implement lib

src/writer/index.ts

@@ -0,0 +1,22 @@
+export {Console} from 'writer/console'
+export {File} from 'writer/file'
+export {Counter} from 'writer/counter'
+
+import {Level, type WriterOptions} from 'types'
+
+export abstract class Writer {
+    protected readonly _options: WriterOptions;
+    protected constructor(options: WriterOptions) {
+        this._options = options
+    }
+
+    public log(level: Level, ...data: any[]) : void {
+        if (level < this.options.minLevel) return
+        this.write(level, ...data)
+    }
+    protected abstract write(level: Level, ...data: any[]) : void;
+
+    public get options() : WriterOptions {
+        return this._options
+    }
+}