burger-api/dist/src/core/api-router.d.ts

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import type { RouteDefinition, TrieNode } from '../types/index';
/**
 * ApiRouter class for handling file-based routing.
 * Loads routes from a directory structure and matches requests to the appropriate route handlers.
 * Supports dynamic segments (e.g., [id] ,(group),[...]) and HTTP method handlers.
 * Routes are sorted to prioritize static routes over dynamic and wildcard ones to prevent overlapping route issues.
 */
export declare class ApiRouter {
    private routesDir;
    private prefix;
    /** The root of the trie where all routes will begin*/
    private root;
    /**
     * Constructor for the ApiRouter class.
     * @param routesDir The directory path where route modules are located.
     * @param prefix Optional prefix to prepend to all routes (e.g., "api" becomes "/api/...").
     * @throws {Error} If the routes directory path is not provided.
     */
    constructor(routesDir: string, prefix?: string);
    /**
     * Getter for the routes trie.
     * @returns The root of the trie.
     */
    get routes(): TrieNode;
    /**
     * Loads all routes from the routes directory into the trie structure.
     * @returns {Promise<void>} A promise that resolves when all routes are loaded.
     * @throws {Error} If the routes directory is not found or if an error occurs during route loading.
     */
    loadRoutes(): Promise<void>;
    /**
     * Inserts a route definition into the trie structure.
     * @param routeDef The route definition to insert, containing path, handlers, middleware, schema, and OpenAPI metadata.
     * @throws {Error} If the route definition is invalid or causes a conflict in the trie.
     */
    private insertRoute;
    /**
     * Recursively scans a directory for route modules (route.ts files) and loads them into the trie.
     * @param dir The current directory path to scan.
     * @param basePath The base path used to construct route paths from the directory structure.
     * @returns {Promise<void>} A promise that resolves when the directory scan is complete.
     * @throws {Error} If multiple dynamic folders are found at the same level or if directory access fails.
     */
    private scanDirectory;
    /**
     * Loads a route module from a file and inserts it into the trie.
     * @param entryPath The full file system path to the route module (route.ts).
     * @param relativePath The relative path used to construct the route path.
     * @returns {Promise<void>} A promise that resolves when the module is loaded and inserted.
     * @throws {Error} If the route module fails to load or is invalid.
     */
    private loadRouteModule;
    /**
     * Resolves a request to a route definition and its parameters.
     * @param pathname  The normalized request pathname.
     * @param method The uppercase HTTP method.
     * @returns {{ route?: RouteDefinition; params: Record<string, string>; wildcardParams?: string[] }} An object containing the matched route (if any), extracted parameters, and wildcard segments (if applicable).
     * @throws {Error} If the request URL is malformed.
     */
    resolve(pathname: string, method: string): {
        route?: RouteDefinition;
        params: Record<string, string>;
        wildcardParams?: string[];
    };
}