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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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ReferenceDescriptor.ts
68 lines | 1.9 KiB | video/mp2t | TypeScriptLexer
/ src / main / ts / di / ReferenceDescriptor.ts
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 r120 import { argumentNotEmptyString, each } from "../safe";
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 r49 import { ActivationContext } from "./ActivationContext";
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 r133 import { Descriptor, PartialServiceMap, TypeOfService, ContainerKeys } from "./interfaces";
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 r120 export interface ReferenceDescriptorParams<S extends object, K extends ContainerKeys<S>> {
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 r113 name: K;
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 r49 optional?: boolean;
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 r133 default?: TypeOfService<S, K>;
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 r115 services?: PartialServiceMap<S>;
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 r49 }
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 r120 export class ReferenceDescriptor<S extends object = any, K extends ContainerKeys<S> = ContainerKeys<S>>
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 r133 implements Descriptor<S, TypeOfService<S, K>> {
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 r114
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 r113 _name: K;
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_optional = false;
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 r133 _default: TypeOfService<S, K> | undefined;
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 r118 _services: PartialServiceMap<S>;
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 r113 constructor(opts: ReferenceDescriptorParams<S, K>) {
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 r49 argumentNotEmptyString(opts && opts.name, "opts.name");
this._name = opts.name;
this._optional = !!opts.optional;
this._default = opts.default;
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 r113
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 r120 this._services = (opts.services || {}) as PartialServiceMap<S>;
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 r49 }
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 r114 activate(context: ActivationContext<S>) {
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 r49 // добавляем сервисы
if (this._services) {
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 r115 each(this._services, (v, k) => context.register(k, v));
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 r49 }
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 r122 const res = this._optional ?
context.resolve(this._name, this._default) :
context.resolve(this._name);
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 r122 return res;
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 r49 }
toString() {
const opts = [];
if (this._optional)
opts.push("optional");
const parts = [
"@ref "
];
if (opts.length) {
parts.push("{");
parts.push(opts.join());
parts.push("} ");
}
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 r113 parts.push(this._name.toString());
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 r49
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 r115 if (this._default !== undefined && this._default !== null) {
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 r49 parts.push(" = ");
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 r115 parts.push(String(this._default));
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 r49 }
return parts.join("");
}
}