fix exporting huge text notes (export would get stuck on HTML pretty printing)

src/services/export/zip.js

@@ -13,6 +13,7 @@ const fs = require("fs");
 const becca = require("../../becca/becca");
 const RESOURCE_DIR = require('../../services/resource_dir').RESOURCE_DIR;
 const archiver = require('archiver');
+const log = require("../log");
 
 /**
  * @param {TaskContext} taskContext
@@ -54,7 +55,7 @@ function exportToZip(taskContext, branch, format, res) {
 
         let existingExtension = path.extname(fileName).toLowerCase();
         let newExtension;
-        
+
         if (fileName.length > 30) {
             fileName = fileName.substr(0, 30);
         }
@@ -254,7 +255,9 @@ ${content}
 </html>`;
             }
 
-            return html.prettyPrint(content, {indent_size: 2});
+            return content.length < 100000
+                ? html.prettyPrint(content, {indent_size: 2})
+                : content;
         }
         else if (noteMeta.format === 'markdown') {
             let markdownContent = mdService.toMarkdown(content);
@@ -274,6 +277,8 @@ ${content}
     const notePaths = {};
 
     function saveNote(noteMeta, filePathPrefix) {
+        log.info(`Exporting note ${noteMeta.noteId}`);
+
         if (noteMeta.isClone) {
             const targetUrl = getTargetUrl(noteMeta.noteId, noteMeta);