|
|
import { Constructor } from "../interfaces";
|
|
|
|
|
|
export interface InjectOptions {
|
|
|
lazy?: boolean;
|
|
|
}
|
|
|
|
|
|
interface Dependency<K extends keyof any> {
|
|
|
$dependency: K;
|
|
|
|
|
|
lazy?: boolean;
|
|
|
}
|
|
|
|
|
|
interface Lazy<K extends keyof any> extends Dependency<K> {
|
|
|
lazy: true;
|
|
|
}
|
|
|
|
|
|
type Setter<T = any> = (v: T) => void;
|
|
|
|
|
|
type Compatible<T1, T2> = T1 extends T2 ? any : never;
|
|
|
|
|
|
type ExtractService<K, S> = K extends keyof S ? S[K] : K;
|
|
|
|
|
|
type ExtractDependency<D, S> = D extends { $dependency: infer K } ? D extends { lazy: true } ? () => ExtractService<K, S> : ExtractService<K, S> : VisitDependency<D, S>;
|
|
|
|
|
|
type VisitDependency<D, S> = D extends {} ? { [K in keyof D]: ExtractDependency<D[K], S> } : D;
|
|
|
|
|
|
interface Config<S> {
|
|
|
dependency<K extends keyof S>(name: K): Dependency<K>;
|
|
|
|
|
|
lazy<K extends keyof S>(name: K): Lazy<K>;
|
|
|
|
|
|
build<T>(): Builder<T, S>;
|
|
|
}
|
|
|
|
|
|
export declare function services<S extends object>(): Config<S>;
|
|
|
|
|
|
export class Builder<T, S> {
|
|
|
consume<P extends any[]>(...args: P) {
|
|
|
return <C extends new (...args: ExtractDependency<P, S>) => T>(constructor: C) => {
|
|
|
return constructor;
|
|
|
};
|
|
|
}
|
|
|
|
|
|
inject<K extends keyof S>(dependency: K) {
|
|
|
// K = "bar"
|
|
|
// M = "setValue"
|
|
|
// S[K] = Bar
|
|
|
// T[M] = (value: string) => void
|
|
|
// P[m] = (value: V) => void
|
|
|
return <P, M extends keyof (T | P)>(target: P, memberName: M, descriptor: TypedPropertyDescriptor<Compatible<T[M], Setter<S[K]>>>) => {
|
|
|
|
|
|
};
|
|
|
}
|
|
|
|
|
|
cast<T2 extends T>(): Builder<T2, S> {
|
|
|
return this as Builder<T2, S>;
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
