feat(#1): to csv

src/to-csv.js

@@ -0,0 +1,42 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2024 Aliaksei Bialiauski
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+const writer = require('csv-writer');
+
+/**
+ * Flush results to CSV file.
+ * @param {String} filename CSV file name
+ * @param {String} results Results to flush
+ */
+function toCsv(filename, results) {
+  const csvWriter = writer.createObjectCsvWriter({
+    path: `${filename}.csv`,
+    header: Object.keys(results[0]).map((key) => ({id: key, title: key})),
+  });
+  csvWriter
+    .writeRecords(results)
+    .then(() => console.log(`Results saved into ${filename}.csv`))
+    .catch((err) => console.error(err));
+}
+
+module.exports = toCsv;