@nick/is/primitive

isPrimitive

Signature

function isPrimitive(it: unknown): it is Primitive;

Checks if a given value is a primitive string, number, bigint, boolean, symbol, null, or undefined.

Parameters

Name	Info
it	The value to check.

Returns

true if the value is a primitive, false otherwise.

Category

Primitives

Examples

import { isPrimitive } from "jsr:@nick/is/primitive";

isPrimitive("foo"); // true
isPrimitive(42); // true
isPrimitive(BigInt(42)); // true
isPrimitive(true); // true
isPrimitive(Symbol("foo")); // true
isPrimitive(null); // true
isPrimitive(undefined); // true

isPrimitive({}); // false
isPrimitive(new String("foo")); // false
isPrimitive(new Number(42)); // false
isPrimitive(new Boolean(true)); // false

Primitive

Signature

export type Primitive =
  | string
  | number
  | bigint
  | boolean
  | symbol
  | null
  | undefined;

Represents a primitive value. This includes strings, numbers, bigints, booleans, symbols, null, and undefined.

Category

Primitives