metalink 2.0.0

URL metadata extraction package for Dart, providing rich link previews, JSON-LD, and oEmbed support.

CHANGELOG

2.0.0-dev.1

• Dev pre-release for v2 workflow validation.

2.0.0

Complete Rewrite & Major Architecture Update

• New Architecture: Introduced a candidate-based extraction pipeline (Scoring system) for higher quality metadata selection.
• New Extractors:
  • JSON-LD: Full support for extracting structured data and deriving page metadata from it.
  • oEmbed: Support for discovering and fetching oEmbed (JSON/XML) data.
  • Web App Manifest: Support for fetching .webmanifest files.
• Robust Networking:
  • New HtmlSnippetFetcher with advanced charset detection (BOM, Headers, Meta tags).
  • Smart redirect handling (HEAD then GET).
  • Safe body truncation and proxy support.
• API Changes:
  • MetaLink.extract is now the primary static entry point.
  • MetaLinkClient allows for shared configuration and instance management.
  • New ExtractionResult class containing metadata, diagnostics, and provenance.
• Caching: Added HiveCacheStore for persistent caching and MemoryCacheStore.

1.0.4

• CHORE: updated dart_helper_utils version boundaries to ">=4.1.2 <6.0.0"

1.0.3

• Allowed to pass optional proxyUrl to the LinkMetadata model.

1.0.2

• Enhancements to storage caches.

1.0.1

• Enhanced README

1.0.0

• Initial Release