fiberify

Jank-less computation on the browser

Fiberify breaks up big recursive computations (like diffing or merging trees) into separate chunks and schedules them to run in the browser without dropping frames.

Usage

// Lets say you want to calculate 2^n in the dumbest possible way.
 
const pow = n => {
  let s = 1;
  for (let i = 0; i < n; i++) s += pow(i);
  return s;
}
 
// Fiberifying this just requires some well placed async/awaits:
 
const fibpow = fiberify(async n => {
  let s = 1;
  for (let i = 0; i < n; i++) s += await pow(i);
  return s;
});

Performance

Fiberify focuses on maintaining responsiveness, and not completing the computation efficiently. The time required to complete a fiberified computation is usually several times higher than the direct recursive function.