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57 lines
1.6 KiB
57 lines
1.6 KiB
import arrayMap from './_arrayMap.js'; |
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import baseClone from './_baseClone.js'; |
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import baseUnset from './_baseUnset.js'; |
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import castPath from './_castPath.js'; |
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import copyObject from './_copyObject.js'; |
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import customOmitClone from './_customOmitClone.js'; |
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import flatRest from './_flatRest.js'; |
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import getAllKeysIn from './_getAllKeysIn.js'; |
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/** Used to compose bitmasks for cloning. */ |
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var CLONE_DEEP_FLAG = 1, |
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CLONE_FLAT_FLAG = 2, |
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CLONE_SYMBOLS_FLAG = 4; |
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/** |
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* The opposite of `_.pick`; this method creates an object composed of the |
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* own and inherited enumerable property paths of `object` that are not omitted. |
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* |
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* **Note:** This method is considerably slower than `_.pick`. |
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* |
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* @static |
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* @since 0.1.0 |
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* @memberOf _ |
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* @category Object |
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* @param {Object} object The source object. |
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* @param {...(string|string[])} [paths] The property paths to omit. |
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* @returns {Object} Returns the new object. |
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* @example |
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* |
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* var object = { 'a': 1, 'b': '2', 'c': 3 }; |
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* |
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* _.omit(object, ['a', 'c']); |
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* // => { 'b': '2' } |
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*/ |
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var omit = flatRest(function(object, paths) { |
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var result = {}; |
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if (object == null) { |
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return result; |
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} |
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var isDeep = false; |
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paths = arrayMap(paths, function(path) { |
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path = castPath(path, object); |
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isDeep || (isDeep = path.length > 1); |
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return path; |
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}); |
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copyObject(object, getAllKeysIn(object), result); |
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if (isDeep) { |
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result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone); |
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} |
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var length = paths.length; |
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while (length--) { |
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baseUnset(result, paths[length]); |
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} |
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return result; |
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}); |
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export default omit;
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