fix: allow 0 as attribute value

the `compact` function was a bit too aggressive and removed that value,
which meant it was not possible to set the debounce to zero.

Author: mxlje

src/compact.js

@@ -1,6 +1,7 @@
 // removes falsy and empty object values from objects
 export default (obj) => {
   return Object.fromEntries(Object.entries(obj).filter(([_, v]) => {
+    if (v === 0) return true
     if (v && v.constructor === Object && Object.keys(v).length === 0) return false
     return !!v
   }))