curry.js
781 Bytes
"use strict";
var toPosInt = require("../../number/to-pos-integer")
, callable = require("../../object/valid-callable")
, defineLength = require("../_define-length")
, slice = Array.prototype.slice, apply = Function.prototype.apply
, curry;
curry = function self(fn, length, preArgs) {
return defineLength(function () {
var args = preArgs
? preArgs.concat(slice.call(arguments, 0, length - preArgs.length))
: slice.call(arguments, 0, length);
return args.length === length ? apply.call(fn, this, args)
: self(fn, length, args);
}, preArgs ? length - preArgs.length : length);
};
module.exports = function (/* Length*/) {
var length = arguments[0];
return curry(callable(this),
isNaN(length) ? toPosInt(this.length) : toPosInt(length));
};