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    switch-fnpublic

    switch-fn Build Status

    Write a functional switch statement.

    Install

    $ npm install --save switch-fn

    Usage

    var Switch = require('switch-fn')
     
    var fn = Switch({
      a: actionA,
      b: actionB,
      default: defaultAction
    })
     
    var result = fn('a') // => calls actionA with 'a' and gives back actionA's return value 

    API

    Switch(cases) -> function

    cases

    Required Type: object

    An object, with keys being the 'cases' to match against and values being the function to call in each case.

    If no case matching the input is found and a 'default' case is given, it will be used.

    More Examples

    As part of a data pipeline

    var pipe = require('value-pipe')
    var Switch = require('switch-fn')
     
    var onStatus = pipe(getStatus, Switch({
      active: actOnActive,
      inactive: actOnInactive,
      pending: actOnPending
    }))
     
    var result = onStatus(user)
     
    function getStatus (user) {
      return user.status
    }

    Pass in an array for numbers only

    var Switch = require('switch-fn')
     
    var fn = Switch([onZero, onOne])
     
    fn(0)

    Fibonacci

    var fib = Switch({
      0: (n) => n,
      1: (n) => n,
      default: (n) => fib(n - 1) + fib(n - 2)
    });
     
    fib(10) // => 55

    License

    MIT © Andrew Joslin

    Keywords

    install

    npm i switch-fn

    Downloadsweekly downloads

    5

    version

    1.0.2

    license

    MIT

    repository

    github.com

    last publish

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