Java集合-List

一、背景

最新版的eslint，默认init之后为eslint.config.js，整体配置较之前版本均有变动； vite&ts版本。

1.1 安装

pnpm i eslint -D

1.2 初始化

npx eslint --init
npx eslint --init
Need to install the following packages:
  @eslint/create-config@1.0.1
Ok to proceed? (y) y
npm WARN EBADENGINE Unsupported engine {
npm WARN EBADENGINE   package: '@eslint/create-config@1.0.1',
npm WARN EBADENGINE   required: { node: '^18.18.0 || ^20.9.0 || >=21.1.0' },
npm WARN EBADENGINE   current: { node: 'v18.14.0', npm: '9.3.1' }
npm WARN EBADENGINE }
? How would you like to use ESLint? ...
  To check syntax only
> To check syntax and find problems
  To check syntax, find problems, and enforce code style
? What type of modules does your project use? ...
> JavaScript modules (import/export)
  CommonJS (require/exports)
  None of these
  

√ How would you like to use ESLint? · problems
√ What type of modules does your project use? · esm
√ Which framework does your project use? · vue
√ Does your project use TypeScript? · typescript
√ Where does your code run? · browser
The config that you've selected requires the following dependencies:

eslint, globals, @eslint/js, typescript-eslint, eslint-plugin-vue
√ Would you like to install them now? · No / Yes
? Which package manager do you want to use? ...
  npm
  yarn
> pnpm
  bun

1.3 配置文件修正

import globals from 'globals'
// 预定义配置
import pluginJs from '@eslint/js'
import tseslint from 'typescript-eslint'
import pluginVue from 'eslint-plugin-vue'

// import babelParser from "@typescript-eslint/parser";
import commpnParser from 'vue-eslint-parser'
import prettier from 'eslint-plugin-prettier'

// "@babel/eslint-parser";

// import customConfig from "./esconfig/custom_config.js";

export default [
  // languageOptions：配置如何检查 js 代码
  {
    // 1.1 处理 与 JavaScript 相关的配置项
    // - ecmaVersion
    // - sourceType
    // - globals
    // - parser
    // - parserOptions
    // files: ["**/*.ts", "**/*.vue"],
    // ignores: ["**/*.config.js"],
    ignores: [
      '**/*.config.js',
      'dist/**',
      'node_modules/**',
      '!**/eslint.config.js',
    ],
    languageOptions: {
      // 1.11 定义可用的全局变量
      globals: globals.browser,
      // 1.12 扩展
      // ecmaVersion: "latest",
      // sourceType: "module",
      parser: commpnParser,
      parserOptions: {
        ecmaVersion: 'latest',
        sourceType: 'module',
        parser: '@typescript-eslint/parser',
        jsxPragma: 'React',
        ecmaFeatures: {
          jsx: true,
        },
      },
    },
  },
  // 原来的extends替换为如下模式
  pluginJs.configs.recommended,
  ...tseslint.configs.recommended,
  ...pluginVue.configs['flat/essential'],
  {
    plugins: {
      prettier,
    },
    rules: {
      // 开启这条规则后，会将prettier的校验规则传递给eslint，这样eslint就可以按照prettier的方式来进行代码格式的校验
      'prettier/prettier': 'error',
      // eslint（https://eslint.bootcss.com/docs/rules/）
      'no-var': 'error', // 要求使用 let 或 const 而不是 var
      'no-multiple-empty-lines': ['warn', { max: 1 }], // 不允许多个空行
      'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
      'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
      'no-unexpected-multiline': 'error', // 禁止空余的多行
      'no-useless-escape': 'off', // 禁止不必要的转义字符

      // typeScript (https://typescript-eslint.io/rules)
      '@typescript-eslint/no-unused-vars': 'error', // 禁止定义未使用的变量
      '@typescript-eslint/prefer-ts-expect-error': 'error', // 禁止使用 @ts-ignore
      '@typescript-eslint/no-explicit-any': 'off', // 禁止使用 any 类型
      '@typescript-eslint/no-non-null-assertion': 'off',
      '@typescript-eslint/no-namespace': 'off', // 禁止使用自定义 TypeScript 模块和命名空间。
      '@typescript-eslint/semi': 'off',

      // eslint-plugin-vue (https://eslint.vuejs.org/rules/)
      'vue/multi-word-component-names': 'off', // 要求组件名称始终为 “-” 链接的单词
      'vue/script-setup-uses-vars': 'error', // 防止<script setup>使用的变量<template>被标记为未使用
      'vue/no-mutating-props': 'off', // 不允许组件 prop的改变
      'vue/attribute-hyphenation': 'off', // 对模板中的自定义组件强制执行属性命名样式
    },
  },
]