schematis v0.6.2

SCHEMATIS

Yes, I'm trying to create a JOI alternative more functional, and browser compatible.

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Install

Usual way npm install schematis

Usage

It has many things to do but is it a good begin

Type String

Number rules validators

• minLength(minLength: number, message: string): Minimum length
• maxLength(maxLength: number, message: string): Maximum length
• regular(reg: RegExp, message: string): Test regular expression
• email(message: string): Test an Email regular expression

import types, { isRequired } from 'schematis'

const name = 'Ariel Pchara'
const country = ''
const city = 123

const checkRequiredString = types.string('Should be an string')(
  isRequired("This string can't be empty")
)

checkRequiredString(name) // null - because has no errors
checkRequiredString(country) // [{type: 'required', error: 'This string can\'t be empty'}] - is an empty string
checkRequiredString(city) // [{type: 'string', error: 'Should be an string'}] - is not a string

Type Number

Number rules validators

• min(minValue: number, message: string): Minimum value
• max(maxValue: number, message: string): Maximum value
• pair(message: string): Pair number
• odd(message: string): Odd number

import types, { pair } from 'schematis'

const age = 35

const checkNumber = types.number('Should be a number')
const checkNumberPair = checkNumber(pair())

checkNumber()(age) // null -  its a number
checkNumberPair(age) // [{type: 'pair', error: true}] - its a number
checkNumberPair(20) // null -  20 is a pair number

Type Object

import types, { key, isRequired } from 'schematis'

const user = {
  name: 'Ariel Pchara',
  country: '',
  city: 123
}

const checkRequiredString = types.string('Should be an string')(
  isRequired("This string can't be empty")
)

const checkUserObject = types.object('Should be an object')(
  key('name')(checkRequiredString),
  key('country')(checkRequiredString),
  key('city')(checkRequiredString),
)

checkUserObject(user)
/**
 * [
 *  {type: 'key', ref: 'country', error: [{type: 'required': error: 'This string can't be empty'}] }
 *  {type: 'key', ref: 'city', error: [{type: 'string': error: 'Should be an string'}] }
 * ]
 * /

Type Array

import types, { elementType, isRequired } from 'schematis'

const arrayScheme = types.array()(
  elementType(types.number()(
    min(0), max(10)
  )
))

arrayScheme([4, 5, 10, 9.6])
// null
arrayScheme([4, 5, 100, 9.6])
/**
 * [
 *  {type: 'elementType', ref: 100, error: [{type: 'max': error: true}] }
 * ]
 * /

Other Types

• boolean
• date