https://github.com/massivefermion/hays

find the dot path and value of a key of a specific name or pattern deep inside an object and transform or replace it
https://github.com/massivefermion/hays

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find the dot path and value of a key of a specific name or pattern deep inside an object and transform or replace it

• Host: GitHub
• URL: https://github.com/massivefermion/hays
• Owner: massivefermion
• Created: 2021-12-05T16:18:14.000Z (about 3 years ago)
• Default Branch: main
• Last Pushed: 2022-02-09T08:54:11.000Z (almost 3 years ago)
• Last Synced: 2024-11-15T22:46:05.197Z (about 2 months ago)
• Language: TypeScript
• Homepage: https://www.npmjs.com/package/hays
• Size: 8.79 KB
• Stars: 0
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# hays

find the dot path and value of a key of a specific name or pattern deep inside an object and transform or replace it.

## Install

`npm install hays`

## Usage

```javascript

const hays = require('hays')

const book = {

  isbn: '123-456-222',

  title: 'The Ultimate Database Study Guide',

  category: ['Non-Fiction', 'Technology'],

  author: {

    lastname: 'Windler',

    firstname: 'Dianne',

  },

  editor: {

    lastname: 'Smith',

    firstname: 'Felicity',

  },

}

hays.find(book, 'firstname').then(console.log)

// [

//  { path: 'author.firstname', data: { value: 'Dianne' } },

//  { path: 'editor.firstname', data: { value: 'Felicity' } }

// ]

hays.find(book, /.*name/).then(console.log)

// [

//   { path: 'author.lastname', data: { value: 'Windler' } },

//   { path: 'author.firstname', data: { value: 'Dianne' } },

//   { path: 'editor.lastname', data: { value: 'Smith' } },

//   { path: 'editor.firstname', data: { value: 'Felicity' } }

// ]

hays.find(book, 'title', { transform: s => s.toLowerCase() }).then(console.log)

// [

//   {

//     path: 'title',

//     data: {

//       value: 'The Ultimate Database Study Guide',

//       transformed: 'the ultimate database study guide',

//     },

//   }

// ]

hays.replace(book, 'category', c => c.concat('Educational')).then(console.log)

// [

//   {

//     path: 'category',

//     data: {

//       old: [ 'Non-Fiction', 'Technology' ],

//       new: [ 'Non-Fiction', 'Technology', 'Educational' ]

//     }

//   }

// ]

console.log(book)

// {

//   isbn: '123-456-222',

//   title: 'The Ultimate Database Study Guide',

//   category: ['Non-Fiction', 'Technology', 'Educational'],

//   author: { lastname: 'Windler', firstname: 'Dianne' },

//   editor: { lastname: 'Smith', firstname: 'Felicity' },

// }

```