Add experimental sqlite web

sqlite_crdt/lib/sqlite_crdt.dart

@@ -8,9 +8,12 @@ import 'package:sqflite_common/sqlite_api.dart';
 // ignore: implementation_imports
 import 'package:sqflite_common/src/open_options.dart';
 import 'package:sqflite_common_ffi/sqflite_ffi.dart';
+import 'package:sqflite_common_ffi_web/sqflite_ffi_web.dart';
 import 'package:sql_crdt/sql_crdt.dart';
 import 'package:sqlite_crdt/src/sqlite_api.dart';
 
+import 'src/is_web_locator.dart';
+
 export 'package:sqflite_common/sqlite_api.dart';
 export 'package:sql_crdt/sql_crdt.dart';
 
@@ -42,15 +45,18 @@ class SqliteCrdt {
     FutureOr<void> Function(BaseCrdt crdt, int version)? onCreate,
     FutureOr<void> Function(BaseCrdt crdt, int from, int to)? onUpgrade,
   ) async {
-    assert((path != null) ^ inMemory);
+    if (sqliteCrdtIsWeb && !inMemory && path!.contains('/')) {
+      path = path.substring(path.lastIndexOf('/') + 1);
+    }
+    assert(inMemory || path!.isNotEmpty);
+    final databaseFactory =
+        sqliteCrdtIsWeb ? databaseFactoryFfiWeb : databaseFactoryFfi;
 
-    // Initialize FFI
-    sqfliteFfiInit();
-    if (Platform.isLinux) {
-      await databaseFactoryFfi.setDatabasesPath('.');
+    if (!sqliteCrdtIsWeb && Platform.isLinux) {
+      await databaseFactory.setDatabasesPath('.');
     }
 
-    final db = await databaseFactoryFfi.openDatabase(
+    final db = await databaseFactory.openDatabase(
       inMemory ? inMemoryDatabasePath : path!,
       options: SqfliteOpenDatabaseOptions(
         singleInstance: singleInstance,

sqlite_crdt/lib/src/is_web_io.dart

@@ -0,0 +1 @@
+const sqliteCrdtIsWeb = false;

sqlite_crdt/lib/src/is_web_locator.dart

@@ -0,0 +1,3 @@
+import 'is_web_io.dart' if (dart.library.html) 'is_web_web.dart' as test;
+
+bool get sqliteCrdtIsWeb => test.sqliteCrdtIsWeb;

sqlite_crdt/lib/src/is_web_web.dart

@@ -0,0 +1 @@
+const sqliteCrdtIsWeb = true;

sqlite_crdt/pubspec.yaml

@@ -12,6 +12,7 @@ dependencies:
   sqflite_common: ^2.4.3
   sqflite_common_ffi: ^2.2.2
   sql_crdt: ^0.0.8+1
+  sqflite_common_ffi_web: ^0.3.3+2
 
 dev_dependencies:
   lints: any

sqlite_crdt/test/sqlite_crdt_test.dart

@@ -280,22 +280,22 @@ void main() {
 
 Future<void> _insertUser(TimestampedCrdt crdt, int id, String name) =>
     crdt.execute('''
-    INSERT INTO users (id, name)
-    VALUES (?1, ?2)
-  ''', [id, name]);
+      INSERT INTO users (id, name)
+      VALUES (?1, ?2)
+    ''', [id, name]);
 
 Future<void> _updateUser(TimestampedCrdt crdt, int id, String name) =>
     crdt.execute('''
-        UPDATE users SET name = ?2
-        WHERE id = ?1
-  ''', [id, name]);
+      UPDATE users SET name = ?2
+      WHERE id = ?1
+    ''', [id, name]);
 
 Future<void> _deleteUser(TimestampedCrdt crdt, int id) =>
     crdt.execute('DELETE FROM users WHERE id = ?1', [id]);
 
 Future<void> _insertPurchase(
         TimestampedCrdt crdt, int id, int userId, double price) =>
     crdt.execute('''
-    INSERT INTO purchases (id, user_id, price)
-    VALUES (?1, ?2, ?3)
-  ''', [id, userId, price]);
+      INSERT INTO purchases (id, user_id, price)
+      VALUES (?1, ?2, ?3)
+    ''', [id, userId, price]);