chrome extension change download file name form
chrome.downloads.onDeterminingFilename.addListener(function(item, suggest) { if (item.referrer.search("gutenberg.org") == -1) { // If the file does not come from gutenberg.org, suggest nothing new. suggest({filename: item.filename}); } else { // Otherwise, fetch the book's title in storage... chrome.storage.local.get([item.referrer], function(result) { if (result[item.referrer] == null) { // ...and if we find don't find it, suggest nothing new. suggest({filename: item.filename}); console.log('Nothing done.'); } else { // ...if we find it, suggest it. fileExt = item.filename.split('.').pop(); var newFilename = "gutenberg/" + result[item.referrer] + "." + fileExt; suggest({filename: newFilename}); console.log('New filename: ' + newFilename); } }); // Storage API is asynchronous so we need to return true return true; } });
