TLExternalContentSource
type TLExternalContentSource =
| {
data: any
type: 'excalidraw'
}
| {
data: null | string
reason: string
type: 'error'
}
| {
data: string
subtype: 'html' | 'json' | 'text' | 'url'
type: 'text'
}
| {
data: TLContent
type: 'tldraw'
}