Fixed IndexedDB.isAvailable not returning true on success

Upgraded to core 0.4
Fixed build script

package.json

@@ -51,6 +51,6 @@
 		"typescript": "5.2.2"
 	},
 	"peerDependencies": {
-		"@browserfs/core": "^0.3.2"
+		"@browserfs/core": "^0.4.0"
 	}
 }

scripts/build.mjs

@@ -27,7 +27,7 @@ const ctx = await context({
 			}
 
 			try {
-				execSync('tsc -p tsconfig.json');
+				execSync('npx tsc -p tsconfig.json', { stdio: 'inherit' });
 			} catch (e) {
 				console.error('status' in e ? e.toString() : e);
 			}

src/FileSystemAccess.ts

@@ -136,11 +136,11 @@ export class FileSystemAccessFS extends Async(FileSystem) {
 			throw ApiError.OnPath(ErrorCode.ENOENT, path);
 		}
 		if (handle instanceof FileSystemDirectoryHandle) {
-			return new Stats(FileType.DIRECTORY, 4096);
+			return new Stats({ mode: 0o777 | FileType.DIRECTORY, size: 4096 });
 		}
 		if (handle instanceof FileSystemFileHandle) {
 			const { lastModified, size } = await handle.getFile();
-			return new Stats(FileType.FILE, size, null, Date.now(), lastModified);
+			return new Stats({ mode: 0o777 | FileType.FILE, size, mtimeMs: lastModified });
 		}
 	}
 
@@ -149,7 +149,7 @@ export class FileSystemAccessFS extends Async(FileSystem) {
 		if (handle instanceof FileSystemFileHandle) {
 			const file = await handle.getFile();
 			const data = new Uint8Array(await file.arrayBuffer());
-			const stats = new Stats(FileType.FILE, file.size, null, Date.now(), file.lastModified);
+			const stats = new Stats({ mode: 0o777 | FileType.FILE, size: file.size, mtimeMs: file.lastModified });
 			return new FileSystemAccessFile(this, path, flag, stats, data);
 		}
 	}

src/IndexedDB.ts

@@ -225,6 +225,7 @@ export const IndexedDB: Backend = {
 		} catch (e) {
 			return false;
 		}
+		return true;
 	},
 
 	create({ cacheSize = 100, storeName = 'browserfs', idbFactory = globalThis.indexedDB }: IndexedDBOptions) {