es6-promise-peek
Adds a 'peek' function to es6 promises
Easily peek into a promise chain, without affecting the returned value.
Install
$ yarn add es6-promise-peek
or
$ npm install --save es6-promise-peek
Usage
Promise.resolve("a")
.peek(console.log)
.then(console.log)
.then(console.log)
// => "a"
// => "a"
// => undefined
NB: Return values from the function passed to peek
are ignored - even if they are promises.
Environments
This has only been tested on nodejs 6.
Dependencies
License
MIT © [Alastair Brayne]