feat(stats): add "delete all data" button

src/views/Stats.vue

@@ -1,6 +1,39 @@
 <template>
   <v-card>
     <v-card-title>Stats</v-card-title>
-    <v-card-text>TODO</v-card-text>
+    <v-card-text
+      >Stats aren't currently available. Check back later!</v-card-text
+    >
+    <v-card-actions>
+      <v-spacer />
+      <v-btn class="error" @click="deleteAllData">Delete all data</v-btn>
+    </v-card-actions>
   </v-card>
 </template>
+
+<script lang="ts">
+import Vue from "vue";
+import Component from "vue-class-component";
+import { commitSnackbarText } from "../store";
+
+@Component
+export default class extends Vue {
+  public deleteAllData(): void {
+    let confirmation = prompt("Type 'delete' to confirm.");
+    if (confirmation === null) {
+      confirmation = "";
+    }
+    confirmation = confirmation.toLowerCase().trim();
+    if (confirmation === "delete") {
+      commitSnackbarText(this.$store, "Deleted all data.");
+      localStorage.clear();
+      window.location.assign("/");
+    } else {
+      commitSnackbarText(
+        this.$store,
+        "Confirmation failed — no data was deleted.",
+      );
+    }
+  }
+}
+</script>