blob: ee2ad2d8544c75cb8bc7f82e00a01cc42e60f8e6 [file] [log] [blame]
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 leftmost function may have
* any arity; the remaining functions must be unary.
*
* **Note:** The result of pipeWith is not automatically curried.
*
* @func
* @memberOf R
* @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, f(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;