ble-mcp-test/dist/logger.js

Complete BLE testing stack: WebSocket bridge server, MCP observability layer, and Web Bluetooth API mock. Test real BLE devices in Playwright/E2E tests without browser support.

import { normalizeLogLevel } from './utils.js';
export class Logger {
    prefix;
    level;
    includeTimestamp;
    constructor(prefix) {
        this.prefix = prefix;
        this.level = normalizeLogLevel(process.env.BLE_MCP_LOG_LEVEL);
        this.includeTimestamp = process.env.BLE_MCP_LOG_TIMESTAMPS !== 'false';
    }
    formatMessage(...args) {
        if (this.includeTimestamp) {
            const timestamp = new Date().toISOString().substring(11, 23); // HH:MM:SS.mmm
            return [`[${timestamp}] [${this.prefix}]`, ...args];
        }
        return [`[${this.prefix}]`, ...args];
    }
    shouldLog(messageLevel) {
        const levels = ['debug', 'info', 'warn', 'error'];
        const currentLevelIndex = levels.indexOf(this.level);
        const messageLevelIndex = levels.indexOf(messageLevel);
        return messageLevelIndex >= currentLevelIndex;
    }
    debug(...args) {
        if (this.shouldLog('debug')) {
            console.log(...this.formatMessage(...args));
        }
    }
    info(...args) {
        if (this.shouldLog('info')) {
            console.log(...this.formatMessage(...args));
        }
    }
    warn(...args) {
        if (this.shouldLog('warn')) {
            console.warn(...this.formatMessage(...args));
        }
    }
    error(...args) {
        if (this.shouldLog('error')) {
            console.error(...this.formatMessage(...args));
        }
    }
}