versions() added param to specify which program/lib versions to detect

docs/history.html

@@ -83,6 +83,11 @@
                   </tr>
                 </thead>
                 <tbody>
+                  <tr>
+                    <th scope="row">4.23.0</th>
+                    <td>2020-03-08</td>
+                    <td><span class="code">versions()</span> added param to specify which program/lib versions to detect</td>
+                  </tr>
                   <tr>
                     <th scope="row">4.22.7</th>
                     <td>2020-03-08</td>

docs/index.html

@@ -168,7 +168,7 @@
       <img class="logo" src="assets/logo.png">
       <div class="title">systeminformation</div>
       <div class="subtitle"><span id="typed"></span></div>
-      <div class="version">Current Version: <span id="version">4.22.7</span></div>
+      <div class="version">Current Version: <span id="version">4.23.0</span></div>
       <button class="btn btn-light" onclick="location.href='https://github.com/sebhildebrandt/systeminformation'">View on Github <i class=" fab fa-github"></i></button>
     </div>
     <div class="down">

docs/os.html

@@ -259,14 +259,14 @@ si.osInfo().then(data => console.log(data));</code></pre class="example">
                     <td>standard shell</td>
                   </tr>
                   <tr>
-                    <td>si.versions(cb)</td>
+                    <td>si.versions(apps, cb)</td>
                     <td>{...}</td>
                     <td>X</td>
                     <td>X</td>
                     <td>X</td>
                     <td>X</td>
                     <td>X</td>
-                    <td>version information of<br>node and dev software packages</td>
+                    <td>version information of<br>node and dev software packages<br>optional apps param (string, <br>comma or space seperated)<br>only those apps are detected</td>
                   </tr>
                   <tr>
                     <td></td>
@@ -586,6 +586,15 @@ si.versions().then(data => console.log(data));</code></pre class="example">
   java: '',
   gcc: '4.2.1',
   virtualbox: ''
+}</pre>
+                      <h5>Example 2</h5>
+                      <pre><code class="js">const si = require('systeminformation');
+                      si.versions('npm, php, postgresql').then(data => console.log(data));</code></pre class="example">
+                      <pre class="example">
+{
+  npm: '6.13.6',
+  php: '7.3.11',
+  postgresql: '12.1'
 }</pre>
                   </tr>
                   <tr>