couple of corrections, new additions

pkg/logger.ts

@@ -0,0 +1,69 @@
+import { Console } from "console";
+import { PathLike, existsSync, mkdirSync, writeFileSync } from "fs";
+
+type LogLevelOptions = {
+    appendLog?: boolean;
+    appendWarn?: boolean;
+    appendError?: boolean;
+    appendDebug?: boolean;
+}
+
+export class Logger extends Console implements Disposable {
+    outfileLocation: PathLike;
+    outfileName: `${string}.txt`;
+    options: LogLevelOptions;
+    contents = "";
+
+    constructor(outfileLocation?: PathLike, outfileName?: `${string}.txt`, options?: LogLevelOptions) {
+        super(process.stdout, process.stderr);
+        this.outfileLocation = outfileLocation ?? process.cwd();
+        this.outfileName = outfileName ?? "log.txt";
+
+        this.options = {
+            appendError: true,
+            appendLog: true,
+            ...options
+        }
+    }
+
+    override log(...args: unknown[]) {
+        this.append(args.join(" ") + "\n");
+        super.log(...args);
+    }
+
+    override warn(...args: unknown[]) {
+        this.append(args.join(" ") + "\n");
+        super.warn(...args);
+    }
+
+    override error(...args: unknown[]) {
+        this.append(args.join(" ") + "\n");
+        super.error(...args);
+    }
+
+    private append(contents: string) {
+        this.contents += contents;
+    }
+
+    private write() {
+        try {
+            if (!existsSync(this.outfileLocation)) mkdirSync(this.outfileLocation, { recursive: true })
+
+            writeFileSync(
+                `${this.outfileLocation.toString()}/${this.outfileName}`,
+                this.contents,
+                {
+                    encoding: "utf-8",
+                    flag: "a",
+                }
+            )
+
+        } catch(e) {
+            this.error(e);
+        }
+    }
+
+    [Symbol.dispose]() {
+        this.write();
+    }
+}