From 7919ff032afc8d998041f545a5870e955d0689e6 Mon Sep 17 00:00:00 2001
From: Forato <lucas.e.forato@gmail.com>
Date: Wed, 25 Jun 2025 18:45:23 -0300
Subject: [PATCH 1/4] feat: implement open in lib.rs

---
 bindings/javascript/src/lib.rs | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/bindings/javascript/src/lib.rs b/bindings/javascript/src/lib.rs
index 4429b70e4..6837399d0 100644
--- a/bindings/javascript/src/lib.rs
+++ b/bindings/javascript/src/lib.rs
@@ -4,7 +4,7 @@ use std::cell::{RefCell, RefMut};
 use std::num::NonZeroUsize;
 
 use std::rc::Rc;
-use std::sync::Arc;
+use std::sync::{Arc, Mutex};
 
 use limbo_core::{LimboError, StepResult};
 use napi::iterator::Generator;
@@ -35,8 +35,7 @@ pub struct Database {
     pub readonly: bool,
     // #[napi(writable = false)]
     // pub in_transaction: bool,
-    // #[napi(writable = false)]
-    // pub open: bool,
+    pub open: bool,
     #[napi(writable = false)]
     pub name: String,
     _db: Arc<limbo_core::Database>,
@@ -80,6 +79,7 @@ impl Database {
             memory,
             _db: db,
             conn,
+            open: true,
             name: path,
             io,
         })
@@ -126,6 +126,11 @@ impl Database {
         self.readonly
     }
 
+    #[napi]
+    pub fn open(&self) -> bool {
+        self.open
+    }
+
     #[napi]
     pub fn backup(&self) {
         todo!()
@@ -199,8 +204,9 @@ impl Database {
     }
 
     #[napi]
-    pub fn close(&self) -> napi::Result<()> {
+    pub fn close(&mut self) -> napi::Result<()> {
         self.conn.close().map_err(into_napi_error)?;
+        self.open = false;
         Ok(())
     }
 }

From 897898fdbd9fcd533b35e9db4f6f3f82e8f889cf Mon Sep 17 00:00:00 2001
From: Forato <lucas.e.forato@gmail.com>
Date: Wed, 25 Jun 2025 18:52:12 -0300
Subject: [PATCH 2/4] fix: remove unused Mutex

---
 bindings/javascript/__test__/better-sqlite3.spec.mjs | 5 +++++
 bindings/javascript/src/lib.rs                       | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/bindings/javascript/__test__/better-sqlite3.spec.mjs b/bindings/javascript/__test__/better-sqlite3.spec.mjs
index 370123a5b..8596d53de 100644
--- a/bindings/javascript/__test__/better-sqlite3.spec.mjs
+++ b/bindings/javascript/__test__/better-sqlite3.spec.mjs
@@ -32,6 +32,11 @@ test("Property .readonly of database if not set", async (t) => {
   t.is(db.readonly, false);
 });
 
+test("Property .open of database", async (t) => {
+  const db = new Database("foobar.db");
+  t.is(db.open, true);
+});
+
 test("Statement.get() returns data", async (t) => {
   const [db] = await connect(":memory:");
   const stmt = db.prepare("SELECT 1");
diff --git a/bindings/javascript/src/lib.rs b/bindings/javascript/src/lib.rs
index 6837399d0..99149652b 100644
--- a/bindings/javascript/src/lib.rs
+++ b/bindings/javascript/src/lib.rs
@@ -4,7 +4,7 @@ use std::cell::{RefCell, RefMut};
 use std::num::NonZeroUsize;
 
 use std::rc::Rc;
-use std::sync::{Arc, Mutex};
+use std::sync::Arc;
 
 use limbo_core::{LimboError, StepResult};
 use napi::iterator::Generator;

From 317d8f763c498830af556dd4c589269ce51962d7 Mon Sep 17 00:00:00 2001
From: Forato <lucas.e.forato@gmail.com>
Date: Wed, 25 Jun 2025 18:53:05 -0300
Subject: [PATCH 3/4] feat: add napi to open

---
 bindings/javascript/src/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bindings/javascript/src/lib.rs b/bindings/javascript/src/lib.rs
index 99149652b..4a2b01eed 100644
--- a/bindings/javascript/src/lib.rs
+++ b/bindings/javascript/src/lib.rs
@@ -35,6 +35,7 @@ pub struct Database {
     pub readonly: bool,
     // #[napi(writable = false)]
     // pub in_transaction: bool,
+    #[napi(writable = false)]
     pub open: bool,
     #[napi(writable = false)]
     pub name: String,

From 48635642137b5e1d2eeca63de4a1af59d215d1b5 Mon Sep 17 00:00:00 2001
From: Forato <lucas.e.forato@gmail.com>
Date: Thu, 26 Jun 2025 10:24:18 -0300
Subject: [PATCH 4/4] feat: only call close if it is open

---
 bindings/javascript/src/lib.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/bindings/javascript/src/lib.rs b/bindings/javascript/src/lib.rs
index 4a2b01eed..373f662fb 100644
--- a/bindings/javascript/src/lib.rs
+++ b/bindings/javascript/src/lib.rs
@@ -206,8 +206,10 @@ impl Database {
 
     #[napi]
     pub fn close(&mut self) -> napi::Result<()> {
-        self.conn.close().map_err(into_napi_error)?;
-        self.open = false;
+        if self.open {
+            self.conn.close().map_err(into_napi_error)?;
+            self.open = false;
+        }
         Ok(())
     }
 }