Fix variable name mismatches in from() and length() methods

Author: hoijnet

lib/query/woqlQuery.js

@@ -425,7 +425,7 @@ WOQLQuery.prototype.from = function (graphRef, query) {
   // return ['graph', 'query']
   if (this.cursor['@type']) this.wrapCursorWithAnd();
   this.cursor['@type'] = 'From';
-  if (!graphRef || typeof graph !== 'string') {
+  if (!graphRef || typeof graphRef !== 'string') {
     return this.parameterError(
       'The first parameter to from must be a Graph Filter Expression (string)',
     );
@@ -1389,9 +1389,9 @@ WOQLQuery.prototype.length = function (inputVarList, resultVarName) {
   if (this.cursor['@type']) this.wrapCursorWithAnd();
   this.cursor['@type'] = 'Length';
   this.cursor.list = this.cleanDataValue(inputVarList);
-  if (typeof vb === 'number') {
+  if (typeof resultVarName === 'number') {
     this.cursor.length = this.cleanObject(resultVarName, 'xsd:nonNegativeInteger');
-  } else if (typeof vb === 'string') {
+  } else if (typeof resultVarName === 'string') {
     this.cursor.length = this.varj(resultVarName);
   }
   return this;

lib/woqlClient.js

@@ -667,7 +667,7 @@ WOQLClient.prototype.query = function (woql, commitMsg, allWitnesses, lastDataVe
         const fileName = resourceObject.source.post.split('/').pop();
 
         if (providedResourceInsteadOfFile) {
-          formData.append("file", new Blob([providedResourceInsteadOfFile], { type: "application/csv" }), fileName)
+          formData.append('file', Buffer.from(providedResourceInsteadOfFile), { filename: fileName, contentType: 'application/csv' });
         } else {
           formData.append('file', fs.createReadStream(resourceObject.source.post));
         }