useScreenOrientation 
Reactive Screen Orientation API. It provides web developers with information about the user's current screen orientation.
Demo 
 For best results, please use a mobile or tablet device (or use your browser's native inspector to simulate an orientation change) 
 isSupported: true
Orientation Type: landscape-primary
Orientation Angle: 0
Usage 
ts
import { useScreenOrientation } from '@vueuse/core'
const {
  isSupported,
  orientation,
  angle,
  lockOrientation,
  unlockOrientation,
} = useScreenOrientation()To lock the orientation, you can pass an OrientationLockType to the lockOrientation function:
ts
import { useScreenOrientation } from '@vueuse/core'
const {
  isSupported,
  orientation,
  angle,
  lockOrientation,
  unlockOrientation,
} = useScreenOrientation()
lockOrientation('portrait-primary')and then unlock again, with the following:
ts
unlockOrientation()Accepted orientation types are one of "landscape-primary", "landscape-secondary", "portrait-primary", "portrait-secondary", "any", "landscape", "natural" and "portrait".
Type Declarations 
Show Type Declarations
typescript
export type OrientationType =
  | "portrait-primary"
  | "portrait-secondary"
  | "landscape-primary"
  | "landscape-secondary"
export type OrientationLockType =
  | "any"
  | "natural"
  | "landscape"
  | "portrait"
  | "portrait-primary"
  | "portrait-secondary"
  | "landscape-primary"
  | "landscape-secondary"
export interface ScreenOrientation extends EventTarget {
  lock: (orientation: OrientationLockType) => Promise<void>
  unlock: () => void
  readonly type: OrientationType
  readonly angle: number
  addEventListener: (
    type: "change",
    listener: (this: this, ev: Event) => any,
    useCapture?: boolean,
  ) => void
}
/**
 * Reactive screen orientation
 *
 * @see https://vueuse.org/useScreenOrientation
 */
export declare function useScreenOrientation(options?: ConfigurableWindow): {
  isSupported: ComputedRef<boolean>
  orientation: Ref<OrientationType | undefined, OrientationType | undefined>
  angle: Ref<number, number>
  lockOrientation: (type: OrientationLockType) => Promise<void>
  unlockOrientation: () => void
}
export type UseScreenOrientationReturn = ReturnType<typeof useScreenOrientation>