keep component alive during page transition

surmon-china#388

Author: DarkRiDDeR

src/swiper.vue

@@ -84,6 +84,11 @@
         type: Object,
         required: false,
         default: () => ({})
+      },
+      cleanStylesOnDestroy: {
+        type: Boolean,
+        required: false,
+        default: true
       }
     },
     data() {
@@ -122,7 +127,7 @@
     beforeDestroy() {
       this.$nextTick(function() {
         if (this.swiper) {
-          this.swiper.destroy && this.swiper.destroy()
+          this.swiper.destroy && this.swiper.destroy(true, this.cleanStylesOnDestroy)
           delete this.swiper
         }
       })