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