separate database from source data

src/app/module/chat/infra/database/dexie/service.ts

@@ -0,0 +1,21 @@
+
+import { Dexie, EntityTable, liveQuery } from 'Dexie';
+import { DexieMessageTable, messageTableColumn, MessageTable } from './schema/message';
+import { DexieMembersTableSchema, MemberTableColumn } from './schema/members';
+import { DexieRoomsTableSchema, RoomTableColumn } from './schema/room';
+import { DexieTypingsTableSchema, TypingTableColumn } from './schema/typing';
+
+// Database declaration (move this to its own module also)
+export const chatDatabase = new Dexie('chat-database') as Dexie & {
+  message: DexieMessageTable,
+  members: DexieMembersTableSchema,
+  room: DexieRoomsTableSchema,
+  typing: DexieTypingsTableSchema
+};
+
+chatDatabase.version(1).stores({
+  message: messageTableColumn,
+  members: MemberTableColumn,
+  room: RoomTableColumn,
+  typing: TypingTableColumn
+});