@aws/pdk
Version:
All documentation is located at: https://aws.github.io/aws-pdk
66 lines (57 loc) • 1.62 kB
JavaScript
var _arity =
/*#__PURE__*/
require("./internal/_arity.js");
var _curry2 =
/*#__PURE__*/
require("./internal/_curry2.js");
var head =
/*#__PURE__*/
require("./head.js");
var _reduce =
/*#__PURE__*/
require("./internal/_reduce.js");
var tail =
/*#__PURE__*/
require("./tail.js");
var identity =
/*#__PURE__*/
require("./identity.js");
/**
* Performs left-to-right function composition using transforming function. The first function may have
* any arity; the remaining functions 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} transformer The transforming function
* @param {Array} functions The functions to pipe
* @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;