Various ramda functions

// Takes an array of objects and turns it into an object where:
// - keys are specified by the key argument
// - values are the the initial object, minus the specified key
// Example:
// const arr = [
//   { id: 1, name: 'blah', address: 'qwerqwer' },
//   { id: 2, name: 'blah', address: 'qwerqwer' },
//   { id: 6, name: 'blah', address: 'qwerqwer' },
// ]
//
// turns into
//
// {
//  "1": {name: 'blah', address: 'qwerqwer'},
//  "2": {name: 'blah', address: 'qwerqwer'},
//  "6": {name: 'blah', address: 'qwerqwer'},
// }
// REVIEW: needs a proper name
export const arrOfObjToKeyObj = curry((key, arr) => {
  compose(
    mergeAll,
    map(v => ({ [prop(key, v)]: omit([key], v) }))
  )(arr)
})

// Maps over the object produced by 'arrOfObjToKeyObj'
// Plays nice when iterating with JSX
export const mapObject = curry((fn, obj) => compose(map(key => fn(key, obj[k])), keys)(obj))