feat: export logs to filesystem in our pino logger

packages/bot/src/classes/Client.ts

@@ -1,5 +1,6 @@
 import type { HibikiCommand } from "$classes/Command.ts";
 import type { HibikiEvent } from "$classes/Event.ts";
+// eslint-disable-next-line import/order
 import { loadCommands, loadEvents, registerInteractions } from "$utils/loader.ts";
 import env from "$shared/env.ts";
 import logger from "$shared/logger.ts";
@@ -50,3 +51,4 @@ export class HibikiClient extends Client {
     }
   }
 }
+//

packages/bot/src/classes/Sharder.ts

@@ -19,7 +19,7 @@ export class HibikiShardingManager {
     this.shardingManager = new ShardingManager(this._mainFile, {
       token: this._token,
       totalShards: this._shardCount,
-      mode: env.isProduction ? "worker" : "process",
+      mode: env.NODE_ENV === "production" ? "worker" : "process",
       execArgv: process.execArgv,
       respawn: false,
     });

packages/shared/package.json

@@ -21,6 +21,7 @@
     "test": "bun run lint"
   },
   "dependencies": {
+    "@chatsift/pino-rotate-file": "^0.3.0",
     "dotenv": "^16.4.4",
     "envalid": "^8.0.0",
     "i18next": "^23.8.2",

packages/shared/src/logger.ts

@@ -1,18 +1,56 @@
-import { pino } from "pino";
+import type { PinoRotateFileOptions } from "@chatsift/pino-rotate-file";
+import type { PrettyOptions } from "pino-pretty";
+import env from "$shared/env.ts";
+import createLogger, { multistream, transport } from "pino";
+import path from "node:path";
 
-// Options for the pino logger
-// TODO: Implement FS logs
-const pinoOptions: pino.LoggerOptions = {
-  transport: {
-    target: "pino-pretty",
-    options: {
-      translateTime: "yyyy-mm-dd HH:MM:ss",
-      colorize: true,
-    },
+// __dirname replacement in ESM
+const pathDirname = path.dirname(Bun.fileURLToPath(new URL(import.meta.url)));
+
+// Directories to crawl
+const LOGS_DIRECTORY = path.join(pathDirname, "../../../logs");
+
+// Pino-pretty options
+const pinoPrettyOptions = {
+  levelFirst: true,
+  translateTime: "yyyy-mm-dd HH:MM:ss",
+  colorize: true,
+} satisfies PrettyOptions;
+
+// Pino rotation options
+const pinoRotateFileOptions = {
+  dir: LOGS_DIRECTORY,
+  mkdir: true,
+  maxAgeDays: 14,
+  prettyOptions: {
+    ...pinoPrettyOptions,
+    // Disable colorization for fs log files
+    colorize: false,
   },
-};
+} satisfies PinoRotateFileOptions;
 
-// Creates the new Pino logger
-const logger = pino(Bun.env["isProduction"] ? {} : pinoOptions);
+const logger = createLogger(
+  {
+    // Sets name to package name
+    name: env.npm_package_name || undefined,
+    level: "trace",
+  },
+  multistream([
+    {
+      level: "trace",
+      stream: transport({
+        target: "pino-pretty",
+        options: pinoPrettyOptions,
+      }),
+    },
+    {
+      level: "trace",
+      stream: transport({
+        target: "@chatsift/pino-rotate-file",
+        options: pinoRotateFileOptions,
+      }),
+    },
+  ]),
+);
 
 export default logger;