renderHeadless()

Render a specific spine item document headless. Spine items can have more than one document iframe rendered (PDF for example render an extra canvas to show the page) but the document that matters to you is the one containing the actual content.

const document$ = reader.renderHeadless(3)

Reference

renderHeadless(spineItem)

function locateResource(spineItem: SpineItemReference): Observable<{
    doc: Document;
    release: () => void;
} | undefined>

Parameters

• spineItem: A reference to a spine item (index, id, ...)

Returns

Observable<{
    doc: Document;
    release: () => void;
} | undefined>

An observable containing frame document or undefined