added conditional db connection.

Author: ariflogs

.npmignore

@@ -2,3 +2,4 @@ src
 test
 .github
 .gitignore
+TODO.md

package.json

@@ -10,10 +10,10 @@
     "url": "https://github.com/ariflogs/SQL-to-NoSQL"
   },
   "homepage": "https://github.com/ariflogs/SQL-to-NoSQL",
-  "main": "dist/index.js",
+  "main": "dist/index.mjs",
   "scripts": {
     "dev": "tsc -w",
-    "start": "tsc && node dist/index.js",
+    "start": "tsc && node dist/index.mjs",
     "build": "npx prettier . --check && tsc",
     "test": "echo \"Error: no test specified\" && exit 1",
     "pretty": "npx prettier . --write"
@@ -37,4 +37,4 @@
   "dependencies": {
     "mongodb": "^6.1.0"
   }
-}
+}

src/index.mts

@@ -21,7 +21,6 @@ export class SqlToNoSql {
     }
 
     const q = parseQuery(query);
-    this.client = await connect(this.config.connection);
 
     const filters: {
       [key: string]: {
@@ -47,9 +46,14 @@ export class SqlToNoSql {
     };
 
     try {
-      await this.client.connect();
+      if (!this.client) {
+        this.client = await connect(this.config.connection);
+        await this.client.connect();
+      }
+
       const db = this.client.db();
       const collection = db.collection(mongoQuery.collection);
+
       const data = await collection[mongoQuery[q.command]](
         mongoQuery.query,
       ).toArray();