Constrain size of prompt textarea fix #172

src/app.scss

@@ -245,8 +245,6 @@ $modal-background-background-color-dark: rgba($dark, 0.86) !default; // remove t
   }
 }
 
-
-
 /* Loading chat messages */
 .is-loading {
   opacity: 0.5;
@@ -462,6 +460,10 @@ aside.menu.main-menu .menu-expanse {
   .control.send .button {
     width: 60px;
   }
+  textarea {
+    max-height: calc(100vh - (var(--chatContentPaddingBottom) + var(--runningTotalLineHeight) * var(--running-totals))) !important;
+    min-height: 38px !important;
+  }
 }
 
 @media only screen and (max-width: 768px) {

src/lib/Util.svelte

@@ -21,6 +21,13 @@
     const anyEl = el as any // Oh how I hate typescript.  All the markup of Java with no real payoff..
     if (!anyEl.__didAutoGrow) el.style.height = '38px' // don't use "auto" here.  Firefox will over-size.
     el.style.height = el.scrollHeight + 'px'
+    setTimeout(() => {
+      if (el.scrollHeight > el.getBoundingClientRect().height + 5) {
+        el.style.overflowY = 'auto'
+      } else {
+        el.style.overflowY = ''
+      }
+    }, 0)
     anyEl.__didAutoGrow = true // don't resize this one again unless it's via an event
   }