-
\ No newline at end of file
+
+
+
+// core-js / js-extensions / 100-String.format.js
+//console.debug("begin string.toformat.js");
+/***** Begin String.format - MIT License ************************************
+
+Copyright (c) 2009 - Michael J. Ryan (http://tracker1.info)
+
+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.
+
+===============================================================================
+Thanks for the inspiration - http://blairmitchelmore.com/javascript/string.format
+
+//inline arguments
+String.format(
+"some string with {0} and {1} injected using argument {{number}}",
+'first value',
+'second value'
+);
+returns: 'some string with first value and second value injected argument {number}'
+
+//single array
+String.format(
+"some string with {0} and {1} injected using array {{number}}",
+[ 'first value', 'second value' ]
+);
+returns: 'some string with first value and second value injected using array {number}'
+
+//single object
+String.format(
+"some string with {first} and {second} value injected using {{propertyName}}",
+{
+first:'first value',
+second:'second value'
+}
+);
+returns: 'some string with first value and second value injected using {propertyName}'
+
+******************************************************************************/
\ No newline at end of file
diff --git a/app/assets/templates/home.html b/app/assets/templates/home.html
index b7cbc04e..2a84fd2f 100644
--- a/app/assets/templates/home.html
+++ b/app/assets/templates/home.html
@@ -22,7 +22,4 @@
\ No newline at end of file
diff --git a/app/assets/templates/listen.html b/app/assets/templates/listen.html
index c8ad06fd..6596d40f 100644
--- a/app/assets/templates/listen.html
+++ b/app/assets/templates/listen.html
@@ -1,43 +1,37 @@
\ No newline at end of file
diff --git a/app/controllers/audio_events_controller.rb b/app/controllers/audio_events_controller.rb
index b89ff3e7..b79a3649 100644
--- a/app/controllers/audio_events_controller.rb
+++ b/app/controllers/audio_events_controller.rb
@@ -2,7 +2,7 @@ class AudioEventsController < ApplicationController
# GET /audio_events
# GET /audio_events.json
def index
- if params[:by_audio_id]
+ if params[:byAudioId]
return by_audio_id
end
@@ -16,7 +16,7 @@ def index
def by_audio_id
# TODO: check if quid
- id = params[:by_audio_id]
+ id = params[:byAudioId]
@audio_events =
AudioEvent
diff --git a/app/controllers/media_controller.rb b/app/controllers/media_controller.rb
index 0e235962..9b1e0a0a 100644
--- a/app/controllers/media_controller.rb
+++ b/app/controllers/media_controller.rb
@@ -3,6 +3,17 @@
class MediaController < ApplicationController
include FileCacher, Mime
+ AUDIO_COMPONENTS = ['recording_id', 'start_offset', 'end_offset', 'channel', 'sample_rate', 'audio_format']
+ SPECTROGRAM_COMPONENTS = ['recording_id', 'start_offset', 'end_offset', 'channel', 'sample_rate', 'window', 'color', 'image_format']
+
+
+ AUDIO_BASE_URL_CC = '/media/{%s}_{%s}_{%s}_{%s}_{%s}{%s}' % (AUDIO_COMPONENTS.map { |s| s.camelize :lower })
+ SPECTROGRAM_BASE_URL_CC = '/media/{%s}_{%s}_{%s}_{%s}_{%s}_{%s}_{%s}{%s}' %(SPECTROGRAM_COMPONENTS.map { |s| s.camelize :lower })
+
+ AUDIO_BASE_URL_US = '/media/{%s}_{%s}_{%s}_{%s}_{%s}{%s}' % AUDIO_COMPONENTS
+ SPECTROGRAM_BASE_URL_US = '/media/{%s}_{%s}_{%s}_{%s}_{%s}_{%s}_{%s}{%s}' % SPECTROGRAM_COMPONENTS
+
+
#respond_to :xml, :json, :html, :png, :ogg, :oga, :webm, :webma, :mp3
def index
@@ -53,9 +64,9 @@ def item
# if the format is a supported image format, locate a cached spectrogram or generate it, then stream it back.
#if image_media_types.include? final_format_requested
- recording = AudioRecording.find_by_uuid(@file_info[:id])
- @file_info[:date] = recording.recorded_date.strftime "%Y%m%d"
- @file_info[:time] = recording.recorded_date.strftime "%H%M%S"
+ recording = AudioRecording.find_by_uuid(@file_info[:id])
+ @file_info[:date] = recording.recorded_date.strftime "%Y%m%d"
+ @file_info[:time] = recording.recorded_date.strftime "%H%M%S"
@file_info[:original_format] = Mime::Type.file_extension_of recording.media_type
#@file_info[:requested_media_type] = final_format_requested
#@file_info[:requested_extension] = requested_extension
@@ -73,42 +84,59 @@ def item
# respond with file info in requested format
# channel should use the 0,1,2,4,8,... format
+ url_format_underscore = params["urlFormat"] == "underscore"
+
file_info_to_send = {
- :start_offset => @file_info[:start_offset].blank? ? 0 : @file_info[:start_offset],
- :end_offset => @file_info[:end_offset].blank? ? recording.duration_seconds : @file_info[:end_offset],
- :original_duration => recording.duration_seconds,
- :date => @file_info[:date],
- :time => @file_info[:time],
- :id => @file_info[:id],
- :channel => @file_info[:channel].blank? ? 0 : @file_info[:channel], # default to mixing down to mono
- :sample_rate => @file_info[:sample_rate].blank? ? recording.sample_rate_hertz : @file_info[:sample_rate],
- :window => @file_info[:window],
- :colour => @file_info[:colour],
- :original_format => @file_info[:original_format],
- :format => final_format_requested,
- :info_url => "/media/#{@file_info[:id]}"
+ :start_offset => @file_info[:start_offset].blank? ? 0 : @file_info[:start_offset],
+ :end_offset => @file_info[:end_offset].blank? ? recording.duration_seconds : @file_info[:end_offset],
+
+ #:original_duration => recording.duration_seconds,
+ #:date => @file_info[:date],
+ #:time => @file_info[:time],
+ #:original_format => @file_info[:original_format],
+ :original => recording,
+
+ :recording_id => @file_info[:id],
+
+ :channel => @file_info[:channel].blank? ? 0 : @file_info[:channel], # default to mixing down to mono
+ :sample_rate => @file_info[:sample_rate].blank? ? recording.sample_rate_hertz : @file_info[:sample_rate],
+ :window => @file_info[:window] || SharedSettings.settings[:cached_spectrogram_defaults][0][:window],
+ :color => @file_info[:colour] || SharedSettings.settings[:cached_spectrogram_defaults][0][:colour],
+ :audio_format => final_format_requested || SharedSettings.settings[:cached_audio_defaults][0][:format],
+ :image_format => SharedSettings.settings[:cached_spectrogram_defaults][0][:format],
+
+ :info_url => "/media/#{@file_info[:id]}",
+ :audio_base_url => (url_format_underscore ? AUDIO_BASE_URL_US : AUDIO_BASE_URL_CC),
+ :spectrogram_base_url => (url_format_underscore ? SPECTROGRAM_BASE_URL_US : SPECTROGRAM_BASE_URL_CC) ,
+
+ :options => {
+ :colors => Spectrogram.colour_options,
+ :window_size => Spectrogram.window_options,
+ :audio_formats => audio_media_types.collect { |mt| mt.symbol },
+ :image_formats => image_media_types.collect { |mt| mt.symbol },
+ }
}
- unless file_info_to_send[:start_offset].nil?
- base_audio_segment_url = "/media/#{file_info_to_send[:id]}_#{file_info_to_send[:start_offset]}_#{file_info_to_send[:end_offset]}_"+
- "#{file_info_to_send[:channel]}_#{file_info_to_send[:sample_rate]}."
-
- file_info_to_send[:audio_base_url] = base_audio_segment_url
- end
-
- unless file_info_to_send[:window].nil?
- file_info_to_send[:spectrogram_url] =
- "/media/#{file_info_to_send[:id]}_#{file_info_to_send[:start_offset]}_#{file_info_to_send[:end_offset]}_"+
- "#{file_info_to_send[:channel]}_#{file_info_to_send[:sample_rate]}_"+
- "#{file_info_to_send[:window]}_#{file_info_to_send[:colour]}.png"
-
- file_info_to_send[:color_description] = Spectrogram.colour_options
-
- end
+ #unless file_info_to_send[:start_offset].nil?
+ # base_audio_segment_url = "/media/#{file_info_to_send[:id]}_#{file_info_to_send[:start_offset]}_#{file_info_to_send[:end_offset]}_"+
+ # "#{file_info_to_send[:channel]}_#{file_info_to_send[:sample_rate]}."
+ #
+ # file_info_to_send[:audio_base_url] = base_audio_segment_url
+ #end
+ #
+ #unless file_info_to_send[:window].nil?
+ # file_info_to_send[:spectrogram_url] =
+ # "/media/#{file_info_to_send[:id]}_#{file_info_to_send[:start_offset]}_#{file_info_to_send[:end_offset]}_"+
+ # "#{file_info_to_send[:channel]}_#{file_info_to_send[:sample_rate]}_"+
+ # "#{file_info_to_send[:window]}_#{file_info_to_send[:colour]}.png"
+ #
+ # file_info_to_send[:color_description] = Spectrogram.colour_options
+ #
+ #end
respond_to do |format|
- format.any(:xml, :html) {render :xml => file_info_to_send}
- format.json {render :json => file_info_to_send}
+ format.any(:xml, :html) { render :xml => file_info_to_send }
+ format.json { render :json => file_info_to_send }
format.all { head :bad_request }
end
end
@@ -128,7 +156,7 @@ def update
return head(:bad_request) unless Rails.env == 'development'
# iterate through all original audio folders, and check that the audio recordings there are in the database
- Dir.glob("#{dir}/*").each_with_object({}) { |file, hash| }
+ Dir.glob("#{dir}/*").each_with_object({ }) { |file, hash| }
end
@@ -137,7 +165,7 @@ def update
def read_dir(dir)
# from http://stackoverflow.com/questions/6166103/traversing-directories-and-reading-from-files-in-ruby-on-rails
- Dir.glob("#{dir}/*").each_with_object({}) do |f, h|
+ Dir.glob("#{dir}/*").each_with_object({ }) do |f, h|
if File.file?(f)
h[f] = open(f).read
elsif File.directory?(f)
diff --git a/lib/assets/javascripts/100-String.format.js b/lib/assets/javascripts/100-String.format.js
new file mode 100644
index 00000000..84b3d41b
--- /dev/null
+++ b/lib/assets/javascripts/100-String.format.js
@@ -0,0 +1,240 @@
+//console.debug("begin string.toformat.js");
+/***** Begin String.format - MIT License ************************************
+
+Copyright (c) 2009 - Michael J. Ryan (http://tracker1.info)
+
+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.
+
+===============================================================================
+Thanks for the inspiration - http://blairmitchelmore.com/javascript/string.format
+
+//inline arguments
+String.format(
+ "some string with {0} and {1} injected using argument {{number}}",
+ 'first value',
+ 'second value'
+);
+returns: 'some string with first value and second value injected argument {number}'
+
+//single array
+String.format(
+ "some string with {0} and {1} injected using array {{number}}",
+ [ 'first value', 'second value' ]
+);
+returns: 'some string with first value and second value injected using array {number}'
+
+//single object
+String.format(
+ "some string with {first} and {second} value injected using {{propertyName}}",
+ {
+ first:'first value',
+ second:'second value'
+ }
+);
+returns: 'some string with first value and second value injected using {propertyName}'
+
+******************************************************************************/
+(function() {
+
+ //returns true for null, undefined and empty string
+ function isEmpty(obj) {
+ if (typeof obj == 'undefined' || obj === null || obj === '') return true;
+ if (typeof obj == 'number' && isNaN(obj)) return true;
+ if (obj instanceof Date && isNaN(Number(obj))) return true;
+ return false;
+ }
+
+ //gets the format method to use for the object instance
+ // don't expose this method, it isn't safe for use outside this script
+ function getFormatter(obj) {
+ //it's a string, undefined or null, use default toString method
+ if (typeof obj == "string" || typeof obj == "undefined" || obj === null) {
+ return String.prototype.toString;
+ }
+
+ //it has a format method
+ if (typeof obj.format == "function") {
+ return obj.format;
+ }
+
+ //determin the constructor base & prototype to use
+ var ctor = function(o) {
+ if (typeof o == 'number') return Number;
+ if (typeof o == 'boolean') return Boolean;
+ return o.constructor;
+ }(obj);
+ var proto = ctor.prototype;
+
+ //prototype has a format method use it (why was it overriden/deleted from the instance?)
+ if (proto && typeof proto.format == 'function') return ctor.prototype.format;
+
+ //object has a toString method use it
+ if (typeof obj.toString == 'function') return obj.toString;
+
+ //prototype has a toString method use it
+ if (proto && typeof proto.toString == 'function') return proto.toString;
+
+ //use the string's toString method - final resort
+ return String.prototype.toString;
+ }
+
+
+ //convert an object to a string with an optional format to use
+ function stringFromAny(obj, format) {
+ //the object is nothing, use an empty string
+ if (isEmpty(obj))
+ return "";
+
+ //get the formatter to use for the object
+ var formatter = getFormatter(obj);
+
+ //a formatter was found, use it
+ if (formatter) {
+ if (isEmpty(format)) {
+ try {
+ return formatter.call(obj);
+ } catch(err) {
+ //errors with Microsoft Ajax Toolkit
+ try {
+ return formatter.call(obj,"");
+ } catch(err1) {
+ if (typeof console != "undefined") (console.error || console.log)(err1);
+ return ""; //unable to format
+ }
+ }
+ } else {
+ return formatter.call(obj,format);
+ }
+ }
+ else
+ return ""; //no formatter, use empty string, this should *NEVER* happen.
+ }
+
+
+ //basic format, used when a single, or no arguments are passed in
+ function basicFormat(source) {
+ //null argument, return empty string
+ if (isEmpty(source))
+ return "";
+
+ //it's a string, return it as-is
+ if (typeof source == "string")
+ return String(source);
+
+ //it has a formatter, use that
+ if (source && source.format)
+ return source.format();
+
+ //it's an array, use it as one - recursive call
+ if (source && source.length)
+ return String.format.apply(source[0], Array.prototype.slice.call(arguments, 0, 1));
+
+ //force it to a string
+ return String(source);
+ }
+
+ //normalize arguments into parameter array
+ function setParams() {
+ var undef; //undefined value
+
+ //remove first item from stack
+ var params = Array.prototype.slice.call(arguments, 1);
+
+ //only one param
+ if (params.length == 1) {
+ //set the params to the instance of the one param
+ params = params[0];
+
+ //use an empty string for null and undefined valuse
+ if (params === null || params === undef) return [''];
+
+ //reference to the type of params
+ var t = typeof params;
+
+ //if it (has format or not an object) and not an array)
+ if ((params.format || t != 'object') && t != 'array' )
+ params = [ params ]; //put the param inside an array
+ }
+
+ //return normalized input parameters
+ return params;
+ }
+
+ function stringformat(source, params) {
+ //only one argument, force it to a proper string.
+ if ( arguments.length < 2 ) {
+ basicFormat(source);
+ }
+
+ //normalize the input parameters
+ params = setParams.apply(null, arguments);
+ var outerLength = arguments.length;
+
+ //run a replace method against the source string, matching against
+ // named/numbered parameters
+ //
+ // will match on escaped braces {{ or }}
+ // or an embedded code {code} with optional format {code:format}
+ var ret = source.replace(
+ /\{\{|\}\}|\{([^}: ]+?)(?::([^}]*?))?\}/g,
+ function(match, num, format) {
+ if (match == "{{") return "{"; //unescape the nested {
+ if (match == "}}") return "}"; //unescape the nested }
+ if (typeof params[num] == "undefined") {
+ //if there was only one parameter, and the match is "0", and there's no "0" in params, use the params as the binding formatter
+ //should fix "... {0:...}".toFormat(singleItem)
+ if (num === "0" && outerLength == 2) return stringFromAny(params, format);
+
+ return match; //no param value available
+ }
+
+ return stringFromAny(params[num], format); //convert the input replacement to a proper string
+ }
+ );
+ return ret;
+ }
+
+ //main string formatter
+ if (typeof String.format != "function") {
+ String.format = stringformat;
+ }
+ if (typeof String.asFormat != "function") {
+ String.asFormat = stringformat;
+ }
+
+
+ //create a format method for string instances
+ if (typeof String.prototype.format != "function") {
+ String.prototype.format = function() {
+ var args = Array.prototype.slice.call(arguments);
+ args.unshift(this);
+ return stringformat.apply(null, args);
+ };
+ }
+ if (typeof String.prototype.asFormat != "function") {
+ String.prototype.asFormat = function() {
+ var args = Array.prototype.slice.call(arguments);
+ args.unshift(this);
+ return stringformat.apply(null, args);
+ };
+ }
+
+})();
+
+//console.debug("begin string.toformat.js");
\ No newline at end of file
diff --git a/lib/assets/javascripts/angular-http-auth.js b/lib/assets/javascripts/angular-http-auth.js
index 4cf57bec..afb7232c 100644
--- a/lib/assets/javascripts/angular-http-auth.js
+++ b/lib/assets/javascripts/angular-http-auth.js
@@ -41,7 +41,9 @@ angular.module('http-auth-interceptor', [])
return {
loginConfirmed: function() {
- $rootScope.$broadcast('event:auth-loginConfirmed');
+ console.info("authService::event:auth-loginConfirmed");
+ $rootScope.$broadcast('event:auth-loginConfirmed');
+
retryAll();
}
}
@@ -63,6 +65,8 @@ angular.module('http-auth-interceptor', [])
if (response.status === 401) {
var deferred = $q.defer();
authServiceProvider.pushToBuffer(response.config, deferred);
+
+ console.info("authService::event:auth-loginRequired");
$rootScope.$broadcast('event:auth-loginRequired');
return deferred.promise;
}
diff --git a/lib/assets/javascripts/functions.js b/lib/assets/javascripts/functions.js
index a20cdd50..f91e483a 100644
--- a/lib/assets/javascripts/functions.js
+++ b/lib/assets/javascripts/functions.js
@@ -1,19 +1,19 @@
-/**
- * String format function
- * http://www.isurinder.com/blog/post/2011/04/02/StringFormat-In-JavaScript.aspx#.UKWRyvgzpQs
- * @type {Function}
- */
-String.format = String.prototype.format = function() {
- var i=0;
- var string = (typeof(this) == "function" && !(i++)) ? arguments[0] : this;
-
- for (; i < arguments.length; i++){
- string = string.replace(/\{\d+?\}/, arguments[i]);
- }
-
- return string;
-};
+///**
+// * String format function
+// * http://www.isurinder.com/blog/post/2011/04/02/StringFormat-In-JavaScript.aspx#.UKWRyvgzpQs
+// * @type {Function}
+// */
+//String.format = String.prototype.format = function() {
+// var i=0;
+// var string = (typeof(this) == "function" && !(i++)) ? arguments[0] : this;
+//
+// for (; i < arguments.length; i++){
+// string = string.replace(/\{\d+?\}/, arguments[i]);
+// }
+//
+// return string;
+//};
/**
* Generates a unique number for the page. Unique only for each refresh.
@@ -47,6 +47,23 @@ function fluidIf(test, truthyAction, falseyAction){
}
+function toType (obj) {
+ return ({}).toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase()
+}
+
+
+if(!Array.prototype.indexOf) {
+ Array.prototype.indexOf = function(what, i) {
+ i = i || 0;
+ var L = this.length;
+ while (i < L) {
+ if(this[i] === what) return i;
+ ++i;
+ }
+ return -1;
+ };
+}
+
/**
* Is it a valid guid?
* @type {RegExp}
@@ -92,6 +109,7 @@ function popUpWindow(provider_url, width, height, callback) {
var angularCopies = new (function Angular() {
this.fixedEncodeURIComponent = function fixedEncodeURIComponent(str) {
+ str = str || "";
return encodeURIComponent(str)
.replace(/!/g, '%21')
.replace(/'/g, '%27')
@@ -108,6 +126,7 @@ var angularCopies = new (function Angular() {
return parts.length ? parts.join('&') : '';
};
function encodeUriQuery(val, pctEncodeSpaces) {
+ val = val || "";
return encodeURIComponent(val).
replace(/%40/gi, '@').
replace(/%3A/gi, ':').
diff --git a/vendor/assets/javascripts/underscore/underscore.js b/vendor/assets/javascripts/underscore/underscore.js
new file mode 100644
index 00000000..4d83099f
--- /dev/null
+++ b/vendor/assets/javascripts/underscore/underscore.js
@@ -0,0 +1,1221 @@
+// Underscore.js 1.4.3
+// http://underscorejs.org
+// (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
+// Underscore may be freely distributed under the MIT license.
+
+(function() {
+
+ // Baseline setup
+ // --------------
+
+ // Establish the root object, `window` in the browser, or `global` on the server.
+ var root = this;
+
+ // Save the previous value of the `_` variable.
+ var previousUnderscore = root._;
+
+ // Establish the object that gets returned to break out of a loop iteration.
+ var breaker = {};
+
+ // Save bytes in the minified (but not gzipped) version:
+ var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
+
+ // Create quick reference variables for speed access to core prototypes.
+ var push = ArrayProto.push,
+ slice = ArrayProto.slice,
+ concat = ArrayProto.concat,
+ toString = ObjProto.toString,
+ hasOwnProperty = ObjProto.hasOwnProperty;
+
+ // All **ECMAScript 5** native function implementations that we hope to use
+ // are declared here.
+ var
+ nativeForEach = ArrayProto.forEach,
+ nativeMap = ArrayProto.map,
+ nativeReduce = ArrayProto.reduce,
+ nativeReduceRight = ArrayProto.reduceRight,
+ nativeFilter = ArrayProto.filter,
+ nativeEvery = ArrayProto.every,
+ nativeSome = ArrayProto.some,
+ nativeIndexOf = ArrayProto.indexOf,
+ nativeLastIndexOf = ArrayProto.lastIndexOf,
+ nativeIsArray = Array.isArray,
+ nativeKeys = Object.keys,
+ nativeBind = FuncProto.bind;
+
+ // Create a safe reference to the Underscore object for use below.
+ var _ = function(obj) {
+ if (obj instanceof _) return obj;
+ if (!(this instanceof _)) return new _(obj);
+ this._wrapped = obj;
+ };
+
+ // Export the Underscore object for **Node.js**, with
+ // backwards-compatibility for the old `require()` API. If we're in
+ // the browser, add `_` as a global object via a string identifier,
+ // for Closure Compiler "advanced" mode.
+ if (typeof exports !== 'undefined') {
+ if (typeof module !== 'undefined' && module.exports) {
+ exports = module.exports = _;
+ }
+ exports._ = _;
+ } else {
+ root._ = _;
+ }
+
+ // Current version.
+ _.VERSION = '1.4.3';
+
+ // Collection Functions
+ // --------------------
+
+ // The cornerstone, an `each` implementation, aka `forEach`.
+ // Handles objects with the built-in `forEach`, arrays, and raw objects.
+ // Delegates to **ECMAScript 5**'s native `forEach` if available.
+ var each = _.each = _.forEach = function(obj, iterator, context) {
+ if (obj == null) return;
+ if (nativeForEach && obj.forEach === nativeForEach) {
+ obj.forEach(iterator, context);
+ } else if (obj.length === +obj.length) {
+ for (var i = 0, l = obj.length; i < l; i++) {
+ if (iterator.call(context, obj[i], i, obj) === breaker) return;
+ }
+ } else {
+ for (var key in obj) {
+ if (_.has(obj, key)) {
+ if (iterator.call(context, obj[key], key, obj) === breaker) return;
+ }
+ }
+ }
+ };
+
+ // Return the results of applying the iterator to each element.
+ // Delegates to **ECMAScript 5**'s native `map` if available.
+ _.map = _.collect = function(obj, iterator, context) {
+ var results = [];
+ if (obj == null) return results;
+ if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
+ each(obj, function(value, index, list) {
+ results[results.length] = iterator.call(context, value, index, list);
+ });
+ return results;
+ };
+
+ var reduceError = 'Reduce of empty array with no initial value';
+
+ // **Reduce** builds up a single result from a list of values, aka `inject`,
+ // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
+ _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
+ var initial = arguments.length > 2;
+ if (obj == null) obj = [];
+ if (nativeReduce && obj.reduce === nativeReduce) {
+ if (context) iterator = _.bind(iterator, context);
+ return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
+ }
+ each(obj, function(value, index, list) {
+ if (!initial) {
+ memo = value;
+ initial = true;
+ } else {
+ memo = iterator.call(context, memo, value, index, list);
+ }
+ });
+ if (!initial) throw new TypeError(reduceError);
+ return memo;
+ };
+
+ // The right-associative version of reduce, also known as `foldr`.
+ // Delegates to **ECMAScript 5**'s native `reduceRight` if available.
+ _.reduceRight = _.foldr = function(obj, iterator, memo, context) {
+ var initial = arguments.length > 2;
+ if (obj == null) obj = [];
+ if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
+ if (context) iterator = _.bind(iterator, context);
+ return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
+ }
+ var length = obj.length;
+ if (length !== +length) {
+ var keys = _.keys(obj);
+ length = keys.length;
+ }
+ each(obj, function(value, index, list) {
+ index = keys ? keys[--length] : --length;
+ if (!initial) {
+ memo = obj[index];
+ initial = true;
+ } else {
+ memo = iterator.call(context, memo, obj[index], index, list);
+ }
+ });
+ if (!initial) throw new TypeError(reduceError);
+ return memo;
+ };
+
+ // Return the first value which passes a truth test. Aliased as `detect`.
+ _.find = _.detect = function(obj, iterator, context) {
+ var result;
+ any(obj, function(value, index, list) {
+ if (iterator.call(context, value, index, list)) {
+ result = value;
+ return true;
+ }
+ });
+ return result;
+ };
+
+ // Return all the elements that pass a truth test.
+ // Delegates to **ECMAScript 5**'s native `filter` if available.
+ // Aliased as `select`.
+ _.filter = _.select = function(obj, iterator, context) {
+ var results = [];
+ if (obj == null) return results;
+ if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
+ each(obj, function(value, index, list) {
+ if (iterator.call(context, value, index, list)) results[results.length] = value;
+ });
+ return results;
+ };
+
+ // Return all the elements for which a truth test fails.
+ _.reject = function(obj, iterator, context) {
+ return _.filter(obj, function(value, index, list) {
+ return !iterator.call(context, value, index, list);
+ }, context);
+ };
+
+ // Determine whether all of the elements match a truth test.
+ // Delegates to **ECMAScript 5**'s native `every` if available.
+ // Aliased as `all`.
+ _.every = _.all = function(obj, iterator, context) {
+ iterator || (iterator = _.identity);
+ var result = true;
+ if (obj == null) return result;
+ if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
+ each(obj, function(value, index, list) {
+ if (!(result = result && iterator.call(context, value, index, list))) return breaker;
+ });
+ return !!result;
+ };
+
+ // Determine if at least one element in the object matches a truth test.
+ // Delegates to **ECMAScript 5**'s native `some` if available.
+ // Aliased as `any`.
+ var any = _.some = _.any = function(obj, iterator, context) {
+ iterator || (iterator = _.identity);
+ var result = false;
+ if (obj == null) return result;
+ if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
+ each(obj, function(value, index, list) {
+ if (result || (result = iterator.call(context, value, index, list))) return breaker;
+ });
+ return !!result;
+ };
+
+ // Determine if the array or object contains a given value (using `===`).
+ // Aliased as `include`.
+ _.contains = _.include = function(obj, target) {
+ if (obj == null) return false;
+ if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
+ return any(obj, function(value) {
+ return value === target;
+ });
+ };
+
+ // Invoke a method (with arguments) on every item in a collection.
+ _.invoke = function(obj, method) {
+ var args = slice.call(arguments, 2);
+ return _.map(obj, function(value) {
+ return (_.isFunction(method) ? method : value[method]).apply(value, args);
+ });
+ };
+
+ // Convenience version of a common use case of `map`: fetching a property.
+ _.pluck = function(obj, key) {
+ return _.map(obj, function(value){ return value[key]; });
+ };
+
+ // Convenience version of a common use case of `filter`: selecting only objects
+ // with specific `key:value` pairs.
+ _.where = function(obj, attrs) {
+ if (_.isEmpty(attrs)) return [];
+ return _.filter(obj, function(value) {
+ for (var key in attrs) {
+ if (attrs[key] !== value[key]) return false;
+ }
+ return true;
+ });
+ };
+
+ // Return the maximum element or (element-based computation).
+ // Can't optimize arrays of integers longer than 65,535 elements.
+ // See: https://bugs.webkit.org/show_bug.cgi?id=80797
+ _.max = function(obj, iterator, context) {
+ if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
+ return Math.max.apply(Math, obj);
+ }
+ if (!iterator && _.isEmpty(obj)) return -Infinity;
+ var result = {computed : -Infinity, value: -Infinity};
+ each(obj, function(value, index, list) {
+ var computed = iterator ? iterator.call(context, value, index, list) : value;
+ computed >= result.computed && (result = {value : value, computed : computed});
+ });
+ return result.value;
+ };
+
+ // Return the minimum element (or element-based computation).
+ _.min = function(obj, iterator, context) {
+ if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
+ return Math.min.apply(Math, obj);
+ }
+ if (!iterator && _.isEmpty(obj)) return Infinity;
+ var result = {computed : Infinity, value: Infinity};
+ each(obj, function(value, index, list) {
+ var computed = iterator ? iterator.call(context, value, index, list) : value;
+ computed < result.computed && (result = {value : value, computed : computed});
+ });
+ return result.value;
+ };
+
+ // Shuffle an array.
+ _.shuffle = function(obj) {
+ var rand;
+ var index = 0;
+ var shuffled = [];
+ each(obj, function(value) {
+ rand = _.random(index++);
+ shuffled[index - 1] = shuffled[rand];
+ shuffled[rand] = value;
+ });
+ return shuffled;
+ };
+
+ // An internal function to generate lookup iterators.
+ var lookupIterator = function(value) {
+ return _.isFunction(value) ? value : function(obj){ return obj[value]; };
+ };
+
+ // Sort the object's values by a criterion produced by an iterator.
+ _.sortBy = function(obj, value, context) {
+ var iterator = lookupIterator(value);
+ return _.pluck(_.map(obj, function(value, index, list) {
+ return {
+ value : value,
+ index : index,
+ criteria : iterator.call(context, value, index, list)
+ };
+ }).sort(function(left, right) {
+ var a = left.criteria;
+ var b = right.criteria;
+ if (a !== b) {
+ if (a > b || a === void 0) return 1;
+ if (a < b || b === void 0) return -1;
+ }
+ return left.index < right.index ? -1 : 1;
+ }), 'value');
+ };
+
+ // An internal function used for aggregate "group by" operations.
+ var group = function(obj, value, context, behavior) {
+ var result = {};
+ var iterator = lookupIterator(value || _.identity);
+ each(obj, function(value, index) {
+ var key = iterator.call(context, value, index, obj);
+ behavior(result, key, value);
+ });
+ return result;
+ };
+
+ // Groups the object's values by a criterion. Pass either a string attribute
+ // to group by, or a function that returns the criterion.
+ _.groupBy = function(obj, value, context) {
+ return group(obj, value, context, function(result, key, value) {
+ (_.has(result, key) ? result[key] : (result[key] = [])).push(value);
+ });
+ };
+
+ // Counts instances of an object that group by a certain criterion. Pass
+ // either a string attribute to count by, or a function that returns the
+ // criterion.
+ _.countBy = function(obj, value, context) {
+ return group(obj, value, context, function(result, key) {
+ if (!_.has(result, key)) result[key] = 0;
+ result[key]++;
+ });
+ };
+
+ // Use a comparator function to figure out the smallest index at which
+ // an object should be inserted so as to maintain order. Uses binary search.
+ _.sortedIndex = function(array, obj, iterator, context) {
+ iterator = iterator == null ? _.identity : lookupIterator(iterator);
+ var value = iterator.call(context, obj);
+ var low = 0, high = array.length;
+ while (low < high) {
+ var mid = (low + high) >>> 1;
+ iterator.call(context, array[mid]) < value ? low = mid + 1 : high = mid;
+ }
+ return low;
+ };
+
+ // Safely convert anything iterable into a real, live array.
+ _.toArray = function(obj) {
+ if (!obj) return [];
+ if (_.isArray(obj)) return slice.call(obj);
+ if (obj.length === +obj.length) return _.map(obj, _.identity);
+ return _.values(obj);
+ };
+
+ // Return the number of elements in an object.
+ _.size = function(obj) {
+ if (obj == null) return 0;
+ return (obj.length === +obj.length) ? obj.length : _.keys(obj).length;
+ };
+
+ // Array Functions
+ // ---------------
+
+ // Get the first element of an array. Passing **n** will return the first N
+ // values in the array. Aliased as `head` and `take`. The **guard** check
+ // allows it to work with `_.map`.
+ _.first = _.head = _.take = function(array, n, guard) {
+ if (array == null) return void 0;
+ return (n != null) && !guard ? slice.call(array, 0, n) : array[0];
+ };
+
+ // Returns everything but the last entry of the array. Especially useful on
+ // the arguments object. Passing **n** will return all the values in
+ // the array, excluding the last N. The **guard** check allows it to work with
+ // `_.map`.
+ _.initial = function(array, n, guard) {
+ return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
+ };
+
+ // Get the last element of an array. Passing **n** will return the last N
+ // values in the array. The **guard** check allows it to work with `_.map`.
+ _.last = function(array, n, guard) {
+ if (array == null) return void 0;
+ if ((n != null) && !guard) {
+ return slice.call(array, Math.max(array.length - n, 0));
+ } else {
+ return array[array.length - 1];
+ }
+ };
+
+ // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
+ // Especially useful on the arguments object. Passing an **n** will return
+ // the rest N values in the array. The **guard**
+ // check allows it to work with `_.map`.
+ _.rest = _.tail = _.drop = function(array, n, guard) {
+ return slice.call(array, (n == null) || guard ? 1 : n);
+ };
+
+ // Trim out all falsy values from an array.
+ _.compact = function(array) {
+ return _.filter(array, _.identity);
+ };
+
+ // Internal implementation of a recursive `flatten` function.
+ var flatten = function(input, shallow, output) {
+ each(input, function(value) {
+ if (_.isArray(value)) {
+ shallow ? push.apply(output, value) : flatten(value, shallow, output);
+ } else {
+ output.push(value);
+ }
+ });
+ return output;
+ };
+
+ // Return a completely flattened version of an array.
+ _.flatten = function(array, shallow) {
+ return flatten(array, shallow, []);
+ };
+
+ // Return a version of the array that does not contain the specified value(s).
+ _.without = function(array) {
+ return _.difference(array, slice.call(arguments, 1));
+ };
+
+ // Produce a duplicate-free version of the array. If the array has already
+ // been sorted, you have the option of using a faster algorithm.
+ // Aliased as `unique`.
+ _.uniq = _.unique = function(array, isSorted, iterator, context) {
+ if (_.isFunction(isSorted)) {
+ context = iterator;
+ iterator = isSorted;
+ isSorted = false;
+ }
+ var initial = iterator ? _.map(array, iterator, context) : array;
+ var results = [];
+ var seen = [];
+ each(initial, function(value, index) {
+ if (isSorted ? (!index || seen[seen.length - 1] !== value) : !_.contains(seen, value)) {
+ seen.push(value);
+ results.push(array[index]);
+ }
+ });
+ return results;
+ };
+
+ // Produce an array that contains the union: each distinct element from all of
+ // the passed-in arrays.
+ _.union = function() {
+ return _.uniq(concat.apply(ArrayProto, arguments));
+ };
+
+ // Produce an array that contains every item shared between all the
+ // passed-in arrays.
+ _.intersection = function(array) {
+ var rest = slice.call(arguments, 1);
+ return _.filter(_.uniq(array), function(item) {
+ return _.every(rest, function(other) {
+ return _.indexOf(other, item) >= 0;
+ });
+ });
+ };
+
+ // Take the difference between one array and a number of other arrays.
+ // Only the elements present in just the first array will remain.
+ _.difference = function(array) {
+ var rest = concat.apply(ArrayProto, slice.call(arguments, 1));
+ return _.filter(array, function(value){ return !_.contains(rest, value); });
+ };
+
+ // Zip together multiple lists into a single array -- elements that share
+ // an index go together.
+ _.zip = function() {
+ var args = slice.call(arguments);
+ var length = _.max(_.pluck(args, 'length'));
+ var results = new Array(length);
+ for (var i = 0; i < length; i++) {
+ results[i] = _.pluck(args, "" + i);
+ }
+ return results;
+ };
+
+ // Converts lists into objects. Pass either a single array of `[key, value]`
+ // pairs, or two parallel arrays of the same length -- one of keys, and one of
+ // the corresponding values.
+ _.object = function(list, values) {
+ if (list == null) return {};
+ var result = {};
+ for (var i = 0, l = list.length; i < l; i++) {
+ if (values) {
+ result[list[i]] = values[i];
+ } else {
+ result[list[i][0]] = list[i][1];
+ }
+ }
+ return result;
+ };
+
+ // If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
+ // we need this function. Return the position of the first occurrence of an
+ // item in an array, or -1 if the item is not included in the array.
+ // Delegates to **ECMAScript 5**'s native `indexOf` if available.
+ // If the array is large and already in sort order, pass `true`
+ // for **isSorted** to use binary search.
+ _.indexOf = function(array, item, isSorted) {
+ if (array == null) return -1;
+ var i = 0, l = array.length;
+ if (isSorted) {
+ if (typeof isSorted == 'number') {
+ i = (isSorted < 0 ? Math.max(0, l + isSorted) : isSorted);
+ } else {
+ i = _.sortedIndex(array, item);
+ return array[i] === item ? i : -1;
+ }
+ }
+ if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted);
+ for (; i < l; i++) if (array[i] === item) return i;
+ return -1;
+ };
+
+ // Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
+ _.lastIndexOf = function(array, item, from) {
+ if (array == null) return -1;
+ var hasIndex = from != null;
+ if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) {
+ return hasIndex ? array.lastIndexOf(item, from) : array.lastIndexOf(item);
+ }
+ var i = (hasIndex ? from : array.length);
+ while (i--) if (array[i] === item) return i;
+ return -1;
+ };
+
+ // Generate an integer Array containing an arithmetic progression. A port of
+ // the native Python `range()` function. See
+ // [the Python documentation](http://docs.python.org/library/functions.html#range).
+ _.range = function(start, stop, step) {
+ if (arguments.length <= 1) {
+ stop = start || 0;
+ start = 0;
+ }
+ step = arguments[2] || 1;
+
+ var len = Math.max(Math.ceil((stop - start) / step), 0);
+ var idx = 0;
+ var range = new Array(len);
+
+ while(idx < len) {
+ range[idx++] = start;
+ start += step;
+ }
+
+ return range;
+ };
+
+ // Function (ahem) Functions
+ // ------------------
+
+ // Reusable constructor function for prototype setting.
+ var ctor = function(){};
+
+ // Create a function bound to a given object (assigning `this`, and arguments,
+ // optionally). Binding with arguments is also known as `curry`.
+ // Delegates to **ECMAScript 5**'s native `Function.bind` if available.
+ // We check for `func.bind` first, to fail fast when `func` is undefined.
+ _.bind = function(func, context) {
+ var args, bound;
+ if (func.bind === nativeBind && nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
+ if (!_.isFunction(func)) throw new TypeError;
+ args = slice.call(arguments, 2);
+ return bound = function() {
+ if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
+ ctor.prototype = func.prototype;
+ var self = new ctor;
+ ctor.prototype = null;
+ var result = func.apply(self, args.concat(slice.call(arguments)));
+ if (Object(result) === result) return result;
+ return self;
+ };
+ };
+
+ // Bind all of an object's methods to that object. Useful for ensuring that
+ // all callbacks defined on an object belong to it.
+ _.bindAll = function(obj) {
+ var funcs = slice.call(arguments, 1);
+ if (funcs.length == 0) funcs = _.functions(obj);
+ each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
+ return obj;
+ };
+
+ // Memoize an expensive function by storing its results.
+ _.memoize = function(func, hasher) {
+ var memo = {};
+ hasher || (hasher = _.identity);
+ return function() {
+ var key = hasher.apply(this, arguments);
+ return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
+ };
+ };
+
+ // Delays a function for the given number of milliseconds, and then calls
+ // it with the arguments supplied.
+ _.delay = function(func, wait) {
+ var args = slice.call(arguments, 2);
+ return setTimeout(function(){ return func.apply(null, args); }, wait);
+ };
+
+ // Defers a function, scheduling it to run after the current call stack has
+ // cleared.
+ _.defer = function(func) {
+ return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
+ };
+
+ // Returns a function, that, when invoked, will only be triggered at most once
+ // during a given window of time.
+ _.throttle = function(func, wait) {
+ var context, args, timeout, result;
+ var previous = 0;
+ var later = function() {
+ previous = new Date;
+ timeout = null;
+ result = func.apply(context, args);
+ };
+ return function() {
+ var now = new Date;
+ var remaining = wait - (now - previous);
+ context = this;
+ args = arguments;
+ if (remaining <= 0) {
+ clearTimeout(timeout);
+ timeout = null;
+ previous = now;
+ result = func.apply(context, args);
+ } else if (!timeout) {
+ timeout = setTimeout(later, remaining);
+ }
+ return result;
+ };
+ };
+
+ // Returns a function, that, as long as it continues to be invoked, will not
+ // be triggered. The function will be called after it stops being called for
+ // N milliseconds. If `immediate` is passed, trigger the function on the
+ // leading edge, instead of the trailing.
+ _.debounce = function(func, wait, immediate) {
+ var timeout, result;
+ return function() {
+ var context = this, args = arguments;
+ var later = function() {
+ timeout = null;
+ if (!immediate) result = func.apply(context, args);
+ };
+ var callNow = immediate && !timeout;
+ clearTimeout(timeout);
+ timeout = setTimeout(later, wait);
+ if (callNow) result = func.apply(context, args);
+ return result;
+ };
+ };
+
+ // Returns a function that will be executed at most one time, no matter how
+ // often you call it. Useful for lazy initialization.
+ _.once = function(func) {
+ var ran = false, memo;
+ return function() {
+ if (ran) return memo;
+ ran = true;
+ memo = func.apply(this, arguments);
+ func = null;
+ return memo;
+ };
+ };
+
+ // Returns the first function passed as an argument to the second,
+ // allowing you to adjust arguments, run code before and after, and
+ // conditionally execute the original function.
+ _.wrap = function(func, wrapper) {
+ return function() {
+ var args = [func];
+ push.apply(args, arguments);
+ return wrapper.apply(this, args);
+ };
+ };
+
+ // Returns a function that is the composition of a list of functions, each
+ // consuming the return value of the function that follows.
+ _.compose = function() {
+ var funcs = arguments;
+ return function() {
+ var args = arguments;
+ for (var i = funcs.length - 1; i >= 0; i--) {
+ args = [funcs[i].apply(this, args)];
+ }
+ return args[0];
+ };
+ };
+
+ // Returns a function that will only be executed after being called N times.
+ _.after = function(times, func) {
+ if (times <= 0) return func();
+ return function() {
+ if (--times < 1) {
+ return func.apply(this, arguments);
+ }
+ };
+ };
+
+ // Object Functions
+ // ----------------
+
+ // Retrieve the names of an object's properties.
+ // Delegates to **ECMAScript 5**'s native `Object.keys`
+ _.keys = nativeKeys || function(obj) {
+ if (obj !== Object(obj)) throw new TypeError('Invalid object');
+ var keys = [];
+ for (var key in obj) if (_.has(obj, key)) keys[keys.length] = key;
+ return keys;
+ };
+
+ // Retrieve the values of an object's properties.
+ _.values = function(obj) {
+ var values = [];
+ for (var key in obj) if (_.has(obj, key)) values.push(obj[key]);
+ return values;
+ };
+
+ // Convert an object into a list of `[key, value]` pairs.
+ _.pairs = function(obj) {
+ var pairs = [];
+ for (var key in obj) if (_.has(obj, key)) pairs.push([key, obj[key]]);
+ return pairs;
+ };
+
+ // Invert the keys and values of an object. The values must be serializable.
+ _.invert = function(obj) {
+ var result = {};
+ for (var key in obj) if (_.has(obj, key)) result[obj[key]] = key;
+ return result;
+ };
+
+ // Return a sorted list of the function names available on the object.
+ // Aliased as `methods`
+ _.functions = _.methods = function(obj) {
+ var names = [];
+ for (var key in obj) {
+ if (_.isFunction(obj[key])) names.push(key);
+ }
+ return names.sort();
+ };
+
+ // Extend a given object with all the properties in passed-in object(s).
+ _.extend = function(obj) {
+ each(slice.call(arguments, 1), function(source) {
+ if (source) {
+ for (var prop in source) {
+ obj[prop] = source[prop];
+ }
+ }
+ });
+ return obj;
+ };
+
+ // Return a copy of the object only containing the whitelisted properties.
+ _.pick = function(obj) {
+ var copy = {};
+ var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
+ each(keys, function(key) {
+ if (key in obj) copy[key] = obj[key];
+ });
+ return copy;
+ };
+
+ // Return a copy of the object without the blacklisted properties.
+ _.omit = function(obj) {
+ var copy = {};
+ var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
+ for (var key in obj) {
+ if (!_.contains(keys, key)) copy[key] = obj[key];
+ }
+ return copy;
+ };
+
+ // Fill in a given object with default properties.
+ _.defaults = function(obj) {
+ each(slice.call(arguments, 1), function(source) {
+ if (source) {
+ for (var prop in source) {
+ if (obj[prop] == null) obj[prop] = source[prop];
+ }
+ }
+ });
+ return obj;
+ };
+
+ // Create a (shallow-cloned) duplicate of an object.
+ _.clone = function(obj) {
+ if (!_.isObject(obj)) return obj;
+ return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
+ };
+
+ // Invokes interceptor with the obj, and then returns obj.
+ // The primary purpose of this method is to "tap into" a method chain, in
+ // order to perform operations on intermediate results within the chain.
+ _.tap = function(obj, interceptor) {
+ interceptor(obj);
+ return obj;
+ };
+
+ // Internal recursive comparison function for `isEqual`.
+ var eq = function(a, b, aStack, bStack) {
+ // Identical objects are equal. `0 === -0`, but they aren't identical.
+ // See the Harmony `egal` proposal: http://wiki.ecmascript.org/doku.php?id=harmony:egal.
+ if (a === b) return a !== 0 || 1 / a == 1 / b;
+ // A strict comparison is necessary because `null == undefined`.
+ if (a == null || b == null) return a === b;
+ // Unwrap any wrapped objects.
+ if (a instanceof _) a = a._wrapped;
+ if (b instanceof _) b = b._wrapped;
+ // Compare `[[Class]]` names.
+ var className = toString.call(a);
+ if (className != toString.call(b)) return false;
+ switch (className) {
+ // Strings, numbers, dates, and booleans are compared by value.
+ case '[object String]':
+ // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
+ // equivalent to `new String("5")`.
+ return a == String(b);
+ case '[object Number]':
+ // `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
+ // other numeric values.
+ return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);
+ case '[object Date]':
+ case '[object Boolean]':
+ // Coerce dates and booleans to numeric primitive values. Dates are compared by their
+ // millisecond representations. Note that invalid dates with millisecond representations
+ // of `NaN` are not equivalent.
+ return +a == +b;
+ // RegExps are compared by their source patterns and flags.
+ case '[object RegExp]':
+ return a.source == b.source &&
+ a.global == b.global &&
+ a.multiline == b.multiline &&
+ a.ignoreCase == b.ignoreCase;
+ }
+ if (typeof a != 'object' || typeof b != 'object') return false;
+ // Assume equality for cyclic structures. The algorithm for detecting cyclic
+ // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
+ var length = aStack.length;
+ while (length--) {
+ // Linear search. Performance is inversely proportional to the number of
+ // unique nested structures.
+ if (aStack[length] == a) return bStack[length] == b;
+ }
+ // Add the first object to the stack of traversed objects.
+ aStack.push(a);
+ bStack.push(b);
+ var size = 0, result = true;
+ // Recursively compare objects and arrays.
+ if (className == '[object Array]') {
+ // Compare array lengths to determine if a deep comparison is necessary.
+ size = a.length;
+ result = size == b.length;
+ if (result) {
+ // Deep compare the contents, ignoring non-numeric properties.
+ while (size--) {
+ if (!(result = eq(a[size], b[size], aStack, bStack))) break;
+ }
+ }
+ } else {
+ // Objects with different constructors are not equivalent, but `Object`s
+ // from different frames are.
+ var aCtor = a.constructor, bCtor = b.constructor;
+ if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&
+ _.isFunction(bCtor) && (bCtor instanceof bCtor))) {
+ return false;
+ }
+ // Deep compare objects.
+ for (var key in a) {
+ if (_.has(a, key)) {
+ // Count the expected number of properties.
+ size++;
+ // Deep compare each member.
+ if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break;
+ }
+ }
+ // Ensure that both objects contain the same number of properties.
+ if (result) {
+ for (key in b) {
+ if (_.has(b, key) && !(size--)) break;
+ }
+ result = !size;
+ }
+ }
+ // Remove the first object from the stack of traversed objects.
+ aStack.pop();
+ bStack.pop();
+ return result;
+ };
+
+ // Perform a deep comparison to check if two objects are equal.
+ _.isEqual = function(a, b) {
+ return eq(a, b, [], []);
+ };
+
+ // Is a given array, string, or object empty?
+ // An "empty" object has no enumerable own-properties.
+ _.isEmpty = function(obj) {
+ if (obj == null) return true;
+ if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
+ for (var key in obj) if (_.has(obj, key)) return false;
+ return true;
+ };
+
+ // Is a given value a DOM element?
+ _.isElement = function(obj) {
+ return !!(obj && obj.nodeType === 1);
+ };
+
+ // Is a given value an array?
+ // Delegates to ECMA5's native Array.isArray
+ _.isArray = nativeIsArray || function(obj) {
+ return toString.call(obj) == '[object Array]';
+ };
+
+ // Is a given variable an object?
+ _.isObject = function(obj) {
+ return obj === Object(obj);
+ };
+
+ // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp.
+ each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) {
+ _['is' + name] = function(obj) {
+ return toString.call(obj) == '[object ' + name + ']';
+ };
+ });
+
+ // Define a fallback version of the method in browsers (ahem, IE), where
+ // there isn't any inspectable "Arguments" type.
+ if (!_.isArguments(arguments)) {
+ _.isArguments = function(obj) {
+ return !!(obj && _.has(obj, 'callee'));
+ };
+ }
+
+ // Optimize `isFunction` if appropriate.
+ if (typeof (/./) !== 'function') {
+ _.isFunction = function(obj) {
+ return typeof obj === 'function';
+ };
+ }
+
+ // Is a given object a finite number?
+ _.isFinite = function(obj) {
+ return isFinite(obj) && !isNaN(parseFloat(obj));
+ };
+
+ // Is the given value `NaN`? (NaN is the only number which does not equal itself).
+ _.isNaN = function(obj) {
+ return _.isNumber(obj) && obj != +obj;
+ };
+
+ // Is a given value a boolean?
+ _.isBoolean = function(obj) {
+ return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
+ };
+
+ // Is a given value equal to null?
+ _.isNull = function(obj) {
+ return obj === null;
+ };
+
+ // Is a given variable undefined?
+ _.isUndefined = function(obj) {
+ return obj === void 0;
+ };
+
+ // Shortcut function for checking if an object has a given property directly
+ // on itself (in other words, not on a prototype).
+ _.has = function(obj, key) {
+ return hasOwnProperty.call(obj, key);
+ };
+
+ // Utility Functions
+ // -----------------
+
+ // Run Underscore.js in *noConflict* mode, returning the `_` variable to its
+ // previous owner. Returns a reference to the Underscore object.
+ _.noConflict = function() {
+ root._ = previousUnderscore;
+ return this;
+ };
+
+ // Keep the identity function around for default iterators.
+ _.identity = function(value) {
+ return value;
+ };
+
+ // Run a function **n** times.
+ _.times = function(n, iterator, context) {
+ var accum = Array(n);
+ for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);
+ return accum;
+ };
+
+ // Return a random integer between min and max (inclusive).
+ _.random = function(min, max) {
+ if (max == null) {
+ max = min;
+ min = 0;
+ }
+ return min + (0 | Math.random() * (max - min + 1));
+ };
+
+ // List of HTML entities for escaping.
+ var entityMap = {
+ escape: {
+ '&': '&',
+ '<': '<',
+ '>': '>',
+ '"': '"',
+ "'": ''',
+ '/': '/'
+ }
+ };
+ entityMap.unescape = _.invert(entityMap.escape);
+
+ // Regexes containing the keys and values listed immediately above.
+ var entityRegexes = {
+ escape: new RegExp('[' + _.keys(entityMap.escape).join('') + ']', 'g'),
+ unescape: new RegExp('(' + _.keys(entityMap.unescape).join('|') + ')', 'g')
+ };
+
+ // Functions for escaping and unescaping strings to/from HTML interpolation.
+ _.each(['escape', 'unescape'], function(method) {
+ _[method] = function(string) {
+ if (string == null) return '';
+ return ('' + string).replace(entityRegexes[method], function(match) {
+ return entityMap[method][match];
+ });
+ };
+ });
+
+ // If the value of the named property is a function then invoke it;
+ // otherwise, return it.
+ _.result = function(object, property) {
+ if (object == null) return null;
+ var value = object[property];
+ return _.isFunction(value) ? value.call(object) : value;
+ };
+
+ // Add your own custom functions to the Underscore object.
+ _.mixin = function(obj) {
+ each(_.functions(obj), function(name){
+ var func = _[name] = obj[name];
+ _.prototype[name] = function() {
+ var args = [this._wrapped];
+ push.apply(args, arguments);
+ return result.call(this, func.apply(_, args));
+ };
+ });
+ };
+
+ // Generate a unique integer id (unique within the entire client session).
+ // Useful for temporary DOM ids.
+ var idCounter = 0;
+ _.uniqueId = function(prefix) {
+ var id = '' + ++idCounter;
+ return prefix ? prefix + id : id;
+ };
+
+ // By default, Underscore uses ERB-style template delimiters, change the
+ // following template settings to use alternative delimiters.
+ _.templateSettings = {
+ evaluate : /<%([\s\S]+?)%>/g,
+ interpolate : /<%=([\s\S]+?)%>/g,
+ escape : /<%-([\s\S]+?)%>/g
+ };
+
+ // When customizing `templateSettings`, if you don't want to define an
+ // interpolation, evaluation or escaping regex, we need one that is
+ // guaranteed not to match.
+ var noMatch = /(.)^/;
+
+ // Certain characters need to be escaped so that they can be put into a
+ // string literal.
+ var escapes = {
+ "'": "'",
+ '\\': '\\',
+ '\r': 'r',
+ '\n': 'n',
+ '\t': 't',
+ '\u2028': 'u2028',
+ '\u2029': 'u2029'
+ };
+
+ var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g;
+
+ // JavaScript micro-templating, similar to John Resig's implementation.
+ // Underscore templating handles arbitrary delimiters, preserves whitespace,
+ // and correctly escapes quotes within interpolated code.
+ _.template = function(text, data, settings) {
+ settings = _.defaults({}, settings, _.templateSettings);
+
+ // Combine delimiters into one regular expression via alternation.
+ var matcher = new RegExp([
+ (settings.escape || noMatch).source,
+ (settings.interpolate || noMatch).source,
+ (settings.evaluate || noMatch).source
+ ].join('|') + '|$', 'g');
+
+ // Compile the template source, escaping string literals appropriately.
+ var index = 0;
+ var source = "__p+='";
+ text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
+ source += text.slice(index, offset)
+ .replace(escaper, function(match) { return '\\' + escapes[match]; });
+
+ if (escape) {
+ source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
+ }
+ if (interpolate) {
+ source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
+ }
+ if (evaluate) {
+ source += "';\n" + evaluate + "\n__p+='";
+ }
+ index = offset + match.length;
+ return match;
+ });
+ source += "';\n";
+
+ // If a variable is not specified, place data values in local scope.
+ if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
+
+ source = "var __t,__p='',__j=Array.prototype.join," +
+ "print=function(){__p+=__j.call(arguments,'');};\n" +
+ source + "return __p;\n";
+
+ try {
+ var render = new Function(settings.variable || 'obj', '_', source);
+ } catch (e) {
+ e.source = source;
+ throw e;
+ }
+
+ if (data) return render(data, _);
+ var template = function(data) {
+ return render.call(this, data, _);
+ };
+
+ // Provide the compiled function source as a convenience for precompilation.
+ template.source = 'function(' + (settings.variable || 'obj') + '){\n' + source + '}';
+
+ return template;
+ };
+
+ // Add a "chain" function, which will delegate to the wrapper.
+ _.chain = function(obj) {
+ return _(obj).chain();
+ };
+
+ // OOP
+ // ---------------
+ // If Underscore is called as a function, it returns a wrapped object that
+ // can be used OO-style. This wrapper holds altered versions of all the
+ // underscore functions. Wrapped objects may be chained.
+
+ // Helper function to continue chaining intermediate results.
+ var result = function(obj) {
+ return this._chain ? _(obj).chain() : obj;
+ };
+
+ // Add all of the Underscore functions to the wrapper object.
+ _.mixin(_);
+
+ // Add all mutator Array functions to the wrapper.
+ each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
+ var method = ArrayProto[name];
+ _.prototype[name] = function() {
+ var obj = this._wrapped;
+ method.apply(obj, arguments);
+ if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0];
+ return result.call(this, obj);
+ };
+ });
+
+ // Add all accessor Array functions to the wrapper.
+ each(['concat', 'join', 'slice'], function(name) {
+ var method = ArrayProto[name];
+ _.prototype[name] = function() {
+ return result.call(this, method.apply(this._wrapped, arguments));
+ };
+ });
+
+ _.extend(_.prototype, {
+
+ // Start chaining a wrapped Underscore object.
+ chain: function() {
+ this._chain = true;
+ return this;
+ },
+
+ // Extracts the result from a wrapped and chained object.
+ value: function() {
+ return this._wrapped;
+ }
+
+ });
+
+}).call(this);
diff --git a/vendor/assets/javascripts/vendor.js b/vendor/assets/javascripts/vendor.js
new file mode 100644
index 00000000..e69de29b