meta-log-db/dist/browser/io.d.ts

Native database package for Meta-Log (ProLog, DataLog, R5RS)

/**
 * Browser File I/O Abstraction Layer
 *
 * Provides file loading from URLs/public directory and IndexedDB caching
 */
export interface BrowserFileIOConfig {
    enableCache?: boolean;
    cacheStrategy?: 'memory' | 'indexeddb' | 'both';
    indexedDBName?: string;
}
/**
 * Browser File I/O Manager
 */
export declare class BrowserFileIO {
    private cache;
    private storage;
    private enableCache;
    private cacheStrategy;
    constructor(config?: BrowserFileIOConfig);
    /**
     * Initialize storage (async initialization)
     */
    init(): Promise<void>;
    /**
     * Load file from URL/public directory
     */
    loadFromURL(url: string): Promise<string>;
    /**
     * Load file from IndexedDB cache
     */
    loadFromIndexedDB(key: string): Promise<string | null>;
    /**
     * Save file to IndexedDB cache
     */
    saveToIndexedDB(key: string, content: string): Promise<void>;
    /**
     * Check if file exists in IndexedDB cache
     */
    existsInIndexedDB(key: string): Promise<boolean>;
    /**
     * Load file with fallback strategy:
     * 1. Try IndexedDB cache
     * 2. Try fetch from URL/public directory
     * 3. Cache in IndexedDB if successful
     */
    loadFile(path: string, url?: string): Promise<string>;
    /**
     * Save to cache (memory and/or IndexedDB)
     */
    private saveToCache;
    /**
     * Clear cache
     */
    clearCache(): Promise<void>;
    /**
     * Clear specific file from cache
     */
    clearFileCache(key: string): Promise<void>;
    /**
     * Check if file is cached
     */
    isCached(key: string): Promise<boolean>;
}
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