@essentialai/cogent-bridge/dist/logger.js

Cogent Bridge — cross-agent comms for Claude Code, OpenAI Codex and Slack. Codex users: install with `curl -fsSL https://cogent.tools/install.sh | sh`, then start with `cogent-codex` for real-time peer wake.

import fs from "node:fs";
import path from "node:path";
const LEVELS = {
    debug: 0,
    info: 1,
    warn: 2,
    error: 3,
};
export class Logger {
    threshold;
    textStream = null;
    jsonStream = null;
    constructor(level, logDir) {
        this.threshold = LEVELS[level];
        if (logDir) {
            fs.mkdirSync(logDir, { recursive: true });
            const now = new Date()
                .toISOString()
                .replace(/:/g, "-")
                .replace(/\.\d{3}Z$/, "");
            const textFile = `bridge-${now}.log`;
            const jsonFile = `bridge-${now}.json.log`;
            this.textStream = fs.createWriteStream(path.join(logDir, textFile), {
                flags: "a",
            });
            this.jsonStream = fs.createWriteStream(path.join(logDir, jsonFile), {
                flags: "a",
            });
        }
    }
    log(level, message, data) {
        if (LEVELS[level] < this.threshold)
            return;
        const timestamp = new Date().toISOString();
        const humanLine = `${timestamp} [${level.toUpperCase()}] ${message}\n`;
        try {
            process.stderr.write(humanLine);
        }
        catch {
            // Ignore EPIPE / broken pipe -- parent process disconnected
        }
        this.textStream?.write(humanLine);
        const entry = { timestamp, level, message };
        if (data !== undefined) {
            entry.data = data;
        }
        this.jsonStream?.write(JSON.stringify(entry) + "\n");
    }
    debug(message, data) {
        this.log("debug", message, data);
    }
    info(message, data) {
        this.log("info", message, data);
    }
    warn(message, data) {
        this.log("warn", message, data);
    }
    error(message, data) {
        this.log("error", message, data);
    }
    close() {
        this.textStream?.end();
        this.jsonStream?.end();
    }
}
export function createLogger(level, logDir) {
    return new Logger(level, logDir);
}
/** Pre-config logger: stderr-only at info level. Replaced after startup. */
export let logger = new Logger("info");
/**
 * Initialize the fully-configured logger with file outputs.
 * Replaces the module-level `logger` export.
 */
export function initLogger(level, logDir) {
    logger.close();
    logger = new Logger(level, logDir);
}
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