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x/ramda/source/mergeDeepWith.js

:ram: Practical functional Javascript
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import _curry3 from './internal/_curry3.js';import mergeDeepWithKey from './mergeDeepWithKey.js';

/** * Creates a new object with the own properties of the two provided objects. * If a key exists in both objects: * - and both associated values are also objects then the values will be * recursively merged. * - otherwise the provided function is applied to associated values using the * resulting value as the new value associated with the key. * If a key only exists in one object, the value will be associated with the key * of the resulting object. * * @func * @memberOf R * @since v0.24.0 * @category Object * @sig ((a, a) -> a) -> {a} -> {a} -> {a} * @param {Function} fn * @param {Object} lObj * @param {Object} rObj * @return {Object} * @see R.mergeWith, R.mergeDeepWithKey * @example * * R.mergeDeepWith(R.concat, * { a: true, c: { values: [10, 20] }}, * { b: true, c: { values: [15, 35] }}); * //=> { a: true, b: true, c: { values: [10, 20, 15, 35] }} */var mergeDeepWith = _curry3(function mergeDeepWith(fn, lObj, rObj) { return mergeDeepWithKey(function(k, lVal, rVal) { return fn(lVal, rVal); }, lObj, rObj);});export default mergeDeepWith;