ko-contrib-fns

Table of Contents

• ko.observable.fn.increment/decrement
• ko.observable.fn.subscribeOnce
• ko.observable.fn.toString

observable.fn.increment/decrement([n = 1])

increments/decrements numeric observables.

1import 'ko-contrib-fns/increment'
2
3const foo = ko.observable(0)
4
5foo.increment()
6foo.increment(3)
7foo.decrement()
8foo.decrement(2)
9foo()
10// 1

observable.fn.subscribeOnce(fn)

Creates a subscription that is called once and then disposed.

1import 'ko-contrib-fns/subscribeOnce'
2
3const foo = ko.observable(0)
4
5foo.subscribeOnce(() => console.log('hit!'))
6
7foo(1)
8// hit!
9
10foo(2)
11// nothing...

observable.fn.toString()

Make debugging in the console much nicer; you won't ever need to actually call this.

1import 'ko-contrib-fns/toString'