1 | import _curry3 from "./internal/_curry3.js";
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2 | import _dispatchable from "./internal/_dispatchable.js";
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3 | import _promap from "./internal/_promap.js";
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4 | import _xpromap from "./internal/_xpromap.js";
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5 | /**
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6 | * Takes two functions as pre- and post- processors respectively for a third function,
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7 | * i.e. `promap(f, g, h)(x) === g(h(f(x)))`.
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8 | *
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9 | * Dispatches to the `promap` method of the third argument, if present,
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10 | * according to the [FantasyLand Profunctor spec](https://github.com/fantasyland/fantasy-land#profunctor).
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11 | *
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12 | * Acts as a transducer if a transformer is given in profunctor position.
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13 | *
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14 | * @func
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15 | * @memberOf R
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16 | * @since v0.28.0
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17 | * @category Function
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18 | * @sig (a -> b) -> (c -> d) -> (b -> c) -> (a -> d)
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19 | * @sig Profunctor p => (a -> b) -> (c -> d) -> p b c -> p a d
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20 | * @param {Function} f The preprocessor function, a -> b
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21 | * @param {Function} g The postprocessor function, c -> d
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22 | * @param {Profunctor} profunctor The profunctor instance to be promapped, e.g. b -> c
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23 | * @return {Profunctor} The new profunctor instance, e.g. a -> d
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24 | * @see R.transduce
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25 | * @example
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26 | *
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27 | * const decodeChar = R.promap(s => s.charCodeAt(), String.fromCharCode, R.add(-8))
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28 | * const decodeString = R.promap(R.split(''), R.join(''), R.map(decodeChar))
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29 | * decodeString("ziuli") //=> "ramda"
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30 | *
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31 | * @symb R.promap(f, g, h) = x => g(h(f(x)))
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32 | * @symb R.promap(f, g, profunctor) = profunctor.promap(f, g)
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33 | */
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34 |
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35 | var promap =
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36 | /*#__PURE__*/
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37 | _curry3(
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38 | /*#__PURE__*/
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39 | _dispatchable(['fantasy-land/promap', 'promap'], _xpromap, _promap));
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40 |
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41 | export default promap; |
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