Merge 'js-bindings/implement .name property' from Anton Harniakou

Returns the string that was used to open the database connection.

Reviewed-by: Diego Reis (@el-yawd)

Closes #1662

bindings/javascript/__test__/better-sqlite3.spec.mjs

@@ -10,6 +10,18 @@ test("Open in-memory database", async (t) => {
   t.is(db.memory, true);
 });
 
+test("Property .name of in-memory database", async (t) => {
+  let name = ":memory:";
+  const db = new Database(name);
+  t.is(db.name,name);
+});
+
+test("Property .name of database", async (t) => {
+  let name = "foobar.db";
+  const db = new Database(name);
+  t.is(db.name,name);
+});
+
 test("Statement.get() returns data", async (t) => {
   const [db] = await connect(":memory:");
   const stmt = db.prepare("SELECT 1");

bindings/javascript/__test__/limbo.spec.mjs

@@ -10,6 +10,18 @@ test("Open in-memory database", async (t) => {
   t.is(db.memory, true);
 });
 
+test("Property .name of in-memory database", async (t) => {
+  let name = ":memory:";
+  const db = new Database(name);
+  t.is(db.name,name);
+});
+
+test("Property .name of database", async (t) => {
+  let name = "foobar.db";
+  const db = new Database(name);
+  t.is(db.name,name);
+});
+
 test("Statement.get() returns data", async (t) => {
   const [db] = await connect(":memory:");
   const stmt = db.prepare("SELECT 1");

bindings/javascript/wrapper.js

@@ -22,6 +22,11 @@ class Database {
           return db.inTransaction();
         },
       },
+      name: {
+        get() {
+          return path;
+        },
+      },
     });
   }