fix: fixed issue

Author: ftgibran

src/AdapSwiper.ts

@@ -142,24 +142,24 @@ export class AdapSwiper extends Mixins(MixinAdapScreenSize) {
   nextSlide() {
     const component = this.$refs.swiperComponent as SwiperComponent
     if (component) {
-      component.swiper.slideNext()
+      component.$swiper.slideNext()
     }
   }
 
   prevSlide() {
     const component = this.$refs.swiperComponent as SwiperComponent
     if (component) {
-      component.swiper.slidePrev()
+      component.$swiper.slidePrev()
     }
   }
 
   async pageChangeEvent(args: Swiper) {
     this.$emit('slideChange', args)
 
     this.isBeginning = Boolean(
-      this.swiperComponent && this.swiperComponent.swiper && this.swiperComponent.swiper.isBeginning
+      this.swiperComponent && this.swiperComponent.$swiper && this.swiperComponent.$swiper.isBeginning
     )
-    this.isEnd = Boolean(this.swiperComponent && this.swiperComponent.swiper && this.swiperComponent.swiper.isEnd)
+    this.isEnd = Boolean(this.swiperComponent && this.swiperComponent.$swiper && this.swiperComponent.$swiper.isEnd)
 
     if (this.hasReachedTheLimit || this.locked) return
 

src/vue-awesome-swiper.d.ts

@@ -17,7 +17,7 @@ declare module 'vue-awesome-swiper' {
   export { default as Swiper } from 'swiper'
 
   export class SwiperComponent extends Vue {
-    swiper: Swiper
+    $swiper: Swiper
     options: SwiperOptions
     globalOptions: SwiperOptions
     classes: {