Converted the core to ES modules

src/core/operations/legacy/BSON.js

@@ -0,0 +1,59 @@
+import bsonjs from "bson";
+import {Buffer} from "buffer";
+
+
+/**
+ * BSON operations.
+ *
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ *
+ * @namespace
+ */
+const BSON = {
+
+    /**
+     * BSON serialise operation.
+     *
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {ArrayBuffer}
+     */
+    runBSONSerialise(input, args) {
+        if (!input) return new ArrayBuffer();
+
+        const bson = new bsonjs();
+
+        try {
+            const data = JSON.parse(input);
+            return bson.serialize(data).buffer;
+        } catch (err) {
+            return err.toString();
+        }
+    },
+
+
+    /**
+     * BSON deserialise operation.
+     *
+     * @param {ArrayBuffer} input
+     * @param {Object[]} args
+     * @returns {string}
+     *
+     */
+    runBSONDeserialise(input, args) {
+        if (!input.byteLength) return "";
+
+        const bson = new bsonjs();
+
+        try {
+            const data = bson.deserialize(new Buffer(input));
+            return JSON.stringify(data, null, 2);
+        } catch (err) {
+            return err.toString();
+        }
+    },
+};
+
+export default BSON;