fix Vars

Author: Francesca-Bit

lib/query/woqlDoc.js

@@ -76,8 +76,10 @@ function Doc(obj) {
 }
 
 function Vars(...args) {
-  args.forEach(function (k) {
-    this[k] = new Var(k);
-});
+  for (let i = 0, j = arguments.length; i < j; i += 1) {
+    const argumentName = args[i];
+    this[argumentName] = new Var(argumentName);
+  }
+}
 
-module.exports = { Vars, Var, Doc };
+module.exports = { Vars, Var, Doc };

lib/woql.js

@@ -3,7 +3,7 @@
 /// /@ts-check
 // I HAVE TO REVIEW THE Inheritance and the prototype chain
 const WOQLQuery = require('./query/woqlBuilder');
-const { Var, Doc } = require('./query/woqlDoc');
+const { Vars, Var, Doc } = require('./query/woqlDoc');
 /**
  * @license Apache Version 2
  * @module WOQL
@@ -1315,6 +1315,14 @@ WOQL.client = function (client) {
   return this._client;
 };
 
+/**
+ *
+ * @param  {...string} varNames
+ * @returns object
+ * @example
+ * const v = WOQL.Vars('var01', 'var02', 'var03');
+ * triple(v.var01, v.var02, v.var03)
+ */
 WOQL.Vars = function (...varNames) {
   return new Vars(...varNames);
 };