31 lines
791 B
JavaScript
31 lines
791 B
JavaScript
|
import _curry1 from "./_curry1.js";
|
||
|
|
import _isPlaceholder from "./_isPlaceholder.js";
|
||
|
|
/**
|
||
|
|
* Optimized internal two-arity curry function.
|
||
|
|
*
|
||
|
|
* @private
|
||
|
|
* @category Function
|
||
|
|
* @param {Function} fn The function to curry.
|
||
|
|
* @return {Function} The curried function.
|
||
|
|
*/
|
||
|
|
|
||
|
|
export default function _curry2(fn) {
|
||
|
|
return function f2(a, b) {
|
||
|
|
switch (arguments.length) {
|
||
|
|
case 0:
|
||
|
|
return f2;
|
||
|
|
|
||
|
|
case 1:
|
||
|
|
return _isPlaceholder(a) ? f2 : _curry1(function (_b) {
|
||
|
|
return fn(a, _b);
|
||
|
|
});
|
||
|
|
|
||
|
|
default:
|
||
|
|
return _isPlaceholder(a) && _isPlaceholder(b) ? f2 : _isPlaceholder(a) ? _curry1(function (_a) {
|
||
|
|
return fn(_a, b);
|
||
|
|
}) : _isPlaceholder(b) ? _curry1(function (_b) {
|
||
|
|
return fn(a, _b);
|
||
|
|
}) : fn(a, b);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|