chapter 02: create a genericEncoder that violates the open/closed pri…

…nciple
devcorpio · Mar 30, 2019 · 8de78eb · 8de78eb
1 parent d63d6cb
commit 8de78eb
Showing 1 changed file with 22 additions and 0 deletions.
diff --git a/chapter-02-the-open-closed-principle/genericEncoder.js b/chapter-02-the-open-closed-principle/genericEncoder.js
@@ -0,0 +1,22 @@
+function genericEncoder() {
+    function encodeToFormat(data, format) {
+        let encoder;
+        if (format === 'json') {
+            encoder = new JsonEncoder();
+        } else if (format === 'xml') {
+            encoder = new XmlEncoder();
+        } else {
+            throw new Error('Unknown format');
+        }
+
+        data = prepareData(data, format);
+
+        return encoder.encode(data);
+    }
+
+    return {
+        encodeToFormat,
+    };
+}
+
+module.exports = genericEncoder;