Initial Commit

packages/persistence/database/db-sqlite/src/drivers/bun-driver.ts

@@ -0,0 +1,51 @@
+import { SQLITE_CODES, SqliteError } from "../errors/index.js";
+import type { BunDriverOptions } from "../schemas/index.js";
+
+export interface BunDriverResult {
+    // biome-ignore lint/suspicious/noExplicitAny: bun:sqlite Database type varies by environment
+    sqlite: any;
+    close: () => Promise<void>;
+}
+
+export function isBunEnvironment(): boolean {
+    return typeof Bun !== "undefined";
+}
+
+export async function createBunDriver(
+    options?: BunDriverOptions
+): Promise<BunDriverResult> {
+    /* c8 ignore next 5 */
+    if (!isBunEnvironment()) {
+        throw new SqliteError(
+            SQLITE_CODES.ENVIRONMENT_ERROR,
+            "createBunDriver requires Bun runtime — use createWasmDriver in browser environments"
+        );
+    }
+
+    let sqlite: BunDriverResult["sqlite"];
+    try {
+        const { Database } = await import("bun:sqlite");
+        const filename = options?.filename ?? ":memory:";
+        sqlite = new Database(filename, {
+            create: true,
+            readonly: options?.readonly ?? false,
+        });
+    } catch (err) {
+        throw new SqliteError(
+            SQLITE_CODES.DRIVER_INIT_FAILED,
+            `Failed to open SQLite database: ${err instanceof Error ? err.message : String(err)}`,
+            { cause: err instanceof Error ? err : undefined }
+        );
+    }
+
+    let closed = false;
+
+    return {
+        sqlite,
+        close: async () => {
+            if (closed) return;
+            closed = true;
+            sqlite.close();
+        },
+    };
+}