| const MinDistance = 10; | 
| const getDirection = (x, y) => { | 
|     if (x > y && x > MinDistance) { | 
|         return 'horizontal'; | 
|     } | 
|     if (y > x && y > MinDistance) { | 
|         return 'vertical'; | 
|     } | 
|     return ''; | 
| }; | 
| export default Behavior({ | 
|     methods: { | 
|         resetTouchStatus() { | 
|             this.direction = ''; | 
|             this.deltaX = 0; | 
|             this.deltaY = 0; | 
|             this.offsetX = 0; | 
|             this.offsetY = 0; | 
|         }, | 
|         touchStart(event) { | 
|             this.resetTouchStatus(); | 
|             const [touch] = event.touches; | 
|             this.startX = touch.clientX; | 
|             this.startY = touch.clientY; | 
|         }, | 
|         touchMove(event) { | 
|             const [touch] = event.touches; | 
|             this.deltaX = touch.clientX - this.startX; | 
|             this.deltaY = touch.clientY - this.startY; | 
|             this.offsetX = Math.abs(this.deltaX); | 
|             this.offsetY = Math.abs(this.deltaY); | 
|             this.direction = getDirection(this.offsetX, this.offsetY); | 
|         }, | 
|     }, | 
| }); |