1 | var _arity =
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2 | /*#__PURE__*/
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3 | require("./internal/_arity.js");
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4 |
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5 | var _curry2 =
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6 | /*#__PURE__*/
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7 | require("./internal/_curry2.js");
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8 |
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9 | var head =
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10 | /*#__PURE__*/
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11 | require("./head.js");
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12 |
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13 | var _reduce =
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14 | /*#__PURE__*/
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15 | require("./internal/_reduce.js");
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16 |
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17 | var tail =
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18 | /*#__PURE__*/
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19 | require("./tail.js");
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20 |
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21 | var identity =
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22 | /*#__PURE__*/
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23 | require("./identity.js");
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24 | /**
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25 | * Performs left-to-right function composition using transforming function. The first function may have
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26 | * any arity; the remaining functions must be unary.
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27 | *
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28 | * **Note:** The result of pipeWith is not automatically curried. Transforming function is not used on the
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29 | * first argument.
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30 | *
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31 | * @func
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32 | * @memberOf R
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33 | * @since v0.26.0
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34 | * @category Function
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35 | * @sig ((* -> *), [((a, b, ..., n) -> o), (o -> p), ..., (x -> y), (y -> z)]) -> ((a, b, ..., n) -> z)
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36 | * @param {Function} transformer The transforming function
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37 | * @param {Array} functions The functions to pipe
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38 | * @return {Function}
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39 | * @see R.composeWith, R.pipe
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40 | * @example
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41 | *
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42 | * const pipeWhileNotNil = R.pipeWith((f, res) => R.isNil(res) ? res : f(res));
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43 | * const f = pipeWhileNotNil([Math.pow, R.negate, R.inc])
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44 | *
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45 | * f(3, 4); // -(3^4) + 1
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46 | * @symb R.pipeWith(f)([g, h, i])(...args) = f(i, f(h, g(...args)))
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47 | */
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48 |
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49 |
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50 | var pipeWith =
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51 | /*#__PURE__*/
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52 | _curry2(function pipeWith(xf, list) {
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53 | if (list.length <= 0) {
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54 | return identity;
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55 | }
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56 |
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57 | var headList = head(list);
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58 | var tailList = tail(list);
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59 | return _arity(headList.length, function () {
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60 | return _reduce(function (result, f) {
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61 | return xf.call(this, f, result);
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62 | }, headList.apply(this, arguments), tailList);
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63 | });
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64 | });
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65 |
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66 | module.exports = pipeWith; |
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