How can I run or pause type writer function using pure javascript

Question

I hope someone can throw me a life jacket, I have a text writer function that works like a charm, but I need to add it an extra functionality, that is pause and stop the execution, I can start the ejecution using a button but I don't know how can I pause and play from paused, and also notice the console give an error when I push the button for second time, Sorry I'm novice in JS, I hope was clear with the explanation. This what I have until now.

const playPauseButton = document.getElementById('button-play-pause');
  playPauseButton.addEventListener('click', () => { 
  typewriter();
});
////////////////////////////////
var aText = new Array(
  "sint commodi repudiandae consequuntur","m debitis quas aliquid. Reprehend"
  );
  var iSpeed = 100; // time delay of print out
  var iIndex = 0; // start printing array at this posision
  var iArrLength = aText[0].length; // the length of the text array
  var iScrollAt = 5; // start scrolling up at this many lines 
  var iTextPos = 0; // initialise text position
  var sContents = ''; // initialise contents variable
  var iRow; // initialise current row  
  function typewriter() {
   sContents =  ' ';
   iRow = Math.max(0, iIndex-iScrollAt);  
   var destination = document.getElementById("typedtext");
   while ( iRow < iIndex ) { 
    sContents += aText[iRow++] + '<br />';
   }
   destination.innerHTML = sContents + aText[iIndex].substring(0, iTextPos) + "|";
   if ( iTextPos++ == iArrLength ) {
    iTextPos = 0;
    iIndex++;
    if ( iIndex != aText.length ) {
     iArrLength = aText[iIndex].length;
     setTimeout("typewriter()", 500);
    }   
   } else {    
    setTimeout("typewriter()", iSpeed);    
   }  
  }

.control-text-writer{
  background-color: rgba(0,0,0,0.2);
  position:absolute;
  display: block;
  left:10px;
  bottom:20px;
  border-radius: 100%;
  padding: 0.1rem;
}

.control-text-writer:not(.playing) .control-pause,
.control.playing .control-play {
  display: none;
}

 <div id="typedtext"></div>
 
                <button id="button-play-pause" class="control-text-writer">
                        <span class="control-play">
                            <span>Play</span>
                        </span>
                        <span class="control-pause">
                            <span>Pause</span>
                    </span>  
                  </button>