DataLoader Sort   

> Sort function for DataLoader to ensure the correct data is returned for the matching keys

Installation

npm i -S dataloader-sort

Notes

* If no match is found it will return null for this key
* Includes Flow types

Usage

$3

``
import sort from 'dataloader-sort';

const keys = [1, 2, 3];
const data = [
{ id: 3, value: 'three' },
{ id: 1, value: 'one' },
{ id: 4, value: 'four' },
];

const result = sort(keys, data);
`

##### Output
`
[
{ id: 1, value: 'one' },
null,
{ id: 3, value: 'three' },
]
`

$3


`
const keys = [1, 2, 3];
const data = [
{ other: 3, value: 'three' },
{ other: 1, value: 'one' },
{ other: 2, value: 'two' },
];

const result = sort(keys, data, 'other');
`

##### Output
`
[
{ other: 1, value: 'one' },
{ other: 2, value: 'two' },
{ other: 3, value: 'three' },
]
`

$3


`
const keys = [
{ userId: 1, messageId: 3 },
{ userId: 2, messageId: 4 },
{ userId: 3, messageId: 9 },
{ userId: 3, messageId: 7 },
{ userId: 1, messageId: 2 },
];
const data = [
{ userId: 1, messageId: 2, value: 'yayy' },
{ userId: 3, messageId: 7, value: 'ya' },
{ userId: 1, messageId: 3, value: 'woot' },
{ userId: 2, messageId: 4, value: 'blue' },
{ userId: 3, messageId: 9, value: 'green' },
];

const result = sort(keys, data);
`

##### Output
`
[
{ userId: 1, messageId: 3, value: 'woot' },
{ userId: 2, messageId: 4, value: 'blue' },
{ userId: 3, messageId: 9, value: 'green' },
{ userId: 3, messageId: 7, value: 'ya' },
{ userId: 1, messageId: 2, value: 'yayy' },
]
``