i, l; 385 | if (isSorted) { 386 | i = _.sortedIndex(array, item); 387 | return array[i] === item ? i : -1; 388 | } 389 | if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item); 390 | for (i = 0, l = array.length; i < l; i++) if (array[i] === item) return i; 391 | return -1; 392 | }; 393 | 394 | 395 | // Delegates to **ECMAScript 5**'s native `lastIndexOf` if available. 396 | _.lastIndexOf = function(array, item) { 397 | if (array == null) return -1; 398 | if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) return array.lastIndexOf(item); 399 | var i = array.length; 400 | while (i--) if (array[i] === item) return i; 401 | return -1; 402 | }; 403 | 404 | // Generate an integer Array containing an arithmetic progression. A port of 405 | // the native Python `range()` function. See 406 | // [the Python documentation](http://docs.python.org/library/functions.html#range). 407 | _.range = function(start, stop, step) { 408 | if (arguments.length <= 1) { 409 | stop = start || 0; 410 | start = 0; 411 | } 412 | step = arguments[2] || 1; 413 | 414 | var len = Math.max(Math.ceil((stop - start) / step), 0); 415 | var idx = 0; 416 | var range = new Array(len); 417 | 418 | while(idx < len) { 419 | range[idx++] = start; 420 | start += step; 421 | } 422 | 423 | return range; 424 | }; 425 | 426 | // Function (ahem) Functions 427 | // ------------------ 428 | 429 | // Create a function bound to a given object (assigning `this`, and arguments, 430 | // optionally). Binding with arguments is also known as `curry`. 431 | // Delegates to **ECMAScript 5**'s native `Function.bind` if available. 432 | // We check for `func.bind` first, to fail fast when `func` is undefined. 433 | _.bind = function(func, obj) { 434 | if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1)); 435 | var args = slice.call(arguments, 2); 436 | return function() { 437 | return func.apply(obj, args.concat(slice.call(arguments))); 438 | }; 439 | }; 440 | 441 | // Bind all of an object's methods to that object. Useful for ensuring that 442 | // all callbacks defined on an object belong to it. 443 | _.bindAll = function(obj) { 444 | var funcs = slice.call(arguments, 1); 445 | if (funcs.length == 0) funcs = _.functions(obj); 446 | each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); }); 447 | return obj; 448 | }; 449 | 450 | // Memoize an expensive function by storing its results. 451 | _.memoize = function(func, hasher) { 452 | var memo = {}; 453 | hasher || (hasher = _.identity); 454 | return function() { 455 | var key = hasher.apply(this, arguments); 456 | return hasOwnProperty.call(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments)); 457 | }; 458 | }; 459 | 460 | // Delays a function for the given number of milliseconds, and then calls 461 | // it with the arguments supplied. 462 | _.delay = function(func, wait) { 463 | var args = slice.call(arguments, 2); 464 | return setTimeout(function(){ return func.apply(func, args); }, wait); 465 | }; 466 | 467 | // Defers a function, scheduling it to run after the current call stack has 468 | // cleared. 469 | _.defer = function(func) { 470 | return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1))); 471 | }; 472 | 473 | // Internal function used to implement `_.throttle` and `_.debounce`. 474 | var limit = function(func, wait, debounce) { 475 | var timeout; 476 | return function() { 477 | var context = this, args = arguments; 478 | var throttler = function() { 479 | timeout = null; 480 | func.apply(context, args); 481 | }; 482 | if (debounce) clearTimeout(timeout); 483 | if (debounce || !timeout) timeout = setTimeout(throttler, wait); 484 | }; 485 | }; 486 | 487 | // Returns a function, that, when invoked, will only be triggered at most once 488 | // during a given window of time. 489 | _.throttle = function(func, wait) { 490 | return limit(func, wait, false); 491 | }; 492 | 493 | // Returns a function, that, as long as it continues to be invoked, will not 494 | // be triggered. The function will be called after it stops being called for 495 | // N milliseconds. 496 | _.debounce = function(func, wait) { 497 | return limit(func, wait, true); 498 | }; 499 | 500 | // Returns a function that will be executed at most one time, no matter how 501 | // often you call it. Useful for lazy initialization. 502 | _.once = function(func) { 503 | var ran = false, memo; 504 | return function() { 505 | if (ran) return memo; 506 | ran = true; 507 | return memo = func.apply(this, arguments); 508 | }; 509 | }; 510 | 511 | // Returns the first function passed as an argument to the second, 512 | // allowing you to adjust arguments, run code before and after, and 513 | // conditionally execute the original function. 514 | _.wrap = function(func, wrapper) { 515 | return function() { 516 | var args = [func].concat(slice.call(arguments)); 517 | return wrapper.apply(this, args); 518 | }; 519 | }; 520 | 521 | // Returns a function that is the composition of a list of functions, each 522 | // consuming the return value of the function that follows. 523 | _.compose = function() { 524 | var funcs = slice.call(arguments); 525 | return function() { 526 | var args = slice.call(arguments); 527 | for (var i = funcs.length - 1; i >= 0; i--) { 528 | args = [funcs[i].apply(this, args)]; 529 | } 530 | return args[0]; 531 | }; 532 | }; 533 | 534 | // Returns a function that will only be executed after being called N times. 535 | _.after = function(times, func) { 536 | return function() { 537 | if (--times < 1) { return func.apply(this, arguments); } 538 | }; 539 | }; 540 | 541 | 542 | // Object Functions 543 | // ---------------- 544 | 545 | // Retrieve the names of an object's properties. 546 | // Delegates to **ECMAScript 5**'s native `Object.keys` 547 | _.keys = nativeKeys || function(obj) { 548 | if (obj !== Object(obj)) throw new TypeError('Invalid object'); 549 | var keys = []; 550 | for (var key in obj) if (hasOwnProperty.call(obj, key)) keys[keys.length] = key; 551 | return keys; 552 | }; 553 | 554 | // Retrieve the values of an object's properties. 555 | _.values = function(obj) { 556 | return _.map(obj, _.identity); 557 | }; 558 | 559 | // Return a sorted list of the function names available on the object. 560 | // Aliased as `methods` 561 | _.functions = _.methods = function(obj) { 562 | var names = []; 563 | for (var key in obj) { 564 | if (_.isFunction(obj[key])) names.push(key); 565 | } 566 | return names.sort(); 567 | }; 568 | 569 | // Extend a given object with all the properties in passed-in object(s). 570 | _.extend = function(obj) { 571 | each(slice.call(arguments, 1), function(source) { 572 | for (var prop in source) { 573 | if (source[prop] !== void 0) obj[prop] = source[prop]; 574 | } 575 | }); 576 | return obj; 577 | }; 578 | 579 | // Fill in a given object with default properties. 580 | _.defaults = function(obj) { 581 | each(slice.call(arguments, 1), function(source) { 582 | for (var prop in source) { 583 | if (obj[prop] == null) obj[prop] = source[prop]; 584 | } 585 | }); 586 | return obj; 587 | }; 588 | 589 | // Create a (shallow-cloned) duplicate of an object. 590 | _.clone = function(obj) { 591 | return _.isArray(obj) ? obj.slice() : _.extend({}, obj); 592 | }; 593 | 594 | // Invokes interceptor with the obj, and then returns obj. 595 | // The primary purpose of this method is to "tap into" a method chain, in 596 | // order to perform operations on intermediate results within the chain. 597 | _.tap = function(obj, interceptor) { 598 | interceptor(obj); 599 | return obj; 600 | }; 601 | 602 | // Perform a deep comparison to check if two objects are equal. 603 | _.isEqual = function(a, b) { 604 | // Check object identity. 605 | if (a === b) return true; 606 | // Different types? 607 | var atype = typeof(a), btype = typeof(b); 608 | if (atype != btype) return false; 609 | // Basic equality test (watch out for coercions). 610 | if (a == b) return true; 611 | // One is falsy and the other truthy. 612 | if ((!a && b) || (a && !b)) return false; 613 | // Unwrap any wrapped objects. 614 | if (a._chain) a = a._wrapped; 615 | if (b._chain) b = b._wrapped; 616 | // One of them implements an isEqual()? 617 | if (a.isEqual) return a.isEqual(b); 618 | if (b.isEqual) return b.isEqual(a); 619 | // Check dates' integer values. 620 | if (_.isDate(a) && _.isDate(b)) return a.getTime() === b.getTime(); 621 | // Both are NaN? 622 | if (_.isNaN(a) && _.isNaN(b)) return false; 623 | // Compare regular expressions. 624 | if (_.isRegExp(a) && _.isRegExp(b)) 625 | return a.source === b.source && 626 | a.global === b.global && 627 | a.ignoreCase === b.ignoreCase && 628 | a.multiline === b.multiline; 629 | // If a is not an object by this point, we can't handle it. 630 | if (atype !== 'object') return false; 631 | // Check for different array lengths before comparing contents. 632 | if (a.length && (a.length !== b.length)) return false; 633 | // Nothing else worked, deep compare the contents. 634 | var aKeys = _.keys(a), bKeys = _.keys(b); 635 | // Different object sizes? 636 | if (aKeys.length != bKeys.length) return false; 637 | // Recursive comparison of contents. 638 | for (var key in a) if (!(key in b) || !_.isEqual(a[key], b[key])) return false; 639 | return true; 640 | }; 641 | 642 | // Is a given array or object empty? 643 | _.isEmpty = function(obj) { 644 | if (_.isArray(obj) || _.isString(obj)) return obj.length === 0; 645 | for (var key in obj) if (hasOwnProperty.call(obj, key)) return false; 646 | return true; 647 | }; 648 | 649 | // Is a given value a DOM element? 650 | _.isElement = function(obj) { 651 | return !!(obj && obj.nodeType == 1); 652 | }; 653 | 654 | // Is a given value an array? 655 | // Delegates to ECMA5's native Array.isArray 656 | _.isArray = nativeIsArray || function(obj) { 657 | return toString.call(obj) === '[object Array]'; 658 | }; 659 | 660 | // Is a given variable an object? 661 | _.isObject = function(obj) { 662 | return obj === Object(obj); 663 | }; 664 | 665 | // Is a given variable an arguments object? 666 | _.isArguments = function(obj) { 667 | return !!(obj && hasOwnProperty.call(obj, 'callee')); 668 | }; 669 | 670 | // Is a given value a function? 671 | _.isFunction = function(obj) { 672 | return !!(obj && obj.constructor && obj.call && obj.apply); 673 | }; 674 | 675 | // Is a given value a string? 676 | _.isString = function(obj) { 677 | return !!(obj === '' || (obj && obj.charCodeAt && obj.substr)); 678 | }; 679 | 680 | // Is a given value a number? 681 | _.isNumber = function(obj) { 682 | return !!(obj === 0 || (obj && obj.toExponential && obj.toFixed)); 683 | }; 684 | 685 | // Is the given value `NaN`? `NaN` happens to be the only value in JavaScript 686 | // that does not equal itself. 687 | _.isNaN = function(obj) { 688 | return obj !== obj; 689 | }; 690 | 691 | // Is a given value a boolean? 692 | _.isBoolean = function(obj) { 693 | return obj === true || obj === false; 694 | }; 695 | 696 | // Is a given value a date? 697 | _.isDate = function(obj) { 698 | return !!(obj && obj.getTimezoneOffset && obj.setUTCFullYear); 699 | }; 700 | 701 | // Is the given value a regular expression? 702 | _.isRegExp = function(obj) { 703 | return !!(obj && obj.test && obj.exec && (obj.ignoreCase || obj.ignoreCase === false)); 704 | }; 705 | 706 | // Is a given value equal to null? 707 | _.isNull = function(obj) { 708 | return obj === null; 709 | }; 710 | 711 | // Is a given variable undefined? 712 | _.isUndefined = function(obj) { 713 | return obj === void 0; 714 | }; 715 | 716 | // Utility Functions 717 | // ----------------- 718 | 719 | // Run Underscore.js in *noConflict* mode, returning the `_` variable to its 720 | // previous owner. Returns a reference to the Underscore object. 721 | _.noConflict = function() { 722 | root._ = previousUnderscore; 723 | return this; 724 | }; 725 | 726 | // Keep the identity function around for default iterators. 727 | _.identity = function(value) { 728 | return value; 729 | }; 730 | 731 | // Run a function **n** times. 732 | _.times = function (n, iterator, context) { 733 | for (var i = 0; i < n; i++) iterator.call(context, i); 734 | }; 735 | 736 | // Add your own custom functions to the Underscore object, ensuring that 737 | // they're correctly added to the OOP wrapper as well. 738 | _.mixin = function(obj) { 739 | each(_.functions(obj), function(name){ 740 | addToWrapper(name, _[name] = obj[name]); 741 | }); 742 | }; 743 | 744 | // Generate a unique integer id (unique within the entire client session). 745 | // Useful for temporary DOM ids. 746 | var idCounter = 0; 747 | _.uniqueId = function(prefix) { 748 | var id = idCounter++; 749 | return prefix ? prefix + id : id; 750 | }; 751 | 752 | // By default, Underscore uses ERB-style template delimiters, change the 753 | // following template settings to use alternative delimiters. 754 | _.templateSettings = { 755 | evaluate : /<%([\s\S]+?)%>/g, 756 | interpolate : /<%=([\s\S]+?)%>/g 757 | }; 758 | 759 | // JavaScript micro-templating, similar to John Resig's implementation. 760 | // Underscore templating handles arbitrary delimiters, preserves whitespace, 761 | // and correctly escapes quotes within interpolated code. 762 | _.template = function(str, data) { 763 | var c = _.templateSettings; 764 | var tmpl = 'var __p=[],print=function(){__p.push.apply(__p,arguments);};' + 765 | 'with(obj||{}){__p.push(\'' + 766 | str.replace(/\\/g, '\\\\') 767 | .replace(/'/g, "\\'") 768 | .replace(c.interpolate, function(match, code) { 769 | return "'," + code.replace(/\\'/g, "'") + ",'"; 770 | }) 771 | .replace(c.evaluate || null, function(match, code) { 772 | return "');" + code.replace(/\\'/g, "'") 773 | .replace(/[\r\n\t]/g, ' ') + "__p.push('"; 774 | }) 775 | .replace(/\r/g, '\\r') 776 | .replace(/\n/g, '\\n') 777 | .replace(/\t/g, '\\t') 778 | + "');}return __p.join('');"; 779 | var func = new Function('obj', tmpl); 780 | return data ? func(data) : func; 781 | }; 782 | 783 | // The OOP Wrapper 784 | // --------------- 785 | 786 | // If Underscore is called as a function, it returns a wrapped object that 787 | // can be used OO-style. This wrapper holds altered versions of all the 788 | // underscore functions. Wrapped objects may be chained. 789 | var wrapper = function(obj) { this._wrapped = obj; }; 790 | 791 | // Expose `wrapper.prototype` as `_.prototype` 792 | _.prototype = wrapper.prototype; 793 | 794 | // Helper function to continue chaining intermediate results. 795 | var result = function(obj, chain) { 796 | return chain ? _(obj).chain() : obj; 797 | }; 798 | 799 | // A method to easily add functions to the OOP wrapper. 800 | var addToWrapper = function(name, func) { 801 | wrapper.prototype[name] = function() { 802 | var args = slice.call(arguments); 803 | unshift.call(args, this._wrapped); 804 | return result(func.apply(_, args), this._chain); 805 | }; 806 | }; 807 | 808 | // Add all of the Underscore functions to the wrapper object. 809 | _.mixin(_); 810 | 811 | // Add all mutator Array functions to the wrapper. 812 | each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) { 813 | var method = ArrayProto[name]; 814 | wrapper.prototype[name] = function() { 815 | method.apply(this._wrapped, arguments); 816 | return result(this._wrapped, this._chain); 817 | }; 818 | }); 819 | 820 | // Add all accessor Array functions to the wrapper. 821 | each(['concat', 'join', 'slice'], function(name) { 822 | var method = ArrayProto[name]; 823 | wrapper.prototype[name] = function() { 824 | return result(method.apply(this._wrapped, arguments), this._chain); 825 | }; 826 | }); 827 | 828 | // Start chaining a wrapped Underscore object. 829 | wrapper.prototype.chain = function() { 830 | this._chain = true; 831 | return this; 832 | }; 833 | 834 | // Extracts the result from a wrapped and chained object. 835 | wrapper.prototype.value = function() { 836 | return this._wrapped; 837 | }; 838 | 839 | })(); 840 | -------------------------------------------------------------------------------- /views/index.jade: -------------------------------------------------------------------------------- 1 | #application 2 | 3 | #search 4 | div Search: 5 | div 6 | input(type='text', id='search-input') 7 | 8 | script(type='text/javascript'). 9 | head.ready(function() { 10 | var auto = new AutocompleterAppView(); 11 | }) 12 | -------------------------------------------------------------------------------- /views/layout.jade: -------------------------------------------------------------------------------- 1 | doctype html 2 | html 3 | head 4 | title= title 5 | script(type='text/javascript', src='/scripts/head.min.js'). 6 | body 7 | 8 | #content!= body 9 | 10 | script(type='text/javascript'). 11 | head.js( 12 | "/scripts/jquery.min.js", 13 | "/scripts/jquery-ui.min.js", 14 | "/nowjs/now.js", 15 | "/scripts/underscore-min.js", 16 | "/scripts/backbone-min.js", 17 | "/scripts/backbone/model.js" 18 | ); 19 | --------------------------------------------------------------------------------