Handle deleted threads

src/lib/components/EmojiButton.svelte

@@ -18,10 +18,12 @@
   }
 
   const onMouseMove = throttle(300, ({clientX, clientY}: any) => {
-    const {x, y, width, height} = popover.popper.getBoundingClientRect()
+    if (popover) {
+      const {x, y, width, height} = popover.popper.getBoundingClientRect()
 
-    if (!between([x, x + width], clientX) || !between([y - 30, y + height + 30], clientY)) {
-      popover.hide()
+      if (!between([x, x + width], clientX) || !between([y - 30, y + height + 30], clientY)) {
+        popover.hide()
+      }
     }
   })
 

src/lib/components/Link.svelte

@@ -3,12 +3,13 @@
 
   export let href
   export let external = false
+  export let replaceState = false
 
   const go = (e: Event) => {
     if (!external) {
       e.preventDefault()
 
-      goto(href)
+      goto(href, {replaceState})
     }
   }
 </script>