Zod

const userSchema = z.object({
  name: z.string(),
  email: z.string().email(),
  age: z.number().min(18),
})

const user = userSchema.parse({
  name: 'John Doe',
  email: 'john.doe@example.com',
  age: 25,
})

const user = userSchema.safeParse({
  name: 'John Doe',
  email: 'john.doe@example.com',
  age: 25,
})

const sampleSchema = z.object({
  // String type with min length validation
  name: z.string().min(2),

  // Number type with range validation
  age: z.number().min(18).max(120),

  // Boolean type
  isActive: z.boolean(),

  // Null type
  emptyField: z.null(),

  // Undefined type
  optionalField: z.undefined(),

  // BigInt type
  largeNumber: z.bigint(),

  // Symbol type
  uniqueId: z.symbol(),

  // Literal type
  status: z.literal('active'),

  // Object type
  address: z.object({
    street: z.string(),
    city: z.string(),
  }),

  // Union type
  contact: z.union([
    z.string().email(),
    z.string().regex(/^\+\d{1,3}-\d{3,14}$/), // Phone number
  ]),
})

const sample = sampleSchema.parse({
  name: 'John Doe',
  age: 25,
})