feat: add filepicker package

packages/filepicker/src/Classic/ClassicSaver.ts

@@ -0,0 +1,23 @@
+import { saveFile } from '../utils'
+
+export class ClassicFileSaver {
+  public loggingEnabled = false
+
+  private log(...args: any[]): void {
+    if (!this.loggingEnabled) {
+      return
+    }
+    // eslint-disable-next-line no-console
+    console.log(args)
+  }
+
+  static maximumFileSize(): number {
+    return 50 * 1_000_000
+  }
+
+  saveFile(name: string, bytes: Uint8Array): void {
+    this.log('Saving file to disk...')
+    saveFile(name, bytes)
+    this.log('Closing write stream')
+  }
+}