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<!DOCTYPE html><html lang="en"><head><title>index</title></head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0"><meta name="groc-relative-root" content=""><meta name="groc-document-path" content="index"><meta name="groc-project-path" content="supergroup.js"><link rel="stylesheet" type="text/css" media="all" href="assets/style.css"><script type="text/javascript" src="assets/behavior.js"></script><body><div id="meta"><div class="file-path">supergroup.js</div></div><div id="document"><div class="segment"><div class="comments "><div class="wrapper"><h1 id="supergroupjs">supergroup.js</h1>
<p>Author: <a href="http://sigfried.org">Sigfried Gold</a> <br />
License: <a href="http://sigfried.mit-license.org/">MIT</a> <br />
Version: 0.0.2</p>
<p>usage examples at <a href="http://sigfried.github.io/blog/supergroup">http://sigfried.github.io/blog/supergroup</a></p></div></div><div class="code"><div class="wrapper"><span class="p">;</span> <span class="c1">// jshint -W053</span>
<span class="s1">'use strict()'</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">supergroup</span> <span class="o">=</span> <span class="p">(</span><span class="kd">function</span><span class="p">()</span> <span class="p">{</span></div></div></div><div class="segment"><div class="comments doc-section"><div class="wrapper"><p>local reference to supergroup namespace </p></div></div><div class="code"><div class="wrapper"> <span class="kd">var</span> <span class="nx">sg</span> <span class="o">=</span> <span class="p">{};</span></div></div></div><div class="segment"><div class="comments doc-section"><div class="wrapper"><p><span class='doc-section-header'> exported function supergroup.group(recs, dim, opts)</span></p>
<p>Parameters:</p>
<ul>
<li><p><strong>recs must be an Array of Objects.</strong><br/>(list of records to be grouped)</p></li>
<li><p><strong>dim must be a string or Function.</strong><br/>(either the property name to group by or a function returning a group by string or number)</p></li>
<li><p><strong>opts is optional and must be an Object.</strong></p>
<ul><li><p><strong>opts.childProp must be a String and has a default value of 'children'.</strong><br/>(If group ends up being hierarchical, this will be the property name of any children)</p></li>
<li><p><strong>opts.excludeValues is optional and must be an Array of Strings.</strong><br/>(to exlude specific group values)</p></li>
<li><p><strong>opts.preListRecsHook is optional and must be a function.</strong><br/>(run recs through this function before continuing processing)</p></li>
<li><p><strong>opts.dimName is optional and must be a function.</strong><br/>(defaults to the value of <code>dim</code>. If <code>dim</code> is a function, the dimName will be ugly.)</p></li></ul></li>
</ul>
<p><strong>Returns an Array of Values</strong><br/>(enhanced with all the List methods Avaailable as _.supergroup, Underscore mixin)</p></div></div><div class="code"><div class="wrapper"> <span class="nx">sg</span><span class="p">.</span><span class="nx">group</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">recs</span><span class="p">,</span> <span class="nx">dim</span><span class="p">,</span> <span class="nx">opts</span><span class="p">)</span> <span class="p">{</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>if dim is an array, use multiDimList to create hierarchical grouping</p></div></div><div class="code"><div class="wrapper"> <span class="k">if</span> <span class="p">(</span><span class="nx">_</span><span class="p">(</span><span class="nx">dim</span><span class="p">).</span><span class="nx">isArray</span><span class="p">())</span> <span class="k">return</span> <span class="nx">sg</span><span class="p">.</span><span class="nx">multiDimList</span><span class="p">(</span><span class="nx">recs</span><span class="p">,</span> <span class="nx">dim</span><span class="p">,</span> <span class="nx">opts</span><span class="p">);</span>
<span class="nx">opts</span> <span class="o">=</span> <span class="nx">opts</span> <span class="o">||</span> <span class="p">{};</span>
<span class="nx">recs</span> <span class="o">=</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">preListRecsHook</span> <span class="o">?</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">preListRecsHook</span><span class="p">(</span><span class="nx">recs</span><span class="p">)</span> <span class="o">:</span> <span class="nx">recs</span><span class="p">;</span>
<span class="nx">childProp</span> <span class="o">=</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">childProp</span> <span class="o">||</span> <span class="nx">childProp</span><span class="p">;</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>opts.multiValuedGroup is expected to be set automatically</p></div></div><div class="code"><div class="wrapper"> <span class="kd">var</span> <span class="nx">groups</span> <span class="o">=</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">multiValuedGroup</span> <span class="o">?</span>
<span class="nx">multiValuedGroupBy</span><span class="p">(</span><span class="nx">recs</span><span class="p">,</span> <span class="nx">dim</span><span class="p">)</span> <span class="o">:</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">groupBy</span><span class="p">(</span><span class="nx">recs</span><span class="p">,</span> <span class="nx">dim</span><span class="p">);</span> <span class="c1">// use Underscore's groupBy: http://underscorejs.org/#groupBy</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">opts</span><span class="p">.</span><span class="nx">excludeValues</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">_</span><span class="p">(</span><span class="nx">opts</span><span class="p">.</span><span class="nx">excludeValues</span><span class="p">).</span><span class="nx">each</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">d</span><span class="p">)</span> <span class="p">{</span>
<span class="k">delete</span> <span class="nx">groups</span><span class="p">[</span><span class="nx">d</span><span class="p">];</span>
<span class="p">});</span>
<span class="p">}</span>
<span class="kd">var</span> <span class="nx">isNumeric</span> <span class="o">=</span> <span class="nx">_</span><span class="p">(</span><span class="nx">opts</span><span class="p">).</span><span class="nx">has</span><span class="p">(</span><span class="s1">'isNumeric'</span><span class="p">)</span> <span class="o">?</span>
<span class="nx">opts</span><span class="p">.</span><span class="nx">isNumeric</span> <span class="o">:</span>
<span class="nx">wholeListNumeric</span><span class="p">(</span><span class="nx">groups</span><span class="p">);</span> <span class="c1">// does every group Value look like a number or a missing value?</span>
<span class="kd">var</span> <span class="nx">groups</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">map</span><span class="p">(</span><span class="nx">_</span><span class="p">.</span><span class="nx">pairs</span><span class="p">(</span><span class="nx">groups</span><span class="p">),</span> <span class="kd">function</span><span class="p">(</span><span class="nx">pair</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="p">{</span> <span class="c1">// setup Values for each group in List</span>
<span class="kd">var</span> <span class="nx">rawVal</span> <span class="o">=</span> <span class="nx">pair</span><span class="p">[</span><span class="mi">0</span><span class="p">];</span>
<span class="kd">var</span> <span class="nx">val</span><span class="p">;</span>
<span class="k">if</span><span class="p">(</span><span class="nx">isNumeric</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">val</span> <span class="o">=</span> <span class="nx">makeNumberValue</span><span class="p">(</span><span class="nx">rawVal</span><span class="p">);</span> <span class="c1">// either everything's a Number</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">val</span> <span class="o">=</span> <span class="nx">makeStringValue</span><span class="p">(</span><span class="nx">rawVal</span><span class="p">);</span> <span class="c1">// or everything's a String</span>
<span class="p">}</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>The original records in this group are stored as an Array in
the records property (should probably be a getter method).</p></div></div><div class="code"><div class="wrapper"> <span class="nx">val</span><span class="p">.</span><span class="nx">records</span> <span class="o">=</span> <span class="nx">pair</span><span class="p">[</span><span class="mi">1</span><span class="p">];</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>val.records is enhanced with Underscore methods for
convenience, but also with the supergroup method that's
been mixed in to Underscore. So you can group this specific
subset like: val.records.supergroup
on FIX!!!!!!</p></div></div><div class="code"><div class="wrapper"> <span class="nx">sg</span><span class="p">.</span><span class="nx">addSupergroupMethods</span><span class="p">(</span><span class="nx">val</span><span class="p">.</span><span class="nx">records</span><span class="p">);</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">dim</span> <span class="o">=</span> <span class="p">(</span><span class="nx">opts</span><span class="p">.</span><span class="nx">dimName</span><span class="p">)</span> <span class="o">?</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">dimName</span> <span class="o">:</span> <span class="nx">dim</span><span class="p">;</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">records</span><span class="p">.</span><span class="nx">parentVal</span> <span class="o">=</span> <span class="nx">val</span><span class="p">;</span> <span class="c1">// NOT TESTED, NOT USED, PROBABLY WRONG</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">opts</span><span class="p">.</span><span class="nx">parent</span><span class="p">)</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">parent</span> <span class="o">=</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">parent</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">val</span><span class="p">.</span><span class="nx">parent</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="s1">'depth'</span> <span class="k">in</span> <span class="nx">val</span><span class="p">.</span><span class="nx">parent</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">depth</span> <span class="o">=</span> <span class="nx">val</span><span class="p">.</span><span class="nx">parent</span><span class="p">.</span><span class="nx">depth</span> <span class="o">+</span> <span class="mi">1</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">parent</span><span class="p">.</span><span class="nx">depth</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">depth</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">depth</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">val</span><span class="p">;</span>
<span class="p">});</span>
<span class="nx">groups</span> <span class="o">=</span> <span class="nx">makeList</span><span class="p">(</span><span class="nx">groups</span><span class="p">);</span> <span class="c1">// turns groups into a List object</span>
<span class="nx">groups</span><span class="p">.</span><span class="nx">records</span> <span class="o">=</span> <span class="nx">recs</span><span class="p">;</span> <span class="c1">// NOT TESTED, NOT USED, PROBABLY WRONG</span>
<span class="nx">groups</span><span class="p">.</span><span class="nx">dim</span> <span class="o">=</span> <span class="p">(</span><span class="nx">opts</span><span class="p">.</span><span class="nx">dimName</span><span class="p">)</span> <span class="o">?</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">dimName</span> <span class="o">:</span> <span class="nx">dim</span><span class="p">;</span>
<span class="nx">groups</span><span class="p">.</span><span class="nx">isNumeric</span> <span class="o">=</span> <span class="nx">isNumeric</span><span class="p">;</span>
<span class="nx">_</span><span class="p">(</span><span class="nx">groups</span><span class="p">).</span><span class="nx">each</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">group</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">group</span><span class="p">.</span><span class="nx">parentList</span> <span class="o">=</span> <span class="nx">groups</span><span class="p">;</span>
<span class="c1">//group.idxInParentList = i; // maybe a good idea, but don't need it yet</span>
<span class="p">});</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>pointless without recursion</p></div></div><div class="code"><div class="wrapper"> <span class="c1">//if (opts.postListListHook) groups = opts.postListListHook(groups);</span>
<span class="k">return</span> <span class="nx">groups</span><span class="p">;</span>
<span class="p">};</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>nested groups, each dim is a level in hierarchy</p></div></div><div class="code"><div class="wrapper"> <span class="nx">sg</span><span class="p">.</span><span class="nx">multiDimList</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">recs</span><span class="p">,</span> <span class="nx">dims</span><span class="p">,</span> <span class="nx">opts</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">groups</span> <span class="o">=</span> <span class="nx">sg</span><span class="p">.</span><span class="nx">group</span><span class="p">(</span><span class="nx">recs</span><span class="p">,</span> <span class="nx">dims</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="nx">opts</span><span class="p">);</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">chain</span><span class="p">(</span><span class="nx">dims</span><span class="p">).</span><span class="nx">rest</span><span class="p">().</span><span class="nx">each</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">dim</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">groups</span><span class="p">.</span><span class="nx">addLevel</span><span class="p">(</span><span class="nx">dim</span><span class="p">,</span> <span class="nx">opts</span><span class="p">);</span>
<span class="p">});</span>
<span class="k">return</span> <span class="nx">groups</span><span class="p">;</span>
<span class="p">};</span></div></div></div><div class="segment"><div class="comments doc-section"><div class="wrapper"><p><span class='doc-section-header'> class List</span></p>
<p>Native Array of groups with various added methods and properties.
Methods described below.</p></div></div><div class="code"><div class="wrapper"> <span class="kd">function</span> <span class="nx">List</span><span class="p">()</span> <span class="p">{}</span></div></div></div><div class="segment"><div class="comments doc-section"><div class="wrapper"><p><span class='doc-section-header'> class Value</span></p>
<p>Supergroup Lists are composed of Values which are
String or Number objects representing group values.
Methods described below.</p></div></div><div class="code"><div class="wrapper"> <span class="kd">function</span> <span class="nx">Value</span><span class="p">()</span> <span class="p">{}</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>sometimes a root value is needed as the top of a hierarchy</p></div></div><div class="code"><div class="wrapper"> <span class="nx">List</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">asRootVal</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">name</span><span class="p">,</span> <span class="nx">dimName</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">name</span> <span class="o">=</span> <span class="nx">name</span> <span class="o">||</span> <span class="s1">'Root'</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">val</span> <span class="o">=</span> <span class="nx">makeValue</span><span class="p">(</span><span class="nx">name</span><span class="p">);</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">records</span> <span class="o">=</span> <span class="k">this</span><span class="p">;</span> <span class="c1">// is this wrong?</span>
<span class="nx">val</span><span class="p">[</span><span class="nx">childProp</span><span class="p">]</span><span class="o">=</span> <span class="k">this</span><span class="p">;</span>
<span class="nx">_</span><span class="p">(</span><span class="nx">val</span><span class="p">.</span><span class="nx">descendants</span><span class="p">()).</span><span class="nx">each</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">d</span><span class="p">)</span> <span class="p">{</span> <span class="nx">d</span><span class="p">.</span><span class="nx">depth</span> <span class="o">=</span> <span class="nx">d</span><span class="p">.</span><span class="nx">depth</span> <span class="o">+</span> <span class="mi">1</span><span class="p">;</span> <span class="p">});</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">depth</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">dim</span> <span class="o">=</span> <span class="nx">dimName</span> <span class="o">||</span> <span class="s1">'root'</span><span class="p">;</span>
<span class="k">return</span> <span class="nx">val</span><span class="p">;</span>
<span class="p">};</span>
<span class="nx">List</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">leafNodes</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">level</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">_</span><span class="p">.</span><span class="nx">chain</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">invoke</span><span class="p">(</span><span class="s1">'leafNodes'</span><span class="p">).</span><span class="nx">flatten</span><span class="p">()</span>
<span class="p">.</span><span class="nx">addSupergroupMethods</span><span class="p">()</span>
<span class="p">.</span><span class="nx">value</span><span class="p">();</span>
<span class="p">};</span>
<span class="nx">List</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">rawValues</span> <span class="o">=</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">_</span><span class="p">.</span><span class="nx">chain</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">d</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="nx">d</span><span class="p">.</span><span class="nx">valueOf</span><span class="p">();</span> <span class="p">}).</span><span class="nx">value</span><span class="p">();</span>
<span class="p">};</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>lookup a value in a list, or, if query is an array
it is interpreted as a path down the group hierarchy</p></div></div><div class="code"><div class="wrapper"> <span class="nx">List</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">lookup</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">query</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">_</span><span class="p">.</span><span class="nx">isArray</span><span class="p">(</span><span class="nx">query</span><span class="p">))</span> <span class="p">{</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>if group has children, can search down the tree</p></div></div><div class="code"><div class="wrapper"> <span class="kd">var</span> <span class="nx">values</span> <span class="o">=</span> <span class="nx">query</span><span class="p">.</span><span class="nx">slice</span><span class="p">(</span><span class="mi">0</span><span class="p">);</span>
<span class="kd">var</span> <span class="nx">list</span> <span class="o">=</span> <span class="k">this</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">ret</span><span class="p">;</span>
<span class="k">while</span><span class="p">(</span><span class="nx">values</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">ret</span> <span class="o">=</span> <span class="nx">list</span><span class="p">.</span><span class="nx">singleLookup</span><span class="p">(</span><span class="nx">values</span><span class="p">.</span><span class="nx">shift</span><span class="p">());</span>
<span class="nx">list</span> <span class="o">=</span> <span class="nx">ret</span><span class="p">[</span><span class="nx">childProp</span><span class="p">];</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">ret</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">singleLookup</span><span class="p">(</span><span class="nx">query</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">};</span>
<span class="nx">List</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">singleLookup</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">query</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">that</span> <span class="o">=</span> <span class="k">this</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span> <span class="p">(</span><span class="s1">'lookupMap'</span> <span class="k">in</span> <span class="k">this</span><span class="p">))</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">lookupMap</span> <span class="o">=</span> <span class="p">{};</span>
<span class="k">this</span><span class="p">.</span><span class="nx">forEach</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">d</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">that</span><span class="p">.</span><span class="nx">lookupMap</span><span class="p">[</span><span class="nx">d</span><span class="p">]</span> <span class="o">=</span> <span class="nx">d</span><span class="p">;</span>
<span class="p">});</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">query</span> <span class="k">in</span> <span class="k">this</span><span class="p">.</span><span class="nx">lookupMap</span><span class="p">)</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">lookupMap</span><span class="p">[</span><span class="nx">query</span><span class="p">];</span>
<span class="p">};</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>lookup more than one thing at a time</p></div></div><div class="code"><div class="wrapper"> <span class="nx">List</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">lookupMany</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">query</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">list</span> <span class="o">=</span> <span class="k">this</span><span class="p">;</span>
<span class="k">return</span> <span class="nx">sg</span><span class="p">.</span><span class="nx">addSupergroupMethods</span><span class="p">(</span><span class="nx">_</span><span class="p">.</span><span class="nx">chain</span><span class="p">(</span><span class="nx">query</span><span class="p">).</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">d</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">list</span><span class="p">.</span><span class="nx">singleLookup</span><span class="p">(</span><span class="nx">d</span><span class="p">)</span>
<span class="p">}).</span><span class="nx">compact</span><span class="p">().</span><span class="nx">value</span><span class="p">());</span>
<span class="p">};</span>
<span class="nx">List</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">flattenTree</span> <span class="o">=</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">_</span><span class="p">.</span><span class="nx">chain</span><span class="p">(</span><span class="k">this</span><span class="p">)</span>
<span class="p">.</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">d</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">desc</span> <span class="o">=</span> <span class="nx">d</span><span class="p">.</span><span class="nx">descendants</span><span class="p">();</span>
<span class="k">return</span> <span class="p">[</span><span class="nx">d</span><span class="p">].</span><span class="nx">concat</span><span class="p">(</span><span class="nx">desc</span><span class="p">);</span>
<span class="p">})</span>
<span class="p">.</span><span class="nx">flatten</span><span class="p">()</span>
<span class="p">.</span><span class="nx">filter</span><span class="p">(</span><span class="nx">_</span><span class="p">.</span><span class="nx">identity</span><span class="p">)</span> <span class="c1">// expunge nulls</span>
<span class="p">.</span><span class="nx">tap</span><span class="p">(</span><span class="nx">sg</span><span class="p">.</span><span class="nx">addListMethods</span><span class="p">)</span>
<span class="p">.</span><span class="nx">value</span><span class="p">();</span>
<span class="p">};</span>
<span class="nx">List</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">addLevel</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">dim</span><span class="p">,</span> <span class="nx">opts</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">_</span><span class="p">(</span><span class="k">this</span><span class="p">).</span><span class="nx">each</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">val</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">addLevel</span><span class="p">(</span><span class="nx">dim</span><span class="p">,</span> <span class="nx">opts</span><span class="p">);</span>
<span class="p">});</span>
<span class="p">};</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>apply a function to the records of each group</p></div></div><div class="code"><div class="wrapper"> <span class="nx">List</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">groupRecordsApply</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">func</span><span class="p">,</span> <span class="nx">field</span><span class="p">,</span> <span class="nx">ret</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">field</span><span class="p">)</span>
<span class="kd">var</span> <span class="nx">results</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">chain</span><span class="p">(</span><span class="k">this</span><span class="p">)</span>
<span class="p">.</span><span class="nx">pluck</span><span class="p">(</span><span class="s1">'records'</span><span class="p">)</span>
<span class="p">.</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">recs</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">func</span><span class="p">(</span><span class="nx">_</span><span class="p">.</span><span class="nx">pluck</span><span class="p">(</span><span class="nx">recs</span><span class="p">,</span><span class="nx">field</span><span class="p">))</span>
<span class="p">}).</span><span class="nx">value</span><span class="p">();</span>
<span class="k">else</span>
<span class="kd">var</span> <span class="nx">results</span> <span class="o">=</span> <span class="nx">func</span><span class="p">(</span><span class="nx">_</span><span class="p">.</span><span class="nx">pluck</span><span class="p">(</span><span class="k">this</span><span class="p">,</span><span class="s1">'records'</span><span class="p">));</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">ret</span> <span class="o">===</span> <span class="s1">'dict'</span><span class="p">)</span>
<span class="k">return</span> <span class="nx">_</span><span class="p">.</span><span class="nx">object</span><span class="p">(</span><span class="k">this</span><span class="p">,</span> <span class="nx">results</span><span class="p">);</span>
<span class="k">return</span> <span class="nx">results</span><span class="p">;</span>
<span class="p">};</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>returns an identical list with different group names </p></div></div><div class="code"><div class="wrapper"> <span class="nx">List</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">useSynonym</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">altDimName</span><span class="p">,</span> <span class="nx">func</span><span class="p">)</span> <span class="p">{</span>
<span class="p">};</span></div></div></div><div class="segment"><div class="comments doc-section"><div class="wrapper"><p><span class='doc-section-header'> memberof enlightenedData
sg.addUnderscoreMethods = function(arr) {
<em>(sg.underscoreMethodsToAddToArrays).each(function(methodName) {
if (</em>(arr).has(methodName)) return;
Object.defineProperty(arr, methodName, {
value: function() {
var part = <em>.partial(</em>[methodName], arr);
var result = part.apply(null, <em>.toArray(arguments));
if (</em>.isArray(result)) sg.addListMethods(result);
return result;
}});
});
return arr;
};
sg.underscoreMethodsToAddToArrays = [
"each",
"map",
"reduce",
"find",
"filter",
"reject",
"all",
"every",
"any",
"some",
"contains",
"invoke",
"pluck",
"where",
"findWhere",
"max",
"min",
"shuffle",
"sortBy",
"groupBy",
"countBy",
"sortedIndex",
"size",
"first",
"initial",
"last",
"rest",
"compact",
"flatten",
"without",
"uniq",
"union",
"intersection",
"difference",
"zip",
"unzip",
//"object",
"indexOf",
"lastIndexOf",
"chain",
"result"
];</span></p>
<p>Enhance arrays with {@link http://underscorejs.org/ Underscore} functions
that work on arrays. </p>
<p>Parameters:</p>
<ul>
<li><strong>arr must be an Array.</strong></li>
</ul>
<p><strong>Returns an Array</strong><br/>(now enhanced Now can call Underscore functions as methods on the array, and if the return value is an array, it will also be enhanced.)<br/><strong>and</strong> <strong>Returns a whatever the underscore function would return</strong></p>
<p>Example:</p>
<p>`enlightenedData.addUnderscoreMethods(['a','bb','ccc'])
.pluck('length')
.
group.where({foo:bar}).invoke('baz')</p></div></div><div class="code"><div class="wrapper"> <span class="kd">function</span> <span class="nx">makeValue</span><span class="p">(</span><span class="nx">v_arg</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nb">isNaN</span><span class="p">(</span><span class="nx">v_arg</span><span class="p">))</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">makeStringValue</span><span class="p">(</span><span class="nx">v_arg</span><span class="p">);</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">makeNumberValue</span><span class="p">(</span><span class="nx">v_arg</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="kd">function</span> <span class="nx">StringValue</span><span class="p">()</span> <span class="p">{}</span>
<span class="c1">//StringValue.prototype = new String;</span>
<span class="kd">function</span> <span class="nx">makeStringValue</span><span class="p">(</span><span class="nx">s_arg</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">S</span> <span class="o">=</span> <span class="k">new</span> <span class="nb">String</span><span class="p">(</span><span class="nx">s_arg</span><span class="p">);</span>
<span class="c1">//S.__proto__ = StringValue.prototype; // won't work in IE10</span>
<span class="k">for</span><span class="p">(</span><span class="kd">var</span> <span class="nx">method</span> <span class="k">in</span> <span class="nx">StringValue</span><span class="p">.</span><span class="nx">prototype</span><span class="p">)</span> <span class="p">{</span>
<span class="nb">Object</span><span class="p">.</span><span class="nx">defineProperty</span><span class="p">(</span><span class="nx">S</span><span class="p">,</span> <span class="nx">method</span><span class="p">,</span> <span class="p">{</span>
<span class="nx">value</span><span class="o">:</span> <span class="nx">StringValue</span><span class="p">.</span><span class="nx">prototype</span><span class="p">[</span><span class="nx">method</span><span class="p">]</span>
<span class="p">});</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">S</span><span class="p">;</span>
<span class="p">}</span>
<span class="kd">function</span> <span class="nx">NumberValue</span><span class="p">()</span> <span class="p">{}</span>
<span class="c1">//NumberValue.prototype = new Number;</span>
<span class="kd">function</span> <span class="nx">makeNumberValue</span><span class="p">(</span><span class="nx">n_arg</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">N</span> <span class="o">=</span> <span class="k">new</span> <span class="nb">Number</span><span class="p">(</span><span class="nx">n_arg</span><span class="p">);</span>
<span class="c1">//N.__proto__ = NumberValue.prototype;</span>
<span class="k">for</span><span class="p">(</span><span class="kd">var</span> <span class="nx">method</span> <span class="k">in</span> <span class="nx">NumberValue</span><span class="p">.</span><span class="nx">prototype</span><span class="p">)</span> <span class="p">{</span>
<span class="nb">Object</span><span class="p">.</span><span class="nx">defineProperty</span><span class="p">(</span><span class="nx">N</span><span class="p">,</span> <span class="nx">method</span><span class="p">,</span> <span class="p">{</span>
<span class="nx">value</span><span class="o">:</span> <span class="nx">NumberValue</span><span class="p">.</span><span class="nx">prototype</span><span class="p">[</span><span class="nx">method</span><span class="p">]</span>
<span class="p">});</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">N</span><span class="p">;</span>
<span class="p">}</span>
<span class="kd">function</span> <span class="nx">wholeListNumeric</span><span class="p">(</span><span class="nx">groups</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">isNumeric</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">every</span><span class="p">(</span><span class="nx">_</span><span class="p">.</span><span class="nx">keys</span><span class="p">(</span><span class="nx">groups</span><span class="p">),</span> <span class="kd">function</span><span class="p">(</span><span class="nx">k</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">k</span> <span class="o">===</span> <span class="kc">null</span> <span class="o">||</span>
<span class="nx">k</span> <span class="o">===</span> <span class="kc">undefined</span> <span class="o">||</span>
<span class="p">(</span><span class="o">!</span><span class="nb">isNaN</span><span class="p">(</span><span class="nb">Number</span><span class="p">(</span><span class="nx">k</span><span class="p">)))</span> <span class="o">||</span>
<span class="p">[</span><span class="s2">"null"</span><span class="p">,</span> <span class="s2">"."</span><span class="p">,</span> <span class="s2">"undefined"</span><span class="p">].</span><span class="nx">indexOf</span><span class="p">(</span><span class="nx">k</span><span class="p">.</span><span class="nx">toLowerCase</span><span class="p">())</span> <span class="o">></span> <span class="o">-</span><span class="mi">1</span><span class="p">;</span>
<span class="p">});</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">isNumeric</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">_</span><span class="p">.</span><span class="nx">keys</span><span class="p">(</span><span class="nx">groups</span><span class="p">),</span> <span class="kd">function</span><span class="p">(</span><span class="nx">k</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nb">isNaN</span><span class="p">(</span><span class="nx">k</span><span class="p">))</span> <span class="p">{</span>
<span class="k">delete</span> <span class="nx">groups</span><span class="p">[</span><span class="nx">k</span><span class="p">];</span> <span class="c1">// getting rid of NULL values in dim list!!</span>
<span class="p">}</span>
<span class="p">});</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">isNumeric</span><span class="p">;</span>
<span class="p">}</span>
<span class="kd">var</span> <span class="nx">childProp</span> <span class="o">=</span> <span class="s1">'children'</span><span class="p">;</span>
<span class="nx">Value</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">extendGroupBy</span> <span class="o">=</span> <span class="c1">// backward compatibility</span>
<span class="nx">Value</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">addLevel</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">dim</span><span class="p">,</span> <span class="nx">opts</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">opts</span> <span class="o">=</span> <span class="nx">opts</span> <span class="o">||</span> <span class="p">{};</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">leafNodes</span><span class="p">(),</span> <span class="kd">function</span><span class="p">(</span><span class="nx">d</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">opts</span><span class="p">.</span><span class="nx">parent</span> <span class="o">=</span> <span class="nx">d</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">d</span><span class="p">.</span><span class="k">in</span> <span class="o">&&</span> <span class="nx">d</span><span class="p">.</span><span class="k">in</span> <span class="o">===</span> <span class="s2">"both"</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">d</span><span class="p">[</span><span class="nx">childProp</span><span class="p">]</span> <span class="o">=</span> <span class="nx">sg</span><span class="p">.</span><span class="nx">diffList</span><span class="p">(</span><span class="nx">d</span><span class="p">.</span><span class="nx">from</span><span class="p">,</span> <span class="nx">d</span><span class="p">.</span><span class="nx">to</span><span class="p">,</span> <span class="nx">dim</span><span class="p">,</span> <span class="nx">opts</span><span class="p">);</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">d</span><span class="p">[</span><span class="nx">childProp</span><span class="p">]</span> <span class="o">=</span> <span class="nx">sg</span><span class="p">.</span><span class="nx">group</span><span class="p">(</span><span class="nx">d</span><span class="p">.</span><span class="nx">records</span><span class="p">,</span> <span class="nx">dim</span><span class="p">,</span> <span class="nx">opts</span><span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">d</span><span class="p">.</span><span class="k">in</span> <span class="p">)</span> <span class="p">{</span>
<span class="nx">_</span><span class="p">(</span><span class="nx">d</span><span class="p">[</span><span class="nx">childProp</span><span class="p">]).</span><span class="nx">each</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">c</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">c</span><span class="p">.</span><span class="k">in</span> <span class="o">=</span> <span class="nx">d</span><span class="p">.</span><span class="k">in</span><span class="p">;</span>
<span class="nx">c</span><span class="p">[</span><span class="nx">d</span><span class="p">.</span><span class="k">in</span><span class="p">]</span> <span class="o">=</span> <span class="nx">d</span><span class="p">[</span><span class="nx">d</span><span class="p">.</span><span class="k">in</span><span class="p">];</span>
<span class="p">});</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="nx">d</span><span class="p">[</span><span class="nx">childProp</span><span class="p">].</span><span class="nx">parentVal</span> <span class="o">=</span> <span class="nx">d</span><span class="p">;</span> <span class="c1">// NOT TESTED, NOT USED, PROBABLY WRONG!!!</span>
<span class="p">});</span>
<span class="p">};</span>
<span class="nx">Value</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">leafNodes</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">level</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">ret</span> <span class="o">=</span> <span class="p">[</span><span class="k">this</span><span class="p">];</span>
<span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">level</span> <span class="o">===</span> <span class="s2">"undefined"</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">level</span> <span class="o">=</span> <span class="kc">Infinity</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">level</span> <span class="o">!==</span> <span class="mi">0</span> <span class="o">&&</span> <span class="k">this</span><span class="p">[</span><span class="nx">childProp</span><span class="p">]</span> <span class="o">&&</span> <span class="k">this</span><span class="p">[</span><span class="nx">childProp</span><span class="p">].</span><span class="nx">length</span> <span class="o">&&</span> <span class="p">(</span><span class="o">!</span><span class="nx">level</span> <span class="o">||</span> <span class="k">this</span><span class="p">.</span><span class="nx">depth</span> <span class="o"><</span> <span class="nx">level</span><span class="p">))</span> <span class="p">{</span>
<span class="nx">ret</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">flatten</span><span class="p">(</span><span class="nx">_</span><span class="p">.</span><span class="nx">map</span><span class="p">(</span><span class="k">this</span><span class="p">[</span><span class="nx">childProp</span><span class="p">],</span> <span class="kd">function</span><span class="p">(</span><span class="nx">c</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">c</span><span class="p">.</span><span class="nx">leafNodes</span><span class="p">(</span><span class="nx">level</span><span class="p">);</span>
<span class="p">}),</span> <span class="kc">true</span><span class="p">);</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">makeList</span><span class="p">(</span><span class="nx">ret</span><span class="p">);</span>
<span class="p">};</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>didn't make this yet, just copied from above
Value.prototype.descendants = function(level) {
var ret = [this];
if (level !== 0 && this[childProp] && (!level || this.depth < level))
ret = <em>.flatten(</em>.map(this[childProp], function(c) {
return c.leafNodes(level);
}), true);
return makeList(ret);
};</p></div></div><div class="code"><div class="wrapper"> <span class="kd">function</span> <span class="nx">delimOpts</span><span class="p">(</span><span class="nx">opts</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">opts</span> <span class="o">===</span> <span class="s2">"string"</span><span class="p">)</span> <span class="nx">opts</span> <span class="o">=</span> <span class="p">{</span><span class="nx">delim</span><span class="o">:</span> <span class="nx">opts</span><span class="p">};</span>
<span class="nx">opts</span> <span class="o">=</span> <span class="nx">opts</span> <span class="o">||</span> <span class="p">{};</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">_</span><span class="p">(</span><span class="nx">opts</span><span class="p">).</span><span class="nx">has</span><span class="p">(</span><span class="s1">'delim'</span><span class="p">))</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">delim</span> <span class="o">=</span> <span class="s1">'/'</span><span class="p">;</span>
<span class="k">return</span> <span class="nx">opts</span><span class="p">;</span>
<span class="p">}</span>
<span class="nx">Value</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">dimPath</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">opts</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">opts</span> <span class="o">=</span> <span class="nx">delimOpts</span><span class="p">(</span><span class="nx">opts</span><span class="p">);</span>
<span class="nx">opts</span><span class="p">.</span><span class="nx">dimName</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">namePath</span><span class="p">(</span><span class="nx">opts</span><span class="p">);</span>
<span class="p">};</span>
<span class="nx">Value</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">namePath</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">opts</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">opts</span> <span class="o">=</span> <span class="nx">delimOpts</span><span class="p">(</span><span class="nx">opts</span><span class="p">);</span>
<span class="kd">var</span> <span class="nx">path</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">pedigree</span><span class="p">(</span><span class="nx">opts</span><span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">opts</span><span class="p">.</span><span class="nx">noRoot</span><span class="p">)</span> <span class="nx">path</span><span class="p">.</span><span class="nx">shift</span><span class="p">();</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">opts</span><span class="p">.</span><span class="nx">backwards</span> <span class="o">||</span> <span class="k">this</span><span class="p">.</span><span class="nx">backwards</span><span class="p">)</span> <span class="nx">path</span><span class="p">.</span><span class="nx">reverse</span><span class="p">();</span> <span class="c1">//kludgy?</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">opts</span><span class="p">.</span><span class="nx">dimName</span><span class="p">)</span> <span class="nx">path</span> <span class="o">=</span> <span class="nx">_</span><span class="p">(</span><span class="nx">path</span><span class="p">).</span><span class="nx">pluck</span><span class="p">(</span><span class="s1">'dim'</span><span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">opts</span><span class="p">.</span><span class="nx">asArray</span><span class="p">)</span> <span class="k">return</span> <span class="nx">path</span><span class="p">;</span>
<span class="k">return</span> <span class="nx">path</span><span class="p">.</span><span class="nx">join</span><span class="p">(</span><span class="nx">opts</span><span class="p">.</span><span class="nx">delim</span><span class="p">);</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>var delim = opts.delim || '/';
return (this.parent ?
this.parent.namePath(_.extend({},opts,{notLeaf:true})) : '') +
((opts.noRoot && this.depth===0) ? '' :
(this + (opts.notLeaf ? delim : ''))
)</p></div></div><div class="code"><div class="wrapper"> <span class="p">};</span>
<span class="nx">Value</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">pedigree</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">opts</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">path</span> <span class="o">=</span> <span class="p">[];</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="nx">opts</span> <span class="o">&&</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">notThis</span><span class="p">))</span> <span class="nx">path</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="k">this</span><span class="p">);</span>
<span class="kd">var</span> <span class="nx">ptr</span> <span class="o">=</span> <span class="k">this</span><span class="p">;</span>
<span class="k">while</span> <span class="p">((</span><span class="nx">ptr</span> <span class="o">=</span> <span class="nx">ptr</span><span class="p">.</span><span class="nx">parent</span><span class="p">))</span> <span class="p">{</span>
<span class="nx">path</span><span class="p">.</span><span class="nx">unshift</span><span class="p">(</span><span class="nx">ptr</span><span class="p">);</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">path</span><span class="p">;</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>CHANGING -- HOPE THIS DOESN'T BREAK STUFF (pedigree isn't
documented yet)</p></div></div><div class="code"><div class="wrapper"> <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="p">(</span><span class="nx">opts</span> <span class="o">&&</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">asValues</span><span class="p">))</span> <span class="k">return</span> <span class="nx">_</span><span class="p">.</span><span class="nx">chain</span><span class="p">(</span><span class="nx">path</span><span class="p">).</span><span class="nx">invoke</span><span class="p">(</span><span class="s1">'valueOf'</span><span class="p">).</span><span class="nx">value</span><span class="p">();</span>
<span class="k">return</span> <span class="nx">path</span><span class="p">;</span>
<span class="p">};</span>
<span class="nx">Value</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">descendants</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">opts</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">[</span><span class="nx">childProp</span><span class="p">]</span> <span class="o">?</span> <span class="k">this</span><span class="p">[</span><span class="nx">childProp</span><span class="p">].</span><span class="nx">flattenTree</span><span class="p">()</span> <span class="o">:</span> <span class="kc">undefined</span><span class="p">;</span>
<span class="p">};</span>
<span class="nx">Value</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">lookup</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">query</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">_</span><span class="p">.</span><span class="nx">isArray</span><span class="p">(</span><span class="nx">query</span><span class="p">))</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">valueOf</span><span class="p">()</span> <span class="o">==</span> <span class="nx">query</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span> <span class="p">{</span> <span class="c1">// allow string/num comparison to succeed?</span>
<span class="nx">query</span> <span class="o">=</span> <span class="nx">query</span><span class="p">.</span><span class="nx">slice</span><span class="p">(</span><span class="mi">1</span><span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">query</span><span class="p">.</span><span class="nx">length</span> <span class="o">===</span> <span class="mi">0</span><span class="p">)</span>
<span class="k">return</span> <span class="k">this</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">_</span><span class="p">.</span><span class="nx">isString</span><span class="p">(</span><span class="nx">query</span><span class="p">))</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">valueOf</span><span class="p">()</span> <span class="o">==</span> <span class="nx">query</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span><span class="p">(</span><span class="s2">"invalid param: "</span> <span class="o">+</span> <span class="nx">query</span><span class="p">);</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="k">this</span><span class="p">[</span><span class="nx">childProp</span><span class="p">])</span>
<span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span><span class="p">(</span><span class="s2">"can only call lookup on Values with kids"</span><span class="p">);</span>
<span class="k">return</span> <span class="k">this</span><span class="p">[</span><span class="nx">childProp</span><span class="p">].</span><span class="nx">lookup</span><span class="p">(</span><span class="nx">query</span><span class="p">);</span>
<span class="p">};</span>
<span class="nx">Value</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">pct</span> <span class="o">=</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">records</span><span class="p">.</span><span class="nx">length</span> <span class="o">/</span> <span class="k">this</span><span class="p">.</span><span class="nx">parentList</span><span class="p">.</span><span class="nx">records</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span>
<span class="p">};</span></div></div></div><div class="segment"><div class="comments doc-section"><div class="wrapper"><p><span class='doc-section-header'> memberof supergroup</span></p>
<p>Summarize records by a dimension</p>
<p>Parameters:</p>
<ul>
<li><p><strong>Records must be a list.</strong><br/>(to be summarized)</p></li>
<li><p><strong>Dimension must be a numericDim.</strong><br/>(to summarize by)</p></li>
</ul></div></div><div class="code"><div class="wrapper"> <span class="nx">sg</span><span class="p">.</span><span class="nx">aggregate</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">list</span><span class="p">,</span> <span class="nx">numericDim</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">numericDim</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">list</span> <span class="o">=</span> <span class="nx">_</span><span class="p">(</span><span class="nx">list</span><span class="p">).</span><span class="nx">pluck</span><span class="p">(</span><span class="nx">numericDim</span><span class="p">);</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">_</span><span class="p">(</span><span class="nx">list</span><span class="p">).</span><span class="nx">reduce</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">memo</span><span class="p">,</span><span class="nx">num</span><span class="p">){</span>
<span class="nx">memo</span><span class="p">.</span><span class="nx">sum</span><span class="o">+=</span><span class="nx">num</span><span class="p">;</span>
<span class="nx">memo</span><span class="p">.</span><span class="nx">cnt</span><span class="o">++</span><span class="p">;</span>
<span class="nx">memo</span><span class="p">.</span><span class="nx">avg</span><span class="o">=</span><span class="nx">memo</span><span class="p">.</span><span class="nx">sum</span><span class="o">/</span><span class="nx">memo</span><span class="p">.</span><span class="nx">cnt</span><span class="p">;</span>
<span class="nx">memo</span><span class="p">.</span><span class="nx">max</span> <span class="o">=</span> <span class="nb">Math</span><span class="p">.</span><span class="nx">max</span><span class="p">(</span><span class="nx">memo</span><span class="p">.</span><span class="nx">max</span><span class="p">,</span> <span class="nx">num</span><span class="p">);</span>
<span class="k">return</span> <span class="nx">memo</span><span class="p">;</span>
<span class="p">},{</span><span class="nx">sum</span><span class="o">:</span><span class="mi">0</span><span class="p">,</span><span class="nx">cnt</span><span class="o">:</span><span class="mi">0</span><span class="p">,</span><span class="nx">max</span><span class="o">:-</span><span class="kc">Infinity</span><span class="p">});</span>
<span class="p">};</span> </div></div></div><div class="segment"><div class="comments doc-section"><div class="wrapper"><p><span class='doc-section-header'> memberof supergroup</span></p>
<p>Compare groups across two similar root notes</p>
<p>Parameters:</p>
<pre><code>* **... must be a from.**
* **... must be a to.**
* **... must be a dim.**
* **... must be an opts.**<br/>(used by treelike and some earlier code)
</code></pre></div></div><div class="code"><div class="wrapper"> <span class="nx">sg</span><span class="p">.</span><span class="nx">diffList</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">from</span><span class="p">,</span> <span class="nx">to</span><span class="p">,</span> <span class="nx">dim</span><span class="p">,</span> <span class="nx">opts</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">fromList</span> <span class="o">=</span> <span class="nx">sg</span><span class="p">.</span><span class="nx">group</span><span class="p">(</span><span class="nx">from</span><span class="p">.</span><span class="nx">records</span><span class="p">,</span> <span class="nx">dim</span><span class="p">,</span> <span class="nx">opts</span><span class="p">);</span>
<span class="kd">var</span> <span class="nx">toList</span> <span class="o">=</span> <span class="nx">sg</span><span class="p">.</span><span class="nx">group</span><span class="p">(</span><span class="nx">to</span><span class="p">.</span><span class="nx">records</span><span class="p">,</span> <span class="nx">dim</span><span class="p">,</span> <span class="nx">opts</span><span class="p">);</span>
<span class="kd">var</span> <span class="nx">list</span> <span class="o">=</span> <span class="nx">makeList</span><span class="p">(</span><span class="nx">sg</span><span class="p">.</span><span class="nx">compare</span><span class="p">(</span><span class="nx">fromList</span><span class="p">,</span> <span class="nx">toList</span><span class="p">,</span> <span class="nx">dim</span><span class="p">));</span>
<span class="nx">list</span><span class="p">.</span><span class="nx">dim</span> <span class="o">=</span> <span class="p">(</span><span class="nx">opts</span> <span class="o">&&</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">dimName</span><span class="p">)</span> <span class="o">?</span> <span class="nx">opts</span><span class="p">.</span><span class="nx">dimName</span> <span class="o">:</span> <span class="nx">dim</span><span class="p">;</span>
<span class="k">return</span> <span class="nx">list</span><span class="p">;</span>
<span class="p">};</span></div></div></div><div class="segment"><div class="comments doc-section"><div class="wrapper"><p><span class='doc-section-header'> memberof supergroup</span></p>
<p>Compare two groups by a dimension</p>
<p>Parameters:</p>
<pre><code>* **... must be an A.**
* **... must be a B.**
* **... must be a dim.**
</code></pre></div></div><div class="code"><div class="wrapper"> <span class="nx">sg</span><span class="p">.</span><span class="nx">compare</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">A</span><span class="p">,</span> <span class="nx">B</span><span class="p">,</span> <span class="nx">dim</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">a</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">chain</span><span class="p">(</span><span class="nx">A</span><span class="p">).</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">d</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="nx">d</span><span class="o">+</span><span class="s1">''</span><span class="p">;</span> <span class="p">}).</span><span class="nx">value</span><span class="p">();</span>
<span class="kd">var</span> <span class="nx">b</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">chain</span><span class="p">(</span><span class="nx">B</span><span class="p">).</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">d</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="nx">d</span><span class="o">+</span><span class="s1">''</span><span class="p">;</span> <span class="p">}).</span><span class="nx">value</span><span class="p">();</span>
<span class="kd">var</span> <span class="nx">comp</span> <span class="o">=</span> <span class="p">{};</span>
<span class="nx">_</span><span class="p">(</span><span class="nx">A</span><span class="p">).</span><span class="nx">each</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">d</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">comp</span><span class="p">[</span><span class="nx">d</span><span class="o">+</span><span class="s1">''</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span>
<span class="nx">name</span><span class="o">:</span> <span class="nx">d</span><span class="o">+</span><span class="s1">''</span><span class="p">,</span>
<span class="k">in</span><span class="o">:</span> <span class="s1">'from'</span><span class="p">,</span>
<span class="nx">from</span><span class="o">:</span> <span class="nx">d</span><span class="p">,</span>
<span class="nx">fromIdx</span><span class="o">:</span> <span class="nx">i</span><span class="p">,</span>
<span class="nx">dim</span><span class="o">:</span> <span class="nx">dim</span>
<span class="p">};</span>
<span class="p">});</span>
<span class="nx">_</span><span class="p">(</span><span class="nx">B</span><span class="p">).</span><span class="nx">each</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">d</span><span class="p">,</span> <span class="nx">i</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">((</span><span class="nx">d</span><span class="o">+</span><span class="s1">''</span><span class="p">)</span> <span class="k">in</span> <span class="nx">comp</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">c</span> <span class="o">=</span> <span class="nx">comp</span><span class="p">[</span><span class="nx">d</span><span class="o">+</span><span class="s1">''</span><span class="p">];</span>
<span class="nx">c</span><span class="p">.</span><span class="k">in</span> <span class="o">=</span> <span class="s2">"both"</span><span class="p">;</span>
<span class="nx">c</span><span class="p">.</span><span class="nx">to</span> <span class="o">=</span> <span class="nx">d</span><span class="p">;</span>
<span class="nx">c</span><span class="p">.</span><span class="nx">toIdx</span> <span class="o">=</span> <span class="nx">i</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">comp</span><span class="p">[</span><span class="nx">d</span><span class="o">+</span><span class="s1">''</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span>
<span class="nx">name</span><span class="o">:</span> <span class="nx">d</span><span class="o">+</span><span class="s1">''</span><span class="p">,</span>
<span class="k">in</span><span class="o">:</span> <span class="s1">'to'</span><span class="p">,</span>
<span class="nx">to</span><span class="o">:</span> <span class="nx">d</span><span class="p">,</span>
<span class="nx">toIdx</span><span class="o">:</span> <span class="nx">i</span><span class="p">,</span>
<span class="nx">dim</span><span class="o">:</span> <span class="nx">dim</span>
<span class="p">};</span>
<span class="p">}</span>
<span class="p">});</span>
<span class="kd">var</span> <span class="nx">list</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">chain</span><span class="p">(</span><span class="nx">comp</span><span class="p">).</span><span class="nx">values</span><span class="p">().</span><span class="nx">sort</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">a</span><span class="p">,</span><span class="nx">b</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">(</span><span class="nx">a</span><span class="p">.</span><span class="nx">fromIdx</span> <span class="o">-</span> <span class="nx">b</span><span class="p">.</span><span class="nx">fromIdx</span><span class="p">)</span> <span class="o">||</span> <span class="p">(</span><span class="nx">a</span><span class="p">.</span><span class="nx">toIdx</span> <span class="o">-</span> <span class="nx">b</span><span class="p">.</span><span class="nx">toIdx</span><span class="p">);</span>
<span class="p">}).</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">d</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">val</span> <span class="o">=</span> <span class="nx">makeValue</span><span class="p">(</span><span class="nx">d</span><span class="p">.</span><span class="nx">name</span><span class="p">);</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">extend</span><span class="p">(</span><span class="nx">val</span><span class="p">,</span> <span class="nx">d</span><span class="p">);</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">records</span> <span class="o">=</span> <span class="p">[];</span>
<span class="k">if</span> <span class="p">(</span><span class="s1">'from'</span> <span class="k">in</span> <span class="nx">d</span><span class="p">)</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">records</span> <span class="o">=</span> <span class="nx">val</span><span class="p">.</span><span class="nx">records</span><span class="p">.</span><span class="nx">concat</span><span class="p">(</span><span class="nx">d</span><span class="p">.</span><span class="nx">from</span><span class="p">.</span><span class="nx">records</span><span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="s1">'to'</span> <span class="k">in</span> <span class="nx">d</span><span class="p">)</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">records</span> <span class="o">=</span> <span class="nx">val</span><span class="p">.</span><span class="nx">records</span><span class="p">.</span><span class="nx">concat</span><span class="p">(</span><span class="nx">d</span><span class="p">.</span><span class="nx">to</span><span class="p">.</span><span class="nx">records</span><span class="p">);</span>
<span class="k">return</span> <span class="nx">val</span><span class="p">;</span>
<span class="p">}).</span><span class="nx">value</span><span class="p">();</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">chain</span><span class="p">(</span><span class="nx">list</span><span class="p">).</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">d</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">d</span><span class="p">.</span><span class="nx">parentList</span> <span class="o">=</span> <span class="nx">list</span><span class="p">;</span> <span class="c1">// NOT TESTED, NOT USED, PROBABLY WRONG</span>
<span class="nx">d</span><span class="p">.</span><span class="nx">records</span><span class="p">.</span><span class="nx">parentVal</span> <span class="o">=</span> <span class="nx">d</span><span class="p">;</span> <span class="c1">// NOT TESTED, NOT USED, PROBABLY WRONG</span>
<span class="p">}).</span><span class="nx">value</span><span class="p">();</span>
<span class="k">return</span> <span class="nx">list</span><span class="p">;</span>
<span class="p">};</span></div></div></div><div class="segment"><div class="comments doc-section"><div class="wrapper"><p><span class='doc-section-header'> memberof supergroup</span></p>
<p>Concatenate two Values into a new one (??)</p>
<p>Parameters:</p>
<pre><code>* **... must be a from.**
* **... must be a to.**
</code></pre></div></div><div class="code"><div class="wrapper"> <span class="nx">sg</span><span class="p">.</span><span class="nx">compareValue</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">from</span><span class="p">,</span> <span class="nx">to</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">from</span><span class="p">.</span><span class="nx">dim</span> <span class="o">!==</span> <span class="nx">to</span><span class="p">.</span><span class="nx">dim</span><span class="p">)</span> <span class="p">{</span>
<span class="k">throw</span> <span class="k">new</span> <span class="nb">Error</span><span class="p">(</span><span class="s2">"not sure what you're trying to do"</span><span class="p">);</span>
<span class="p">}</span>
<span class="kd">var</span> <span class="nx">name</span> <span class="o">=</span> <span class="nx">from</span> <span class="o">+</span> <span class="s1">' to '</span> <span class="o">+</span> <span class="nx">to</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">val</span> <span class="o">=</span> <span class="nx">makeValue</span><span class="p">(</span><span class="nx">name</span><span class="p">);</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">from</span> <span class="o">=</span> <span class="nx">from</span><span class="p">;</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">to</span> <span class="o">=</span> <span class="nx">to</span><span class="p">;</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">depth</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
<span class="nx">val</span><span class="p">.</span><span class="k">in</span> <span class="o">=</span> <span class="s2">"both"</span><span class="p">;</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">records</span> <span class="o">=</span> <span class="p">[].</span><span class="nx">concat</span><span class="p">(</span><span class="nx">from</span><span class="p">.</span><span class="nx">records</span><span class="p">,</span><span class="nx">to</span><span class="p">.</span><span class="nx">records</span><span class="p">);</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">records</span><span class="p">.</span><span class="nx">parentVal</span> <span class="o">=</span> <span class="nx">val</span><span class="p">;</span> <span class="c1">// NOT TESTED, NOT USED, PROBABLY WRONG</span>
<span class="nx">val</span><span class="p">.</span><span class="nx">dim</span> <span class="o">=</span> <span class="nx">from</span><span class="p">.</span><span class="nx">dim</span><span class="p">;</span>
<span class="k">return</span> <span class="nx">val</span><span class="p">;</span>
<span class="p">};</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">extend</span><span class="p">(</span><span class="nx">StringValue</span><span class="p">.</span><span class="nx">prototype</span><span class="p">,</span> <span class="nx">Value</span><span class="p">.</span><span class="nx">prototype</span><span class="p">);</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">extend</span><span class="p">(</span><span class="nx">NumberValue</span><span class="p">.</span><span class="nx">prototype</span><span class="p">,</span> <span class="nx">Value</span><span class="p">.</span><span class="nx">prototype</span><span class="p">);</span></div></div></div><div class="segment"><div class="comments doc-section"><div class="wrapper"><p><span class='doc-section-header'> memberof supergroup</span></p>
<p>Sometimes a List gets turned into a standard array,
sg.g., through slicing or sorting or filtering.
addListMethods turns it back into a List</p>
<p><code>List</code> would be a constructor if IE10 supported
__proto__, so it pretends to be one instead.</p>
<p>Parameters:</p>
<ul>
<li><strong>Array must be an Array.</strong><br/>(to be extended)</li>
</ul></div></div><div class="code"><div class="wrapper"> <span class="nx">sg</span><span class="p">.</span><span class="nx">addSupergroupMethods</span> <span class="o">=</span>
<span class="nx">sg</span><span class="p">.</span><span class="nx">addListMethods</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">arr</span><span class="p">)</span> <span class="p">{</span>
<span class="k">for</span><span class="p">(</span><span class="kd">var</span> <span class="nx">method</span> <span class="k">in</span> <span class="nx">List</span><span class="p">.</span><span class="nx">prototype</span><span class="p">)</span> <span class="p">{</span>
<span class="nb">Object</span><span class="p">.</span><span class="nx">defineProperty</span><span class="p">(</span><span class="nx">arr</span><span class="p">,</span> <span class="nx">method</span><span class="p">,</span> <span class="p">{</span>
<span class="nx">value</span><span class="o">:</span> <span class="nx">List</span><span class="p">.</span><span class="nx">prototype</span><span class="p">[</span><span class="nx">method</span><span class="p">]</span>
<span class="p">});</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">arr</span><span class="p">;</span>
<span class="p">};</span>
</div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>can't easily subclass Array, so this explicitly puts the List
methods on an Array that's supposed to be a List</p></div></div><div class="code"><div class="wrapper"> <span class="kd">function</span> <span class="nx">makeList</span><span class="p">(</span><span class="nx">arr_arg</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">arr</span> <span class="o">=</span> <span class="p">[</span> <span class="p">];</span>
<span class="nx">arr</span><span class="p">.</span><span class="nx">push</span><span class="p">.</span><span class="nx">apply</span><span class="p">(</span><span class="nx">arr</span><span class="p">,</span> <span class="nx">arr_arg</span><span class="p">);</span>
<span class="nx">sg</span><span class="p">.</span><span class="nx">addListMethods</span><span class="p">(</span><span class="nx">arr</span><span class="p">);</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>//arr.<strong>proto</strong> = List.prototype;
for(var method in List.prototype) {
Object.defineProperty(arr, method, {
value: List.prototype[method]
});
}</p></div></div><div class="code"><div class="wrapper"> <span class="k">return</span> <span class="nx">arr</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">sg</span><span class="p">;</span>
<span class="p">}());</span></div></div></div><div class="segment"><div class="comments doc-section doc-section-private"><div class="wrapper"><p><span class='doc-section-header'>Private</span></p>
<p>lodash createAggregator function, which lodash makes private
Creates a function that aggregates a collection, creating an object or
array composed from the results of running each element of the collection
through a callback. The given setter function sets the keys and values
of the composed object or array.</p>
<p>Parameters:</p>
<ul>
<li><p><strong>setter must be a Function.</strong><br/>(The setter function.)</p></li>
<li><p><strong>retArray is optional, must be a boolean, and has a default value of false.</strong><br/>(A flag to indicate that the aggregator function should return an array.)</p></li>
</ul>
<p><strong>Returns a Function</strong><br/>(Returns the new aggregator function.)</p></div></div><div class="code"><div class="wrapper"> <span class="kd">function</span> <span class="nx">createAggregator</span><span class="p">(</span><span class="nx">setter</span><span class="p">,</span> <span class="nx">retArray</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="kd">function</span><span class="p">(</span><span class="nx">collection</span><span class="p">,</span> <span class="nx">callback</span><span class="p">,</span> <span class="nx">thisArg</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">result</span> <span class="o">=</span> <span class="nx">retArray</span> <span class="o">?</span> <span class="p">[[],</span> <span class="p">[]]</span> <span class="o">:</span> <span class="p">{};</span>
<span class="nx">callback</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">createCallback</span><span class="p">(</span><span class="nx">callback</span><span class="p">,</span> <span class="nx">thisArg</span><span class="p">,</span> <span class="mi">3</span><span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">_</span><span class="p">.</span><span class="nx">isArray</span><span class="p">(</span><span class="nx">collection</span><span class="p">))</span> <span class="p">{</span> <span class="c1">// using _.isArray instead of private isArray</span>
<span class="kd">var</span> <span class="nx">index</span> <span class="o">=</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span>
<span class="nx">length</span> <span class="o">=</span> <span class="nx">collection</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span>
<span class="k">while</span> <span class="p">(</span><span class="o">++</span><span class="nx">index</span> <span class="o"><</span> <span class="nx">length</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">value</span> <span class="o">=</span> <span class="nx">collection</span><span class="p">[</span><span class="nx">index</span><span class="p">];</span>
<span class="nx">setter</span><span class="p">(</span><span class="nx">result</span><span class="p">,</span> <span class="nx">value</span><span class="p">,</span> <span class="nx">callback</span><span class="p">(</span><span class="nx">value</span><span class="p">,</span> <span class="nx">index</span><span class="p">,</span> <span class="nx">collection</span><span class="p">),</span> <span class="nx">collection</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">baseEach</span><span class="p">(</span><span class="nx">collection</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">value</span><span class="p">,</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">collection</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">setter</span><span class="p">(</span><span class="nx">result</span><span class="p">,</span> <span class="nx">value</span><span class="p">,</span> <span class="nx">callback</span><span class="p">(</span><span class="nx">value</span><span class="p">,</span> <span class="nx">key</span><span class="p">,</span> <span class="nx">collection</span><span class="p">),</span> <span class="nx">collection</span><span class="p">);</span>
<span class="p">});</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">result</span><span class="p">;</span>
<span class="p">};</span>
<span class="p">}</span></div></div></div><div class="segment"><div class="comments doc-section doc-section-static"><div class="wrapper"><p><span class='doc-section-header'>Static memberOf _ and category Collections</span></p>
<p>Creates an object composed of keys generated from the results of running
each element of a collection through the callback. The corresponding value
of each key is an array of the elements responsible for generating the key.
The callback is bound to <code>thisArg</code> and invoked with three arguments;
(value, index|key, collection).</p>
<p>If a property name is provided for <code>callback</code> the created "_.pluck" style
callback will return the property value of the given element.</p>
<p>If an object is provided for <code>callback</code> the created "_.where" style callback
will return <code>true</code> for elements that have the properties of the given object,
else <code>false</code>.</p>
<p>Parameters:</p>
<ul>
<li><p><strong>collection can be an Array, an Object, or a string.</strong><br/>(The collection to iterate over.)</p></li>
<li><p><strong>callback is optional, can be a Function, an Object, or a string, and has a default value of identity.</strong><br/>(The function called per iteration. If a property name or object is provided it will be used to create a "<em>.pluck" or "</em>.where" style callback, respectively.)</p></li>
<li><p><strong>thisArg is optional and must be a *.</strong><br/>(The <code>this</code> binding of <code>callback</code>.)</p></li>
</ul>
<p><strong>Returns an Object</strong><br/>(Returns the composed aggregate object.)</p>
<p>Example:</p>
<p>_.groupBy([4.2, 6.1, 6.4], function(num) { return Math.floor(num); });
// => { '4': [4.2], '6': [6.1, 6.4] }</p>
<p>_.groupBy([4.2, 6.1, 6.4], function(num) { return this.floor(num); }, Math);
// => { '4': [4.2], '6': [6.1, 6.4] }</p>
<p>// using "_.pluck" callback shorthand
_.groupBy(['one', 'two', 'three'], 'length');
// => { '3': ['one', 'two'], '5': ['three'] }</p></div></div><div class="code"><div class="wrapper"> <span class="kd">var</span> <span class="nx">groupBy</span> <span class="o">=</span> <span class="nx">createAggregator</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">result</span><span class="p">,</span> <span class="nx">value</span><span class="p">,</span> <span class="nx">key</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">hasOwnProperty</span><span class="p">.</span><span class="nx">call</span><span class="p">(</span><span class="nx">result</span><span class="p">,</span> <span class="nx">key</span><span class="p">))</span> <span class="p">{</span>
<span class="nx">result</span><span class="p">[</span><span class="nx">key</span><span class="p">].</span><span class="nx">push</span><span class="p">(</span><span class="nx">value</span><span class="p">);</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">result</span><span class="p">[</span><span class="nx">key</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="nx">value</span><span class="p">];</span>
<span class="p">}</span>
<span class="p">});</span></div></div></div><div class="segment"><div class="comments "><div class="wrapper"><p>allows grouping by a field that contains an array of strings rather than just a string</p></div></div><div class="code"><div class="wrapper"> <span class="kd">var</span> <span class="nx">multiValuedGroupBy</span> <span class="o">=</span> <span class="nx">createAggregator</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">result</span><span class="p">,</span> <span class="nx">value</span><span class="p">,</span> <span class="nx">keys</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">keys</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">key</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">hasOwnProperty</span><span class="p">.</span><span class="nx">call</span><span class="p">(</span><span class="nx">result</span><span class="p">,</span> <span class="nx">key</span><span class="p">))</span> <span class="p">{</span>
<span class="nx">result</span><span class="p">[</span><span class="nx">key</span><span class="p">].</span><span class="nx">push</span><span class="p">(</span><span class="nx">value</span><span class="p">);</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">result</span><span class="p">[</span><span class="nx">key</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="nx">value</span><span class="p">];</span>
<span class="p">}</span>
<span class="p">});</span>
<span class="p">});</span>
<span class="nx">_</span><span class="p">.</span><span class="nx">mixin</span><span class="p">({</span><span class="nx">supergroup</span><span class="o">:</span> <span class="nx">supergroup</span><span class="p">.</span><span class="nx">group</span><span class="p">,</span>
<span class="nx">addSupergroupMethods</span><span class="o">:</span> <span class="nx">supergroup</span><span class="p">.</span><span class="nx">addSupergroupMethods</span><span class="p">,</span>
<span class="nx">multiValuedGroupBy</span><span class="o">:</span> <span class="nx">multiValuedGroupBy</span>
<span class="p">});</span></div></div></div></div></body></html>