observ-once

Listen to a single observable value change and immediate unlisten

Install

$ npm install --save observ-once

Usage

var once = require('observ-once')
var Observ = require('observ')
var observable = Observ()

once(observable, console.log)
observable.set(1)
observable.set(2)
observable.set(3)
//=> only prints 1

API

once(observable, listener) -> undefined

obserable

Required
Type: function

An observable value representation.

listener

Required
Type: function

A listener to call the first time the value changes.

License

MIT © Ben Drucker