Initial commit

src/App.vue

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+<script setup lang="ts"></script>
+
+<template>
+  <h1>You did it!</h1>
+  <p>
+    Visit <a href="https://vuejs.org/" target="_blank" rel="noopener">vuejs.org</a> to read the
+    documentation
+  </p>
+</template>
+
+<style scoped></style>

src/main.ts

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+import { createPinia } from 'pinia';
+import { createApp } from 'vue';
+
+import App from './App.vue';
+import router from './router';
+
+const app = createApp(App);
+
+app.use(createPinia());
+app.use(router);
+
+app.mount('#app');

src/router/index.ts

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+import { createRouter, createWebHistory } from 'vue-router';
+
+const router = createRouter({
+  history: createWebHistory(import.meta.env.BASE_URL),
+  routes: []
+});
+
+export default router;

src/stores/counter.ts

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+import { defineStore } from 'pinia';
+import { computed, ref } from 'vue';
+
+export const useCounterStore = defineStore('counter', () => {
+  const count = ref(0);
+  const doubleCount = computed(() => count.value * 2);
+  function increment() {
+    count.value++;
+  }
+
+  return { count, doubleCount, increment };
+});