Type Alias HookCallback<F, FailArgs>

HookCallback: F extends (...args: infer A) => infer R
    ? (
        ...args: [...A, HookContext<A, Awaited<R>, FailArgs>],
    ) => void | EarlyReturnSignal | Promise<void | EarlyReturnSignal>
    : never

Callback type for hooks. Receives spread args + ctx as last param.

Type Parameters

F extends (...args: any[]) => any = (...args: any[]) => any
FailArgs extends unknown[] = [string]

Example

type BeforeRequest = HookCallback<(url: string, opts: RequestInit) => Promise<Response>>;
    // (url: string, opts: RequestInit, ctx: HookContext) => void | EarlyReturnSignal | Promise<...>