fix: Automa make download slower

src/background/index.js

@@ -365,38 +365,6 @@ chrome.runtime.onStartup.addListener(async () => {
   await browser.storage.local.set({ onStartupTriggers });
 });
 
-if (chrome.downloads) {
-  const getFileExtension = (str) => /(?:\.([^.]+))?$/.exec(str)[1];
-  chrome.downloads.onDeterminingFilename.addListener((item, suggest) => {
-    const filesname =
-      JSON.parse(sessionStorage.getItem('rename-downloaded-files')) || {};
-    const suggestion = filesname[item.id];
-
-    if (!suggestion) return true;
-
-    const hasFileExt = getFileExtension(suggestion.filename);
-
-    if (!hasFileExt) {
-      const filExtension = getFileExtension(item.filename);
-      suggestion.filename += `.${filExtension}`;
-    }
-
-    if (!suggestion.waitForDownload) delete filesname[item.id];
-
-    sessionStorage.setItem(
-      'rename-downloaded-files',
-      JSON.stringify(filesname)
-    );
-
-    suggest({
-      filename: suggestion.filename,
-      conflictAction: suggestion.onConflict,
-    });
-
-    return false;
-  });
-}
-
 const message = new MessageListener('background');
 
 message.on('fetch:text', (url) => {

src/background/workflow-engine/blocks-handler/handler-export-data.js

@@ -31,7 +31,7 @@ async function exportData({ data, outputs }, { refData }) {
     });
 
     if (hasDownloadAccess) {
-      const filename = `${data.name}${files[data.type].ext}`;
+      const filename = `${data.name || 'unnamed'}${files[data.type].ext}`;
       const options = {
         filename,
         conflictAction: data.onConflict || 'uniquify',

src/background/workflow-engine/blocks-handler/handler-handle-download.js

@@ -1,6 +1,33 @@
 import browser from 'webextension-polyfill';
 import { getBlockConnection } from '../helper';
 
+const getFileExtension = (str) => /(?:\.([^.]+))?$/.exec(str)[1];
+function determineFilenameListener(item, suggest) {
+  const filesname =
+    JSON.parse(sessionStorage.getItem('rename-downloaded-files')) || {};
+  const suggestion = filesname[item.id];
+
+  if (!suggestion) return true;
+
+  const hasFileExt = getFileExtension(suggestion.filename);
+
+  if (!hasFileExt) {
+    const filExtension = getFileExtension(item.filename);
+    suggestion.filename += `.${filExtension}`;
+  }
+
+  if (!suggestion.waitForDownload) delete filesname[item.id];
+
+  sessionStorage.setItem('rename-downloaded-files', JSON.stringify(filesname));
+
+  suggest({
+    filename: suggestion.filename,
+    conflictAction: suggestion.onConflict,
+  });
+
+  return false;
+}
+
 function handleDownload({ data, outputs }) {
   const nextBlockId = getBlockConnection({ outputs });
   const getFilesname = () =>
@@ -9,6 +36,15 @@ function handleDownload({ data, outputs }) {
   return new Promise((resolve) => {
     if (!this.activeTab.id) throw new Error('no-tab');
 
+    const hasListener = chrome.downloads.onDeterminingFilename.hasListeners(
+      () => {}
+    );
+    if (!hasListener) {
+      chrome.downloads.onDeterminingFilename.addListener(
+        determineFilenameListener
+      );
+    }
+
     let downloadId = null;
     const handleCreated = ({ id }) => {
       if (downloadId) return;
@@ -64,6 +100,10 @@ function handleDownload({ data, outputs }) {
         JSON.stringify(filesname)
       );
 
+      chrome.downloads.onDeterminingFilename.removeListener(
+        determineFilenameListener
+      );
+
       resolve({
         nextBlockId,
         data: currentFilename,