65 lines
1.5 KiB
JavaScript
65 lines
1.5 KiB
JavaScript
|
var _arity =
|
||
|
|
/*#__PURE__*/
|
||
|
|
require("./internal/_arity");
|
||
|
|
|
||
|
|
var _curry2 =
|
||
|
|
/*#__PURE__*/
|
||
|
|
require("./internal/_curry2");
|
||
|
|
|
||
|
|
var head =
|
||
|
|
/*#__PURE__*/
|
||
|
|
require("./head");
|
||
|
|
|
||
|
|
var _reduce =
|
||
|
|
/*#__PURE__*/
|
||
|
|
require("./internal/_reduce");
|
||
|
|
|
||
|
|
var tail =
|
||
|
|
/*#__PURE__*/
|
||
|
|
require("./tail");
|
||
|
|
|
||
|
|
var identity =
|
||
|
|
/*#__PURE__*/
|
||
|
|
require("./identity");
|
||
|
|
/**
|
||
|
|
* Performs left-to-right function composition using transforming function. The first argument may have
|
||
|
|
* any arity; the remaining arguments must be unary.
|
||
|
|
*
|
||
|
|
* **Note:** The result of pipeWith is not automatically curried. Transforming function is not used on the
|
||
|
|
* first argument.
|
||
|
|
*
|
||
|
|
* @func
|
||
|
|
* @memberOf R
|
||
|
|
* @since v0.26.0
|
||
|
|
* @category Function
|
||
|
|
* @sig ((* -> *), [((a, b, ..., n) -> o), (o -> p), ..., (x -> y), (y -> z)]) -> ((a, b, ..., n) -> z)
|
||
|
|
* @param {...Function} functions
|
||
|
|
* @return {Function}
|
||
|
|
* @see R.composeWith, R.pipe
|
||
|
|
* @example
|
||
|
|
*
|
||
|
|
* const pipeWhileNotNil = R.pipeWith((f, res) => R.isNil(res) ? res : f(res));
|
||
|
|
* const f = pipeWhileNotNil([Math.pow, R.negate, R.inc])
|
||
|
|
*
|
||
|
|
* f(3, 4); // -(3^4) + 1
|
||
|
|
* @symb R.pipeWith(f)([g, h, i])(...args) = f(i, f(h, g(...args)))
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
var pipeWith =
|
||
|
|
/*#__PURE__*/
|
||
|
|
_curry2(function pipeWith(xf, list) {
|
||
|
|
if (list.length <= 0) {
|
||
|
|
return identity;
|
||
|
|
}
|
||
|
|
|
||
|
|
var headList = head(list);
|
||
|
|
var tailList = tail(list);
|
||
|
|
return _arity(headList.length, function () {
|
||
|
|
return _reduce(function (result, f) {
|
||
|
|
return xf.call(this, f, result);
|
||
|
|
}, headList.apply(this, arguments), tailList);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
module.exports = pipeWith;
|