45 lines
1.5 KiB
JavaScript
45 lines
1.5 KiB
JavaScript
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import _curry3 from "./internal/_curry3.js";
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import _isObject from "./internal/_isObject.js";
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import mergeWithKey from "./mergeWithKey.js";
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/**
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* Creates a new object with the own properties of the two provided objects.
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* If a key exists in both objects:
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* - and both associated values are also objects then the values will be
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* recursively merged.
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* - otherwise the provided function is applied to the key and associated values
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* using the resulting value as the new value associated with the key.
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* If a key only exists in one object, the value will be associated with the key
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* of the resulting object.
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*
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* @func
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* @memberOf R
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* @since v0.24.0
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* @category Object
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* @sig ((String, a, a) -> a) -> {a} -> {a} -> {a}
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* @param {Function} fn
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* @param {Object} lObj
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* @param {Object} rObj
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* @return {Object}
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* @see R.mergeWithKey, R.mergeDeepWith
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* @example
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*
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* let concatValues = (k, l, r) => k == 'values' ? R.concat(l, r) : r
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* R.mergeDeepWithKey(concatValues,
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* { a: true, c: { thing: 'foo', values: [10, 20] }},
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* { b: true, c: { thing: 'bar', values: [15, 35] }});
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* //=> { a: true, b: true, c: { thing: 'bar', values: [10, 20, 15, 35] }}
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*/
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var mergeDeepWithKey =
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/*#__PURE__*/
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_curry3(function mergeDeepWithKey(fn, lObj, rObj) {
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return mergeWithKey(function (k, lVal, rVal) {
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if (_isObject(lVal) && _isObject(rVal)) {
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return mergeDeepWithKey(fn, lVal, rVal);
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} else {
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return fn(k, lVal, rVal);
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}
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}, lObj, rObj);
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});
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export default mergeDeepWithKey;
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