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type FixedSizeArray<T extends number, U> = T extends 0
? void[]
: ReadonlyArray<U> & {
0: U;
length: T;
};
type Measure<T extends number> = T extends 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8
? T
: never;
type Append<T extends any[], U> = {
0: [U];
1: [T[0], U];
2: [T[0], T[1], U];
3: [T[0], T[1], T[2], U];
4: [T[0], T[1], T[2], T[3], U];
5: [T[0], T[1], T[2], T[3], T[4], U];
6: [T[0], T[1], T[2], T[3], T[4], T[5], U];
7: [T[0], T[1], T[2], T[3], T[4], T[5], T[6], U];
8: [T[0], T[1], T[2], T[3], T[4], T[5], T[6], T[7], U];
}[Measure<T["length"]>];
type AsArray<T> = T extends any[] ? T : [T];
declare class UnsetAdditionalOptions {
_UnsetAdditionalOptions: true
}
type IfSet<X> = X extends UnsetAdditionalOptions ? {} : X;
type Callback<E, T> = (error: E | null, result?: T) => void;
type InnerCallback<E, T> = (error?: E | null | false, result?: T) => void;
type FullTap = Tap & {
type: "sync" | "async" | "promise",
fn: Function
}
type Tap = TapOptions & {
name: string;
};
type TapOptions = {
before?: string;
stage?: number;
};
interface HookInterceptor<T, R, AdditionalOptions = UnsetAdditionalOptions> {
name?: string;
tap?: (tap: FullTap & IfSet<AdditionalOptions>) => void;
call?: (...args: any[]) => void;
loop?: (...args: any[]) => void;
error?: (err: Error) => void;
result?: (result: R) => void;
done?: () => void;
register?: (tap: FullTap & IfSet<AdditionalOptions>) => FullTap & IfSet<AdditionalOptions>;
}
type ArgumentNames<T extends any[]> = FixedSizeArray<T["length"], string>;
declare class Hook<T, R, AdditionalOptions = UnsetAdditionalOptions> {
constructor(args?: ArgumentNames<AsArray<T>>, name?: string);
name: string | undefined;
intercept(interceptor: HookInterceptor<T, R, AdditionalOptions>): void;
isUsed(): boolean;
callAsync(...args: Append<AsArray<T>, Callback<Error, R>>): void;
promise(...args: AsArray<T>): Promise<R>;
tap(options: string | Tap & IfSet<AdditionalOptions>, fn: (...args: AsArray<T>) => R): void;
withOptions(options: TapOptions & IfSet<AdditionalOptions>): Hook<T, R>;
}
export class SyncHook<T, R = void, AdditionalOptions = UnsetAdditionalOptions> extends Hook<T, R, AdditionalOptions> {
call(...args: AsArray<T>): R;
}
export class SyncBailHook<T, R, AdditionalOptions = UnsetAdditionalOptions> extends SyncHook<T, R, AdditionalOptions> {}
export class SyncLoopHook<T, AdditionalOptions = UnsetAdditionalOptions> extends SyncHook<T, void, AdditionalOptions> {}
export class SyncWaterfallHook<T, AdditionalOptions = UnsetAdditionalOptions> extends SyncHook<T, AsArray<T>[0], AdditionalOptions> {}
declare class AsyncHook<T, R, AdditionalOptions = UnsetAdditionalOptions> extends Hook<T, R, AdditionalOptions> {
tapAsync(
options: string | Tap & IfSet<AdditionalOptions>,
fn: (...args: Append<AsArray<T>, InnerCallback<Error, R>>) => void
): void;
tapPromise(
options: string | Tap & IfSet<AdditionalOptions>,
fn: (...args: AsArray<T>) => Promise<R>
): void;
}
export class AsyncParallelHook<T, AdditionalOptions = UnsetAdditionalOptions> extends AsyncHook<T, void, AdditionalOptions> {}
export class AsyncParallelBailHook<T, R, AdditionalOptions = UnsetAdditionalOptions> extends AsyncHook<T, R, AdditionalOptions> {}
export class AsyncSeriesHook<T, AdditionalOptions = UnsetAdditionalOptions> extends AsyncHook<T, void, AdditionalOptions> {}
export class AsyncSeriesBailHook<T, R, AdditionalOptions = UnsetAdditionalOptions> extends AsyncHook<T, R, AdditionalOptions> {}
export class AsyncSeriesLoopHook<T, AdditionalOptions = UnsetAdditionalOptions> extends AsyncHook<T, void, AdditionalOptions> {}
export class AsyncSeriesWaterfallHook<T, AdditionalOptions = UnsetAdditionalOptions> extends AsyncHook<T, AsArray<T>[0], AdditionalOptions> {}
type HookFactory<H> = (key: any, hook?: H) => H;
interface HookMapInterceptor<H> {
factory?: HookFactory<H>;
}
export class HookMap<H> {
constructor(factory: HookFactory<H>, name?: string);
name: string | undefined;
get(key: any): H | undefined;
for(key: any): H;
intercept(interceptor: HookMapInterceptor<H>): void;
}
export class MultiHook<H> {
constructor(hooks: H[], name?: string);
name: string | undefined;
tap(options: string | Tap, fn?: Function): void;
tapAsync(options: string | Tap, fn?: Function): void;
tapPromise(options: string | Tap, fn?: Function): void;
}
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