Jafningjar

Compare JavaScript objects to schemas.

Shallow comparison just to check if your data looks to have correct properties. Does not care about values, only object keys.

Install

yarn add jafningjar

Usage

const { matchesSchema } = require('jafningjar')

const book = {
  name: 'Hyperion',
  author: 'Dan Simmons',
}

const otherBook = {
  name: 'The Fall of Hyperion',
  genre: 'scifi',
}

/**
 * Properties expected for object to be "a match"
 */
const schema = {
  name: '',
  author: '',
}

console.log( matchesSchema(book, schema) ) // true
console.log( matchesSchema(otherBook, schema) ) // false

What's in the name?

"Jafningjar" comes from Old Norse word for "jafni", meaning "an equal, or a match". Jafningjar is plural of someones or somethings that are equals or peers.