Function set_metadata 

pub fn set_metadata(
    flo_data: &[u8],
    metadata: JsValue,
) -> Result<Vec<u8>, JsValue>

Replace just the metadata in a flo™ file (convenience function)

Takes a metadata object directly instead of MessagePack bytes.

Arguments

• flo_data - Original flo™ file bytes
• metadata - JavaScript metadata object

Returns

New flo™ file with updated metadata