syncguard/common/errors.js

Functional TypeScript library for distributed locking across microservices. Prevents race conditions with Redis, PostgreSQL, Firestore, and custom backends. Features automatic lock management, timeout handling, and extensible architecture.

// SPDX-FileCopyrightText: 2025-present Kriasoft
// SPDX-License-Identifier: MIT
/**
 * Thrown by all lock operations for system errors, timeouts, and failures.
 * Use `code` to distinguish error types and `context` for debugging details.
 */
export class LockError extends Error {
    code;
    context;
    constructor(code, // Unexpected backend errors or quota limits
    message, 
    /** Debugging context: lock key, ID, and underlying error */
    context) {
        super(message ?? code);
        this.code = code;
        this.context = context;
        this.name = "LockError";
    }
}