title: How to use npm scripts within javascript
body: <p>I need a complete guide or a good reference material to solve the running module commands within javascript file problem.</p>
  
  <p>Say that I often run:</p>
  
  <pre><code>$ npm run webpack-dev-server --progress --colors -- files
  </code></pre>
  
  <p>How can I run this within a javascript file and execute with </p>
  
  <pre><code>$ node ./script.js
  </code></pre>
  
  <p><strong>script.js</strong></p>
  
  <pre><code>var webpackDevServer = require('webpack-dev-server');
  
  // need help here
  var result = webpackDevServer.execute({
    progress: true,
    colors: true,
  }, files);
  </code></pre>