feat: add typescript types for $sentry

env parameter SENTRY_DISABLED=true omits injection sentry at all, therefore checking if sentry is avaialble is the safer appraoch (and therefore making typedef of $sentry optional)

package.json

@@ -10,7 +10,8 @@
     }
   ],
   "files": [
-    "lib"
+    "lib",
+    "types"
   ],
   "main": "lib/module.js",
   "scripts": {

types/index.d.ts

@@ -3,20 +3,24 @@ import { Client } from '@sentry/types';
 // add type to Vue context
 declare module 'vue/types/vue' {
   interface Vue {
-    $sentry: Client;
+    readonly $sentry?: Client;
   }
 }
 
-// since nuxt 2.7.1 there is "NuxtAppOptions" for app context - see https://github.com/nuxt/nuxt.js/pull/5701
-declare module '@nuxt/vue-app' {
+// App Context and NuxtAppOptions
+declare module '@nuxt/types' {
+  interface Context {
+    readonly $sentry?: Client;
+  }
+
   interface NuxtAppOptions {
-    $sentry: Client;
+    readonly $sentry?: Client;
   }
 }
 
 // add types for Vuex Store
 declare module 'vuex/types' {
   interface Store<S> {
-    $sentry: Client;
+    readonly $sentry?: Client;
   }
 }