refactor: use context method arguments

Author: hisasann

src/pages/example/use-plugin.vue

@@ -13,7 +13,12 @@ import { Component, Vue } from 'nuxt-property-decorator'
 export default class UsePlugin extends Vue {
   public c: string = 'a'
 
+  public asyncData(context) {
+    console.log(context.app.$C)
+  }
+
   public mounted() {
+    console.log(this.$C)
     this.c = this.$C
   }
 

src/routed-pages/routing-validate.vue

@@ -21,7 +21,7 @@ export default class extends Vue {
     }
   }
 
-  public validate({ params, query, store }) {
+  public validate({ params, query, store, app }) {
     if (params.condition === 'true') {
       return true // params バリデーションを通過したとき
     }