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/**
* Copyright 2015-present Facebook. All Rights Reserved.
*
* @providesModule partitionObject
* @typechecks
* @flow
*/
'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<Tv>(object: { [key: string]: Tv }, callback: (value: Tv, key: string, object: { [key: string]: Tv }) => boolean, context?: any): [{ [key: string]: Tv }, { [key: string]: Tv }] {
var first = {};
var second = {};
forEachObject(object, (value, key) => {
if (callback.call(context, value, key, object)) {
first[key] = value;
} else {
second[key] = value;
}
});
return [first, second];
}
module.exports = partitionObject;
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