1 | var _curry2 =
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2 | /*#__PURE__*/
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3 | require("./internal/_curry2.js");
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4 |
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5 | var _isArray =
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6 | /*#__PURE__*/
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7 | require("./internal/_isArray.js");
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8 |
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9 | var _map =
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10 | /*#__PURE__*/
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11 | require("./internal/_map.js");
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12 |
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13 | var _assoc =
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14 | /*#__PURE__*/
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15 | require("./internal/_assoc.js");
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16 | /**
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17 | *
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18 | * Deconstructs an array field from the input documents to output a document for each element.
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19 | * Each output document is the input document with the value of the array field replaced by the element.
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20 | *
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21 | * @func
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22 | * @memberOf R
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23 | * @since v0.28.0
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24 | * @category Object
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25 | * @sig String -> {k: [v]} -> [{k: v}]
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26 | * @param {String} key The key to determine which property of the object should be unwind
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27 | * @param {Object} object The object containing list under property named as key which is to unwind
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28 | * @return {List} A new list of object containing the value of input key having list replaced by each element in the object.
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29 | * @example
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30 | *
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31 | * R.unwind('hobbies', {
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32 | * name: 'alice',
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33 | * hobbies: ['Golf', 'Hacking'],
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34 | * colors: ['red', 'green'],
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35 | * });
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36 | * // [
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37 | * // { name: 'alice', hobbies: 'Golf', colors: ['red', 'green'] },
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38 | * // { name: 'alice', hobbies: 'Hacking', colors: ['red', 'green'] }
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39 | * // ]
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40 | */
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41 |
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42 |
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43 | var unwind =
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44 | /*#__PURE__*/
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45 | _curry2(function (key, object) {
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46 | // If key is not in object or key is not as a list in object
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47 | if (!(key in object && _isArray(object[key]))) {
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48 | return [object];
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49 | } // Map over object[key] which is a list and assoc each element with key
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50 |
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51 |
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52 | return _map(function (item) {
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53 | return _assoc(key, item, object);
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54 | }, object[key]);
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55 | });
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56 |
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57 | module.exports = unwind; |
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