title: Ionic serve stopped working with error: 'Node Sass does not yet support your current environment'
body: <p>Ionic serve used to work perfectly fine and suddenly I went to run my app and I keep getting this:</p>
  
  <pre><code>Danas-MacBook-Air:myFinalApp DanaCarlin$ ionic serve
  Error: Node Sass does not yet support your current environment: OS X 
  64-bit with Unsupported runtime (59)
  For more information on which environments are supported please see:
  https://github.com/sass/node-sass/releases/tag/v4.5.3
  at module.exports (/Users/DanaCarlin/MyFinalApp/node_modules/node-
  sass/lib/binding.js:13:13)
  at Object.&lt;anonymous&gt; 
  (/Users/DanaCarlin/MyFinalApp/node_modules/node-
  sass/lib/index.js:14:35)
  at Module._compile (module.js:641:30)
  at Object.Module._extensions..js (module.js:652:10)
  at Module.load (module.js:560:32)
  at tryModuleLoad (module.js:503:12)
  at Function.Module._load (module.js:495:3)
  at Module.require (module.js:585:17)
  at require (internal/module.js:11:18)
  at Object.&lt;anonymous&gt; 
  (/Users/DanaCarlin/MyFinalApp/node_modules/@ionic/app-
  scripts/dist/core/bundle-components.js:6:16)
  </code></pre>
  
  <p>I don't think I have changed anything. Could someone please help me out! Thanks!</p>