init File Logger

index.ts

@@ -0,0 +1,23 @@
+import logger, {Level, Writer, type WriterOptions} from 'log'
+import {type FileSink} from 'bun'
+
+export * as log from 'log'
+export default logger
+
+export class File extends Writer {
+    private readonly sink: FileSink;
+
+    public constructor(options: WriterOptions & { path: string }) {
+        const {path, ...rest} = options
+        super(rest)
+        this.sink = Bun.file(path).writer()
+    }
+
+    protected write(_level: Level, ...data: any[]) : void {
+        this.sink.write(data.join(" "))
+    }
+
+    public end() : number | Promise<number> {
+        return this.sink.end()
+    }
+}