functional-switchcase/src/index.js

Functional switchcase taken from a Hackernoon article by Joel Thoms

const executeIfFunction = f =>
  typeof f === 'function' ? f() : f

const switchcase = cases => defaultCase => key =>
  cases.hasOwnProperty(key) ? cases[key] : defaultCase

const switchcaseF = cases => defaultCase => key =>
  executeIfFunction(switchcase(cases)(defaultCase)(key))

module.exports = {
  switchcase,
  switchcaseF
}