https://github.com/nju33/abject

Get property value from an object by alias name
https://github.com/nju33/abject

aliases object

Last synced: 4 months ago
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Get property value from an object by alias name

• Host: GitHub
• URL: https://github.com/nju33/abject
• Owner: nju33
• Created: 2018-03-07T02:50:11.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2018-03-07T09:34:22.000Z (over 7 years ago)
• Last Synced: 2025-01-23T00:22:17.216Z (6 months ago)
• Topics: aliases, object
• Language: TypeScript
• Homepage: https://www.npmjs.com/package/abject
• Size: 47.9 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# abject

Get property value from an object by alias name

[![npm: abject](https://img.shields.io/npm/v/abject.svg)](https://www.npmjs.com/package/abject)

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[![TypeScript](https://badges.frapsoft.com/typescript/code/typescript.svg?v=101)](https://github.com/ellerbrock/typescript-badges/)

## Install

```bash

yarn add [-D] abject

```

## Usage

```ts

import abject = require('./abject');

const post = {

  post: {

    id: 1,

    title: 'title',

    url: 'https://example.com',

    category: {

      id: 1,

      name: 'hoge'

    },

    tags: [

      {

        id: 1,

        name: 'foo',

      },

      {

        id: 2,

        name: 'bar',

      }

    ]

  }

}

interface IdealPost {

  id: number

  title: string,

  url: string,

  category: string,

  tags: [string, string]

}

const idealPostAbject = abject as abject.Fn;

/**

 * Register an alias with its actual path

 * `{ alias: actualPath }`

 */

const idealPost = idealPostAbject(post, {

  id: 'post.id',

  title: 'post.title',

  url: 'post.url',

  category: 'post.category.name',

  tags: 'post.tags[].name'

});

const id = idealPost('id')

// const id: number

expect(id).toBe(1);

const category = idealPost('category');

// const category: string

expect(category).toBe('hoge');

const tags = idealPost('tags');

// const tags: [string, string]

expect(tags).toEqual(

  expect.arrayContaining(['foo', 'bar'])

);

```