flutter_web_file_saver 2.0.0

flutter_web_file_saver: ^2.0.0 copied to clipboard

MAJOR UPDATE: Now the most comprehensive Flutter web file saver with 25+ methods!

🎉 Power Features Added #

ZIP Archive Support

• saveAsZip() - Bundle multiple files into a single ZIP archive
  • Perfect for batch exports, project downloads, backup bundles
  • Example: Export all user documents as one ZIP file

Canvas/Screenshot Export

• saveFromCanvas() - One-line screenshot/canvas export
  • Capture widgets, charts, drawings as images
  • Configurable quality and format
  • Perfect for: Charts, signatures, drawings, dashboards

Batch Operations

• saveMultipleFiles() - Save multiple files sequentially
  • Progress callbacks for UI updates
  • Automatic delay between downloads
  • Perfect for: Bulk exports, multi-document generation

Utility Methods

• generateDataUrl() - Create data URLs without downloading
• generateBlobUrl() - Create blob URLs for embedding
• saveAsBase64() - Save and get base64 encoding
• saveTableAsHtml() - Quick HTML table generation
• saveAuto() - Automatic format detection and saving

📊 Now Supporting #

Total Methods: 25+ (was 15)

• ✅ Text files (7 methods)
• ✅ Images (2 methods)
• ✅ Video (3 methods)
• ✅ Audio (3 methods)
• ✅ ZIP archives (1 method)
• ✅ Canvas/Screenshots (1 method)
• ✅ Batch operations (1 method)
• ✅ Utility methods (7 methods)

🎯 Perfect For #

• Enterprise Apps - Bulk document exports, ZIP archives
• Design Tools - Canvas export, screenshot capture
• Analytics Dashboards - Chart exports, multi-format reports
• Content Creators - Media bundling, batch processing
• E-Learning - Assignment bundles, resource packages
• Data Apps - Multi-file exports, archive creation

💡 New Dependencies #

• Added archive: ^3.6.1 for ZIP support

🔧 Breaking Changes #

None! Fully backward compatible with v1.x

• Added video file support
  • saveVideoUrl() - Save video from URL or data URL
  • saveVideoBlob() - Save video from MediaRecorder blob
  • saveVideo() - Save video from bytes with format detection
• Added audio file support
  • saveAudioUrl() - Save audio from URL or data URL
  • saveAudioBlob() - Save audio from MediaRecorder blob
  • saveAudio() - Save audio from bytes with format detection
• Perfect for:
  • Screen recording apps
  • Video/audio editors
  • Media streaming apps
  • Voice note apps
  • Podcast recorders

• Initial release
• Support for saving text files (.txt, .json, .csv, .html, .xml, .md)
• Support for saving binary files (PDF, images, archives, etc.)
• Support for saving images from URLs and data URLs
• Native browser "Save As" dialog integration
• Comprehensive MIME type constants
• Auto-detection of MIME types from file extensions
• Full documentation and examples
• Zero external dependencies (only Flutter SDK and package:web)

Features #

• saveFile() - Save binary data with custom MIME type
• saveText() - Save text content with encoding options
• saveJson() - Save JSON data with pretty-print option
• saveCsv() - Save CSV data with custom delimiter
• saveHtml() - Save HTML content
• saveMarkdown() - Save Markdown content
• saveXml() - Save XML content
• saveImageUrl() - Save images from URLs or data URLs
• saveWithAutoDetect() - Auto-detect MIME type from filename
• MimeTypes - Comprehensive MIME type constants
• SaveResult - Typed result with success status and error handling