43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
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import _curry2 from "./internal/_curry2.js";
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import curryN from "./curryN.js";
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/**
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* Returns a function of arity `n` from a (manually) curried function.
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*
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* @func
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* @memberOf R
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* @since v0.14.0
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* @category Function
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* @sig Number -> (a -> b) -> (a -> c)
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* @param {Number} length The arity for the returned function.
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* @param {Function} fn The function to uncurry.
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* @return {Function} A new function.
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* @see R.curry
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* @example
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*
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* const addFour = a => b => c => d => a + b + c + d;
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*
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* const uncurriedAddFour = R.uncurryN(4, addFour);
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* uncurriedAddFour(1, 2, 3, 4); //=> 10
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*/
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var uncurryN =
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/*#__PURE__*/
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_curry2(function uncurryN(depth, fn) {
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return curryN(depth, function () {
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var currentDepth = 1;
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var value = fn;
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var idx = 0;
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var endIdx;
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while (currentDepth <= depth && typeof value === 'function') {
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endIdx = currentDepth === depth ? arguments.length : idx + value.length;
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value = value.apply(this, Array.prototype.slice.call(arguments, idx, endIdx));
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currentDepth += 1;
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idx = endIdx;
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}
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return value;
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});
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});
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export default uncurryN;
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