update

fonctions/getPrefix.ts

@@ -0,0 +1,31 @@
+import sqlite3 from 'sqlite3';
+require('dotenv').config();
+
+function getPrefix() {
+  return new Promise((resolve, reject) => {
+    const dbName = process.env.DB_NAME || 'db.db';
+
+    let db = new sqlite3.Database(dbName, sqlite3.OPEN_READWRITE | sqlite3.OPEN_CREATE, (err: Error | null) => {
+      if (err) {
+        console.error(err.message);
+      }
+    });
+
+    db.get('SELECT prefix FROM prefix', (err: Error | null, row: any) => {
+      if (err) {
+        console.error(err.message);
+        reject(err);
+      }
+      const prefix = row ? row.prefix : process.env.DEFAULT_PREFIX;
+      resolve(prefix);
+    });
+
+    db.close((err) => {
+      if (err) {
+        console.error(err.message);
+      }
+    });
+  });
+}
+
+module.exports = getPrefix;