| import _arity from "./internal/_arity.js"; |
| import _curry2 from "./internal/_curry2.js"; |
| import head from "./head.js"; |
| import _reduce from "./internal/_reduce.js"; |
| import tail from "./tail.js"; |
| import identity from "./identity.js"; |
| /** |
| * 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); |
| }); |
| }); |
| |
| export default pipeWith; |