title Type – MouseState

type MouseState = {
  buttons: {
    left: boolean,
    middle: boolean,
    right: boolean,
  },
  button: "left" | "middle" | "right" | null,
  x: number,
  y: number,
  moveX: number,
  moveY: number,
}

Source

packages / workbench / src / providers / event-provider.ts