diff --git a/packages/vgrammar/src/types/scale.ts b/packages/vgrammar/src/types/scale.ts index 1de6090c3..e66d14b4d 100644 --- a/packages/vgrammar/src/types/scale.ts +++ b/packages/vgrammar/src/types/scale.ts @@ -144,6 +144,7 @@ export interface ThresholdScaleSpec extends BaseScaleSpec { */ export interface IdentityScaleSpec extends BaseScaleSpec { type: 'identity'; + range?: ScaleFunctionType | ScaleData | MultiScaleData; } export type ScaleSpec =