decurry

decurry v1.0.1

The decurry higher order function, 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:

For example

fn(arg1)(arg2)(arg3)

fn(arg1, arg2, arg3)

fn(arg1)(arg2, arg3)

fn(arg1, arg2)(arg3)

fn(arg1)(arg2)(arg3)

etc, are all equivalent.

Usage:

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

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

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

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

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

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

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.