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Get indexDB selectively based on window property #802

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merged 1 commit into from
Oct 7, 2021
Merged

Get indexDB selectively based on window property #802

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13 changes: 8 additions & 5 deletions hive/lib/src/backend/js/backend_manager.dart
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Original file line number Diff line number Diff line change
@@ -1,17 +1,20 @@
import 'dart:html';
import 'dart:indexed_db';

import 'dart:js' as js;
import 'package:hive/hive.dart';
import 'package:hive/src/backend/js/storage_backend_js.dart';
import 'package:hive/src/backend/storage_backend.dart';

/// Opens IndexedDB databases
class BackendManager implements BackendManagerInterface {
IdbFactory? get indexedDB => js.context.hasProperty('window')
? window.indexedDB
: WorkerGlobalScope.instance.indexedDB;

@override
Future<StorageBackend> open(
String name, String? path, bool crashRecovery, HiveCipher? cipher) async {
var db =
await window.indexedDB!.open(name, version: 1, onUpgradeNeeded: (e) {
var db = await indexedDB!.open(name, version: 1, onUpgradeNeeded: (e) {
var db = e.target.result as Database;
if (!db.objectStoreNames!.contains('box')) {
db.createObjectStore('box');
Expand All @@ -23,15 +26,15 @@ class BackendManager implements BackendManagerInterface {

@override
Future<void> deleteBox(String name, String? path) {
return window.indexedDB!.deleteDatabase(name);
return indexedDB!.deleteDatabase(name);
}

@override
Future<bool> boxExists(String name, String? path) async {
// https://stackoverflow.com/a/17473952
try {
var _exists = true;
await window.indexedDB!.open(name, version: 1, onUpgradeNeeded: (e) {
await indexedDB!.open(name, version: 1, onUpgradeNeeded: (e) {
e.target.transaction!.abort();
_exists = false;
});
Expand Down
6 changes: 5 additions & 1 deletion hive/lib/src/backend/js/storage_backend_js.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ import 'dart:html';
import 'dart:indexed_db';
import 'dart:js_util';
import 'dart:typed_data';
import 'dart:js' as js;

import 'package:hive/hive.dart';
import 'package:hive/src/backend/storage_backend.dart';
Expand Down Expand Up @@ -199,6 +200,9 @@ class StorageBackendJs extends StorageBackend {

@override
Future<void> deleteFromDisk() {
return window.indexedDB!.deleteDatabase(_db.name!);
final indexDB = js.context.hasProperty('window')
? window.indexedDB
: WorkerGlobalScope.instance.indexedDB;
return indexDB!.deleteDatabase(_db.name!);
}
}