You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
1.0 KiB
37 lines
1.0 KiB
import arrayMap from './_arrayMap.js'; |
|
import baseIteratee from './_baseIteratee.js'; |
|
import basePickBy from './_basePickBy.js'; |
|
import getAllKeysIn from './_getAllKeysIn.js'; |
|
|
|
/** |
|
* Creates an object composed of the `object` properties `predicate` returns |
|
* truthy for. The predicate is invoked with two arguments: (value, key). |
|
* |
|
* @static |
|
* @memberOf _ |
|
* @since 4.0.0 |
|
* @category Object |
|
* @param {Object} object The source object. |
|
* @param {Function} [predicate=_.identity] The function invoked per property. |
|
* @returns {Object} Returns the new object. |
|
* @example |
|
* |
|
* var object = { 'a': 1, 'b': '2', 'c': 3 }; |
|
* |
|
* _.pickBy(object, _.isNumber); |
|
* // => { 'a': 1, 'c': 3 } |
|
*/ |
|
function pickBy(object, predicate) { |
|
if (object == null) { |
|
return {}; |
|
} |
|
var props = arrayMap(getAllKeysIn(object), function(prop) { |
|
return [prop]; |
|
}); |
|
predicate = baseIteratee(predicate); |
|
return basePickBy(object, props, function(value, path) { |
|
return predicate(value, path[0]); |
|
}); |
|
} |
|
|
|
export default pickBy;
|
|
|