1 | var _curry1 =
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2 | /*#__PURE__*/
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3 | require("./internal/_curry1");
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4 |
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5 | var _has =
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6 | /*#__PURE__*/
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7 | require("./internal/_has");
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8 |
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9 | var keys =
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10 | /*#__PURE__*/
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11 | require("./keys");
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12 | /**
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13 | * Same as [`R.invertObj`](#invertObj), however this accounts for objects with
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14 | * duplicate values by putting the values into an array.
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15 | *
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16 | * @func
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17 | * @memberOf R
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18 | * @since v0.9.0
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19 | * @category Object
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20 | * @sig {s: x} -> {x: [ s, ... ]}
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21 | * @param {Object} obj The object or array to invert
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22 | * @return {Object} out A new object with keys in an array.
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23 | * @see R.invertObj
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24 | * @example
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25 | *
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26 | * const raceResultsByFirstName = {
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27 | * first: 'alice',
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28 | * second: 'jake',
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29 | * third: 'alice',
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30 | * };
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31 | * R.invert(raceResultsByFirstName);
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32 | * //=> { 'alice': ['first', 'third'], 'jake':['second'] }
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33 | */
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34 |
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35 |
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36 | var invert =
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37 | /*#__PURE__*/
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38 | _curry1(function invert(obj) {
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39 | var props = keys(obj);
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40 | var len = props.length;
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41 | var idx = 0;
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42 | var out = {};
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43 |
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44 | while (idx < len) {
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45 | var key = props[idx];
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46 | var val = obj[key];
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47 | var list = _has(val, out) ? out[val] : out[val] = [];
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48 | list[list.length] = key;
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49 | idx += 1;
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50 | }
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51 |
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52 | return out;
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53 | });
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54 |
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55 | module.exports = invert; |
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