Draft: fix: disable export empty book
Fetches "hasContent" when calling "getBook" and "updateContent".
Requires at least one book component with hasContent === true
or the
download button is disabled.
Related to #870 (closed)
Fetches "hasContent" when calling "getBook" and "updateContent".
Requires at least one book component with hasContent === true
or the
download button is disabled.
Related to #870 (closed)