Adding "assertive" and "polite" methods as wrapper to "set" method

Author: ktquez

docs/guide/announcer.md

@@ -32,6 +32,8 @@ export default {
     notify () {
       this.errorMessage = 'It\'s error message'
       this.$announcer.set(this.errorMessage, 'assertive')
+      // or
+      this.$announcer.assertive(this.errorMessage)
     }
   }
 }

example/src/pages/About.vue

@@ -26,7 +26,7 @@ export default {
   methods: {
     notify () {
       this.errorMessage = 'It\'s error message'
-      this.$announcer.set(this.errorMessage, 'assertive')
+      this.$announcer.assertive(this.errorMessage)
     }
   },
   head () {

index.d.ts

@@ -6,7 +6,11 @@ export interface Announcer
 
     options: Record<string, object>;
 
-    set(message: string): void;
+    set(message: string, politeness: string): void;
+
+    polite(message: string): void;
+    
+    assertive(message: string): void;
 
     reset(): void;
 

src/index.js

@@ -28,6 +28,14 @@ export default function install (Vue, options = {}, router = null) {
       })
     },
 
+    polite (message) {
+      return this.set(message, 'polite')
+    },
+
+    assertive (message) {
+      return this.set(message, 'assertive')
+    },
+
     reset () {
       this.data.content = ''
       this.data.politeness = this.options.politeness