opengraph library

@project : opengraph @author : Baldomero (datogedon@gmail.com) @link : https://github.com/baldomerocho/flutter_opengraph/ @Disc : a dart and flutter package to fetch and preview OpenGraph data

Classes

FaviconParser
Extracts the favicon declared by a Document head.
HtmlMetaParser
Takes a Document and parses OpengraphMetadata from <meta>, <title> and <img> tags
JsonLdParser
Takes a Document and parses OpengraphMetadata from json-ld data in <script>
OgAudio
An og:audio object with its structured properties.
OgImage
An og:image object with its structured properties.
OgMedia
Common fields of every OpenGraph media object.
OgVideo
An og:video object with its structured properties.
OpengraphCache
In-memory cache for opengraph_fetch results.
OpenGraphConfiguration
OpenGraphEntity
OpenGraphEntity represents the OpenGraph protocol Properties:
OpengraphFetch
OpengraphMetadata
Container class for Metadata
OpengraphMetadataAdapter
Adapter to convert between OpengraphMetadata and OpenGraphEntity
OpengraphMetadataParser
Does Works with BaseOpengraphParser
OpengraphParser
Takes a Document and parses OpengraphMetadata from <meta property='og:*'> tags
OpengraphPreview
A widget that fetches and displays OpenGraph data
OpenGraphRequest
OpenGraphRequest is a singleton class that fetches OpenGraph data from the given URL
OpenGraphRequestInterface
Interface for OpenGraphRequest
TwitterCardParser
Takes a Document and parses OpengraphMetadata from <meta property='twitter:*'> tags
WidgetOpenGraph
WidgetOpenGraph Widget Internal widget to show the OpenGraphEntity data This widget is used by OpenGraphPreview

Enums

OpenGraphLayout
How the preview card arranges its image and texts.

Functions

opengraph_fetch(String url, {bool throwOnError = false, Map<String, String>? headers, Duration? maxAge}) → Future<OpenGraphEntity?>
Fetch OpenGraph data from a URL and return it as an OpenGraphEntity
opengraph_fetch_raw(String url) → Future
Fetch OpenGraph data from a URL and return the raw metadata