string - nberlette/is GitHub Wiki

@nick/is/string

isString

Signature

function isString(it: unknown): it is string;

Checks if the given value is a string.

Parameters
Name Info
it The value to check.
Returns

true if the value is a string, false otherwise.

Category

Primitives

Examples

import { isString } from "jsr:@nick/is/string";

const x: unknown = "hello";
if (isString(x)) {
  console.log(x.toUpperCase());
  //          ^? const x: string
}