NotebookLM MCP Server

/** * Console logging utilities with colors and formatting * Similar to Python's rich.console */ type LogLevel = "info" | "success" | "warning" | "error" | "debug" | "dim"; interface LogStyle { prefix: string; color: string; } const STYLES: Record<LogLevel, LogStyle> = { info: { prefix: "ℹ️", color: "\x1b[36m" }, // Cyan success: { prefix: "✅", color: "\x1b[32m" }, // Green warning: { prefix: "⚠️", color: "\x1b[33m" }, // Yellow error: { prefix: "❌", color: "\x1b[31m" }, // Red debug: { prefix: "🔍", color: "\x1b[35m" }, // Magenta dim: { prefix: " ", color: "\x1b[2m" }, // Dim }; const RESET = "\x1b[0m"; /** * Logger class for consistent console output */ export class Logger { private enabled: boolean; constructor(enabled: boolean = true) { this.enabled = enabled; } /** * Log a message with a specific style */ log(message: string, level: LogLevel = "info"): void { if (!this.enabled) return; const style = STYLES[level]; const timestamp = new Date().toISOString().split("T")[1].slice(0, 8); const formattedMessage = `${style.color}${style.prefix} [${timestamp}] ${message}${RESET}`; // Use stderr for logs to keep stdout clean for MCP JSON-RPC console.error(formattedMessage); } /** * Log info message */ info(message: string): void { this.log(message, "info"); } /** * Log success message */ success(message: string): void { this.log(message, "success"); } /** * Log warning message */ warning(message: string): void { this.log(message, "warning"); } /** * Log error message */ error(message: string): void { this.log(message, "error"); } /** * Log debug message */ debug(message: string): void { this.log(message, "debug"); } /** * Log dim message (for less important info) */ dim(message: string): void { this.log(message, "dim"); } /** * Enable or disable logging */ setEnabled(enabled: boolean): void { this.enabled = enabled; } } /** * Global logger instance */ export const logger = new Logger(); /** * Convenience functions for quick logging */ export const log = { info: (msg: string) => logger.info(msg), success: (msg: string) => logger.success(msg), warning: (msg: string) => logger.warning(msg), error: (msg: string) => logger.error(msg), debug: (msg: string) => logger.debug(msg), dim: (msg: string) => logger.dim(msg), };