Type-validate

Check an object against predefined schema.

Example

Sample typings definition:

{
  name: 'string',
  age: 'number',
  height: 'number?',
  isDeveloper: 'boolean',
  birthDate: 'date|number',
  address: {
    country: 'string?',
    city: 'string',
  },
  posts: [{
    title: 'string'
  }, true],

}

It supports:

• primitive types - string, number, boolean, date, and undefined
• optional types, defined with ?
• union types, defined with |
• array types, defined as [arrayItemType, canArrayBeUndefined]