message: fix(modifiers/snap): allow arbitrary fields on snap targets
diff: @@ -9,10 +9,11 @@ export interface Offset {
  }
  export interface SnapPosition {
  - x: number
  - y: number
  + x?: number
  + y?: number
  range?: number
  offset?: Offset
  + [index: string]: any
  }
  export type SnapFunction = (
  