Complete project redo, got carried away, and forgot to commit during rewriting

src/components/dbSelector.js

@@ -0,0 +1,28 @@
+import React from 'react'
+
+export default function DbSelector(props) {
+  const { qdbs, onChange } = props
+
+  return (
+    <>
+      <select
+        style={{ margin: '10px 0px' }}
+        defaultValue={-1}
+        onChange={(event) => {
+          onChange(qdbs[event.target.value])
+        }}
+      >
+        <option disabled value={-1}>
+          {' -- Válassz egy kérdés adatbázist -- '}
+        </option>
+        {qdbs.map((qdb, i) => {
+          return (
+            <option value={i} key={qdb.name}>
+              {qdb.name}
+            </option>
+          )
+        })}
+      </select>
+    </>
+  )
+}