30 lines
666 B
JavaScript
30 lines
666 B
JavaScript
/**
|
|
* Copyright 2015-present Facebook. All Rights Reserved.
|
|
*
|
|
* @typechecks
|
|
*
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
var forEachObject = require('./forEachObject');
|
|
|
|
/**
|
|
* Partitions an object given a predicate. All elements satisfying the predicate
|
|
* are part of the first returned object, and all elements that don't are in the
|
|
* second.
|
|
*/
|
|
function partitionObject(object, callback, context) {
|
|
var first = {};
|
|
var second = {};
|
|
forEachObject(object, function (value, key) {
|
|
if (callback.call(context, value, key, object)) {
|
|
first[key] = value;
|
|
} else {
|
|
second[key] = value;
|
|
}
|
|
});
|
|
return [first, second];
|
|
}
|
|
|
|
module.exports = partitionObject; |