1 | import arrayEach from './_arrayEach.js';
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2 | import arrayIncludes from './_arrayIncludes.js';
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3 |
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4 | /** Used to compose bitmasks for function metadata. */
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5 | var WRAP_BIND_FLAG = 1,
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6 | WRAP_BIND_KEY_FLAG = 2,
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7 | WRAP_CURRY_FLAG = 8,
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8 | WRAP_CURRY_RIGHT_FLAG = 16,
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9 | WRAP_PARTIAL_FLAG = 32,
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10 | WRAP_PARTIAL_RIGHT_FLAG = 64,
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11 | WRAP_ARY_FLAG = 128,
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12 | WRAP_REARG_FLAG = 256,
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13 | WRAP_FLIP_FLAG = 512;
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14 |
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15 | /** Used to associate wrap methods with their bit flags. */
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16 | var wrapFlags = [
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17 | ['ary', WRAP_ARY_FLAG],
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18 | ['bind', WRAP_BIND_FLAG],
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19 | ['bindKey', WRAP_BIND_KEY_FLAG],
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20 | ['curry', WRAP_CURRY_FLAG],
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21 | ['curryRight', WRAP_CURRY_RIGHT_FLAG],
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22 | ['flip', WRAP_FLIP_FLAG],
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23 | ['partial', WRAP_PARTIAL_FLAG],
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24 | ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
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25 | ['rearg', WRAP_REARG_FLAG]
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26 | ];
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27 |
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28 | /**
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29 | * Updates wrapper `details` based on `bitmask` flags.
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30 | *
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31 | * @private
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32 | * @returns {Array} details The details to modify.
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33 | * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
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34 | * @returns {Array} Returns `details`.
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35 | */
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36 | function updateWrapDetails(details, bitmask) {
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37 | arrayEach(wrapFlags, function(pair) {
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38 | var value = '_.' + pair[0];
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39 | if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
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40 | details.push(value);
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41 | }
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42 | });
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43 | return details.sort();
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44 | }
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45 |
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46 | export default updateWrapDetails;
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