title: Angular 8: After Deploy: Uncaught ReferenceError: Cannot access 'ma' before initialization
body: <p>I have build an app with Angular8 and work normally with <strong>ng-serve</strong>. <br>
  And Followed the tutorial to deploy on Github with <a href="https://github.com/angular-schule/angular-cli-ghpages" rel="nofollow noreferrer">angular-cli-ghpages</a><br>
  There is no error showed during <strong>ng deploy/ng build</strong>.<br>
  but I got the error message below.<br>
  Can't find any similar error...Could anyone help?<br>
  <a href="https://hhow09.github.io/calendarapi/" rel="nofollow noreferrer">Github Pages Link</a><br></p>
  
  <p><strong>Error Message</strong></p>
  
  <blockquote>
  <pre><code>main-es2015.6839f58bab9d13b0750c.js:1 Uncaught ReferenceError: Cannot access 'ma' before initialization
      at Module.zUnb (main-es2015.6839f58bab9d13b0750c.js:1)
      at l (runtime-es2015.edb2fcf2778e7bf1d426.js:1)
      at Object.0 (main-es2015.6839f58bab9d13b0750c.js:1)
      at l (runtime-es2015.edb2fcf2778e7bf1d426.js:1)
      at t (runtime-es2015.edb2fcf2778e7bf1d426.js:1)
      at Array.r [as push] (runtime-es2015.edb2fcf2778e7bf1d426.js:1)
      at main-es2015.6839f58bab9d13b0750c.js:1
  zUnb @ main-es2015.6839f58bab9d13b0750c.js:1
  l @ runtime-es2015.edb2fcf2778e7bf1d426.js:1
  0 @ main-es2015.6839f58bab9d13b0750c.js:1
  l @ runtime-es2015.edb2fcf2778e7bf1d426.js:1
  t @ runtime-es2015.edb2fcf2778e7bf1d426.js:1
  r @ runtime-es2015.edb2fcf2778e7bf1d426.js:1
  (anonymous) @ main-es2015.6839f58bab9d13b0750c.js:1
  </code></pre>
  </blockquote>