From 1cf8a0fae908b2015b73e855cb9242607aa46502 Mon Sep 17 00:00:00 2001
From: IanKulin <IanKulin@kulin.com.au>
Date: Sun, 28 Sep 2025 10:10:32 +0800
Subject: [PATCH] +node and bun compat

---
 README.md     |  3 +++
 lib/logger.ts | 73 +++++++++++++++++++++++++++++++++++++++++++++++----
 package.json  | 47 +++++++++++++++++++++++++++++++++
 3 files changed, 118 insertions(+), 5 deletions(-)
 create mode 100644 package.json

diff --git a/README.md b/README.md
index fe43177..ecfd7a3 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ $ deno run --allow-env --allow-sys your-script.js
 ## Quick Start
 
 ```typescript
+// Deno 
 import Logger from "@iankulin/logger";
 
 const logger = new Logger();
@@ -36,6 +37,7 @@ logger.error("Something went wrong");
 
 
 ```typescript
+// Deno
 import Logger from "jsr:@iankulin/logger";
 
 // Create a new logger instance
@@ -157,6 +159,7 @@ devLogger.info("Development info message");
 - **1.0.1** - Minor updates
   - Deno flavoured demo in readme
   - Add JSDoc to boost JSR score
+- **1.1.0** - Add Node and Bun support
 
 ## AI Disclosure
 
diff --git a/lib/logger.ts b/lib/logger.ts
index 0fc7f8b..be97fbc 100644
--- a/lib/logger.ts
+++ b/lib/logger.ts
@@ -1,10 +1,12 @@
 /**
- * @fileoverview A comprehensive Deno-based logging library with configurable levels, formatting, and caller detection.
+ * @fileoverview A comprehensive cross-platform logging library with configurable levels, formatting, and caller detection.
  *
  * This module provides a Logger class that supports multiple log levels, JSON and simple text formatting,
  * automatic TTY detection for colored output, and optional caller information inclusion. It includes
  * built-in util.format-style string formatting with %s, %d, %j, and other specifiers.
  *
+ * Compatible with Deno, Node.js, and Bun runtimes.
+ *
  * @module logger
  * @example
  * ```ts
@@ -135,6 +137,67 @@ function format(f: unknown, ...args: unknown[]): string {
   return str;
 }
 
+// Cross-platform process interface
+interface NodeProcess {
+  pid: number;
+  versions?: {
+    node?: string;
+    bun?: string;
+  };
+  stdout?: {
+    isTTY?: boolean;
+  };
+}
+
+// Cross-platform global interface
+interface CrossPlatformGlobal {
+  process?: NodeProcess;
+  require?: (module: string) => unknown;
+}
+
+// Runtime detection and cross-platform utilities
+const runtime = {
+  isDeno: typeof Deno !== 'undefined',
+  isNode: typeof (globalThis as CrossPlatformGlobal).process !== 'undefined' &&
+          Boolean((globalThis as CrossPlatformGlobal).process?.versions?.node),
+  isBun: typeof (globalThis as CrossPlatformGlobal).process !== 'undefined' &&
+         Boolean((globalThis as CrossPlatformGlobal).process?.versions?.bun),
+};
+
+// Cross-platform API wrappers
+function getPid(): number {
+  if (runtime.isDeno) {
+    return Deno.pid;
+  }
+  return (globalThis as CrossPlatformGlobal).process?.pid || 0;
+}
+
+function getHostname(): string {
+  if (runtime.isDeno) {
+    return Deno.hostname();
+  }
+  // For Node.js/Bun, we need to import os module
+  if (runtime.isNode || runtime.isBun) {
+    try {
+      // Try accessing require if available
+      const requireFn = (globalThis as CrossPlatformGlobal)?.require || eval('require');
+      const os = requireFn?.('os') as { hostname?: () => string };
+      return os?.hostname?.() || 'localhost';
+    } catch {
+      // Fallback if require is not available
+      return 'localhost';
+    }
+  }
+  return 'localhost';
+}
+
+function isTerminal(): boolean {
+  if (runtime.isDeno) {
+    return Deno.stdout.isTerminal();
+  }
+  return (globalThis as CrossPlatformGlobal).process?.stdout?.isTTY || false;
+}
+
 /**
  * Available log levels in order of priority.
  *
@@ -200,7 +263,7 @@ export interface LogEntry {
   levelNumber: number;
   /** Formatted timestamp string */
   time: string;
-  /** Process ID of the current Deno process */
+  /** Process ID of the current process */
   pid: number;
   /** Hostname of the current machine */
   hostname: string;
@@ -371,7 +434,7 @@ class Logger {
     };
 
     // Detect if output is redirected to a file
-    this.isRedirected = !Deno.stdout.isTerminal();
+    this.isRedirected = !isTerminal();
 
     // Initialize formatters registry
     this.formatters = {
@@ -583,8 +646,8 @@ class Logger {
       level,
       levelNumber: this.options.levels[level],
       time: time,
-      pid: Deno.pid,
-      hostname: Deno.hostname(),
+      pid: getPid(),
+      hostname: getHostname(),
       msg: format(message, ...args),
     };
 
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..247dcdb
--- /dev/null
+++ b/package.json
@@ -0,0 +1,47 @@
+{
+  "name": "@iankulin/logger",
+  "version": "1.1.0",
+  "description": "A comprehensive cross-platform logging library with configurable levels, formatting, and caller detection. Compatible with Deno, Node.js, and Bun.",
+  "license": "MIT",
+  "type": "module",
+  "main": "./lib/logger.ts",
+  "exports": {
+    ".": {
+      "import": "./lib/logger.ts",
+      "require": "./lib/logger.ts"
+    }
+  },
+  "files": [
+    "lib/",
+    "README.md",
+    "LICENSE"
+  ],
+  "scripts": {
+    "dev": "node demo.js",
+    "test": "node --test test/",
+    "lint": "echo 'Linting with deno lint'",
+    "check": "tsc --noEmit lib/logger.ts"
+  },
+  "engines": {
+    "node": ">=18.0.0"
+  },
+  "keywords": [
+    "logger",
+    "logging",
+    "cross-platform",
+    "deno",
+    "nodejs",
+    "bun",
+    "typescript",
+    "structured-logging",
+    "json-logging"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/iankulin/d-logger.git"
+  },
+  "bugs": {
+    "url": "https://github.com/iankulin/d-logger/issues"
+  },
+  "homepage": "https://github.com/iankulin/d-logger#readme"
+}
\ No newline at end of file