Type Alias Promisable<T>

Promisable: T | Promise<T>

Represents a value that may or may not be wrapped in a Promise.

Useful for APIs accepting both synchronous values and promises.

Type Parameters

T
The underlying value type.

Example

async function process(input: Promisable<string>): Promise<number> {
    const value = await input;
    return value.length;
}

process("hello");                  // Synchronous value
process(Promise.resolve("hello")); // Promise