https://github.com/hjxenjoy/array2map

https://github.com/hjxenjoy/array2map

Last synced: 10 days ago
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• Host: GitHub
• URL: https://github.com/hjxenjoy/array2map
• Owner: hjxenjoy
• Created: 2021-03-16T07:10:00.000Z (over 3 years ago)
• Default Branch: master
• Last Pushed: 2021-03-16T10:12:01.000Z (over 3 years ago)
• Last Synced: 2024-10-11T15:38:55.000Z (about 1 month ago)
• Language: JavaScript
• Size: 15.6 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# arr2map

transform array to map / array

```sh

# use npm

npm install --save arr2map

# use yarn

yarn add arr2map

```

```js

import { array2item, array2bool, array2children } from 'arr2map'

const arr = [{ id: 1, name: 'hjx' }, { id: 2, name: 'enjoy' }]

const arr2 = ['a', 'b']

const arr3 = [2, 5]

array2bool(arr, 'id')

// { 1: true, 2: true }

array2bool(arr2)

// { a: true, b: true }

array2bool(arr3)

// { 2: true, 5: true }

array2item(arr, 'id')

// { 1: { id: 1, name: 'hjx'}, 2: { id: 2, name: 'enjoy' } }

array2item(arr, item => item.id, item => item.name)

// { 1: 'hjx', 2: 'enjoy' }

array2item(arr3, item => `double-${item}`, item => item * 2)

// { double-2: 4, double-5: 10 }

const arr4 = [{

    id: 1,

    name: 'hjx',

    codes: [{ id: 3, name: 'h' }, { id: 4, name: 'jx' }]

}, {

    id: 2,

    name: 'enjoy',

    codes: [{ id: 5, name: 'en' }, { id: 6, name: 'joy' }]

}]

array2children(arr4, item => item.codes)

// [{ id: 3, name: 'h' }, { id: 4, name: 'jx' }, { id: 5, name: 'en' }, { id: 4, name: 'joy' }]

```