1 | import _arity from "./internal/_arity.js";
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2 | import _curry2 from "./internal/_curry2.js";
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3 | import head from "./head.js";
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4 | import _reduce from "./internal/_reduce.js";
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5 | import tail from "./tail.js";
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6 | import identity from "./identity.js";
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7 | /**
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8 | * Performs left-to-right function composition using transforming function. The first function may have
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9 | * any arity; the remaining functions must be unary.
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10 | *
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11 | * **Note:** The result of pipeWith is not automatically curried. Transforming function is not used on the
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12 | * first argument.
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13 | *
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14 | * @func
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15 | * @memberOf R
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16 | * @since v0.26.0
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17 | * @category Function
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18 | * @sig ((* -> *), [((a, b, ..., n) -> o), (o -> p), ..., (x -> y), (y -> z)]) -> ((a, b, ..., n) -> z)
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19 | * @param {Function} transformer The transforming function
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20 | * @param {Array} functions The functions to pipe
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21 | * @return {Function}
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22 | * @see R.composeWith, R.pipe
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23 | * @example
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24 | *
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25 | * const pipeWhileNotNil = R.pipeWith((f, res) => R.isNil(res) ? res : f(res));
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26 | * const f = pipeWhileNotNil([Math.pow, R.negate, R.inc])
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27 | *
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28 | * f(3, 4); // -(3^4) + 1
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29 | * @symb R.pipeWith(f)([g, h, i])(...args) = f(i, f(h, g(...args)))
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30 | */
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31 |
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32 | var pipeWith =
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33 | /*#__PURE__*/
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34 | _curry2(function pipeWith(xf, list) {
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35 | if (list.length <= 0) {
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36 | return identity;
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37 | }
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38 |
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39 | var headList = head(list);
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40 | var tailList = tail(list);
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41 | return _arity(headList.length, function () {
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42 | return _reduce(function (result, f) {
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43 | return xf.call(this, f, result);
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44 | }, headList.apply(this, arguments), tailList);
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45 | });
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46 | });
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47 |
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48 | export default pipeWith; |
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