add 字幕下载，但是还没有正确打包

youtube_sub.js

@@ -8,9 +8,12 @@
 // @match        https://www.youtube.com/*
 // @grant        GM_addStyle
 // @grant        GM_xmlhttpRequest
+// @grant        GM_download
+// @connect      *
 // @connect      sonygod-flash.hf.space
 // @require      https://cdn.jsdelivr.net/npm/marked/marked.min.js
 // @require      https://cdnjs.cloudflare.com/ajax/libs/dompurify/3.0.6/purify.min.js
+// @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js
 // @run-at       document-end
 // ==/UserScript==
 
@@ -670,6 +673,79 @@ GM_addStyle(`
                 this.downloadFile('mixed.srt', srt);
             }));
 
+            // Add export button after existing exports
+            exportDiv.appendChild(createExportButton('Export Words by Letter (ZIP)', async () => {
+                try {
+                    console.log('Starting ZIP export...');
+                    const words = [...this.loadNewWordsCache()].sort();
+                    console.log(`Got ${words.length} words`);
+            
+                    // Create ZIP
+                    const zip = new JSZip();
+            
+                    // Group and add files
+                    const groups = words.reduce((acc, word) => {
+                        const letter = word[0].toLowerCase();
+                        if (/[a-z]/.test(letter)) {
+                            if (!acc[letter]) acc[letter] = [];
+                            acc[letter].push(word);
+                        }
+                        return acc;
+                    }, {});
+            
+                    Object.entries(groups).forEach(([letter, words]) => {
+                        zip.file(`${letter}.txt`, words.join('\n'));
+                        console.log(`Added ${letter}.txt with ${words.length} words`);
+                    });
+            
+                    // Try TamperMonkey GM_download first
+                    try {
+                        const base64 = await zip.generateAsync({
+                            type: "base64",
+                            compression: "DEFLATE"
+                        });
+                        
+                        console.log('ZIP generated in base64');
+                        
+                        // Define download handler
+                        const downloadHandler = {
+                            url: "data:application/zip;base64," + base64,
+                            name: "words.zip",
+                            saveAs: true,
+                            onload: () => console.log('Download started'),
+                            onerror: (err) => {
+                                console.error('GM_download failed:', err);
+                                throw err;
+                            }
+                        };
+            
+                        console.log('Initiating GM_download...');
+                        GM_download(downloadHandler);
+                        
+                    } catch (gmError) {
+                        console.error('GM_download failed, falling back to blob:', gmError);
+                        
+                        // Fallback to Blob approach
+                        const blob = await zip.generateAsync({
+                            type: "blob",
+                            compression: "DEFLATE"
+                        });
+                        
+                        const url = URL.createObjectURL(blob);
+                        const link = document.createElement('a');
+                        link.href = url;
+                        link.download = 'words.zip';
+                        document.body.appendChild(link);
+                        link.click();
+                        document.body.removeChild(link);
+                        URL.revokeObjectURL(url);
+                    }
+            
+                } catch (error) {
+                    console.error('ZIP export failed:', error);
+                    alert('Failed to export ZIP file: ' + error.message);
+                }
+            }));
 
 
 
@@ -752,15 +828,24 @@ GM_addStyle(`
         }
         // Add helper methods to class
         downloadFile(filename, content) {
-            const blob = new Blob([content], { type: 'text/plain;charset=utf-8' });
-            const url = URL.createObjectURL(blob);
-            const link = document.createElement('a');
-            link.href = url;
-            link.download = filename;
-            document.body.appendChild(link);
-            link.click();
-            document.body.removeChild(link);
-            URL.revokeObjectURL(url);
+            try {
+                console.log('downloadFile started:', filename, content instanceof Blob);
+                const url = content instanceof Blob ?
+                    URL.createObjectURL(content) :
+                    URL.createObjectURL(new Blob([content], { type: 'text/plain;charset=utf-8' }));
+
+                const link = document.createElement('a');
+                link.href = url;
+                link.download = filename;
+                document.body.appendChild(link);
+                link.click();
+                document.body.removeChild(link);
+                URL.revokeObjectURL(url);
+                console.log('Download completed');
+            } catch (error) {
+                console.error('Download failed:', error);
+                alert('Failed to download file: ' + error.message);
+            }
         }