You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.1 KiB
43 lines
1.1 KiB
import _curry2 from "./internal/_curry2.js";
|
|
import curryN from "./curryN.js";
|
|
/**
|
|
* Returns a function of arity `n` from a (manually) curried function.
|
|
*
|
|
* @func
|
|
* @memberOf R
|
|
* @since v0.14.0
|
|
* @category Function
|
|
* @sig Number -> (a -> b) -> (a -> c)
|
|
* @param {Number} length The arity for the returned function.
|
|
* @param {Function} fn The function to uncurry.
|
|
* @return {Function} A new function.
|
|
* @see R.curry
|
|
* @example
|
|
*
|
|
* const addFour = a => b => c => d => a + b + c + d;
|
|
*
|
|
* const uncurriedAddFour = R.uncurryN(4, addFour);
|
|
* uncurriedAddFour(1, 2, 3, 4); //=> 10
|
|
*/
|
|
|
|
var uncurryN =
|
|
/*#__PURE__*/
|
|
_curry2(function uncurryN(depth, fn) {
|
|
return curryN(depth, function () {
|
|
var currentDepth = 1;
|
|
var value = fn;
|
|
var idx = 0;
|
|
var endIdx;
|
|
|
|
while (currentDepth <= depth && typeof value === 'function') {
|
|
endIdx = currentDepth === depth ? arguments.length : idx + value.length;
|
|
value = value.apply(this, Array.prototype.slice.call(arguments, idx, endIdx));
|
|
currentDepth += 1;
|
|
idx = endIdx;
|
|
}
|
|
|
|
return value;
|
|
});
|
|
});
|
|
|
|
export default uncurryN;
|