1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
// @flow
opaque type Next = Function | void;
opaque type Yield = mixed;
export type Gensync<Args, Return> = {
(...args: Args): Handler<Return>,
sync(...args: Args): Return,
async(...args: Args): Promise<Return>,
// ...args: [...Args, Callback]
errback(...args: any[]): void,
};
export type Handler<Return> = Generator<Yield, Return, Next>;
export type Options<Args, Return> = {
sync(...args: Args): Return,
arity?: number,
name?: string,
} & (
| { async?: (...args: Args) => Promise<Return> }
// ...args: [...Args, Callback]
| { errback(...args: any[]): void }
);
declare module.exports: {
<Args, Return>(
Options<Args, Return> | ((...args: Args) => Handler<Return>)
): Gensync<Args, Return>,
all<Return>(Array<Handler<Return>>): Handler<Return[]>,
race<Return>(Array<Handler<Return>>): Handler<Return>,
};
|
