sddd-metatype v0.0.1

Create objects

const { defineType } = require('metatype')

// Type description
const schema = { name: 'string', age: 'number' }

// Define type
const factory = defineType('Human', schema)

// Create object
const human = factory.create({ name: 'John', age: 23 })

// Will throw
// const human = factory.create({ name: 'John', age: '23' })

Validate objects

const { defineType } = require('metatype')

// Type description
const schema = { name: 'string', age: 'number' }

// Define type
const factory = defineType('Human', schema)

// Validate struct (will return true)
factory.validate({ name: 'John', age: 23 })

// Will throw (because age is a string)
// factory.validate({ name: 'John', age: '23' })

Type reference

const { defineType } = require('metatype')

// Define types
const animalFactory = defineType('Animal', { name: 'string', age: 'number' })
const humanFactory = defineType('Human', { name: 'string', age: 'number', pet: 'Animal' })

// Create objects
const pet = animalFactory.create({ name: 'Lex', age: 3 })
const human = humanFactory.create({ name: 'John', age: 23, pet })

// Or
{
  const human = humanFactory.create({ name: 'John', age: 23, pet: { name: 'Lex', age: 3 }})
}

// Validate (will return true)
humanFactory.validate({ name: 'John', age: 23, pet: { name: 'Lex', age: 3 }})

// Will throw (because age is a string)
// humanFactory.validate({ name: 'John', age: 23, pet: { name: 'Lex', age: '3' }})

Native objects reference

const { defineType } = require('metatype')

// Define type
const factory = defineType('MyType', { id: 'number', items: Array })

// Create object
const obj = factory.create({ id: 1, items: [1, 2, 3]})