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import { primitive } from "../safe";
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import { TypeRegistration } from "./Configuration";
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export interface InjectOptions {
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lazy?: boolean;
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}
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export interface Dependency<K extends keyof any> {
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$dependency: K;
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lazy?: boolean;
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}
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export interface Lazy<K extends keyof any> extends Dependency<K> {
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lazy: true;
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}
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type Compatible<T1, T2> = T2 extends T1 ? any : never;
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type ExtractService<K, S> = K extends keyof S ? S[K] : K;
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type ExtractDependency<D, S> = D extends { $dependency: infer K } ?
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D extends { lazy: true } ? () => ExtractService<K, S> : ExtractService<K, S> :
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WalkDependencies<D, S>;
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type WalkDependencies<D, S> = D extends primitive ? D :
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{ [K in keyof D]: ExtractDependency<D[K], S> };
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export class Builder<T, S extends object> {
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declare<P extends any[]>(...args: P) {
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return <C extends new (...args: ExtractDependency<P, S>) => T>(constructor: C) => {
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};
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}
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inject<P extends any[]>(...args: P) {
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return <X extends { [m in M]: (...args: any) => any }, M extends keyof (T | X)>(
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target: X,
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memberName: M,
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descriptor: TypedPropertyDescriptor<Compatible<(...args: ExtractDependency<P, S>) => any, T[M]>>
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) => {
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};
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}
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getDescriptor(): TypeRegistration<new () => T, S> {
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throw new Error();
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}
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}
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export interface DependencyOptions<T> {
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optional?: boolean;
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default?: T;
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}
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export interface LazyDependencyOptions<T> extends DependencyOptions<T> {
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lazy: true;
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}
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interface Declaration<S extends object> {
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define<T>(): Builder<T, S>;
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dependency<K extends keyof S>(name: K, opts: LazyDependencyOptions<S[K]>): Lazy<K>;
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dependency<K extends keyof S>(name: K, opts?: DependencyOptions<S[K]>): Dependency<K>;
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configure(): Config<S>;
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}
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type ServiceModule<T, S extends object, M extends string = "service"> = {
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[m in M]: Builder<T, S>;
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};
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type PromiseOrValue<T> = PromiseLike<T> | T;
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export interface Config<S extends object, Y extends keyof S = keyof S> {
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register<K extends Y>(name: K, m: { $from: Promise<ServiceModule<S[K], S>> } | S[K]): Config<S, Exclude<Y, K>>;
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register<K extends Y, M extends string>(name: K, m: { $from: Promise<ServiceModule<S[K], S, M>>, service: M }): Config<S, Exclude<Y, K>>;
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register<K extends Y, C extends new (...args: any) => S[K]>(name: K, d: TypeRegistration<C, S>): Config<S, Exclude<Y, K>>;
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}
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export declare function declare<S extends object>(): Declaration<S>;
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