Backend half

SerpentRace_Backend/node_modules/mariadb/callback.js

@@ -0,0 +1,76 @@
+//  SPDX-License-Identifier: LGPL-2.1-or-later
+//  Copyright (c) 2015-2024 MariaDB Corporation Ab
+
+'use strict';
+
+require('./check-node');
+
+const ConnectionCallback = require('./lib/connection-callback');
+const ClusterCallback = require('./lib/cluster-callback');
+const PoolCallback = require('./lib/pool-callback');
+
+const ConnOptions = require('./lib/config/connection-options');
+const PoolOptions = require('./lib/config/pool-options');
+const ClusterOptions = require('./lib/config/cluster-options');
+const Connection = require('./lib/connection');
+
+module.exports.version = require('./package.json').version;
+module.exports.SqlError = require('./lib/misc/errors').SqlError;
+
+module.exports.defaultOptions = function defaultOptions(opts) {
+  const connOpts = new ConnOptions(opts);
+  const res = {};
+  for (const [key, value] of Object.entries(connOpts)) {
+    if (!key.startsWith('_')) {
+      res[key] = value;
+    }
+  }
+  return res;
+};
+
+module.exports.createConnection = function createConnection(opts) {
+  const conn = new Connection(new ConnOptions(opts));
+  const connCallback = new ConnectionCallback(conn);
+  conn
+    .connect()
+    .then(
+      function () {
+        conn.emit('connect');
+      }.bind(conn)
+    )
+    .catch(conn.emit.bind(conn, 'connect'));
+  return connCallback;
+};
+
+exports.createPool = function createPool(opts) {
+  const options = new PoolOptions(opts);
+  const pool = new PoolCallback(options);
+  // adding a default error handler to avoid exiting application on connection error.
+  pool.on('error', (err) => {});
+  return pool;
+};
+
+exports.createPoolCluster = function createPoolCluster(opts) {
+  const options = new ClusterOptions(opts);
+  return new ClusterCallback(options);
+};
+
+module.exports.importFile = function importFile(opts, callback) {
+  const cb = callback ? callback : () => {};
+  try {
+    const options = new ConnOptions(opts);
+    const conn = new Connection(options);
+    conn
+      .connect()
+      .then(() => {
+        return new Promise(conn.importFile.bind(conn, Object.assign({ skipDbCheck: true }, opts)));
+      })
+      .then(() => cb())
+      .catch((err) => cb(err))
+      .finally(() => {
+        new Promise(conn.end.bind(conn, {})).catch(console.log);
+      });
+  } catch (err) {
+    cb(err);
+  }
+};