message: improve algo by skipping an O(n) operation
diff: @@ -89,9 +89,10 @@ export function objectHasDiff<O extends {}>(a: O, b: O): boolean {
  if (a === b) return false;
  const aKeys = Object.keys(a);
  const bKeys = Object.keys(b);
  - if (arrayHasDiff(aKeys, bKeys)) return true;
  -
  const possibleChanges = arrayUnion(aKeys, bKeys);
  + // if the amalgamation of both sets of keys has the a different length to the inputs then there must be a change
  + if (possibleChanges.length !== aKeys.length) return true;
  +
  return possibleChanges.some(k => a[k] !== b[k]);
  }
  