Convert arrays in WOQL.doc (#191)

Fixes #190

Author: Neelterminusdb

lib/query/woqlDoc.js

@@ -40,7 +40,7 @@ function convert(obj) {
       '@type': 'Value',
       variable: obj.name,
     };
-  } if (typeof (obj) === 'object') {
+  } if (typeof (obj) === 'object' && !Array.isArray(obj)) {
     const pairs = [];
     // eslint-disable-next-line no-restricted-syntax
     for (const [key, value] of Object.entries(obj)) {
@@ -57,6 +57,12 @@ function convert(obj) {
         data: pairs,
       },
     };
+  } if (typeof (obj) === 'object' && Array.isArray(obj)) {
+    const list = obj.map(convert);
+    return {
+      '@type': 'Value',
+      list,
+    };
   }
 }