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57 lines
1.6 KiB
57 lines
1.6 KiB
var arrayMap = require('./_arrayMap'),
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baseClone = require('./_baseClone'),
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baseUnset = require('./_baseUnset'),
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castPath = require('./_castPath'),
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copyObject = require('./_copyObject'),
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customOmitClone = require('./_customOmitClone'),
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flatRest = require('./_flatRest'),
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getAllKeysIn = require('./_getAllKeysIn');
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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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module.exports = omit;
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