pub fn chart_block(
block: Uuid,
spec: &str,
caption: &str,
height: i32,
height_is_auto: bool,
data_file_url: Option<&str>,
) -> GutenbergBlockExpand description
A moocfi/chart. spec is the Vega-Lite JSON specification as a string; data is
referenced by URL from within the spec (see the chart block editor).
data_file_url is the uploaded file the spec reads from, or None for a chart without one.