JSFiddle - React, Tailwind, and code Playground

by D7460N

HTML

<script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script type="text/javascript" src="https://rawgit.com/RickStrahl/jquery-resizable/master/src/jquery-resizable.js"></script>
<div>HEADER</div>
<main>
<div class="horizontal">
  <div class="left">Left</div>
  <div class="splitter"></div>
  <div class="right">Right</div>
</div>
</main>
<div>FOOTER</div>

CSS

.horizontal {
  display: flex;
  flex-direction: row;
  border: 1px solid silver;
  overflow: hidden;
}

.left {
  flex: 0 0 auto;
  padding: 10px;
  width: 200px;
  min-height: 200px;
  min-width: 100px;
  max-width:80%;
  white-space: nowrap;
  background: #838383;
  color: white;
}

.splitter {
  flex: 0 0 auto;
  width: 18px;  
  background:#535353;
  min-height: 200px;
  cursor: col-resize;  
}

.right {
  flex: 1 1 auto;
  padding: 10px;
  width: 100%;
  min-height: 200px;
  min-width: 200px;
  background: #eee;
}

JavaScript

$(".left").resizable({
   handleSelector: ".splitter", 
   resizeHeight: false 
 });