Creates a new Whitelist with additional allowed attributes
for the
given tags
that will be copied from the source.
The tags
and attributes
can be one of the following types:
String
containing a tag name or attribute name;Iterable<String>
containing tag names or attribute names;- Matcher.
If when
is provided, the attribute will only be copied if when
applies. Only if both tags
and attributes
match will
when
be invoked.
Source
Whitelist attributes(dynamic tags, dynamic attributes, {Filter when});