1 | import _curry1 from "./internal/_curry1.js";
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2 | import _isArray from "./internal/_isArray.js";
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3 | import apply from "./apply.js";
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4 | import curryN from "./curryN.js";
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5 | import max from "./max.js";
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6 | import pluck from "./pluck.js";
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7 | import reduce from "./reduce.js";
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8 | import keys from "./keys.js";
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9 | import values from "./values.js"; // Use custom mapValues function to avoid issues with specs that include a "map" key and R.map
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10 | // delegating calls to .map
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11 |
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12 | function mapValues(fn, obj) {
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13 | return _isArray(obj) ? obj.map(fn) : keys(obj).reduce(function (acc, key) {
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14 | acc[key] = fn(obj[key]);
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15 | return acc;
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16 | }, {});
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17 | }
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18 | /**
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19 | * Given a spec object recursively mapping properties to functions, creates a
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20 | * function producing an object of the same structure, by mapping each property
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21 | * to the result of calling its associated function with the supplied arguments.
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22 | *
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23 | * @func
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24 | * @memberOf R
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25 | * @since v0.20.0
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26 | * @category Function
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27 | * @sig {k: ((a, b, ..., m) -> v)} -> ((a, b, ..., m) -> {k: v})
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28 | * @param {Object} spec an object recursively mapping properties to functions for
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29 | * producing the values for these properties.
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30 | * @return {Function} A function that returns an object of the same structure
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31 | * as `spec', with each property set to the value returned by calling its
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32 | * associated function with the supplied arguments.
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33 | * @see R.converge, R.juxt
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34 | * @example
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35 | *
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36 | * const getMetrics = R.applySpec({
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37 | * sum: R.add,
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38 | * nested: { mul: R.multiply }
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39 | * });
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40 | * getMetrics(2, 4); // => { sum: 6, nested: { mul: 8 } }
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41 | * @symb R.applySpec({ x: f, y: { z: g } })(a, b) = { x: f(a, b), y: { z: g(a, b) } }
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42 | */
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43 |
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44 |
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45 | var applySpec =
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46 | /*#__PURE__*/
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47 | _curry1(function applySpec(spec) {
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48 | spec = mapValues(function (v) {
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49 | return typeof v == 'function' ? v : applySpec(v);
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50 | }, spec);
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51 | return curryN(reduce(max, 0, pluck('length', values(spec))), function () {
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52 | var args = arguments;
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53 | return mapValues(function (f) {
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54 | return apply(f, args);
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55 | }, spec);
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56 | });
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57 | });
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58 |
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59 | export default applySpec; |
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