import arrayMap from './_arrayMap.js'; | |
import baseClone from './_baseClone.js'; | |
import baseUnset from './_baseUnset.js'; | |
import castPath from './_castPath.js'; | |
import copyObject from './_copyObject.js'; | |
import customOmitClone from './_customOmitClone.js'; | |
import flatRest from './_flatRest.js'; | |
import getAllKeysIn from './_getAllKeysIn.js'; | |
/** 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; | |
}); | |
export default omit; | |