import _curry1 from "./internal/_curry1.js"; import apply from "./apply.js"; import curryN from "./curryN.js"; import max from "./max.js"; import pluck from "./pluck.js"; import reduce from "./reduce.js"; import keys from "./keys.js"; import values from "./values.js"; // Use custom mapValues function to avoid issues with specs that include a "map" key and R.map // delegating calls to .map function mapValues(fn, obj) { return keys(obj).reduce(function (acc, key) { acc[key] = fn(obj[key]); return acc; }, {}); } /** * Given a spec object recursively mapping properties to functions, creates a * function producing an object of the same structure, by mapping each property * to the result of calling its associated function with the supplied arguments. * * @func * @memberOf R * @since v0.20.0 * @category Function * @sig {k: ((a, b, ..., m) -> v)} -> ((a, b, ..., m) -> {k: v}) * @param {Object} spec an object recursively mapping properties to functions for * producing the values for these properties. * @return {Function} A function that returns an object of the same structure * as `spec', with each property set to the value returned by calling its * associated function with the supplied arguments. * @see R.converge, R.juxt * @example * * const getMetrics = R.applySpec({ * sum: R.add, * nested: { mul: R.multiply } * }); * getMetrics(2, 4); // => { sum: 6, nested: { mul: 8 } } * @symb R.applySpec({ x: f, y: { z: g } })(a, b) = { x: f(a, b), y: { z: g(a, b) } } */ var applySpec = /*#__PURE__*/ _curry1(function applySpec(spec) { spec = mapValues(function (v) { return typeof v == 'function' ? v : applySpec(v); }, spec); return curryN(reduce(max, 0, pluck('length', values(spec))), function () { var args = arguments; return mapValues(function (f) { return apply(f, args); }, spec); }); }); export default applySpec;