42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
import _arity from "./_arity.js";
|
|
import _isPlaceholder from "./_isPlaceholder.js";
|
|
/**
|
|
* Internal curryN function.
|
|
*
|
|
* @private
|
|
* @category Function
|
|
* @param {Number} length The arity of the curried function.
|
|
* @param {Array} received An array of arguments received thus far.
|
|
* @param {Function} fn The function to curry.
|
|
* @return {Function} The curried function.
|
|
*/
|
|
|
|
export default function _curryN(length, received, fn) {
|
|
return function () {
|
|
var combined = [];
|
|
var argsIdx = 0;
|
|
var left = length;
|
|
var combinedIdx = 0;
|
|
|
|
while (combinedIdx < received.length || argsIdx < arguments.length) {
|
|
var result;
|
|
|
|
if (combinedIdx < received.length && (!_isPlaceholder(received[combinedIdx]) || argsIdx >= arguments.length)) {
|
|
result = received[combinedIdx];
|
|
} else {
|
|
result = arguments[argsIdx];
|
|
argsIdx += 1;
|
|
}
|
|
|
|
combined[combinedIdx] = result;
|
|
|
|
if (!_isPlaceholder(result)) {
|
|
left -= 1;
|
|
}
|
|
|
|
combinedIdx += 1;
|
|
}
|
|
|
|
return left <= 0 ? fn.apply(this, combined) : _arity(left, _curryN(length, combined, fn));
|
|
};
|
|
} |