last-one-wins
Make sure the last sync call to an async function is executed after all previous ones have finished
npm install last-one-wins
Usage
var low =var pick =// this one will always win since its called the last
Calling the above will print out
picked 1
picked 5
API
var fn = low(asyncWorker)
Wrap a async function to make sure that the last sync call to that function is executed after any previous calls. Note that not all calls are executed - only the last one is guaranteed to be executed.
fn
and asyncWorker
should have the signature (value, cb)
Use with leveldb
This module is useful if you want sync a value to a leveldb and want to make sure the latest version of that value is the one written. For example
var update =
Is guaranteed to always write c
to the key my-key
.
License
MIT