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47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
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var arrayEach = require('./_arrayEach'),
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arrayIncludes = require('./_arrayIncludes');
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/** Used to compose bitmasks for function metadata. */
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var WRAP_BIND_FLAG = 1,
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WRAP_BIND_KEY_FLAG = 2,
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WRAP_CURRY_FLAG = 8,
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WRAP_CURRY_RIGHT_FLAG = 16,
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WRAP_PARTIAL_FLAG = 32,
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WRAP_PARTIAL_RIGHT_FLAG = 64,
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WRAP_ARY_FLAG = 128,
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WRAP_REARG_FLAG = 256,
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WRAP_FLIP_FLAG = 512;
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/** Used to associate wrap methods with their bit flags. */
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var wrapFlags = [
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['ary', WRAP_ARY_FLAG],
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['bind', WRAP_BIND_FLAG],
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['bindKey', WRAP_BIND_KEY_FLAG],
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['curry', WRAP_CURRY_FLAG],
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['curryRight', WRAP_CURRY_RIGHT_FLAG],
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['flip', WRAP_FLIP_FLAG],
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['partial', WRAP_PARTIAL_FLAG],
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['partialRight', WRAP_PARTIAL_RIGHT_FLAG],
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['rearg', WRAP_REARG_FLAG]
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];
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/**
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* Updates wrapper `details` based on `bitmask` flags.
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*
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* @private
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* @returns {Array} details The details to modify.
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* @param {number} bitmask The bitmask flags. See `createWrap` for more details.
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* @returns {Array} Returns `details`.
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*/
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function updateWrapDetails(details, bitmask) {
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arrayEach(wrapFlags, function(pair) {
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var value = '_.' + pair[0];
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if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
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details.push(value);
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}
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});
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return details.sort();
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}
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module.exports = updateWrapDetails;
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