decurry

decurry v1.0.0

Decurry is like the the 'reverse' of curry.

Given a composed "curried" function, that due to composition (eg with lodash's flowRight ) has to be called strictly as fn(arg1)(arg2)(arg3) to yield its final result, decurry gives a "decurried" function that can be called both as the original one, but also in any combination of arguments arrangements:

eg fn(arg1)(arg2)(arg3) or fn(arg1, arg2, arg3) or fn(arg1)(arg2, arg3) or fn(arg1, arg2)(arg3) or fn(arg1)(arg2)(arg3) etc

Usage:

var _f = require('lodash/fp');

var tasks = [
  {
    username: 'Michael', title: 'Curry stray functions',
    complete: true, effort: 'low', priority: 'low'
  },
  {
    username: 'Scott', title: 'Add `fork` function',
    complete: true, effort: 'low', priority: 'low'
  },
];

project = _f.flowRight([_f.map, _f.pick]);

project(['title', 'dueDate'])(tasks);
// works fine, as its called with (arg1)(arg2) and it returns
// [ { title: 'Curry stray functions' },
//   { title: 'Add `fork` function' }    ]

project(['title', 'dueDate'], tasks);
// doesn't work, `tasks` is completely ignored and it returns a function that is waiting for `tasks` to yield results

decurriedProject = decurry(project, 2);

decurriedProject(['title', 'dueDate'], tasks); // works fine
decurriedProject(['title', 'dueDate'])(tasks); // works fine also

Copyright(c) 2016 Agelos Pikoulas ([e-mail])

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