@sidequest/engine/dist/dependency-registry.js

@sidequest/engine is the core engine of SideQuest, a distributed background job processing system for Node.js and TypeScript.

/**
 * Enumeration of available dependency tokens for the dependency registry.
 * Used as keys to register and retrieve dependencies throughout the engine.
 */
var Dependency;
(function (Dependency) {
    /** Engine configuration */
    Dependency["Config"] = "config";
    /** Backend instance */
    Dependency["Backend"] = "backend";
})(Dependency || (Dependency = {}));
/**
 * A type-safe dependency injection container for managing core engine dependencies.
 * Provides methods to register, retrieve, and clear dependencies used throughout the engine lifecycle.
 */
class DependencyRegistry {
    /**
     * Internal storage for registered dependencies.
     */
    registry = new Map();
    /**
     * Retrieves a registered dependency by its token.
     * @param token - The dependency token to look up
     * @returns The registered dependency instance, or undefined if not found
     */
    get(token) {
        return this.registry.get(token);
    }
    /**
     * Registers a dependency instance with the specified token.
     * @param token - The dependency token to register under
     * @param instance - The dependency instance to register
     * @returns The registered instance
     */
    register(token, instance) {
        this.registry.set(token, instance);
        return instance;
    }
    /**
     * Clears all registered dependencies from the registry.
     * Useful for cleanup and testing scenarios.
     */
    clear() {
        this.registry.clear();
    }
}
/**
 * Singleton instance of the dependency registry.
 * This is the main container used throughout the engine to manage dependencies.
 */
const dependencyRegistry = new DependencyRegistry();

export { Dependency, dependencyRegistry };
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