feat: Added "Import" option in the account menu that allows you to import from plaintext/markdown files, Evernote exports, Simplenote exports, Google Keep exports and also convert Aegis exports to TokenVault notes

packages/ui-services/src/Import/SimplenoteConverter/SimplenoteConverter.ts

@@ -2,7 +2,6 @@ import { DecryptedTransferPayload, NoteContent } from '@standardnotes/models'
 import { ContentType } from '@standardnotes/common'
 import { readFileAsText } from '../Utils'
 import { WebApplicationInterface } from '@standardnotes/services'
-import { Importer } from '../Importer'
 
 type SimplenoteItem = {
   creationDate: string
@@ -15,9 +14,28 @@ type SimplenoteData = {
   trashedNotes: SimplenoteItem[]
 }
 
-export class SimplenoteConverter extends Importer {
-  constructor(protected override application: WebApplicationInterface) {
-    super(application)
+const isSimplenoteEntry = (entry: any): boolean => entry.id && entry.content && entry.creationDate && entry.lastModified
+
+export class SimplenoteConverter {
+  constructor(protected application: WebApplicationInterface) {}
+
+  static isValidSimplenoteJson(json: any): boolean {
+    return (
+      (json.activeNotes && json.activeNotes.every(isSimplenoteEntry)) ||
+      (json.trashedNotes && json.trashedNotes.every(isSimplenoteEntry))
+    )
+  }
+
+  async convertSimplenoteBackupFileToNotes(file: File): Promise<DecryptedTransferPayload<NoteContent>[]> {
+    const content = await readFileAsText(file)
+
+    const notes = this.parse(content)
+
+    if (!notes) {
+      throw new Error('Could not parse notes')
+    }
+
+    return notes
   }
 
   createNoteFromItem(item: SimplenoteItem, trashed: boolean): DecryptedTransferPayload<NoteContent> {
@@ -51,18 +69,6 @@ export class SimplenoteConverter extends Importer {
     }
   }
 
-  async convertSimplenoteBackupFileToNotes(file: File): Promise<DecryptedTransferPayload<NoteContent>[]> {
-    const content = await readFileAsText(file)
-
-    const notes = this.parse(content)
-
-    if (!notes) {
-      throw new Error('Could not parse notes')
-    }
-
-    return notes
-  }
-
   parse(data: string) {
     try {
       const parsed = JSON.parse(data) as SimplenoteData