polygoat

Make JavaScript functions that support both promise and callback styles.

handle-errors

Handling/creating hybrid errors. Hybrid middleware between callbacks and throws. Helpful util for modules that have hybrid APIs and want when they use promises, directly to throw the errors; when use callbacks to pass errors to first argument of this call

hybridify

Hybridify. Hybrids. Create sync or async function to support both promise and callback-style APIs in same time. Using the power of [relike][].

benz

Compose your control flow with absolute elegance. Support async/await, callbacks, thunks, generators, promises, observables, child processes and streams. Can power applications that need to have plugins. Useful for creating task, test and bench runners.