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stoeffel/withDefaults.js

Created May 18, 2016 11:59
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withDefaults.js
const l = console::console.log
const safeProp = prop => R.compose(S.toMaybe, R.prop(prop))
const withDefault = R.curry((def, safeFun) => (...args) => {
const maybe = safeFun(...args)
return S.maybe(def, R.identity, maybe)
})
const name = withDefault('anon', safeProp('name'))
l(name({name: 'foo'}))
l(name({nope: 'foo'}))
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