TLAssetPartial • tldraw Docs

Partial type for TLAsset allowing optional properties except id and type. Useful for creating or updating assets where not all properties need to be specified.

type TLAssetPartial<T extends TLAsset = TLAsset> = T extends T
  ? {
      id: TLAssetId
      meta?: Partial<T['meta']>
      props?: Partial<T['props']>
      type: T['type']
    } & Partial<Omit<T, 'id' | 'meta' | 'props' | 'type'>>
  : never

Example

// Create a partial asset for updating
const partialAsset: TLAssetPartial<TLImageAsset> = {
  id: 'asset:image123',
  type: 'image',
  props: {
    w: 800, // Only updating width
  },
}

// Use in asset updates
editor.updateAssets([partialAsset])