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working on fluent configuration
working on fluent configuration
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r133:09ea4b9e3735 ioc ts support
r133:09ea4b9e3735 ioc ts support
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Configuration.ts
59 lines | 1.5 KiB | video/mp2t | TypeScriptLexer
/ src / main / ts / di / fluent / Configuration.ts
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import { Container } from "../Container";
import { argumentNotNull, each } from "../../safe";
import { DescriptorBuilder } from "./DescriptorBuilder";
enum State {
ready,
pending
}
export class Configuration<S extends object, Y extends keyof S = keyof S> {
private _state = State.ready;
_completion: PromiseLike<void> = Promise.resolve();
_builders: { [k in keyof S]?: (service: DescriptorBuilder<S[k], S>) => void } = {};
register<K extends Y>(name: K, builder: (service: DescriptorBuilder<S[K], S>) => void): Configuration<S, Exclude<Y, K>> {
argumentNotNull(builder, "builder");
return this;
}
private _moveStart() {
if (this._state !== State.ready)
throw new Error("Invalid operation");
this._state = State.pending;
}
private _moveDone() {
this._state = State.ready;
}
apply(target: Container<S>) {
this._moveStart();
let pending = 1;
this._completion = new Promise((resolve, reject) => {
each(this._builders, (v, k) => {
pending++;
const d = new DescriptorBuilder<any, S>(target, result => {
target.register(k, result);
if (!--pending)
resolve();
});
try {
v(d);
} catch (e) {
reject(e);
}
});
}).then(() => this._moveDone());
}
}