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import { argumentNotNull, each, isPrimitive, isPromise } from "../../safe";
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import { DescriptorBuilder } from "./DescriptorBuilder";
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import { RegistrationBuilder, FluentRegistrations, ContainerConfiguration } from "./interfaces";
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import { Cancellation } from "../../Cancellation";
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import { ServiceContainer } from "../interfaces";
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export class FluentConfiguration<S extends object, Y extends keyof S = keyof S> {
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_builders: { [k in keyof S]?: RegistrationBuilder<S, S[k]> } = {};
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provided<K extends Y>(): FluentConfiguration<S, Exclude<Y, K>> {
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return this;
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}
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register<K extends Y>(name: K, builder: RegistrationBuilder<S, S[K]>): FluentConfiguration<S, Exclude<Y, K>>;
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register<K extends Y>(config: FluentRegistrations<K, S>): FluentConfiguration<S, Exclude<Y, K>>;
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register<K extends Y>(nameOrConfig: K | FluentRegistrations<K, S>, builder?: RegistrationBuilder<S, S[K]>): FluentConfiguration<S, Exclude<Y, K>> {
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if (isPrimitive(nameOrConfig)) {
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argumentNotNull(builder, "builder");
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this._builders[nameOrConfig] = builder;
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} else {
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each(nameOrConfig, (v, k) => this.register(k, v));
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}
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return this;
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}
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configure(config: FluentRegistrations<Y, S>): ContainerConfiguration<S> {
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return this.register(config);
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}
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apply<S2 extends object>(target: ServiceContainer<S2>, ct = Cancellation.none) {
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let pending = 1;
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const _t2 = target as unknown as ServiceContainer<S2 & S>;
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return new Promise<ServiceContainer<S2 & S>>((resolve, reject) => {
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function guard(v: void | Promise<void>) {
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if (isPromise(v))
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v.catch(reject);
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}
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function complete() {
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if (!--pending)
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resolve(_t2);
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}
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each(this._builders, (v, k) => {
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pending++;
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const d = new DescriptorBuilder<S2 & S, any>(_t2,
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result => {
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_t2.register(k, result);
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complete();
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},
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reject
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);
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try {
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guard(v(d, ct));
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} catch (e) {
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reject(e);
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}
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});
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complete();
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});
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}
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}
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