json-type-check

A typechecker for JSON

import Jst from 'json-type-check'

const value = {
 requiredString: 'foo'
}

const schema = Jst.shape({
  requiredString: [
    Jst.string,
    Jst.required
  ],
  optionalInteger: Jst.integer,
  optionalDate: Jst.date,
  optionalEnum: Jst.oneOf([
    Jst.integer,
    Jst.string
  ])
})

const check = new Jst(value, schema)

console.log(check.valid) // true

console.log(check.errors) // []