Primitive

Primitive = string | number | boolean | symbol | bigint | null | undefined

Union of all JavaScript primitive types.

Useful for type guards and generic constraints.

Since

2.0.0

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Example

function isPrimitive(value: unknown): value is Primitive {
  return value === null || (typeof value !== "object" && typeof value !== "function");
}

isPrimitive("hello"); // true
isPrimitive(42); // true
isPrimitive({}); // false
isPrimitive([]); // false