Make buffers work both in browser and node.js

Author: hoijnet

lib/woqlClient.js

@@ -5,6 +5,7 @@
 /// /@ts-check
 const FormData = require('form-data');
 const fs = require('fs');
+const { Buffer } = require('buffer');
 const typedef = require('./typedef');
 const CONST = require('./const');
 const DispatchRequest = require('./dispatchRequest');
@@ -648,7 +649,7 @@ WOQLClient.prototype.query = function (woql, commitMsg, allWitnesses, lastDataVe
   const providedResourcesLookupMap = (resources ?? [])
     .reduce((map, res) => ({ ...map, [(res.filename).split('/').pop()]: res.data }), {});
 
-  if (woql && woql.json && (!woql.containsUpdate() || commitMsg)) {
+  if (woql?.json && (!woql.containsUpdate() || commitMsg)) {
     const doql = woql.containsUpdate() ? this.generateCommitInfo(commitMsg) : {};
     doql.query = woql.json();
 
@@ -667,14 +668,14 @@ 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));
         }
         resourceObject.source.post = fileName;
       });
 
-      formData.append('payload', new Blob([JSON.stringify(doql)], { type: 'application/json' }), 'body.json');
+      formData.append('payload', Buffer.from(JSON.stringify(doql)), { filename: 'body.json', contentType: 'application/json' });
       if (formData.getHeaders) {
         this.customHeaders(formData.getHeaders());
       } else {