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- import _curry2 from "./internal/_curry2.js";
- import _isArray from "./internal/_isArray.js";
- import _map from "./internal/_map.js";
- import _assoc from "./internal/_assoc.js";
- /**
- *
- * Deconstructs an array field from the input documents to output a document for each element.
- * Each output document is the input document with the value of the array field replaced by the element.
- *
- * @func
- * @memberOf R
- * @since v0.28.0
- * @category Object
- * @sig String -> {k: [v]} -> [{k: v}]
- * @param {String} key The key to determine which property of the object should be unwind
- * @param {Object} object The object containing list under property named as key which is to unwind
- * @return {List} A new list of object containing the value of input key having list replaced by each element in the object.
- * @example
- *
- * R.unwind('hobbies', {
- * name: 'alice',
- * hobbies: ['Golf', 'Hacking'],
- * colors: ['red', 'green'],
- * });
- * // [
- * // { name: 'alice', hobbies: 'Golf', colors: ['red', 'green'] },
- * // { name: 'alice', hobbies: 'Hacking', colors: ['red', 'green'] }
- * // ]
- */
- var unwind =
- /*#__PURE__*/
- _curry2(function (key, object) {
- // If key is not in object or key is not as a list in object
- if (!(key in object && _isArray(object[key]))) {
- return [object];
- } // Map over object[key] which is a list and assoc each element with key
- return _map(function (item) {
- return _assoc(key, item, object);
- }, object[key]);
- });
- export default unwind;
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