module.add(user,problem,record)

hydro/uninstall.js

@@ -0,0 +1,19 @@
+const
+    Mongo = require('mongodb'),
+    options = require('./lib/options');
+
+async function run() {
+    let mongourl = 'mongodb://';
+    if (options.db.username) mongourl += options.db.username + ':' + options.db.password + '@';
+    mongourl += `${options.db.host}:${options.db.port}/${options.db.name}`;
+    let Database = await Mongo.MongoClient.connect(mongourl, { useNewUrlParser: true, useUnifiedTopology: true });
+    let db = Database.db(options.db.name);
+    await db.dropDatabase();
+    console.log('Dropped');
+    process.exit(0);
+}
+
+run().catch(e => {
+    console.error(e);
+    process.exit(1);
+});