尚硅谷toRefs和toRef学习示例
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heiye111
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.gitignore
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.gitignore
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# Logs
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logs
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*.log
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npm-debug.log*
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yarn-debug.log*
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yarn-error.log*
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pnpm-debug.log*
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lerna-debug.log*
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node_modules
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.DS_Store
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dist
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dist-ssr
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coverage
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*.local
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/cypress/videos/
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/cypress/screenshots/
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# Editor directories and files
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.vscode/*
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!.vscode/extensions.json
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.idea
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*.suo
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*.ntvs*
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*.njsproj
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*.sln
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*.sw?
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*.tsbuildinfo
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3
.vscode/extensions.json
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.vscode/extensions.json
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{
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"recommendations": ["Vue.volar"]
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}
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42
README.md
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README.md
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# hello_vue3
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This template should help get you started developing with Vue 3 in Vite.
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## Recommended IDE Setup
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[VS Code](https://code.visualstudio.com/) + [Vue (Official)](https://marketplace.visualstudio.com/items?itemName=Vue.volar) (and disable Vetur).
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## Recommended Browser Setup
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- Chromium-based browsers (Chrome, Edge, Brave, etc.):
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- [Vue.js devtools](https://chromewebstore.google.com/detail/vuejs-devtools/nhdogjmejiglipccpnnnanhbledajbpd)
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- [Turn on Custom Object Formatter in Chrome DevTools](http://bit.ly/object-formatters)
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- Firefox:
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- [Vue.js devtools](https://addons.mozilla.org/en-US/firefox/addon/vue-js-devtools/)
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- [Turn on Custom Object Formatter in Firefox DevTools](https://fxdx.dev/firefox-devtools-custom-object-formatters/)
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## Type Support for `.vue` Imports in TS
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TypeScript cannot handle type information for `.vue` imports by default, so we replace the `tsc` CLI with `vue-tsc` for type checking. In editors, we need [Volar](https://marketplace.visualstudio.com/items?itemName=Vue.volar) to make the TypeScript language service aware of `.vue` types.
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## Customize configuration
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See [Vite Configuration Reference](https://vite.dev/config/).
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## Project Setup
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```sh
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npm install
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```
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### Compile and Hot-Reload for Development
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```sh
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npm run dev
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```
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### Type-Check, Compile and Minify for Production
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```sh
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npm run build
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```
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index.html
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index.html
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<!DOCTYPE html>
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<html lang="">
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<head>
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<meta charset="UTF-8">
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<link rel="icon" href="/favicon.ico">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Vite App</title>
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</head>
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<body>
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<div id="app"></div>
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<script type="module" src="/src/main.ts"></script>
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</body>
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</html>
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3143
package-lock.json
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3143
package-lock.json
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package.json
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package.json
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{
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"name": "hello_vue3",
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"version": "0.0.0",
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"private": true,
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"type": "module",
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"engines": {
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"node": "^20.19.0 || >=22.12.0"
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},
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"scripts": {
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"dev": "vite",
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"build": "run-p type-check \"build-only {@}\" --",
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"preview": "vite preview",
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"build-only": "vite build",
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"type-check": "vue-tsc --build"
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},
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"dependencies": {
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"vue": "^3.5.22"
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},
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"devDependencies": {
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"@tsconfig/node22": "^22.0.2",
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"@types/node": "^22.18.6",
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"@vitejs/plugin-vue": "^6.0.1",
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"@vue/tsconfig": "^0.8.1",
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"npm-run-all2": "^8.0.4",
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"typescript": "~5.9.0",
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"vite": "^7.1.7",
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"vite-plugin-vue-devtools": "^8.0.2",
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"vue-tsc": "^3.1.0"
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}
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}
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BIN
public/favicon.ico
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BIN
public/favicon.ico
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Binary file not shown.
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src/App.vue
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src/App.vue
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<template>
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<div class="app">
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<h1>Hello World,你好呀!</h1>
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<Person/>
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</div>
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</template>
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<script setup lang="ts">
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import Person from './components/Person.vue';
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</script>
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<style scoped>
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</style>
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65
src/components/Person.vue
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src/components/Person.vue
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<template>
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<div class="person">
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<h3>一辆{{brand}}汽车的价格是:{{ jg }}万元!</h3>
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<button @click="changePrice">加价10万元</button>
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<h3>我的游戏:</h3>
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<ul>
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<li v-for="game in games" :key="game.id">{{game.name}}</li>
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</ul>
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<button @click="changeGame">添加新游戏</button>
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</div>
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</template>
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<script setup lang="ts">
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import { reactive, ref, toRefs, toRef } from 'vue';
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let car = reactive({
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brand: '奔驰',
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price: 100,
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color: '黑色',
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})
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let { brand, price, color } = toRefs(car);
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let jg = toRef(car, 'price');
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console.log(brand, price, color);
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let games = ref([
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{ name: '游戏1', id: 10 },
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{ name: '游戏2', id: 20 },
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{ name: '游戏3', id: 30 }
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]);
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function changePrice() {
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price.value += 10;
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console.log(price.value);
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}
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function changeGame() {
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games.value = [{ name: '游戏1', id: 10 },
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{ name: '游戏2asdasd', id: 20 },
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{ name: '游戏3', id: 30 }];
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// Object.assign(games, [{ name: '游戏1saddsa222', id: 10 },
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// { name: '游戏2asdas', id: 20 },
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// { name: '游戏3', id: 30 }]);
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}
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</script>
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<style scoped>
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.person{
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background-color: #a7b8bb;
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padding: 20px;
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border-radius: 10px;
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box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
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width: 80%;
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margin: 0 auto;
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}
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button{
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background-color: #313633;
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color: #15d11f;
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margin: 0 10px;
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}
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</style>
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src/main.ts
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src/main.ts
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import { createApp } from "vue";
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import App from "./App.vue";
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createApp(App).mount("#app");
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tsconfig.app.json
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tsconfig.app.json
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{
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"extends": "@vue/tsconfig/tsconfig.dom.json",
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"include": ["env.d.ts", "src/**/*", "src/**/*.vue"],
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"exclude": ["src/**/__tests__/*"],
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"compilerOptions": {
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"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
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"paths": {
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"@/*": ["./src/*"]
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}
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}
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}
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tsconfig.json
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tsconfig.json
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{
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"files": [],
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"references": [
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{
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"path": "./tsconfig.node.json"
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},
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{
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"path": "./tsconfig.app.json"
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}
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]
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}
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tsconfig.node.json
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tsconfig.node.json
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{
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"extends": "@tsconfig/node22/tsconfig.json",
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"include": [
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"vite.config.*",
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"vitest.config.*",
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"cypress.config.*",
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"nightwatch.conf.*",
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"playwright.config.*",
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"eslint.config.*"
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],
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"compilerOptions": {
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"noEmit": true,
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"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.node.tsbuildinfo",
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"module": "ESNext",
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"moduleResolution": "Bundler",
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"types": ["node"]
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}
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}
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18
vite.config.ts
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vite.config.ts
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import { fileURLToPath, URL } from 'node:url'
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import { defineConfig } from 'vite'
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import vue from '@vitejs/plugin-vue'
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import vueDevTools from 'vite-plugin-vue-devtools'
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// https://vite.dev/config/
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export default defineConfig({
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plugins: [
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vue(),
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vueDevTools(),
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],
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resolve: {
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alias: {
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'@': fileURLToPath(new URL('./src', import.meta.url))
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},
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},
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})
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