CC-1523: YAML-JSON conversion

src/core/config/Categories.json

@@ -65,6 +65,8 @@
             "Parse TLV",
             "CSV to JSON",
             "JSON to CSV",
+            "YAML to JSON",
+            "JSON to YAML",
             "Avro to JSON",
             "CBOR Encode",
             "CBOR Decode"

src/core/operations/JSONToYAML.mjs

@@ -0,0 +1,48 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+import YAML from 'yaml'
+import Operation from "../Operation.mjs";
+import OperationError from "../errors/OperationError.mjs";
+
+/**
+ * JSON to YAML operation
+ */
+class JSONToYAML extends Operation {
+
+    /**
+     * JSONToYAML constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "JSON to YAML";
+        this.module = "Default";
+        this.description = "Converts JSON data to a YAML.";
+        this.infoURL = "https://yaml.org/spec/1.2.2/";
+        this.inputType = "string";
+        this.outputType = "string";
+        this.args = [];
+    }
+
+    /**
+     * @param {JSON} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const doc = new YAML.Document();
+        try {
+            doc.contents = JSON.parse(input.replace(/(\w+):/gm, `"$1":`));
+            return doc.toString()
+        } catch (err) {
+            throw new OperationError("Unable to parse JSON to YAML: " + err.toString());
+        }
+    }
+
+}
+
+export default JSONToYAML;

src/core/operations/YAMLToJSON.mjs

@@ -0,0 +1,53 @@
+/**
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2018
+ * @license Apache-2.0
+ */
+
+import YAML from 'yaml'
+import Operation from "../Operation.mjs";
+import OperationError from "../errors/OperationError.mjs";
+
+/**
+ * YAML To JSON operation
+ */
+class YAMLToJSON extends Operation {
+
+    /**
+     * YAMLToJSON constructor
+     */
+    constructor() {
+        super();
+
+        this.name = "YAML to JSON";
+        this.module = "Default";
+        this.description = "Converts YAML data to a JSON based on the definition in RFC 4180.";
+        this.infoURL = "https://en.wikipedia.org/wiki/JSON";
+        this.inputType = "string";
+        this.outputType = "JSON";
+        this.args = [
+            {
+                name: "Use Spaces",
+                type: "number",
+                value: 0
+            }
+        ];
+    }
+
+    /**
+     * @param {YAML} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    run(input, args) {
+        const [spaces] = args;
+        try {
+            return JSON.stringify(YAML.parseDocument(input).toJSON(), null, spaces);
+        } catch (err) {
+            throw new OperationError("Unable to parse YAML To JSON: " + err.toString());
+        }
+    }
+
+}
+
+export default YAMLToJSON;