Type

Utilities for classifying the type of JavaScript values at runtime.

t

RESCRIPT

type t = [
  | #bigint
  | #boolean
  | #function
  | #number
  | #object
  | #string
  | #symbol
  | #undefined
]

The possible types of JavaScript values.

typeof

RESCRIPT

let typeof: 'a => t

typeof(someValue)

Returns the underlying JavaScript type of any runtime value.

See typeof on MDN.

Examples

RESCRIPT
Console.log(Type.typeof("Hello")) // Logs "string" to the console.

let someVariable = true

switch someVariable->Type.typeof {
| #boolean => Console.log("This is a bool, yay!")
| _ => Console.log("Oh, not a bool sadly...")
}