vue3 + vite + typescript 项目

# 全局安装vite-app
npm i -g vite-app

# 创建项目
yarn create vite-app <project-name>

# 或者
npm init vite-app <project-name>

# 进入项目，安装依赖
cd <project-name>
yarn # 或 npm i

# 运行项目
yarn dev 

# 打开浏览器 http://localhost:3000 查看

# 加入ts依赖
yarn add --dev typescript

{
  "compilerOptions": {
    // 允许从没有设置默认导出的模块中默认导入。这并不影响代码的输出，仅为了类型检查。
    "allowSyntheticDefaultImports": true,
    
    // 解析非相对模块名的基准目录
    "baseUrl": ".",

    "esModuleInterop": true,

    // 从 tslib 导入辅助工具函数（比如 __extends， __rest等）
    "importHelpers": true,

    // 指定生成哪个模块系统代码
    "module": "esnext",

    // 决定如何处理模块。
    "moduleResolution": "node",

    // 启用所有严格类型检查选项。
    // 启用 --strict相当于启用 --noImplicitAny, --noImplicitThis, --alwaysStrict， 
    // --strictNullChecks和 --strictFunctionTypes和--strictPropertyInitialization。
    "strict": true,

    // 生成相应的 .map文件。
    "sourceMap": true,

    // 忽略所有的声明文件（ *.d.ts）的类型检查。
    "skipLibCheck": true,

    // 指定ECMAScript目标版本 
    "target": "esnext",
    
    // 要包含的类型声明文件名列表
    "types": [

    ],

    "isolatedModules": true,

    // 模块名到基于 baseUrl的路径映射的列表。
    "paths": {
      "@/*": [
        "src/*"
      ]
    },
    // 编译过程中需要引入的库文件的列表。
    "lib": [
      "ESNext",
      "DOM",
      "DOM.Iterable",
      "ScriptHost"
    ]
  },
  "include": [
    "src/**/*.ts",
    "src/**/*.tsx",
    "src/**/*.vue",
    "tests/**/*.ts",
    "tests/**/*.tsx"
  ],
  "exclude": [
    "node_modules"
  ]
}

/* eslint-disable */
import type { DefineComponent } from 'vue'

declare module '*.vue' {
  const component: DefineComponent<{}, {}, any>
  export default component
}

<script type="module" src="/src/main.js"></script>
修改为：
<script type="module" src="/src/main.ts"></script>

# 安装eslint prettier 依赖
# @typescript-eslint/parser @typescr ipt-eslint/eslint-plugin 为eslint对typescript支持
yarn add --dev eslint prettier eslint-config-prettier eslint-plugin-prettier eslint-plugin-vue @typescript-eslint/parser @typescr ipt-eslint/eslint-plugin

module.exports = {
  parser: 'vue-eslint-parser',
  parserOptions: {
    parser: '@typescript-eslint/parser',
    ecmaVersion: 2020,
    sourceType: 'module',
    ecmaFeatures: {
      jsx: true
    }
  },
  extends: [
    'plugin:vue/vue3-recommended',
    'plugin:@typescript-eslint/recommended',
    'prettier/@typescript-eslint',
    'plugin:prettier/recommended'
  ],
  rules: {
    '@typescript-eslint/ban-ts-ignore': 'off',
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/no-var-requires': 'off',
    '@typescript-eslint/no-empty-function': 'off',
    'vue/custom-event-name-casing': 'off',
    'no-use-before-define': 'off',
    // 'no-use-before-define': [
    //   'error',
    //   {
    //     functions: false,
    //     classes: true,
    //   },
    // ],
    '@typescript-eslint/no-use-before-define': 'off',
    // '@typescript-eslint/no-use-before-define': [
    //   'error',
    //   {
    //     functions: false,
    //     classes: true,
    //   },
    // ],
    '@typescript-eslint/ban-ts-comment': 'off',
    '@typescript-eslint/ban-types': 'off',
    '@typescript-eslint/no-non-null-assertion': 'off',
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    '@typescript-eslint/no-unused-vars': [
      'error',
      {
        argsIgnorePattern: '^h$',
        varsIgnorePattern: '^h$'
      }
    ],
    'no-unused-vars': [
      'error',
      {
        argsIgnorePattern: '^h$',
        varsIgnorePattern: '^h$'
      }
    ],
    'space-before-function-paren': 'off',
    quotes: ['error', 'single'],
    'comma-dangle': ['error', 'never']
  }
};

module.exports = {
  printWidth: 100,
  tabWidth: 2,
  useTabs: false,
  semi: false, // 未尾逗号
  vueIndentScriptAndStyle: true,
  singleQuote: true, // 单引号
  quoteProps: 'as-needed',
  bracketSpacing: true,
  trailingComma: 'none', // 未尾分号
  jsxBracketSameLine: false,
  jsxSingleQuote: false,
  arrowParens: 'always',
  insertPragma: false,
  requirePragma: false,
  proseWrap: 'never',
  htmlWhitespaceSensitivity: 'strict',
  endOfLine: 'lf'
}

yarn add --dev @babel/core @babel/preset-env @testing-library/jest-dom @types/jest @vue/test-utils@next babel-jest jest ts-jst vue-jest@next

const path = require('path')

module.exports = {
  rootDir: path.resolve(__dirname),
  clearMocks: true,
  coverageDirectory: 'coverage',
  coverageProvider: 'v8',
  moduleFileExtensions: ['vue', 'js', 'json', 'jsx', 'ts', 'tsx', 'node'],
  // 别名设置
  moduleNameMapper: {
    '@/(.*)$': '<rootDir>/src/components/$1'
  },
  preset: 'ts-jest',
  testEnvironment: 'jsdom',
  // 测试文件
  testMatch: ['<rootDir>/tests/unit/*.spec.ts?(x)'],
  
  transform: {
    '^.+\\.vue$': 'vue-jest',
    '^.+\\js$': 'babel-jest',
    '^.+\\.(t|j)sx?$': 'ts-jest'
  }
}

import { mount } from '@vue/test-utils'
import HelloWorld from '@/HelloWorld.vue'

test('displays message', async () => {
  const wrapper = await mount(HelloWorld)

  // Assert the rendered text of the component
  expect(wrapper.find('p').text()).toBe('0')
  await wrapper.find('button').trigger('click')
  expect(wrapper.find('p').text()).toBe('1')
})

"scripts": {
    "dev": "vite",
    "build": "vite build",
    "test": "jest"
 },

 yarn add vue-router@next vuex@next

import { InjectionKey } from 'vue'
import { createStore, Store } from 'vuex'

export interface State {
  count: number
}

export const key: InjectionKey<Store<State>> = Symbol()

export const store = createStore<State>({
  state() {
    return {
      count: 0
    }
  },
  mutations: {
    increment(state) {
      state.count++
    }
  }
})

import { createApp } from 'vue'
import { store, key } from './store'
import App from './App'
import './index.css'

const app = createApp(App)

app.use(store, key)

app.mount('#app')

<template>
  <h1>{{ msg }}</h1>
  <button @click="inCrement"> count is: </button>
  <p>{{ count }}</p>
</template>

<script>
  import { defineComponent, computed } from 'vue'
  import { useStore } from 'vuex'
  import { key } from '../store'

  export default defineComponent({
    name: 'HelloWorld',
    props: {
      msg: {
        type: String,
        default: ''
      }
    },
    setup() {
      const store = useStore(key)

      const count = computed(() => store.state.count)

      return {
        count,
        inCrement: () => store.commit('increment')
      }
    }
  })
</script>