AbstractOptionalupdateCallback: Function | UpdateCallback(optional) callback to run after a
successful lookup
OptionalsourceIDCanonical identifier for this source. Lower-case string, no whitespace.
OptionalsupportedRegExp for URLs this adapter can handle.
Callback to run after a successful lookup
Does this adapter support the given URL? By default, performs a simple regex check.
the URL to test
true if supported
Return the canonical source identifier for this adapter
the source ID
AbstractlookupPerform a lookup for a given URL.
the URL to perform lookup for
promise that resolves with a LookupResult on success, and rejects with an error on failure
Adapter that, given a URL, looks up metadata that can identify a review subject, such as a book's title or a restaurant name.