tor-commits November 2017

tor-commits@lists.torproject.org

16 participants
2019 discussions

[atlas/master] Removes link to broken search page from full aggregation
by irl＠torproject.org 26 Nov '17

26 Nov '17

commit b891c7a470e530b433bc028d817385882feb39a5 Author: Iain R. Learmonth <irl(a)fsfe.org> Date: Sun Nov 26 15:47:23 2017 +0000 Removes link to broken search page from full aggregation --- templates/aggregate/search.html | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/templates/aggregate/search.html b/templates/aggregate/search.html index 5c3973c..d76ed16 100644 --- a/templates/aggregate/search.html +++ b/templates/aggregate/search.html @@ -84,7 +84,11 @@ <td data-order="<%= aggregate.middle_probability %>"><%= (aggregate.middle_probability * 100).toFixed(4) %>%</td> <td data-order="<%= aggregate.exit_probability %>"><%= (aggregate.exit_probability * 100).toFixed(4) %>%</td> <td> - <a href="#search/<% if ((typeof aggregate.as) == "string" && query.indexOf("as:") == -1) { %>as:<%= aggregate.as %> <% } if ((typeof aggregate.country) == "string" && query.indexOf("country:") == -1) { %>country:<%= aggregate.country %> <% } %><%= (query) ? query + " " : "" %>"><%= aggregate.relays %></a></td> + <% if ((typeof aggregate.as) == "string" || (typeof aggregate.country) == "string") { %> + <a href="#search/<% if ((typeof aggregate.as) == "string" && query.indexOf("as:") == -1) { %>as:<%= aggregate.as %> <% } if ((typeof aggregate.country) == "string" && query.indexOf("country:") == -1) { %>country:<%= aggregate.country %> <% } %><%= (query) ? query + " " : "" %>"><%= aggregate.relays %></a> + <% } else { %> + <%= aggregate.relays %> + <% } %> </td> <td> <% if (aggregate.guards > 0) { %>

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[atlas/master] Fix handling of secondary search on Top Relays page
by irl＠torproject.org 26 Nov '17

26 Nov '17

commit f6f5a7b14bb3c6e51d1b970a4b6139c0f4d84e65 Author: Iain R. Learmonth <irl(a)fsfe.org> Date: Sun Nov 26 15:43:47 2017 +0000 Fix handling of secondary search on Top Relays page --- js/router.js | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/js/router.js b/js/router.js index c22bcf9..8052f82 100644 --- a/js/router.js +++ b/js/router.js @@ -166,9 +166,9 @@ define([ showTopRelays: function(){ $(".breadcrumb").html("<li><a href=\"https://metrics.torproject.org/\">Home</a></li><li><a href=\"https://metrics.torproject.org/services.html\">Services</a></li><li><a href=\"#\">Relay Search</a></li><li class=\"active\">Top Relays</li>"); - $("#secondary-search").show(); $("#secondary-search-query").val(""); + $("#secondary-search").hide(); $("#content").hide(); $(".progress").show(); @@ -181,6 +181,7 @@ define([ $("#search-title").text("Top Relays by Consensus Weight"); $(".progress").hide(); $("#content").show(); + $("#secondary-search").show(); }, error: function(erno){ @@ -188,6 +189,7 @@ define([ doSearchView.renderError(); $(".progress").hide(); $("#content").show(); + $("#secondary-search").show(); } }); },

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[atlas/master] Fixes long-lived performance bug; max result set size to 2000
by irl＠torproject.org 26 Nov '17

26 Nov '17

commit b02efd6b0cb5263c37bd81f6f16b4cdeba5b11b7 Author: Iain R. Learmonth <irl(a)fsfe.org> Date: Sun Nov 26 02:21:40 2017 +0000 Fixes long-lived performance bug; max result set size to 2000 * The Backbone.js collection for the search results was being updated for every relay "looked up", when really this should only have happened when all relays had been processed. * Relays are now loaded in chunks, with a progress bar updating to show how many have been loaded. * When loading the secondary search box is removed from view as the updates are happening asynchronously and bad things would happen if the load was interrupted by a second search. --- css/atlas.css | 4 +-- index.html | 2 +- js/collections/results.js | 49 +++++++++++++++++++++--------------- js/helpers.js | 9 +++++++ js/router.js | 64 ++++++++++++++++++++++++++--------------------- templates/search/do.html | 4 +-- 6 files changed, 78 insertions(+), 54 deletions(-) diff --git a/css/atlas.css b/css/atlas.css index cdbec5e..41f799f 100644 --- a/css/atlas.css +++ b/css/atlas.css @@ -4,8 +4,8 @@ display: none; } -.progress .bar { - width: 50%; +.progress-bar { + width: 100%; } a.alleged { diff --git a/index.html b/index.html index 9ab3516..10aa909 100644 --- a/index.html +++ b/index.html @@ -151,7 +151,7 @@ </form> <h1>Relay Search</h1> <div class="progress progress-info progress-striped active"> - <div class="progress-bar"></div> + <div class="progress-bar">Rendering results...</div> </div> <div id="content"> <noscript> diff --git a/js/collections/results.js b/js/collections/results.js index da8a6a4..73ef819 100644 --- a/js/collections/results.js +++ b/js/collections/results.js @@ -41,29 +41,38 @@ define([ if (relays.length == 0) { error(0); return false; - } else if (relays.length > 500) { - relays = relays.slice(0, 500); + } else if (relays.length > 2000) { + relays = relays.slice(0, 2000); err = 4; } var lookedUpRelays = 0; - _.each(relays, function(relay) { - var lookedUp = function() { - lookedUpRelays++; - if (lookedUpRelays == relays.length) { - success(err, relaysPublished, bridgesPublished); - } - } - relay.lookup({ - success: function(){ - collection[options.add ? 'add' : 'reset'](relays, options); - lookedUp(); - }, - error: function() { - lookedUp(); - error(0); - } - }); - }); + var relayChunks = relays.chunk(600); + var chunkedLookup = function() { + _.each(relayChunks.pop(), function(relay) { + relay.lookup({ + success: function(){ + lookedUpRelays++; + }, + error: function() { + lookedUpRelays++; + error(0); + } + }); + }); + if (lookedUpRelays == relays.length) { + $('.progress-bar').width("100%"); + $('.progress-bar').html("Rendering results..."); + setTimeout(function() { + collection[options.add ? 'add' : 'reset'](relays, options); + success(err, relaysPublished, bridgesPublished); + }, 500); + } else { + $('.progress-bar').width((lookedUpRelays / relays.length * 100) + "%"); + $('.progress-bar').html(lookedUpRelays + " of " + relays.length + " loaded"); + setTimeout(chunkedLookup, 50); + } + } + chunkedLookup(); }).fail( function(jqXHR, textStatus, errorThrown) { if(jqXHR.statusText == "error") { diff --git a/js/helpers.js b/js/helpers.js index 214db67..457702b 100644 --- a/js/helpers.js +++ b/js/helpers.js @@ -278,3 +278,12 @@ window.onhashchange = function(){ $('.btn-navbar').click(); } } + +Object.defineProperty(Array.prototype, 'chunk', { + value: function(chunkSize) { + var R = []; + for (var i=0; i<this.length; i+=chunkSize) + R.push(this.slice(i,i+chunkSize)); + return R; + } +}); diff --git a/js/router.js b/js/router.js index 118c094..fed87ba 100644 --- a/js/router.js +++ b/js/router.js @@ -61,23 +61,24 @@ define([ // Empty aggregation query emptyAggregateSearch: function() { $(".breadcrumb").html("<li><a href=\"https://metrics.torproject.org/\">Home</a></li><li><a href=\"https://metrics.torproject.org/services.html\">Services</a></li><li><a href=\"#\">Relay Search</a></li><li class=\"active\">Error</li>"); - $("#secondary-search").show(); $("#secondary-search-query").val(""); + $("#secondary-search").hide(); $("#content").hide(); $(".progress").show(); - doSearchView.error = 5; - doSearchView.renderError(); - $(".progress").hide(); - $("#content").show(); + aggregateSearchView.error = 5; + aggregateSearchView.renderError(); + $(".progress").hide(); + $("#secondary-search").show(); + $("#content").show(); }, // Perform a countries aggregation aggregateSearch: function(aType, query){ $(".breadcrumb").html("<li><a href=\"https://metrics.torproject.org/\">Home</a></li><li><a href=\"https://metrics.torproject.org/services.html\">Services</a></li><li><a href=\"#\">Relay Search</a></li><li class=\"active\">Aggregated search" + ((query) ? " for " + query : "") + "</li>"); - $("#secondary-search").show(); $("#content").hide(); + $("#secondary-search").hide(); $(".progress").show(); aggregateSearchView.collection.aType = (aType) ? aType : "all"; @@ -100,12 +101,14 @@ define([ aggregateSearchView.render(query); $("#search-title").text("Aggregated results" + ((query) ? " for " + query : "")); $(".progress").hide(); + $("#secondary-search").show(); $("#content").show(); }, error: function(err){ aggregateSearchView.error = err; aggregateSearchView.renderError(); $(".progress").hide(); + $("#secondary-search").show(); $("#content").show(); } }); @@ -114,8 +117,8 @@ define([ // Perform a search on Atlas doSearch: function(query){ $(".breadcrumb").html("<li><a href=\"https://metrics.torproject.org/\">Home</a></li><li><a href=\"https://metrics.torproject.org/services.html\">Services</a></li><li><a href=\"#\">Relay Search</a></li><li class=\"active\">Search for " + query + "</li>"); - $("#secondary-search").show(); + $("#secondary-search").hide(); $("#content").hide(); $(".progress").show(); @@ -124,37 +127,40 @@ define([ doSearchView.renderError(); $(".progress").hide(); $("#content").show(); + $("#secondary-search").show(); } else { query = query.trim(); $("#secondary-search-query").val(query); doSearchView.collection.url = doSearchView.collection.baseurl + this.hashFingerprint(query); doSearchView.collection.lookup({ - success: function(err, relaysPublished, bridgesPublished){ - doSearchView.relays = doSearchView.collection.models; - // Redirect to the details page when there is exactly one - // search result. - if (doSearchView.relays.length == 1) { - document.location.replace("#details/" + - doSearchView.relays[0].fingerprint); - return; - } + success: function(err, relaysPublished, bridgesPublished){ + doSearchView.relays = doSearchView.collection.models; + // Redirect to the details page when there is exactly one + // search result. + if (doSearchView.relays.length == 1) { + document.location.replace("#details/" + + doSearchView.relays[0].fingerprint); + return; + } doSearchView.error = err; - doSearchView.relaysPublished = relaysPublished; - doSearchView.bridgesPublished = bridgesPublished; - doSearchView.render(query); - $("#search-title").text(query); - $(".progress").hide(); - $("#content").show(); - }, - - error: function(err){ + doSearchView.relaysPublished = relaysPublished; + doSearchView.bridgesPublished = bridgesPublished; + doSearchView.render(query); + $("#search-title").text(query); + $("#secondary-search").show(); + $(".progress").hide(); + $("#content").show(); + }, + + error: function(err){ doSearchView.error = err; doSearchView.renderError(); - $(".progress").hide(); - $("#content").show(); - } - }); + $(".progress").hide(); + $("#content").show(); + $("#secondary-search").show(); + } + }); } }, showTopRelays: function(){ diff --git a/templates/search/do.html b/templates/search/do.html index fb32fdb..3935182 100644 --- a/templates/search/do.html +++ b/templates/search/do.html @@ -39,8 +39,8 @@ <% if (error == 4) { %> <div class="alert alert-warning"> <strong>Too many matches!</strong><p>The current version of - Relay Search does not support a result set greater than 500 and only displays - the first 500 hits. This is due to some performance issues in rendering + Relay Search does not support a result set greater than 2000 and only displays + the first 2000 hits. This is due to some performance issues in rendering large results sets in JavaScript. Future versions will hopefully manage to overcome this issue.</p> <% if ( ! query.includes("running:true") ) { %><p>You may find it

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[atlas/master] Makes numbers in Guard and Exit column clickable (Fixes: #24402)
by irl＠torproject.org 26 Nov '17

26 Nov '17

commit e50d28c45c8f6a3018dd6c1e802e511e34dcd28e Author: Iain R. Learmonth <irl(a)fsfe.org> Date: Sun Nov 26 14:36:29 2017 +0000 Makes numbers in Guard and Exit column clickable (Fixes: #24402) --- js/views/aggregate/search.js | 4 ++-- templates/aggregate/search.html | 20 +++++++++++++++++--- 2 files changed, 19 insertions(+), 5 deletions(-) diff --git a/js/views/aggregate/search.js b/js/views/aggregate/search.js index d189908..b3eeaeb 100644 --- a/js/views/aggregate/search.js +++ b/js/views/aggregate/search.js @@ -11,7 +11,7 @@ define([ 'bootstrap', 'datatablesbs' ], function($, _, Backbone, aggregatesCollection, aggregateSearchTemplate){ - var doCountriesView = Backbone.View.extend({ + var aggregateSearchView = Backbone.View.extend({ el: "#content", initialize: function() { this.collection = new aggregatesCollection; @@ -42,6 +42,6 @@ define([ this.$el.html(compiledTemplate({aggregates: null, error: this.error, countries: null})); } }); - return new doCountriesView; + return new aggregateSearchView; }); diff --git a/templates/aggregate/search.html b/templates/aggregate/search.html index 34db02c..5c3973c 100644 --- a/templates/aggregate/search.html +++ b/templates/aggregate/search.html @@ -83,9 +83,23 @@ <td data-order="<%= aggregate.guard_probability %>"><%= (aggregate.guard_probability * 100).toFixed(4) %>%</td> <td data-order="<%= aggregate.middle_probability %>"><%= (aggregate.middle_probability * 100).toFixed(4) %>%</td> <td data-order="<%= aggregate.exit_probability %>"><%= (aggregate.exit_probability * 100).toFixed(4) %>%</td> - <td><%= aggregate.relays %></td> - <td><%= aggregate.guards %></td> - <td><%= aggregate.exits %></td> + <td> + <a href="#search/<% if ((typeof aggregate.as) == "string" && query.indexOf("as:") == -1) { %>as:<%= aggregate.as %> <% } if ((typeof aggregate.country) == "string" && query.indexOf("country:") == -1) { %>country:<%= aggregate.country %> <% } %><%= (query) ? query + " " : "" %>"><%= aggregate.relays %></a></td> + </td> + <td> + <% if (aggregate.guards > 0) { %> + <a href="#search/<% if ((typeof aggregate.as) == "string" && query.indexOf("as:") == -1) { %>as:<%= aggregate.as %> <% } if ((typeof aggregate.country) == "string" && query.indexOf("country:") == -1) { %>country:<%= aggregate.country %> <% } %><%= (query) ? query + " " : "" %><% if (query.indexOf("flag:") == -1) { %>flag:guard<% } %>"><%= aggregate.guards %></a></td> + <% } else { %> + 0 + <% } %> + </td> + <td> + <% if (aggregate.exits > 0) { %> + <a href="#search/<% if ((typeof aggregate.as) == "string" && query.indexOf("as:") == -1) { %>as:<%= aggregate.as %> <% } if ((typeof aggregate.country) == "string" && query.indexOf("country:") == -1) { %>country:<%= aggregate.country %> <% } %><%= (query) ? query + " " : "" %><% if (query.indexOf("flag:") == -1) { %>flag:exit<% } %>"><%= aggregate.exits %></a></td> + <% } else { %> + 0 + <% } %> + </td> </tr> <% }); %> </tbody>

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[atlas/master] Bump cache breaker
by irl＠torproject.org 26 Nov '17

26 Nov '17

commit 4e3142d68558e5c7c73e52a7a45ce06f0259a057 Author: Iain R. Learmonth <irl(a)fsfe.org> Date: Sun Nov 26 14:37:24 2017 +0000 Bump cache breaker --- index.html | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/index.html b/index.html index 10aa909..6236f18 100644 --- a/index.html +++ b/index.html @@ -41,7 +41,7 @@ <script src="https://metrics.torproject.org/js/script.js"></script>  - <link rel="stylesheet" href="css/atlas.css?v7"> + <link rel="stylesheet" href="css/atlas.css?v8"> </head> @@ -168,7 +168,7 @@ $('.cookie-message').cookieBar({ closeButton: '.cbc' }); </script> <script> var require = { - urlArgs: "v7" + urlArgs: "v8" }; </script> <script data-main="js/main" src="js/libs/require/require.js"></script>

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[atlas/master] Allow direct linking to the aggregated search form
by irl＠torproject.org 26 Nov '17

26 Nov '17

commit c41cc88afafdda7e831656697cc5e358ca52a68c Author: Iain R. Learmonth <irl(a)fsfe.org> Date: Sun Nov 26 14:16:39 2017 +0000 Allow direct linking to the aggregated search form --- js/router.js | 14 +++++++++++++- templates/search/main.html | 6 +++--- 2 files changed, 16 insertions(+), 4 deletions(-) diff --git a/js/router.js b/js/router.js index fed87ba..c22bcf9 100644 --- a/js/router.js +++ b/js/router.js @@ -18,7 +18,7 @@ define([ 'search/': 'doSearch', 'top10': 'showTopRelays', 'toprelays': 'showTopRelays', - 'aggregate(/:aType)(/:query)': 'aggregateSearch', + 'aggregate/:aType(/:query)': 'aggregateSearch', 'aggregate(/:aType)/': 'emptyAggregateSearch', // Default '*actions': 'defaultAction' @@ -200,6 +200,18 @@ define([ mainSearchView.render(); + if (actions == "aggregate") { + $('.search').hide(); + $('#aggregated-search-tab-content').fadeIn(); + $('.search-tabs').removeClass('active'); + $('#aggregated-search-tab').addClass('active'); + } else { + $('.search').hide(); + $('#main-search-tab-content').fadeIn(); + $('.search-tabs').removeClass('active'); + $('#main-search-tab').addClass('active'); + } + $(".progress").hide(); $("#content").show(); } diff --git a/templates/search/main.html b/templates/search/main.html index 14a4916..9c62548 100644 --- a/templates/search/main.html +++ b/templates/search/main.html @@ -1,6 +1,6 @@ <ul class="nav nav-tabs"> - <li id="main-search-tab" class="search-tabs active"><a onclick="$('.search').hide();$('#main-search-tab-content').fadeIn();$('.search-tabs').removeClass('active');$('#main-search-tab').addClass('active');">Simple Search</a></li> - <li id="aggregated-search-tab" class="search-tabs"><a onclick="$('.search').hide();$('#aggregated-search-tab-content').fadeIn();$('.search-tabs').removeClass('active');$('#aggregated-search-tab').addClass('active');">Aggregated Search</a></li> + <li id="main-search-tab" class="search-tabs active"><a href="#simple">Simple Search</a></li> + <li id="aggregated-search-tab" class="search-tabs"><a href="#aggregate">Aggregated Search</a></li> </ul> <div class="tab-content" id="search-tab-content"> @@ -27,7 +27,7 @@ do not include bridge data.</p> <form id="home-aggregate-search"> <div class="input-group"> <input class="search-query form-control" id="aggregated-query" placeholder="Query" type="text" autocorrect="off" autocapitalize="none"> - <span class="input-group-btn"><button id="do-aggregate" class="btn btn-primary" type="button">Aggregated Search</button><button class="btn btn-secondary" type="button" id="do-full-aggregation">Entire Network</button></span> + <span class="input-group-btn"><button id="do-aggregate" class="btn btn-primary" type="button">Aggregate</button><button class="btn btn-secondary" type="button" id="do-full-aggregation">Entire Network</button></span> </div> </form> </div>

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[translation/whisperback_completed] Update translations for whisperback_completed
by translation＠torproject.org 26 Nov '17

26 Nov '17

commit d31980334193f254b55e5e7c5c988c85d4b8f02f Author: Translation commit bot <translation(a)torproject.org> Date: Sun Nov 26 13:15:34 2017 +0000 Update translations for whisperback_completed --- nl/nl.po | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nl/nl.po b/nl/nl.po index 3681160e7..aebbfba94 100644 --- a/nl/nl.po +++ b/nl/nl.po @@ -18,7 +18,7 @@ msgstr "" "Project-Id-Version: The Tor Project\n" "Report-Msgid-Bugs-To: \n" "POT-Creation-Date: 2017-03-20 12:09+0000\n" -"PO-Revision-Date: 2017-10-21 11:40+0000\n" +"PO-Revision-Date: 2017-11-26 13:03+0000\n" "Last-Translator: kwadronaut <kwadronaut(a)autistici.org>\n" "Language-Team: Dutch (http://www.transifex.com/otf/torproject/language/nl/)\n" "MIME-Version: 1.0\n"

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[translation/whisperback] Update translations for whisperback
by translation＠torproject.org 26 Nov '17

26 Nov '17

commit a4fd613906e8f4306b601b3a78a9a6e83314e092 Author: Translation commit bot <translation(a)torproject.org> Date: Sun Nov 26 13:15:25 2017 +0000 Update translations for whisperback --- nl/nl.po | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nl/nl.po b/nl/nl.po index 3681160e7..aebbfba94 100644 --- a/nl/nl.po +++ b/nl/nl.po @@ -18,7 +18,7 @@ msgstr "" "Project-Id-Version: The Tor Project\n" "Report-Msgid-Bugs-To: \n" "POT-Creation-Date: 2017-03-20 12:09+0000\n" -"PO-Revision-Date: 2017-10-21 11:40+0000\n" +"PO-Revision-Date: 2017-11-26 13:03+0000\n" "Last-Translator: kwadronaut <kwadronaut(a)autistici.org>\n" "Language-Team: Dutch (http://www.transifex.com/otf/torproject/language/nl/)\n" "MIME-Version: 1.0\n"

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[atlas/master] Bump cache breaker
by irl＠torproject.org 26 Nov '17

26 Nov '17

commit 2dca3d512673ce6816486f4894fa9481efa09385 Author: Iain R. Learmonth <irl(a)fsfe.org> Date: Sun Nov 26 00:55:41 2017 +0000 Bump cache breaker --- index.html | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/index.html b/index.html index 408a94a..9ab3516 100644 --- a/index.html +++ b/index.html @@ -41,7 +41,7 @@ <script src="https://metrics.torproject.org/js/script.js"></script>  - <link rel="stylesheet" href="css/atlas.css?v6"> + <link rel="stylesheet" href="css/atlas.css?v7"> </head> @@ -168,7 +168,7 @@ $('.cookie-message').cookieBar({ closeButton: '.cbc' }); </script> <script> var require = { - urlArgs: "v6" + urlArgs: "v7" }; </script> <script data-main="js/main" src="js/libs/require/require.js"></script>

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[atlas/master] Updates to JavaScript libraries
by irl＠torproject.org 26 Nov '17

26 Nov '17

commit 20e3e0805147c0e830783b832f1ade10f083852b Author: Iain R. Learmonth <irl(a)fsfe.org> Date: Fri Nov 24 18:55:54 2017 +0000 Updates to JavaScript libraries * require.js updated to 2.3.5 - text.js also updated * backbone.js updated to 1.3.3 * underscore.js updated to 1.8.3 * bootstrap3-typeahead removed (unused) * bootstrap-popover removed (unused) * Changes to the APIs of these libraries are also reflected in changes to the Relay Search JavaScript and templates in this commit. --- js/libs/backbone/backbone-optamd3-min.js | 6 - js/libs/backbone/backbone.min.js | 2 + js/libs/bootstrap/bootstrap-popover.js | 95 -- js/libs/bootstrap/bootstrap3-typeahead.min.js | 1 - js/libs/require/require.js | 36 +- js/libs/require/text.js | 419 ++++++- js/libs/underscore/underscore-min.js | 1578 ++++++++++++++++++++++++- js/main.js | 4 +- js/router.js | 8 +- js/views/details/main.js | 14 +- js/views/search/do.js | 154 +-- js/views/search/main.js | 6 +- templates/details/router.html | 4 +- 13 files changed, 2028 insertions(+), 299 deletions(-) diff --git a/js/libs/backbone/backbone-optamd3-min.js b/js/libs/backbone/backbone-optamd3-min.js deleted file mode 100644 index c02e162..0000000 --- a/js/libs/backbone/backbone-optamd3-min.js +++ /dev/null @@ -1,6 +0,0 @@ -// Backbone.js 0.5.3 -// (c) 2010 Jeremy Ashkenas, DocumentCloud Inc. -// Backbone may be freely distributed under the MIT license. -// For all details and documentation: -// http://documentcloud.github.com/backbone -(function(a,b){typeof exports!="undefined"?b(a,exports,require("underscore")):typeof define=="function"&&define.amd?define("backbone",["underscore","jquery","exports"],function(c,d,e){b(a,e,c,d)}):a.Backbone=b(a,{},a._,a.jQuery||a.Zepto||a.ender)})(this,function(a,b,c,d){var e=a.Backbone,f=Array.prototype.slice;b.VERSION="0.5.3",b.noConflict=function(){return a.Backbone=e,b},b.emulateHTTP=!1,b.emulateJSON=!1,b.Events={bind:function(a,b,c){var d=this._callbacks||(this._callbacks={}),e=d[a]||(d[a]={}),f=e.tail||(e.tail=e.next={});return f.callback=b,f.context=c,e.tail=f.next={},this},unbind:function(a,b){var c,d,e;if(!a)this._callbacks=null;else if(c=this._callbacks)if(!b)c[a]={};else if(d=c[a])while((e=d)&&(d=d.next)){if(d.callback!==b)continue;e.next=d.next,d.context=d.callback=null;break}return this},trigger:function(a){var b,c,d,e,g,h=["all",a];if(!(c=this._callbacks))return this;while(g=h.pop()){if(!(b=c[g]))continue;e=g=="all"?arguments:f.call(arguments,1);while(b=b.next)(d=b.ca llback)&&d.apply(b.context||this,e)}return this}},b.Model=function(a,b){var d;a||(a={});if(d=this.defaults)c.isFunction(d)&&(d=d.call(this)),a=c.extend({},d,a);this.attributes={},this._escapedAttributes={},this.cid=c.uniqueId("c"),this.set(a,{silent:!0}),this._changed=!1,this._previousAttributes=c.clone(this.attributes),b&&b.collection&&(this.collection=b.collection),this.initialize(a,b)},c.extend(b.Model.prototype,b.Events,{_changed:!1,idAttribute:"id",initialize:function(){},toJSON:function(){return 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this};u.stopListening=function(t,e,r){var n=this._listeningTo;if(!n)return this;var s=t?[t._listenId]:i.keys(n);for(var a=0;a<s.length;a++){var h=n[s[a]];if(!h)break;h.obj.off(e,r,this)}return this};var g=function(t,e,r,n){if(!t)return;var s=0,a;var h=n.context,o=n.listeners;if(!e&&!r&&!h){var l=i.keys(o);for(;s<l.length;s++){a=o[l[s]];delete o[a.id];delete a.listeningTo[a.objId]}return}var u=e?[e]:i.keys(t);for(;s<u.length;s++){e=u[s];var c=t[e];if(!c)break;var f=[];for(var d=0;d<c.length;d++){var v=c[d];if(r&&r!==v.callback&&r!==v.callback._callback||h&&h!==v.context){f.push(v)}else{a=v.listening;if(a&&--a.co unt===0){delete o[a.id];delete a.listeningTo[a.objId]}}}if(f.length){t[e]=f}else{delete t[e]}}return t};u.once=function(t,e,r){var n=f(p,{},t,e,i.bind(this.off,this));if(typeof t==="string"&&r==null)e=void 0;return this.on(n,e,r)};u.listenToOnce=function(t,e,r){var n=f(p,{},e,r,i.bind(this.stopListening,this,t));return this.listenTo(t,n)};var p=function(t,e,r,n){if(r){var s=t[e]=i.once(function(){n(e,s);r.apply(this,arguments)});s._callback=r}return t};u.trigger=function(t){if(!this._events)return this;var e=Math.max(0,arguments.length-1);var i=Array(e);for(var r=0;r<e;r++)i[r]=arguments[r+1];f(m,this._events,t,void 0,i);return this};var m=function(t,e,i,r){if(t){var n=t[e];var s=t.all;if(n&&s)s=s.slice();if(n)_(n,r);if(s)_(s,[e].concat(r))}return t};var _=function(t,e){var i,r=-1,n=t.length,s=e[0],a=e[1],h=e[2];switch(e.length){case 0:while(++r<n)(i=t[r]).callback.call(i.ctx);return;case 1:while(++r<n)(i=t[r]).callback.call(i.ctx,s);return;case 2:while(++r<n)(i=t[r]).callback.call( i.ctx,s,a);return;case 3:while(++r<n)(i=t[r]).callback.call(i.ctx,s,a,h);return;default:while(++r<n)(i=t[r]).callback.apply(i.ctx,e);return}};u.bind=u.on;u.unbind=u.off;i.extend(e,u);var y=e.Model=function(t,e){var r=t||{};e||(e={});this.cid=i.uniqueId(this.cidPrefix);this.attributes={};if(e.collection)this.collection=e.collection;if(e.parse)r=this.parse(r,e)||{};var n=i.result(this,"defaults");r=i.defaults(i.extend({},n,r),n);this.set(r,e);this.changed={};this.initialize.apply(this,arguments)};i.extend(y.prototype,u,{changed:null,validationError:null,idAttribute:"id",cidPrefix:"c",initialize:function(){},toJSON:function(t){return i.clone(this.attributes)},sync:function(){return e.sync.apply(this,arguments)},get:function(t){return this.attributes[t]},escape:function(t){return i.escape(this.get(t))},has:function(t){return this.get(t)!=null},matches:function(t){return!!i.iteratee(t,this)(this.attributes)},set:function(t,e,r){if(t==null)return this;var n;if(typeof t==="object"){n=t;r=e }else{(n={})[t]=e}r||(r={});if(!this._validate(n,r))return false;var s=r.unset;var a=r.silent;var h=[];var o=this._changing;this._changing=true;if(!o){this._previousAttributes=i.clone(this.attributes);this.changed={}}var l=this.attributes;var u=this.changed;var c=this._previousAttributes;for(var f in n){e=n[f];if(!i.isEqual(l[f],e))h.push(f);if(!i.isEqual(c[f],e)){u[f]=e}else{delete u[f]}s?delete l[f]:l[f]=e}if(this.idAttribute in n)this.id=this.get(this.idAttribute);if(!a){if(h.length)this._pending=r;for(var d=0;d<h.length;d++){this.trigger("change:"+h[d],this,l[h[d]],r)}}if(o)return this;if(!a){while(this._pending){r=this._pending;this._pending=false;this.trigger("change",this,r)}}this._pending=false;this._changing=false;return this},unset:function(t,e){return this.set(t,void 0,i.extend({},e,{unset:true}))},clear:function(t){var e={};for(var r in this.attributes)e[r]=void 0;return this.set(e,i.extend({},t,{unset:true}))},hasChanged:function(t){if(t==null)return!i.isEmpty(this.chan ged);return i.has(this.changed,t)},changedAttributes:function(t){if(!t)return this.hasChanged()?i.clone(this.changed):false;var e=this._changing?this._previousAttributes:this.attributes;var r={};for(var n in t){var s=t[n];if(i.isEqual(e[n],s))continue;r[n]=s}return i.size(r)?r:false},previous:function(t){if(t==null||!this._previousAttributes)return null;return this._previousAttributes[t]},previousAttributes:function(){return i.clone(this._previousAttributes)},fetch:function(t){t=i.extend({parse:true},t);var e=this;var r=t.success;t.success=function(i){var n=t.parse?e.parse(i,t):i;if(!e.set(n,t))return false;if(r)r.call(t.context,e,i,t);e.trigger("sync",e,i,t)};B(this,t);return this.sync("read",this,t)},save:function(t,e,r){var n;if(t==null||typeof t==="object"){n=t;r=e}else{(n={})[t]=e}r=i.extend({validate:true,parse:true},r);var s=r.wait;if(n&&!s){if(!this.set(n,r))return false}else if(!this._validate(n,r)){return false}var a=this;var h=r.success;var o=this.attributes;r.success=fun ction(t){a.attributes=o;var e=r.parse?a.parse(t,r):t;if(s)e=i.extend({},n,e);if(e&&!a.set(e,r))return false;if(h)h.call(r.context,a,t,r);a.trigger("sync",a,t,r)};B(this,r);if(n&&s)this.attributes=i.extend({},o,n);var l=this.isNew()?"create":r.patch?"patch":"update";if(l==="patch"&&!r.attrs)r.attrs=n;var u=this.sync(l,this,r);this.attributes=o;return u},destroy:function(t){t=t?i.clone(t):{};var e=this;var r=t.success;var n=t.wait;var s=function(){e.stopListening();e.trigger("destroy",e,e.collection,t)};t.success=function(i){if(n)s();if(r)r.call(t.context,e,i,t);if(!e.isNew())e.trigger("sync",e,i,t)};var a=false;if(this.isNew()){i.defer(t.success)}else{B(this,t);a=this.sync("delete",this,t)}if(!n)s();return a},url:function(){var t=i.result(this,"urlRoot")||i.result(this.collection,"url")||F();if(this.isNew())return t;var e=this.get(this.idAttribute);return t.replace(/[^\/]$/,"$&/")+encodeURIComponent(e)},parse:function(t,e){return t},clone:function(){return new this.constructor(this.a ttributes)},isNew:function(){return!this.has(this.idAttribute)},isValid:function(t){return this._validate({},i.extend({},t,{validate:true}))},_validate:function(t,e){if(!e.validate||!this.validate)return true;t=i.extend({},this.attributes,t);var r=this.validationError=this.validate(t,e)||null;if(!r)return true;this.trigger("invalid",this,r,i.extend(e,{validationError:r}));return false}});var b={keys:1,values:1,pairs:1,invert:1,pick:0,omit:0,chain:1,isEmpty:1};h(y,b,"attributes");var x=e.Collection=function(t,e){e||(e={});if(e.model)this.model=e.model;if(e.comparator!==void 0)this.comparator=e.comparator;this._reset();this.initialize.apply(this,arguments);if(t)this.reset(t,i.extend({silent:true},e))};var w={add:true,remove:true,merge:true};var E={add:true,remove:false};var I=function(t,e,i){i=Math.min(Math.max(i,0),t.length);var r=Array(t.length-i);var n=e.length;var s;for(s=0;s<r.length;s++)r[s]=t[s+i];for(s=0;s<n;s++)t[s+i]=e[s];for(s=0;s<r.length;s++)t[s+n+i]=r[s]};i.extend(x.prot otype,u,{model:y,initialize:function(){},toJSON:function(t){return this.map(function(e){return e.toJSON(t)})},sync:function(){return e.sync.apply(this,arguments)},add:function(t,e){return this.set(t,i.extend({merge:false},e,E))},remove:function(t,e){e=i.extend({},e);var r=!i.isArray(t);t=r?[t]:t.slice();var n=this._removeModels(t,e);if(!e.silent&&n.length){e.changes={added:[],merged:[],removed:n};this.trigger("update",this,e)}return r?n[0]:n},set:function(t,e){if(t==null)return;e=i.extend({},w,e);if(e.parse&&!this._isModel(t)){t=this.parse(t,e)||[]}var r=!i.isArray(t);t=r?[t]:t.slice();var n=e.at;if(n!=null)n=+n;if(n>this.length)n=this.length;if(n<0)n+=this.length+1;var s=[];var a=[];var h=[];var o=[];var l={};var u=e.add;var c=e.merge;var f=e.remove;var d=false;var v=this.comparator&&n==null&&e.sort!==false;var g=i.isString(this.comparator)?this.comparator:null;var p,m;for(m=0;m<t.length;m++){p=t[m];var _=this.get(p);if(_){if(c&&p!==_){var y=this._isModel(p)?p.attributes:p;if(e.par se)y=_.parse(y,e);_.set(y,e);h.push(_);if(v&&!d)d=_.hasChanged(g)}if(!l[_.cid]){l[_.cid]=true;s.push(_)}t[m]=_}else if(u){p=t[m]=this._prepareModel(p,e);if(p){a.push(p);this._addReference(p,e);l[p.cid]=true;s.push(p)}}}if(f){for(m=0;m<this.length;m++){p=this.models[m];if(!l[p.cid])o.push(p)}if(o.length)this._removeModels(o,e)}var b=false;var x=!v&&u&&f;if(s.length&&x){b=this.length!==s.length||i.some(this.models,function(t,e){return t!==s[e]});this.models.length=0;I(this.models,s,0);this.length=this.models.length}else if(a.length){if(v)d=true;I(this.models,a,n==null?this.length:n);this.length=this.models.length}if(d)this.sort({silent:true});if(!e.silent){for(m=0;m<a.length;m++){if(n!=null)e.index=n+m;p=a[m];p.trigger("add",p,this,e)}if(d||b)this.trigger("sort",this,e);if(a.length||o.length||h.length){e.changes={added:a,removed:o,merged:h};this.trigger("update",this,e)}}return r?t[0]:t},reset:function(t,e){e=e?i.clone(e):{};for(var r=0;r<this.models.length;r++){this._removeReference( this.models[r],e)}e.previousModels=this.models;this._reset();t=this.add(t,i.extend({silent:true},e));if(!e.silent)this.trigger("reset",this,e);return t},push:function(t,e){return this.add(t,i.extend({at:this.length},e))},pop:function(t){var e=this.at(this.length-1);return this.remove(e,t)},unshift:function(t,e){return this.add(t,i.extend({at:0},e))},shift:function(t){var e=this.at(0);return this.remove(e,t)},slice:function(){return s.apply(this.models,arguments)},get:function(t){if(t==null)return void 0;return this._byId[t]||this._byId[this.modelId(t.attributes||t)]||t.cid&&this._byId[t.cid]},has:function(t){return this.get(t)!=null},at:function(t){if(t<0)t+=this.length;return this.models[t]},where:function(t,e){return this[e?"find":"filter"](t)},findWhere:function(t){return this.where(t,true)},sort:function(t){var e=this.comparator;if(!e)throw new Error("Cannot sort a set without a comparator");t||(t={});var r=e.length;if(i.isFunction(e))e=i.bind(e,this);if(r===1||i.isString(e)){th is.models=this.sortBy(e)}else{this.models.sort(e)}if(!t.silent)this.trigger("sort",this,t);return this},pluck:function(t){return this.map(t+"")},fetch:function(t){t=i.extend({parse:true},t);var e=t.success;var r=this;t.success=function(i){var n=t.reset?"reset":"set";r[n](i,t);if(e)e.call(t.context,r,i,t);r.trigger("sync",r,i,t)};B(this,t);return this.sync("read",this,t)},create:function(t,e){e=e?i.clone(e):{};var r=e.wait;t=this._prepareModel(t,e);if(!t)return false;if(!r)this.add(t,e);var n=this;var s=e.success;e.success=function(t,e,i){if(r)n.add(t,i);if(s)s.call(i.context,t,e,i)};t.save(null,e);return t},parse:function(t,e){return t},clone:function(){return new this.constructor(this.models,{model:this.model,comparator:this.comparator})},modelId:function(t){return t[this.model.prototype.idAttribute||"id"]},_reset:function(){this.length=0;this.models=[];this._byId={}},_prepareModel:function(t,e){if(this._isModel(t)){if(!t.collection)t.collection=this;return t}e=e?i.clone(e):{};e.co llection=this;var r=new this.model(t,e);if(!r.validationError)return r;this.trigger("invalid",this,r.validationError,e);return false},_removeModels:function(t,e){var i=[];for(var r=0;r<t.length;r++){var n=this.get(t[r]);if(!n)continue;var s=this.indexOf(n);this.models.splice(s,1);this.length--;delete this._byId[n.cid];var a=this.modelId(n.attributes);if(a!=null)delete this._byId[a];if(!e.silent){e.index=s;n.trigger("remove",n,this,e)}i.push(n);this._removeReference(n,e)}return i},_isModel:function(t){return t instanceof y},_addReference:function(t,e){this._byId[t.cid]=t;var i=this.modelId(t.attributes);if(i!=null)this._byId[i]=t;t.on("all",this._onModelEvent,this)},_removeReference:function(t,e){delete this._byId[t.cid];var i=this.modelId(t.attributes);if(i!=null)delete this._byId[i];if(this===t.collection)delete t.collection;t.off("all",this._onModelEvent,this)},_onModelEvent:function(t,e,i,r){if(e){if((t==="add"||t==="remove")&&i!==this)return;if(t==="destroy")this.remove(e,r);if( t==="change"){var n=this.modelId(e.previousAttributes());var s=this.modelId(e.attributes);if(n!==s){if(n!=null)delete this._byId[n];if(s!=null)this._byId[s]=e}}}this.trigger.apply(this,arguments)}});var S={forEach:3,each:3,map:3,collect:3,reduce:0,foldl:0,inject:0,reduceRight:0,foldr:0,find:3,detect:3,filter:3,select:3,reject:3,every:3,all:3,some:3,any:3,include:3,includes:3,contains:3,invoke:0,max:3,min:3,toArray:1,size:1,first:3,head:3,take:3,initial:3,rest:3,tail:3,drop:3,last:3,without:0,difference:0,indexOf:3,shuffle:1,lastIndexOf:3,isEmpty:1,chain:1,sample:3,partition:3,groupBy:3,countBy:3,sortBy:3,indexBy:3,findIndex:3,findLastIndex:3};h(x,S,"models");var k=e.View=function(t){this.cid=i.uniqueId("view");i.extend(this,i.pick(t,P));this._ensureElement();this.initialize.apply(this,arguments)};var T=/^(\S+)\s*(.*)$/;var P=["model","collection","el","id","attributes","className","tagName","events"];i.extend(k.prototype,u,{tagName:"div",$:function(t){return this.$el.find(t)},initia lize:function(){},render:function(){return this},remove:function(){this._removeElement();this.stopListening();return this},_removeElement:function(){this.$el.remove()},setElement:function(t){this.undelegateEvents();this._setElement(t);this.delegateEvents();return this},_setElement:function(t){this.$el=t instanceof e.$?t:e.$(t);this.el=this.$el[0]},delegateEvents:function(t){t||(t=i.result(this,"events"));if(!t)return this;this.undelegateEvents();for(var e in t){var r=t[e];if(!i.isFunction(r))r=this[r];if(!r)continue;var n=e.match(T);this.delegate(n[1],n[2],i.bind(r,this))}return this},delegate:function(t,e,i){this.$el.on(t+".delegateEvents"+this.cid,e,i);return this},undelegateEvents:function(){if(this.$el)this.$el.off(".delegateEvents"+this.cid);return this},undelegate:function(t,e,i){this.$el.off(t+".delegateEvents"+this.cid,e,i);return this},_createElement:function(t){return document.createElement(t)},_ensureElement:function(){if(!this.el){var t=i.extend({},i.result(this,"attribu tes"));if(this.id)t.id=i.result(this,"id");if(this.className)t["class"]=i.result(this,"className");this.setElement(this._createElement(i.result(this,"tagName")));this._setAttributes(t)}else{this.setElement(i.result(this,"el"))}},_setAttributes:function(t){this.$el.attr(t)}});e.sync=function(t,r,n){var s=H[t];i.defaults(n||(n={}),{emulateHTTP:e.emulateHTTP,emulateJSON:e.emulateJSON});var a={type:s,dataType:"json"};if(!n.url){a.url=i.result(r,"url")||F()}if(n.data==null&&r&&(t==="create"||t==="update"||t==="patch")){a.contentType="application/json";a.data=JSON.stringify(n.attrs||r.toJSON(n))}if(n.emulateJSON){a.contentType="application/x-www-form-urlencoded";a.data=a.data?{model:a.data}:{}}if(n.emulateHTTP&&(s==="PUT"||s==="DELETE"||s==="PATCH")){a.type="POST";if(n.emulateJSON)a.data._method=s;var h=n.beforeSend;n.beforeSend=function(t){t.setRequestHeader("X-HTTP-Method-Override",s);if(h)return h.apply(this,arguments)}}if(a.type!=="GET"&&!n.emulateJSON){a.processData=false}var o=n.err or;n.error=function(t,e,i){n.textStatus=e;n.errorThrown=i;if(o)o.call(n.context,t,e,i)};var l=n.xhr=e.ajax(i.extend(a,n));r.trigger("request",r,l,n);return l};var H={create:"POST",update:"PUT",patch:"PATCH","delete":"DELETE",read:"GET"};e.ajax=function(){return e.$.ajax.apply(e.$,arguments)};var $=e.Router=function(t){t||(t={});if(t.routes)this.routes=t.routes;this._bindRoutes();this.initialize.apply(this,arguments)};var A=/$(.*?)$/g;var C=/(\(\?)?:\w+/g;var R=/\*\w+/g;var j=/[\-{}\[\]+?.,\\\^$|#\s]/g;i.extend($.prototype,u,{initialize:function(){},route:function(t,r,n){if(!i.isRegExp(t))t=this._routeToRegExp(t);if(i.isFunction(r)){n=r;r=""}if(!n)n=this[r];var s=this;e.history.route(t,function(i){var a=s._extractParameters(t,i);if(s.execute(n,a,r)!==false){s.trigger.apply(s,["route:"+r].concat(a));s.trigger("route",r,a);e.history.trigger("route",s,r,a)}});return this},execute:function(t,e,i){if(t)t.apply(this,e)},navigate:function(t,i){e.history.navigate(t,i);return this},_bindRou tes:function(){if(!this.routes)return;this.routes=i.result(this,"routes");var t,e=i.keys(this.routes);while((t=e.pop())!=null){this.route(t,this.routes[t])}},_routeToRegExp:function(t){t=t.replace(j,"\\$&").replace(A,"(?:$1)?").replace(C,function(t,e){return e?t:"([^/?]+)"}).replace(R,"([^?]*?)");return new RegExp("^"+t+"(?:\\?([\\s\\S]*))?$")},_extractParameters:function(t,e){var r=t.exec(e).slice(1);return i.map(r,function(t,e){if(e===r.length-1)return t||null;return t?decodeURIComponent(t):null})}});var N=e.History=function(){this.handlers=[];this.checkUrl=i.bind(this.checkUrl,this);if(typeof window!=="undefined"){this.location=window.location;this.history=window.history}};var M=/^[#\/]|\s+$/g;var O=/^\/+|\/+$/g;var U=/#.*$/;N.started=false;i.extend(N.prototype,u,{interval:50,atRoot:function(){var t=this.location.pathname.replace(/[^\/]$/,"$&/");return t===this.root&&!this.getSearch()},matchRoot:function(){var t=this.decodeFragment(this.location.pathname);var e=t.slice(0,this.roo t.length-1)+"/";return e===this.root},decodeFragment:function(t){return decodeURI(t.replace(/%25/g,"%2525"))},getSearch:function(){var t=this.location.href.replace(/#.*/,"").match(/\?.+/);return t?t[0]:""},getHash:function(t){var e=(t||this).location.href.match(/#(.*)$/);return e?e[1]:""},getPath:function(){var t=this.decodeFragment(this.location.pathname+this.getSearch()).slice(this.root.length-1);return t.charAt(0)==="/"?t.slice(1):t},getFragment:function(t){if(t==null){if(this._usePushState||!this._wantsHashChange){t=this.getPath()}else{t=this.getHash()}}return t.replace(M,"")},start:function(t){if(N.started)throw new Error("Backbone.history has already been started");N.started=true;this.options=i.extend({root:"/"},this.options,t);this.root=this.options.root;this._wantsHashChange=this.options.hashChange!==false;this._hasHashChange="onhashchange"in window&&(document.documentMode===void 0||document.documentMode>7);this._useHashChange=this._wantsHashChange&&this._hasHashChange;this. 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defaultHostName = hasLocation && location.hostname, + defaultPort = hasLocation && (location.port || undefined), + buildMap = {}, + masterConfig = (module.config && module.config()) || {}; + + function useDefault(value, defaultValue) { + return value === undefined || value === '' ? defaultValue : value; + } + + //Allow for default ports for http and https. + function isSamePort(protocol1, port1, protocol2, port2) { + if (port1 === port2) { + return true; + } else if (protocol1 === protocol2) { + if (protocol1 === 'http') { + return useDefault(port1, '80') === useDefault(port2, '80'); + } else if (protocol1 === 'https') { + return useDefault(port1, '443') === useDefault(port2, '443'); + } + } + return false; + } + + text = { + version: '2.0.15', + + strip: function (content) { + //Strips <?xml ...?> declarations so that external SVG and XML + //documents can be added to a document without worry. Also, if the string + //is an HTML document, only the part inside the body tag is returned. + if (content) { + content = content.replace(xmlRegExp, ""); + var matches = content.match(bodyRegExp); + if (matches) { + content = matches[1]; + } + } else { + content = ""; + } + return content; + }, + + jsEscape: function (content) { + return content.replace(/(['\\])/g, '\\$1') + .replace(/[\f]/g, "\\f") + .replace(/[\b]/g, "\\b") + .replace(/[\n]/g, "\\n") + .replace(/[\t]/g, "\\t") + .replace(/[\r]/g, "\\r") + .replace(/[\u2028]/g, "\\u2028") + .replace(/[\u2029]/g, "\\u2029"); + }, + + createXhr: masterConfig.createXhr || function () { + //Would love to dump the ActiveX crap in here. Need IE 6 to die first. + var xhr, i, progId; + if (typeof XMLHttpRequest !== "undefined") { + return new XMLHttpRequest(); + } else if (typeof ActiveXObject !== "undefined") { + for (i = 0; i < 3; i += 1) { + progId = progIds[i]; + try { + xhr = new ActiveXObject(progId); + } catch (e) {} + + if (xhr) { + progIds = [progId]; // so faster next time + break; + } + } + } + + return xhr; + }, + + /** + * Parses a resource name into its component parts. Resource names + * look like: module/name.ext!strip, where the !strip part is + * optional. + * @param {String} name the resource name + * @returns {Object} with properties "moduleName", "ext" and "strip" + * where strip is a boolean. + */ + parseName: function (name) { + var modName, ext, temp, + strip = false, + index = name.lastIndexOf("."), + isRelative = name.indexOf('./') === 0 || + name.indexOf('../') === 0; + + if (index !== -1 && (!isRelative || index > 1)) { + modName = name.substring(0, index); + ext = name.substring(index + 1); + } else { + modName = name; + } + + temp = ext || modName; + index = temp.indexOf("!"); + if (index !== -1) { + //Pull off the strip arg. + strip = temp.substring(index + 1) === "strip"; + temp = temp.substring(0, index); + if (ext) { + ext = temp; + } else { + modName = temp; + } + } + + return { + moduleName: modName, + ext: ext, + strip: strip + }; + }, + + xdRegExp: /^((\w+)\:)?\/\/([^\/\\]+)/, + + /** + * Is an URL on another domain. Only works for browser use, returns + * false in non-browser environments. Only used to know if an + * optimized .js version of a text resource should be loaded + * instead. + * @param {String} url + * @returns Boolean + */ + useXhr: function (url, protocol, hostname, port) { + var uProtocol, uHostName, uPort, + match = text.xdRegExp.exec(url); + if (!match) { + return true; + } + uProtocol = match[2]; + uHostName = match[3]; + + uHostName = uHostName.split(':'); + uPort = uHostName[1]; + uHostName = uHostName[0]; + + return (!uProtocol || uProtocol === protocol) && + (!uHostName || uHostName.toLowerCase() === hostname.toLowerCase()) && + ((!uPort && !uHostName) || isSamePort(uProtocol, uPort, protocol, port)); + }, + + finishLoad: function (name, strip, content, onLoad) { + content = strip ? text.strip(content) : content; + if (masterConfig.isBuild) { + buildMap[name] = content; + } + onLoad(content); + }, + + load: function (name, req, onLoad, config) { + //Name has format: some.module.filext!strip + //The strip part is optional. + //if strip is present, then that means only get the string contents + //inside a body tag in an HTML string. For XML/SVG content it means + //removing the <?xml ...?> declarations so the content can be inserted + //into the current doc without problems. + + // Do not bother with the work if a build and text will + // not be inlined. + if (config && config.isBuild && !config.inlineText) { + onLoad(); + return; + } + + masterConfig.isBuild = config && config.isBuild; + + var parsed = text.parseName(name), + nonStripName = parsed.moduleName + + (parsed.ext ? '.' + parsed.ext : ''), + url = req.toUrl(nonStripName), + useXhr = (masterConfig.useXhr) || + text.useXhr; + + // Do not load if it is an empty: url + if (url.indexOf('empty:') === 0) { + onLoad(); + return; + } + + //Load the text. Use XHR if possible and in a browser. + if (!hasLocation || useXhr(url, defaultProtocol, defaultHostName, defaultPort)) { + text.get(url, function (content) { + text.finishLoad(name, parsed.strip, content, onLoad); + }, function (err) { + if (onLoad.error) { + onLoad.error(err); + } + }); + } else { + //Need to fetch the resource across domains. Assume + //the resource has been optimized into a JS module. Fetch + //by the module name + extension, but do not include the + //!strip part to avoid file system issues. + req([nonStripName], function (content) { + text.finishLoad(parsed.moduleName + '.' + parsed.ext, + parsed.strip, content, onLoad); + }); + } + }, + + write: function (pluginName, moduleName, write, config) { + if (buildMap.hasOwnProperty(moduleName)) { + var content = text.jsEscape(buildMap[moduleName]); + write.asModule(pluginName + "!" + moduleName, + "define(function () { return '" + + content + + "';});\n"); + } + }, + + writeFile: function (pluginName, moduleName, req, write, config) { + var parsed = text.parseName(moduleName), + extPart = parsed.ext ? '.' + parsed.ext : '', + nonStripName = parsed.moduleName + extPart, + //Use a '.js' file name so that it indicates it is a + //script that can be loaded across domains. + fileName = req.toUrl(parsed.moduleName + extPart) + '.js'; + + //Leverage own load() method to load plugin value, but only + //write out values that do not have the strip argument, + //to avoid any potential issues with ! in file names. + text.load(nonStripName, req, function (value) { + //Use own write() method to construct full module value. + //But need to create shell that translates writeFile's + //write() to the right interface. + var textWrite = function (contents) { + return write(fileName, contents); + }; + textWrite.asModule = function (moduleName, contents) { + return write.asModule(moduleName, fileName, contents); + }; + + text.write(pluginName, nonStripName, textWrite, config); + }, config); + } + }; + + if (masterConfig.env === 'node' || (!masterConfig.env && + typeof process !== "undefined" && + process.versions && + !!process.versions.node && + !process.versions['node-webkit'] && + !process.versions['atom-shell'])) { + //Using special require.nodeRequire, something added by r.js. + fs = require.nodeRequire('fs'); + + text.get = function (url, callback, errback) { + try { + var file = fs.readFileSync(url, 'utf8'); + //Remove BOM (Byte Mark Order) from utf8 files if it is there. + if (file[0] === '\uFEFF') { + file = file.substring(1); + } + callback(file); + } catch (e) { + if (errback) { + errback(e); + } + } + }; + } else if (masterConfig.env === 'xhr' || (!masterConfig.env && + text.createXhr())) { + text.get = function (url, callback, errback, headers) { + var xhr = text.createXhr(), header; + xhr.open('GET', url, true); + + //Allow plugins direct access to xhr headers + if (headers) { + for (header in headers) { + if (headers.hasOwnProperty(header)) { + xhr.setRequestHeader(header.toLowerCase(), headers[header]); + } + } + } + + //Allow overrides specified in config + if (masterConfig.onXhr) { + masterConfig.onXhr(xhr, url); + } + + xhr.onreadystatechange = function (evt) { + var status, err; + //Do not explicitly handle errors, those should be + //visible via console output in the browser. + if (xhr.readyState === 4) { + status = xhr.status || 0; + if (status > 399 && status < 600) { + //An http 4xx or 5xx error. Signal an error. + err = new Error(url + ' HTTP status: ' + status); + err.xhr = xhr; + if (errback) { + errback(err); + } + } else { + callback(xhr.responseText); + } + + if (masterConfig.onXhrComplete) { + masterConfig.onXhrComplete(xhr, url); + } + } + }; + xhr.send(null); + }; + } else if (masterConfig.env === 'rhino' || (!masterConfig.env && + typeof Packages !== 'undefined' && typeof java !== 'undefined')) { + //Why Java, why is this so awkward? + text.get = function (url, callback) { + var stringBuffer, line, + encoding = "utf-8", + file = new java.io.File(url), + lineSeparator = java.lang.System.getProperty("line.separator"), + input = new java.io.BufferedReader(new java.io.InputStreamReader(new java.io.FileInputStream(file), encoding)), + content = ''; + try { + stringBuffer = new java.lang.StringBuffer(); + line = input.readLine(); + + // Byte Order Mark (BOM) - The Unicode Standard, version 3.0, page 324 + // http://www.unicode.org/faq/utf_bom.html + + // Note that when we use utf-8, the BOM should appear as "EF BB BF", but it doesn't due to this bug in the JDK: + // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4508058 + if (line && line.length() && line.charAt(0) === 0xfeff) { + // Eat the BOM, since we've already found the encoding on this file, + // and we plan to concatenating this buffer with others; the BOM should + // only appear at the top of a file. + line = line.substring(1); + } + + if (line !== null) { + stringBuffer.append(line); + } + + while ((line = input.readLine()) !== null) { + stringBuffer.append(lineSeparator); + stringBuffer.append(line); + } + //Make sure we return a JavaScript string and not a Java string. + content = String(stringBuffer.toString()); //String + } finally { + input.close(); + } + callback(content); + }; + } else if (masterConfig.env === 'xpconnect' || (!masterConfig.env && + typeof Components !== 'undefined' && Components.classes && + Components.interfaces)) { + //Avert your gaze! + Cc = Components.classes; + Ci = Components.interfaces; + Components.utils['import']('resource://gre/modules/FileUtils.jsm'); + xpcIsWindows = ('@mozilla.org/windows-registry-key;1' in Cc); + + text.get = function (url, callback) { + var inStream, convertStream, fileObj, + readData = {}; + + if (xpcIsWindows) { + url = url.replace(/\//g, '\\'); + } + + fileObj = new FileUtils.File(url); + + //XPCOM, you so crazy + try { + inStream = Cc['@mozilla.org/network/file-input-stream;1'] + .createInstance(Ci.nsIFileInputStream); + inStream.init(fileObj, 1, 0, false); + + convertStream = Cc['@mozilla.org/intl/converter-input-stream;1'] + .createInstance(Ci.nsIConverterInputStream); + convertStream.init(inStream, "utf-8", inStream.available(), + Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER); + + convertStream.readString(inStream.available(), readData); + convertStream.close(); + inStream.close(); + callback(readData.value); + } catch (e) { + throw new Error((fileObj && fileObj.path || '') + ': ' + e); + } + }; + } + return text; +}); diff --git a/js/libs/underscore/underscore-min.js b/js/libs/underscore/underscore-min.js index fadc96e..b29332f 100644 --- a/js/libs/underscore/underscore-min.js +++ b/js/libs/underscore/underscore-min.js @@ -1,30 +1,1548 @@ -// Underscore.js 1.2.2 -// (c) 2011 Jeremy Ashkenas, DocumentCloud Inc. -// Underscore is freely distributable under the MIT license. -// Portions of Underscore are inspired or borrowed from Prototype, -// Oliver Steele's Functional, and John Resig's Micro-Templating. -// For all details and documentation: -// http://documentcloud.github.com/underscore -(function(){function r(a,c,d){if(a===c)return a!==0||1/a==1/c;if(a==null||c==null)return a===c;if(a._chain)a=a._wrapped;if(c._chain)c=c._wrapped;if(b.isFunction(a.isEqual))return a.isEqual(c);if(b.isFunction(c.isEqual))return c.isEqual(a);var e=l.call(a);if(e!=l.call(c))return false;switch(e){case "[object String]":return String(a)==String(c);case "[object Number]":return a=+a,c=+c,a!=a?c!=c:a==0?1/a==1/c:a==c;case "[object Date]":case "[object Boolean]":return+a==+c;case "[object RegExp]":return a.source== -c.source&&a.global==c.global&&a.multiline==c.multiline&&a.ignoreCase==c.ignoreCase}if(typeof a!="object"||typeof c!="object")return false;for(var f=d.length;f--;)if(d[f]==a)return true;d.push(a);var f=0,g=true;if(e=="[object Array]"){if(f=a.length,g=f==c.length)for(;f--;)if(!(g=f in a==f in c&&r(a[f],c[f],d)))break}else{if("constructor"in a!="constructor"in c||a.constructor!=c.constructor)return false;for(var h in a)if(m.call(a,h)&&(f++,!(g=m.call(c,h)&&r(a[h],c[h],d))))break;if(g){for(h in c)if(m.call(c, -h)&&!f--)break;g=!f}}d.pop();return g}var s=this,F=s._,o={},k=Array.prototype,p=Object.prototype,i=k.slice,G=k.unshift,l=p.toString,m=p.hasOwnProperty,v=k.forEach,w=k.map,x=k.reduce,y=k.reduceRight,z=k.filter,A=k.every,B=k.some,q=k.indexOf,C=k.lastIndexOf,p=Array.isArray,H=Object.keys,t=Function.prototype.bind,b=function(a){return new n(a)};if(typeof exports!=="undefined"){if(typeof module!=="undefined"&&module.exports)exports=module.exports=b;exports._=b}else typeof define==="function"&&define.amd? -define("underscore",function(){return b}):s._=b;b.VERSION="1.2.2";var j=b.each=b.forEach=function(a,c,b){if(a!=null)if(v&&a.forEach===v)a.forEach(c,b);else if(a.length===+a.length)for(var e=0,f=a.length;e<f;e++){if(e in a&&c.call(b,a[e],e,a)===o)break}else for(e in a)if(m.call(a,e)&&c.call(b,a[e],e,a)===o)break};b.map=function(a,c,b){var e=[];if(a==null)return e;if(w&&a.map===w)return a.map(c,b);j(a,function(a,g,h){e[e.length]=c.call(b,a,g,h)});return e};b.reduce=b.foldl=b.inject=function(a,c,d,e){var f= -d!==void 0;a==null&&(a=[]);if(x&&a.reduce===x)return e&&(c=b.bind(c,e)),f?a.reduce(c,d):a.reduce(c);j(a,function(a,b,i){f?d=c.call(e,d,a,b,i):(d=a,f=true)});if(!f)throw new TypeError("Reduce of empty array with no initial value");return d};b.reduceRight=b.foldr=function(a,c,d,e){a==null&&(a=[]);if(y&&a.reduceRight===y)return e&&(c=b.bind(c,e)),d!==void 0?a.reduceRight(c,d):a.reduceRight(c);a=(b.isArray(a)?a.slice():b.toArray(a)).reverse();return b.reduce(a,c,d,e)};b.find=b.detect=function(a,c,b){var e; 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+// Underscore.js 1.8.3 +// http://underscorejs.org +// (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors +// Underscore may be freely distributed under the MIT license. + +(function() { + + // Baseline setup + // -------------- + + // Establish the root object, `window` in the browser, or `exports` on the server. + var root = this; + + // Save the previous value of the `_` variable. + var previousUnderscore = root._; + + // 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, + toString = ObjProto.toString, + hasOwnProperty = ObjProto.hasOwnProperty; + + // All **ECMAScript 5** native function implementations that we hope to use + // are declared here. + var + nativeIsArray = Array.isArray, + nativeKeys = Object.keys, + nativeBind = FuncProto.bind, + nativeCreate = Object.create; + + // Naked function reference for surrogate-prototype-swapping. + var Ctor = function(){}; + + // 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. + if (typeof exports !== 'undefined') { + if (typeof module !== 'undefined' && module.exports) { + exports = module.exports = _; + } + exports._ = _; + } else { + root._ = _; + } + + // Current version. + _.VERSION = '1.8.3'; + + // Internal function that returns an efficient (for current engines) version + // of the passed-in callback, to be repeatedly applied in other Underscore + // functions. + var optimizeCb = function(func, context, argCount) { + if (context === void 0) return func; + switch (argCount == null ? 3 : argCount) { + case 1: return function(value) { + return func.call(context, value); + }; + case 2: return function(value, other) { + return func.call(context, value, other); + }; + case 3: return function(value, index, collection) { + return func.call(context, value, index, collection); + }; + case 4: return function(accumulator, value, index, collection) { + return func.call(context, accumulator, value, index, collection); + }; + } + return function() { + return func.apply(context, arguments); + }; + }; + + // A mostly-internal function to generate callbacks that can be applied + // to each element in a collection, returning the desired result — either + // identity, an arbitrary callback, a property matcher, or a property accessor. + var cb = function(value, context, argCount) { + if (value == null) return _.identity; + if (_.isFunction(value)) return optimizeCb(value, context, argCount); + if (_.isObject(value)) return _.matcher(value); + return _.property(value); + }; + _.iteratee = function(value, context) { + return cb(value, context, Infinity); + }; + + // An internal function for creating assigner functions. + var createAssigner = function(keysFunc, undefinedOnly) { + return function(obj) { + var length = arguments.length; + if (length < 2 || obj == null) return obj; + for (var index = 1; index < length; index++) { + var source = arguments[index], + keys = keysFunc(source), + l = keys.length; + for (var i = 0; i < l; i++) { + var key = keys[i]; + if (!undefinedOnly || obj[key] === void 0) obj[key] = source[key]; + } + } + return obj; + }; + }; + + // An internal function for creating a new object that inherits from another. + var baseCreate = function(prototype) { + if (!_.isObject(prototype)) return {}; + if (nativeCreate) return nativeCreate(prototype); + Ctor.prototype = prototype; + var result = new Ctor; + Ctor.prototype = null; + return result; + }; + + var property = function(key) { + return function(obj) { + return obj == null ? void 0 : obj[key]; + }; + }; + + // Helper for collection methods to determine whether a collection + // should be iterated as an array or as an object + // Related: http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength + // Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094 + var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1; + var getLength = property('length'); + var isArrayLike = function(collection) { + var length = getLength(collection); + return typeof length == 'number' && length >= 0 && length <= MAX_ARRAY_INDEX; + }; + + // Collection Functions + // -------------------- + + // The cornerstone, an `each` implementation, aka `forEach`. + // Handles raw objects in addition to array-likes. Treats all + // sparse array-likes as if they were dense. + _.each = _.forEach = function(obj, iteratee, context) { + iteratee = optimizeCb(iteratee, context); + var i, length; + if (isArrayLike(obj)) { + for (i = 0, length = obj.length; i < length; i++) { + iteratee(obj[i], i, obj); + } + } else { + var keys = _.keys(obj); + for (i = 0, length = keys.length; i < length; i++) { + iteratee(obj[keys[i]], keys[i], obj); + } + } + return obj; + }; + + // Return the results of applying the iteratee to each element. + _.map = _.collect = function(obj, iteratee, context) { + iteratee = cb(iteratee, context); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length, + results = Array(length); + for (var index = 0; index < length; index++) { + var currentKey = keys ? keys[index] : index; + results[index] = iteratee(obj[currentKey], currentKey, obj); + } + return results; + }; + + // Create a reducing function iterating left or right. + function createReduce(dir) { + // Optimized iterator function as using arguments.length + // in the main function will deoptimize the, see #1991. + function iterator(obj, iteratee, memo, keys, index, length) { + for (; index >= 0 && index < length; index += dir) { + var currentKey = keys ? keys[index] : index; + memo = iteratee(memo, obj[currentKey], currentKey, obj); + } + return memo; + } + + return function(obj, iteratee, memo, context) { + iteratee = optimizeCb(iteratee, context, 4); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length, + index = dir > 0 ? 0 : length - 1; + // Determine the initial value if none is provided. + if (arguments.length < 3) { + memo = obj[keys ? keys[index] : index]; + index += dir; + } + return iterator(obj, iteratee, memo, keys, index, length); + }; + } + + // **Reduce** builds up a single result from a list of values, aka `inject`, + // or `foldl`. + _.reduce = _.foldl = _.inject = createReduce(1); + + // The right-associative version of reduce, also known as `foldr`. + _.reduceRight = _.foldr = createReduce(-1); + + // Return the first value which passes a truth test. Aliased as `detect`. + _.find = _.detect = function(obj, predicate, context) { + var key; + if (isArrayLike(obj)) { + key = _.findIndex(obj, predicate, context); + } else { + key = _.findKey(obj, predicate, context); + } + if (key !== void 0 && key !== -1) return obj[key]; + }; + + // Return all the elements that pass a truth test. + // Aliased as `select`. + _.filter = _.select = function(obj, predicate, context) { + var results = []; + predicate = cb(predicate, context); + _.each(obj, function(value, index, list) { + if (predicate(value, index, list)) results.push(value); + }); + return results; + }; + + // Return all the elements for which a truth test fails. + _.reject = function(obj, predicate, context) { + return _.filter(obj, _.negate(cb(predicate)), context); + }; + + // Determine whether all of the elements match a truth test. + // Aliased as `all`. + _.every = _.all = function(obj, predicate, context) { + predicate = cb(predicate, context); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length; + for (var index = 0; index < length; index++) { + var currentKey = keys ? keys[index] : index; + if (!predicate(obj[currentKey], currentKey, obj)) return false; + } + return true; + }; + + // Determine if at least one element in the object matches a truth test. + // Aliased as `any`. + _.some = _.any = function(obj, predicate, context) { + predicate = cb(predicate, context); + var keys = !isArrayLike(obj) && _.keys(obj), + length = (keys || obj).length; + for (var index = 0; index < length; index++) { + var currentKey = keys ? keys[index] : index; + if (predicate(obj[currentKey], currentKey, obj)) return true; + } + return false; + }; + + // Determine if the array or object contains a given item (using `===`). + // Aliased as `includes` and `include`. + _.contains = _.includes = _.include = function(obj, item, fromIndex, guard) { + if (!isArrayLike(obj)) obj = _.values(obj); + if (typeof fromIndex != 'number' || guard) fromIndex = 0; + return _.indexOf(obj, item, fromIndex) >= 0; + }; + + // Invoke a method (with arguments) on every item in a collection. + _.invoke = function(obj, method) { + var args = slice.call(arguments, 2); + var isFunc = _.isFunction(method); + return _.map(obj, function(value) { + var func = isFunc ? method : value[method]; + return func == null ? func : func.apply(value, args); + }); + }; + + // Convenience version of a common use case of `map`: fetching a property. + _.pluck = function(obj, key) { + return _.map(obj, _.property(key)); + }; + + // Convenience version of a common use case of `filter`: selecting only objects + // containing specific `key:value` pairs. + _.where = function(obj, attrs) { + return _.filter(obj, _.matcher(attrs)); + }; + + // Convenience version of a common use case of `find`: getting the first object + // containing specific `key:value` pairs. + _.findWhere = function(obj, attrs) { + return _.find(obj, _.matcher(attrs)); + }; + + // Return the maximum element (or element-based computation). + _.max = function(obj, iteratee, context) { + var result = -Infinity, lastComputed = -Infinity, + value, computed; + if (iteratee == null && obj != null) { + obj = isArrayLike(obj) ? obj : _.values(obj); + for (var i = 0, length = obj.length; i < length; i++) { + value = obj[i]; + if (value > result) { + result = value; + } + } + } else { + iteratee = cb(iteratee, context); + _.each(obj, function(value, index, list) { + computed = iteratee(value, index, list); + if (computed > lastComputed || computed === -Infinity && result === -Infinity) { + result = value; + lastComputed = computed; + } + }); + } + return result; + }; + + // Return the minimum element (or element-based computation). + _.min = function(obj, iteratee, context) { + var result = Infinity, lastComputed = Infinity, + value, computed; + if (iteratee == null && obj != null) { + obj = isArrayLike(obj) ? obj : _.values(obj); + for (var i = 0, length = obj.length; i < length; i++) { + value = obj[i]; + if (value < result) { + result = value; + } + } + } else { + iteratee = cb(iteratee, context); + _.each(obj, function(value, index, list) { + computed = iteratee(value, index, list); + if (computed < lastComputed || computed === Infinity && result === Infinity) { + result = value; + lastComputed = computed; + } + }); + } + return result; + }; + + // Shuffle a collection, using the modern version of the + // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle). + _.shuffle = function(obj) { + var set = isArrayLike(obj) ? obj : _.values(obj); + var length = set.length; + var shuffled = Array(length); + for (var index = 0, rand; index < length; index++) { + rand = _.random(0, index); + if (rand !== index) shuffled[index] = shuffled[rand]; + shuffled[rand] = set[index]; + } + return shuffled; + }; + + // Sample **n** random values from a collection. + // If **n** is not specified, returns a single random element. + // The internal `guard` argument allows it to work with `map`. + _.sample = function(obj, n, guard) { + if (n == null || guard) { + if (!isArrayLike(obj)) obj = _.values(obj); + return obj[_.random(obj.length - 1)]; + } + return _.shuffle(obj).slice(0, Math.max(0, n)); + }; + + // Sort the object's values by a criterion produced by an iteratee. + _.sortBy = function(obj, iteratee, context) { + iteratee = cb(iteratee, context); + return _.pluck(_.map(obj, function(value, index, list) { + return { + value: value, + index: index, + criteria: iteratee(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; + }), 'value'); + }; + + // An internal function used for aggregate "group by" operations. + var group = function(behavior) { + return function(obj, iteratee, context) { + var result = {}; + iteratee = cb(iteratee, context); + _.each(obj, function(value, index) { + var key = iteratee(value, index, obj); + behavior(result, value, key); + }); + 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 = group(function(result, value, key) { + if (_.has(result, key)) result[key].push(value); else result[key] = [value]; + }); + + // Indexes the object's values by a criterion, similar to `groupBy`, but for + // when you know that your index values will be unique. + _.indexBy = group(function(result, value, key) { + result[key] = 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 = group(function(result, value, key) { + if (_.has(result, key)) result[key]++; else result[key] = 1; + }); + + // Safely create a real, live array from anything iterable. + _.toArray = function(obj) { + if (!obj) return []; + if (_.isArray(obj)) return slice.call(obj); + if (isArrayLike(obj)) return _.map(obj, _.identity); + return _.values(obj); + }; + + // Return the number of elements in an object. + _.size = function(obj) { + if (obj == null) return 0; + return isArrayLike(obj) ? obj.length : _.keys(obj).length; + }; + + // Split a collection into two arrays: one whose elements all satisfy the given + // predicate, and one whose elements all do not satisfy the predicate. + _.partition = function(obj, predicate, context) { + predicate = cb(predicate, context); + var pass = [], fail = []; + _.each(obj, function(value, key, obj) { + (predicate(value, key, obj) ? pass : fail).push(value); + }); + return [pass, fail]; + }; + + // 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; + if (n == null || guard) return array[0]; + return _.initial(array, array.length - n); + }; + + // 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. + _.initial = function(array, n, guard) { + return slice.call(array, 0, Math.max(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. + _.last = function(array, n, guard) { + if (array == null) return void 0; + if (n == null || guard) return array[array.length - 1]; + return _.rest(array, Math.max(0, array.length - n)); + }; + + // 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. + _.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, strict, startIndex) { + var output = [], idx = 0; + for (var i = startIndex || 0, length = getLength(input); i < length; i++) { + var value = input[i]; + if (isArrayLike(value) && (_.isArray(value) || _.isArguments(value))) { + //flatten current level of array or arguments object + if (!shallow) value = flatten(value, shallow, strict); + var j = 0, len = value.length; + output.length += len; + while (j < len) { + output[idx++] = value[j++]; + } + } else if (!strict) { + output[idx++] = value; + } + } + return output; + }; + + // Flatten out an array, either recursively (by default), or just one level. + _.flatten = function(array, shallow) { + return flatten(array, shallow, false); + }; + + // 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, iteratee, context) { + if (!_.isBoolean(isSorted)) { + context = iteratee; + iteratee = isSorted; + isSorted = false; + } + if (iteratee != null) iteratee = cb(iteratee, context); + var result = []; + var seen = []; + for (var i = 0, length = getLength(array); i < length; i++) { + var value = array[i], + computed = iteratee ? iteratee(value, i, array) : value; + if (isSorted) { + if (!i || seen !== computed) result.push(value); + seen = computed; + } else if (iteratee) { + if (!_.contains(seen, computed)) { + seen.push(computed); + result.push(value); + } + } else if (!_.contains(result, value)) { + result.push(value); + } + } + return result; + }; + + // Produce an array that contains the union: each distinct element from all of + // the passed-in arrays. + _.union = function() { + return _.uniq(flatten(arguments, true, true)); + }; + + // Produce an array that contains every item shared between all the + // passed-in arrays. + _.intersection = function(array) { + var result = []; + var argsLength = arguments.length; + for (var i = 0, length = getLength(array); i < length; i++) { + var item = array[i]; + if (_.contains(result, item)) continue; + for (var j = 1; j < argsLength; j++) { + if (!_.contains(arguments[j], item)) break; + } + if (j === argsLength) result.push(item); + } + return result; + }; + + // 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 = flatten(arguments, true, true, 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() { + return _.unzip(arguments); + }; + + // Complement of _.zip. Unzip accepts an array of arrays and groups + // each array's elements on shared indices + _.unzip = function(array) { + var length = array && _.max(array, getLength).length || 0; + var result = Array(length); + + for (var index = 0; index < length; index++) { + result[index] = _.pluck(array, index); + } + return result; + }; + + // 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) { + var result = {}; + for (var i = 0, length = getLength(list); i < length; i++) { + if (values) { + result[list[i]] = values[i]; + } else { + result[list[i][0]] = list[i][1]; + } + } + return result; + }; + + // Generator function to create the findIndex and findLastIndex functions + function createPredicateIndexFinder(dir) { + return function(array, predicate, context) { + predicate = cb(predicate, context); + var length = getLength(array); + var index = dir > 0 ? 0 : length - 1; + for (; index >= 0 && index < length; index += dir) { + if (predicate(array[index], index, array)) return index; + } + return -1; + }; + } + + // Returns the first index on an array-like that passes a predicate test + _.findIndex = createPredicateIndexFinder(1); + _.findLastIndex = createPredicateIndexFinder(-1); + + // 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, iteratee, context) { + iteratee = cb(iteratee, context, 1); + var value = iteratee(obj); + var low = 0, high = getLength(array); + while (low < high) { + var mid = Math.floor((low + high) / 2); + if (iteratee(array[mid]) < value) low = mid + 1; else high = mid; + } + return low; + }; + + // Generator function to create the indexOf and lastIndexOf functions + function createIndexFinder(dir, predicateFind, sortedIndex) { + return function(array, item, idx) { + var i = 0, length = getLength(array); + if (typeof idx == 'number') { + if (dir > 0) { + i = idx >= 0 ? idx : Math.max(idx + length, i); + } else { + length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1; + } + } else if (sortedIndex && idx && length) { + idx = sortedIndex(array, item); + return array[idx] === item ? idx : -1; + } + if (item !== item) { + idx = predicateFind(slice.call(array, i, length), _.isNaN); + return idx >= 0 ? idx + i : -1; + } + for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) { + if (array[idx] === item) return idx; + } + return -1; + }; + } + + // Return the position of the first occurrence of an item in an array, + // or -1 if the item is not included in the array. + // If the array is large and already in sort order, pass `true` + // for **isSorted** to use binary search. + _.indexOf = createIndexFinder(1, _.findIndex, _.sortedIndex); + _.lastIndexOf = createIndexFinder(-1, _.findLastIndex); + + // 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 (stop == null) { + stop = start || 0; + start = 0; + } + step = step || 1; + + var length = Math.max(Math.ceil((stop - start) / step), 0); + var range = Array(length); + + for (var idx = 0; idx < length; idx++, start += step) { + range[idx] = start; + } + + return range; + }; + + // Function (ahem) Functions + // ------------------ + + // Determines whether to execute a function as a constructor + // or a normal function with the provided arguments + var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) { + if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args); + var self = baseCreate(sourceFunc.prototype); + var result = sourceFunc.apply(self, args); + if (_.isObject(result)) return result; + return self; + }; + + // Create a function bound to a given object (assigning `this`, and arguments, + // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if + // available. + _.bind = function(func, context) { + if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1)); + if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function'); + var args = slice.call(arguments, 2); + var bound = function() { + return executeBound(func, bound, context, this, args.concat(slice.call(arguments))); + }; + return bound; + }; + + // Partially apply a function by creating a version that has had some of its + // arguments pre-filled, without changing its dynamic `this` context. _ acts + // as a placeholder, allowing any combination of arguments to be pre-filled. + _.partial = function(func) { + var boundArgs = slice.call(arguments, 1); + var bound = function() { + var position = 0, length = boundArgs.length; + var args = Array(length); + for (var i = 0; i < length; i++) { + args[i] = boundArgs[i] === _ ? arguments[position++] : boundArgs[i]; + } + while (position < arguments.length) args.push(arguments[position++]); + return executeBound(func, bound, this, this, args); + }; + return bound; + }; + + // Bind a number of an object's methods to that object. Remaining arguments + // are the method names to be bound. Useful for ensuring that all callbacks + // defined on an object belong to it. + _.bindAll = function(obj) { + var i, length = arguments.length, key; + if (length <= 1) throw new Error('bindAll must be passed function names'); + for (i = 1; i < length; i++) { + key = arguments[i]; + obj[key] = _.bind(obj[key], obj); + } + return obj; + }; + + // Memoize an expensive function by storing its results. + _.memoize = function(func, hasher) { + var memoize = function(key) { + var cache = memoize.cache; + var address = '' + (hasher ? hasher.apply(this, arguments) : key); + if (!_.has(cache, address)) cache[address] = func.apply(this, arguments); + return cache[address]; + }; + memoize.cache = {}; + return memoize; + }; + + // 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 = _.partial(_.delay, _, 1); + + // Returns a function, that, when invoked, will only be triggered at most once + // during a given window of time. Normally, the throttled function will run + // as much as it can, without ever going more than once per `wait` duration; + // but if you'd like to disable the execution on the leading edge, pass + // `{leading: false}`. To disable execution on the trailing edge, ditto. + _.throttle = function(func, wait, options) { + var context, args, result; + var timeout = null; + var previous = 0; + if (!options) options = {}; + var later = function() { + previous = options.leading === false ? 0 : _.now(); + timeout = null; + result = func.apply(context, args); + if (!timeout) context = args = null; + }; + return function() { + var now = _.now(); + if (!previous && options.leading === false) previous = now; + var remaining = wait - (now - previous); + context = this; + args = arguments; + if (remaining <= 0 || remaining > wait) { + if (timeout) { + clearTimeout(timeout); + timeout = null; + } + previous = now; + result = func.apply(context, args); + if (!timeout) context = args = null; + } else if (!timeout && options.trailing !== false) { + 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, args, context, timestamp, result; + + var later = function() { + var last = _.now() - timestamp; + + if (last < wait && last >= 0) { + timeout = setTimeout(later, wait - last); + } else { + timeout = null; + if (!immediate) { + result = func.apply(context, args); + if (!timeout) context = args = null; + } + } + }; + + return function() { + context = this; + args = arguments; + timestamp = _.now(); + var callNow = immediate && !timeout; + if (!timeout) timeout = setTimeout(later, wait); + if (callNow) { + result = func.apply(context, args); + context = args = null; + } + + return result; + }; + }; + + // 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 _.partial(wrapper, func); + }; + + // Returns a negated version of the passed-in predicate. + _.negate = function(predicate) { + return function() { + return !predicate.apply(this, arguments); + }; + }; + + // 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 args = arguments; + var start = args.length - 1; + return function() { + var i = start; + var result = args[start].apply(this, arguments); + while (i--) result = args[i].call(this, result); + return result; + }; + }; + + // Returns a function that will only be executed on and after the Nth call. + _.after = function(times, func) { + return function() { + if (--times < 1) { + return func.apply(this, arguments); + } + }; + }; + + // Returns a function that will only be executed up to (but not including) the Nth call. + _.before = function(times, func) { + var memo; + return function() { + if (--times > 0) { + memo = func.apply(this, arguments); + } + if (times <= 1) func = null; + return memo; + }; + }; + + // Returns a function that will be executed at most one time, no matter how + // often you call it. Useful for lazy initialization. + _.once = _.partial(_.before, 2); + + // Object Functions + // ---------------- + + // Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed. + var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString'); + var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString', + 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString']; + + function collectNonEnumProps(obj, keys) { + var nonEnumIdx = nonEnumerableProps.length; + var constructor = obj.constructor; + var proto = (_.isFunction(constructor) && constructor.prototype) || ObjProto; + + // Constructor is a special case. + var prop = 'constructor'; + if (_.has(obj, prop) && !_.contains(keys, prop)) keys.push(prop); + + while (nonEnumIdx--) { + prop = nonEnumerableProps[nonEnumIdx]; + if (prop in obj && obj[prop] !== proto[prop] && !_.contains(keys, prop)) { + keys.push(prop); + } + } + } + + // Retrieve the names of an object's own properties. + // Delegates to **ECMAScript 5**'s native `Object.keys` + _.keys = function(obj) { + if (!_.isObject(obj)) return []; + if (nativeKeys) return nativeKeys(obj); + var keys = []; + for (var key in obj) if (_.has(obj, key)) keys.push(key); + // Ahem, IE < 9. + if (hasEnumBug) collectNonEnumProps(obj, keys); + return keys; + }; + + // Retrieve all the property names of an object. + _.allKeys = function(obj) { + if (!_.isObject(obj)) return []; + var keys = []; + for (var key in obj) keys.push(key); + // Ahem, IE < 9. + if (hasEnumBug) collectNonEnumProps(obj, keys); + return keys; + }; + + // Retrieve the values of an object's properties. + _.values = function(obj) { + var keys = _.keys(obj); + var length = keys.length; + var values = Array(length); + for (var i = 0; i < length; i++) { + values[i] = obj[keys[i]]; + } + return values; + }; + + // Returns the results of applying the iteratee to each element of the object + // In contrast to _.map it returns an object + _.mapObject = function(obj, iteratee, context) { + iteratee = cb(iteratee, context); + var keys = _.keys(obj), + length = keys.length, + results = {}, + currentKey; + for (var index = 0; index < length; index++) { + currentKey = keys[index]; + results[currentKey] = iteratee(obj[currentKey], currentKey, obj); + } + return results; + }; + + // Convert an object into a list of `[key, value]` pairs. + _.pairs = function(obj) { + var keys = _.keys(obj); + var length = keys.length; + var pairs = Array(length); + for (var i = 0; i < length; i++) { + pairs[i] = [keys[i], obj[keys[i]]]; + } + return pairs; + }; + + // Invert the keys and values of an object. The values must be serializable. + _.invert = function(obj) { + var result = {}; + var keys = _.keys(obj); + for (var i = 0, length = keys.length; i < length; i++) { + result[obj[keys[i]]] = keys[i]; + } + 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 = createAssigner(_.allKeys); + + // Assigns a given object with all the own properties in the passed-in object(s) + // (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/…) + _.extendOwn = _.assign = createAssigner(_.keys); + + // Returns the first key on an object that passes a predicate test + _.findKey = function(obj, predicate, context) { + predicate = cb(predicate, context); + var keys = _.keys(obj), key; + for (var i = 0, length = keys.length; i < length; i++) { + key = keys[i]; + if (predicate(obj[key], key, obj)) return key; + } + }; + + // Return a copy of the object only containing the whitelisted properties. + _.pick = function(object, oiteratee, context) { + var result = {}, obj = object, iteratee, keys; + if (obj == null) return result; + if (_.isFunction(oiteratee)) { + keys = _.allKeys(obj); + iteratee = optimizeCb(oiteratee, context); + } else { + keys = flatten(arguments, false, false, 1); + iteratee = function(value, key, obj) { return key in obj; }; + obj = Object(obj); + } + for (var i = 0, length = keys.length; i < length; i++) { + var key = keys[i]; + var value = obj[key]; + if (iteratee(value, key, obj)) result[key] = value; + } + return result; + }; + + // Return a copy of the object without the blacklisted properties. + _.omit = function(obj, iteratee, context) { + if (_.isFunction(iteratee)) { + iteratee = _.negate(iteratee); + } else { + var keys = _.map(flatten(arguments, false, false, 1), String); + iteratee = function(value, key) { + return !_.contains(keys, key); + }; + } + return _.pick(obj, iteratee, context); + }; + + // Fill in a given object with default properties. + _.defaults = createAssigner(_.allKeys, true); + + // Creates an object that inherits from the given prototype object. + // If additional properties are provided then they will be added to the + // created object. + _.create = function(prototype, props) { + var result = baseCreate(prototype); + if (props) _.extendOwn(result, props); + return result; + }; + + // 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; + }; + + // Returns whether an object has a given set of `key:value` pairs. + _.isMatch = function(object, attrs) { + var keys = _.keys(attrs), length = keys.length; + if (object == null) return !length; + var obj = Object(object); + for (var i = 0; i < length; i++) { + var key = keys[i]; + if (attrs[key] !== obj[key] || !(key in obj)) return false; + } + return true; + }; + + + // 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, regular expressions, dates, and booleans are compared by value. + case '[object RegExp]': + // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i') + case '[object String]': + // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is + // equivalent to `new String("5")`. + return '' + a === '' + b; + case '[object Number]': + // `NaN`s are equivalent, but non-reflexive. + // Object(NaN) is equivalent to NaN + if (+a !== +a) return +b !== +b; + // An `egal` comparison is performed for other numeric values. + return +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; + } + + var areArrays = className === '[object Array]'; + if (!areArrays) { + if (typeof a != 'object' || typeof b != 'object') return false; + + // Objects with different constructors are not equivalent, but `Object`s or `Array`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) + && ('constructor' in a && 'constructor' in b)) { + 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`. + + // Initializing stack of traversed objects. + // It's done here since we only need them for objects and arrays comparison. + aStack = aStack || []; + bStack = bStack || []; + 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); + + // Recursively compare objects and arrays. + if (areArrays) { + // Compare array lengths to determine if a deep comparison is necessary. + length = a.length; + if (length !== b.length) return false; + // Deep compare the contents, ignoring non-numeric properties. + while (length--) { + if (!eq(a[length], b[length], aStack, bStack)) return false; + } + } else { + // Deep compare objects. + var keys = _.keys(a), key; + length = keys.length; + // Ensure that both objects contain the same number of properties before comparing deep equality. + if (_.keys(b).length !== length) return false; + while (length--) { + // Deep compare each member + key = keys[length]; + if (!(_.has(b, key) && eq(a[key], b[key], aStack, bStack))) return false; + } + } + // Remove the first object from the stack of traversed objects. + aStack.pop(); + bStack.pop(); + return true; + }; + + // 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 (isArrayLike(obj) && (_.isArray(obj) || _.isString(obj) || _.isArguments(obj))) return obj.length === 0; + return _.keys(obj).length === 0; + }; + + // 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) { + var type = typeof obj; + return type === 'function' || type === 'object' && !!obj; + }; + + // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp, isError. + _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp', 'Error'], function(name) { + _['is' + name] = function(obj) { + return toString.call(obj) === '[object ' + name + ']'; + }; + }); + + // Define a fallback version of the method in browsers (ahem, IE < 9), where + // there isn't any inspectable "Arguments" type. + if (!_.isArguments(arguments)) { + _.isArguments = function(obj) { + return _.has(obj, 'callee'); + }; + } + + // Optimize `isFunction` if appropriate. Work around some typeof bugs in old v8, + // IE 11 (#1621), and in Safari 8 (#1929). + if (typeof /./ != 'function' && typeof Int8Array != 'object') { + _.isFunction = function(obj) { + return typeof obj == 'function' || false; + }; + } + + // 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 obj != null && 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 iteratees. + _.identity = function(value) { + return value; + }; + + // Predicate-generating functions. Often useful outside of Underscore. + _.constant = function(value) { + return function() { + return value; + }; + }; + + _.noop = function(){}; + + _.property = property; + + // Generates a function for a given object that returns a given property. + _.propertyOf = function(obj) { + return obj == null ? function(){} : function(key) { + return obj[key]; + }; + }; + + // Returns a predicate for checking whether an object has a given set of + // `key:value` pairs. + _.matcher = _.matches = function(attrs) { + attrs = _.extendOwn({}, attrs); + return function(obj) { + return _.isMatch(obj, attrs); + }; + }; + + // Run a function **n** times. + _.times = function(n, iteratee, context) { + var accum = Array(Math.max(0, n)); + iteratee = optimizeCb(iteratee, context, 1); + for (var i = 0; i < n; i++) accum[i] = iteratee(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 + Math.floor(Math.random() * (max - min + 1)); + }; + + // A (possibly faster) way to get the current timestamp as an integer. + _.now = Date.now || function() { + return new Date().getTime(); + }; + + // List of HTML entities for escaping. + var escapeMap = { + '&': '&', + '<': '<', + '>': '>', + '"': '"', + "'": ''', + '`': '`' + }; + var unescapeMap = _.invert(escapeMap); + + // Functions for escaping and unescaping strings to/from HTML interpolation. + var createEscaper = function(map) { + var escaper = function(match) { + return map[match]; + }; + // Regexes for identifying a key that needs to be escaped + var source = '(?:' + _.keys(map).join('|') + ')'; + var testRegexp = RegExp(source); + var replaceRegexp = RegExp(source, 'g'); + return function(string) { + string = string == null ? '' : '' + string; + return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string; + }; + }; + _.escape = createEscaper(escapeMap); + _.unescape = createEscaper(unescapeMap); + + // If the value of the named `property` is a function then invoke it with the + // `object` as context; otherwise, return it. + _.result = function(object, property, fallback) { + var value = object == null ? void 0 : object[property]; + if (value === void 0) { + value = fallback; + } + return _.isFunction(value) ? value.call(object) : value; + }; + + // 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', + '\u2028': 'u2028', + '\u2029': 'u2029' + }; + + var escaper = /\\|'|\r|\n|\u2028|\u2029/g; + + var escapeChar = function(match) { + return '\\' + escapes[match]; + }; + + // JavaScript micro-templating, similar to John Resig's implementation. + // Underscore templating handles arbitrary delimiters, preserves whitespace, + // and correctly escapes quotes within interpolated code. + // NB: `oldSettings` only exists for backwards compatibility. + _.template = function(text, settings, oldSettings) { + if (!settings && oldSettings) settings = oldSettings; + settings = _.defaults({}, settings, _.templateSettings); + + // Combine delimiters into one regular expression via alternation. + var matcher = 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, escapeChar); + index = offset + match.length; + + if (escape) { + source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'"; + } else if (interpolate) { + source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'"; + } else if (evaluate) { + source += "';\n" + evaluate + "\n__p+='"; + } + + // Adobe VMs need the match returned to produce the correct offest. + 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; + } + + var template = function(data) { + return render.call(this, data, _); + }; + + // Provide the compiled source as a convenience for precompilation. + var argument = settings.variable || 'obj'; + template.source = 'function(' + argument + '){\n' + source + '}'; + + return template; + }; + + // Add a "chain" function. Start chaining a wrapped Underscore object. + _.chain = function(obj) { + var instance = _(obj); + instance._chain = true; + return instance; + }; + + // 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(instance, obj) { + return instance._chain ? _(obj).chain() : obj; + }; + + // 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(this, func.apply(_, args)); + }; + }); + }; + + // 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(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(this, method.apply(this._wrapped, arguments)); + }; + }); + + // Extracts the result from a wrapped and chained object. + _.prototype.value = function() { + return this._wrapped; + }; + + // Provide unwrapping proxy for some methods used in engine operations + // such as arithmetic and JSON stringification. + _.prototype.valueOf = _.prototype.toJSON = _.prototype.value; + + _.prototype.toString = function() { + return '' + this._wrapped; + }; + + // AMD registration happens at the end for compatibility with AMD loaders + // that may not enforce next-turn semantics on modules. Even though general + // practice for AMD registration is to be anonymous, underscore registers + // as a named module because, like jQuery, it is a base library that is + // popular enough to be bundled in a third party lib, but not be part of + // an AMD load request. Those cases could generate an error when an + // anonymous define() is called outside of a loader request. + if (typeof define === 'function' && define.amd) { + define('underscore', [], function() { + return _; + }); + } +}.call(this)); diff --git a/js/main.js b/js/main.js index 6c4984e..a7f3623 100644 --- a/js/main.js +++ b/js/main.js @@ -6,13 +6,13 @@ require.config({ paths: { jquery: 'https://metrics.torproject.org/js/jquery-3.2.1.min', underscore: 'libs/underscore/underscore-min', - backbone: 'libs/backbone/backbone-optamd3-min', + backbone: 'libs/backbone/backbone.min', text: 'libs/require/text', datatables: 'libs/datatables/jquery.dataTables.min', datatablest: 'libs/datatables/dataTables.TorStatus', datatablessort: 'libs/datatables/dataTables.Sorting', + bootstrap: 'https://metrics.torproject.org/js/bootstrap.min', tooltip: 'libs/bootstrap/bootstrap-tooltip', - typeahead: 'libs/bootstrap/bootstrap3-typeahead.min', datatablesbs: 'libs/datatables/dataTables.bootstrap', d3js: 'libs/d3js/d3.v3.min', jssha: 'libs/jssha/sha1', diff --git a/js/router.js b/js/router.js index 9f9f6f3..8b6034b 100644 --- a/js/router.js +++ b/js/router.js @@ -11,8 +11,10 @@ define([ var AppRouter = Backbone.Router.extend({ routes: { // Define the routes for the actions in Atlas + 'details/': 'mainDetails', 'details/:fingerprint': 'mainDetails', 'search/:query': 'doSearch', + 'search/': 'doSearch', 'top10': 'showTopRelays', 'toprelays': 'showTopRelays', // Default @@ -29,10 +31,11 @@ define([ // Show the details page of a node mainDetails: function(fingerprint){ - $("#content").hide(); $(".progress").show(); + fingerprint = ( fingerprint == null ) ? "" : fingerprint; + mainDetailsView.model.fingerprint = this.hashFingerprint(fingerprint); mainDetailsView.model.lookup({ success: function(relay) { @@ -62,7 +65,7 @@ define([ $("#content").hide(); $(".progress").show(); - if (query == "") { + if (query == null) { doSearchView.error = 5; doSearchView.renderError(); $(".progress").hide(); @@ -73,7 +76,6 @@ define([ doSearchView.collection.lookup({ success: function(err, relaysPublished, bridgesPublished){ doSearchView.relays = doSearchView.collection.models; - // Redirect to the details page when there is exactly one // search result. if (doSearchView.relays.length == 1) { diff --git a/js/views/details/main.js b/js/views/details/main.js index 9e31274..87e796e 100644 --- a/js/views/details/main.js +++ b/js/views/details/main.js @@ -15,7 +15,7 @@ define([ ], function($, _, Backbone, relayModel, graphModel, routerDetailsTemplate, bridgeDetailsTemplate, errorDetailsTemplate){ var mainDetailsView = Backbone.View.extend({ - el: $("#content"), + el: "#content", initialize: function() { this.model = new relayModel; this.graph = new graphModel; @@ -172,13 +172,13 @@ define([ var data = {relay: this.model}; var compiledTemplate; if (!this.model) - compiledTemplate = _.template(errorDetailsTemplate, data); + compiledTemplate = _.template(errorDetailsTemplate); else if (this.model.get('is_bridge')) - compiledTemplate = _.template(bridgeDetailsTemplate, data); + compiledTemplate = _.template(bridgeDetailsTemplate); else - compiledTemplate = _.template(routerDetailsTemplate, data); + compiledTemplate = _.template(routerDetailsTemplate); document.title = "Relay Search: " + this.model.get('nickname'); - this.el.html(compiledTemplate); + this.$el.html(compiledTemplate(data)); canSvg = !!(document.createElementNS && document.createElementNS('http://www.w3.org/2000/svg','svg').createSVGRect); if (canSvg) { @@ -243,8 +243,8 @@ define([ $(".tip").tooltip({ placement: 'right' }); }, error: function() { - var compiledTemplate = _.template(errorDetailsTemplate, {relay: null}); - this.el.html(compiledTemplate); + var compiledTemplate = _.template(errorDetailsTemplate); + this.$el.html(compiledTemplate({'relay': null})); } }); return new mainDetailsView; diff --git a/js/views/search/do.js b/js/views/search/do.js index c1f789d..b5b8eee 100644 --- a/js/views/search/do.js +++ b/js/views/search/do.js @@ -7,117 +7,55 @@ define([ 'text!templates/search/do.html', 'datatables', 'datatablessort', - 'tooltip', 'helpers', - 'typeahead', - 'datatablesbs' + 'bootstrap', + 'datatablesbs', + 'tooltip' ], function($, _, Backbone, resultsCollection, doSearchTemplate){ var doSearchView = Backbone.View.extend({ - el: $("#content"), - initialize: function() { - this.collection = new resultsCollection; - }, - render: function(query){ - document.title = "Relay Search"; - var asInitVals = new Array(); - var compiledTemplate = _.template(doSearchTemplate, {query: query, relays: this.relays, countries: CountryCodes, error: this.error, relaysPublished: this.relaysPublished, bridgesPublished: this.bridgesPublished}); - this.el.html(compiledTemplate); - var fp = this; - loadSortingExtensions(); - // This creates the table using DataTables - var oTable = $('#torstatus_results').dataTable({ - //Define column specific options - "aoColumns": [ - null, //Status - null, //Nickname - { "sType": "file-size" }, //Bandwidth - null, //Uptime - null, //Country - { "sType": "ip-address" }, //IP Address - null, //Flags - null, //Additional Flags - null, //ORPort - null, //DirPort - null //Type - ], - // Save the state of the tables - "sDom": "<'row'<'span6'l><'span6 hide'f>r>t<'row'<'span6'i><'span6'p>>", - "bStateSave": false, - "aaSorting": [[2, "desc"]], - "fnDrawCallback": function( oSettings ) { - // Make the tooltips - $(".tip").tooltip(); - } - }); - // Type ahead for country codes - $('.typeahead').typeahead({source:_.values(CountryCodes)}); - $('input#flags').typeahead({ - source: ['Authority', 'Fast', 'Guard', 'HSDir', 'Named', - 'Running', 'Stable', 'V2Dir', 'Valid', 'Unnamed', - 'Exit'] - }); - $('input#type').typeahead({ - source: ['Relay', 'Bridge'] - }); - - $("#torstatus_results tbody tr").hover(function() { - $(this).addClass('hover'); - }, function() { - $(this).removeClass('hover'); - }); - - $("tfoot input#nickname").keyup( function() { - oTable.fnFilter(this.value, 0); - }); - - $("tfoot input#bw_from").keyup(function() { - oTable.fnDraw(); - }); - - $("tfoot input#bw_to").keyup(function() { - oTable.fnDraw(); - }); - - $("tfoot input#uptime_from").keyup(function() { - oTable.fnDraw(); - }); - - $("tfoot input#uptime_to").keyup(function() { - oTable.fnDraw(); - }); - - $("tfoot input#or_address").keyup(function() { - oTable.fnFilter(this.value, 4); - }); - - $("tfoot input#or_port").keyup(function() { - oTable.fnFilter(this.value, 6); - }); - - $("tfoot input#dir_port").keyup(function() { - oTable.fnFilter(this.value, 7); - }); - - $("tfoot input#flags").keyup(function() { - oTable.fnDraw(); - }); - - $("tfoot input#country").keyup(function() { - oTable.fnDraw(); - }); - - $("tfoot input#type").keyup(function() { - oTable.fnFilter(this.value, 8); - }); - - - }, - - renderError: function(){ - var compiledTemplate = _.template(doSearchTemplate, {relays: null, error: this.error, countries: null}); - this.el.html(compiledTemplate); - } - + el: "#content", + initialize: function() { + this.collection = new resultsCollection; + }, + render: function(query){ + document.title = "Relay Search"; + var compiledTemplate = _.template(doSearchTemplate) + this.$el.html(compiledTemplate({query: query, + relays: this.relays, + countries: CountryCodes, + error: this.error, + relaysPublished: this.relaysPublished, + bridgesPublished: this.bridgesPublished})); + + // This creates the table using DataTables + loadSortingExtensions(); + var oTable = $('#torstatus_results').dataTable({ + //Define column specific options + "aoColumns": [ + null, //Status + null, //Nickname + { "sType": "file-size" }, //Bandwidth + null, //Uptime + null, //Country + { "sType": "ip-address" }, //IP Address + null, //Flags + null, //Additional Flags + null, //ORPort + null, //DirPort + null //Type + ], + "sDom": "<\"top\"l>rt<\"bottom\"ip><\"clear\">", + "bStateSave": false, + "aaSorting": [[2, "desc"]], + "fnDrawCallback": function( oSettings ) { + $(".tip").tooltip(); + } + }); + }, + renderError: function(){ + var compiledTemplate = _.template(doSearchTemplate); + this.$el.html(compiledTemplate({relays: null, error: this.error, countries: null})); + } }); return new doSearchView; }); diff --git a/js/views/search/main.js b/js/views/search/main.js index 1eb0a83..7bf97b1 100644 --- a/js/views/search/main.js +++ b/js/views/search/main.js @@ -6,13 +6,13 @@ define([ 'text!templates/search/main.html', ], function($, _, Backbone, mainSearchTemplate){ var mainSearchView = Backbone.View.extend({ - el: $("#content"), + el: "#content", render: function(query){ document.title = "Relay Search"; var data = {}; - var compiledTemplate = _.template(mainSearchTemplate, data); - this.el.html(compiledTemplate); + var compiledTemplate = _.template(mainSearchTemplate); + this.$el.html(compiledTemplate, data); $("#do-top-relays").bind('click', function(){ document.location = "#toprelays"; diff --git a/templates/details/router.html b/templates/details/router.html index 4b11519..89edf81 100644 --- a/templates/details/router.html +++ b/templates/details/router.html @@ -75,13 +75,13 @@ <dt><span class="tip" title="Relays that are part of this relay's family and consider this relay to be part of their family.">Effective Family Members</span> <% if (relay.get('effective_family') !== null) { %><a href="#search/family:<%= relay.get('fingerprint') %>"><i class="fa fa-search"></i></a><% } %></dt> <dd> - <pre class="pre-scrollable"><% if (relay.get('effective_family') !== null) { %><% _.each(relay.get('effective_family'), function(member) { %><% var valid = member.match(RegExp("^\$?[A-F0-9]{40}$")); %> + <pre class="pre-scrollable"><% if (relay.get('effective_family') !== null) { %><% _.each(relay.get('effective_family'), function(member) { %><% var valid = member.match(RegExp("^\\$?[A-F0-9]{40}$")); %> <% if (valid) { %><a href="#details/<%= member.replace('$', '') %>"><% } %><%= member %><% if (valid) { %></a><% }}); %> <% } else { %>none<% } %></pre> </dd> <dt><span class="tip" title="Relays that are part of this relay's family but don't consider this relay to be part of their family.">Alleged Family Members</span></dt> <dd> - <pre class="pre-scrollable"><% if (relay.get('alleged_family') !== null) { %><% _.each(relay.get('alleged_family'), function(member) { %><% var valid = member.match(RegExp("^\$?[A-F0-9]{40}$")); %> + <pre class="pre-scrollable"><% if (relay.get('alleged_family') !== null) { %><% _.each(relay.get('alleged_family'), function(member) { %><% var valid = member.match(RegExp("^\\$?[A-F0-9]{40}$")); %> <% if (valid) { %><a href="#details/<%= member.replace('$', '') %>" class="alleged"><% } %><%= member %><% if (valid) { %></a><% }}); %> <% } else { %>none<% } %></pre> </dd>

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tor-commits November 2017