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import { DiContainer, Type, TypeIdentifier } from "../di-container.ts";import { Scope } from "../scope.ts";import { Reflect } from "../shims/reflect.ts";
export type InjectableOptions =  | {    /**     * Determines the scope the service will be bound to.      */    scope?: Scope;    /**     * Determines whether to make the service available globally. If false, the type must be set as a provider in a DI container.     */    global?: boolean;  }  | {    /**     * Determines the scope the service will be bound to.      */    scope: Scope.Custom;    /**     * For custom scopes, this value must be provided to act as identifier for a custom scope     */    scopeIdentifier: unknown;  };
/** * Decorator used to mark a type as available for dependency injection globally. *  */export function Injectable(): ClassDecorator;/** * Decorator used to mark a type as available for dependency injection with options. */export function Injectable(options: InjectableOptions): ClassDecorator;/** * Decorator used to mark a type as available for dependency injection using a identifier token */export function Injectable(  identifier: TypeIdentifier,  options?: InjectableOptions,): ClassDecorator;export function Injectable(  identifierOrOptions?: TypeIdentifier | InjectableOptions,  options?: InjectableOptions,): ClassDecorator {  // deno-lint-ignore ban-types  return function (target: Function) {    let identifier;
    if (identifierOrOptions) {      if (isIdentifier(identifierOrOptions)) {        identifier = identifierOrOptions;      } else {        options = identifierOrOptions;      }    }    options = { scope: Scope.Injection, global: true, ...options };    let scope: Scope | string | undefined = options.scope;    if (scope === Scope.Custom) {      scope = (options as { scopeIdentifier: string }).scopeIdentifier;    }    if (identifier) {      DiContainer.root().registerAlias(target as Type, identifier);    }    if (options.global) {      DiContainer.root().registerFromMetadata(        target as Type,        Reflect.getMetadata("design:paramtypes", target),        undefined,        scope,      );    }  };}
function isIdentifier(arg: unknown): arg is TypeIdentifier {  return typeof arg === "string" || typeof arg === "function";}