eslint.config.js

import js from '@eslint/js';
import pluginVue from 'eslint-plugin-vue';
import * as parserVue from 'vue-eslint-parser';
import configPrettier from 'eslint-config-prettier';
import pluginPrettier from 'eslint-plugin-prettier';
import { defineFlatConfig } from 'eslint-define-config';
import * as parserTypeScript from '@typescript-eslint/parser';
import pluginTypeScript from '@typescript-eslint/eslint-plugin';

export default defineFlatConfig([
  // 默认配置，对所有js文件生效
  {
    // 这里没有配置files字段，实际上它相当于[**/*.js,**/*.cjs,**/*.mjs],
    // 使用 @eslint/js 提供的推荐规则，只有rules
    ...js.configs.recommended,
    // 忽略静态资源文件
    ignores: ['src/assets/**', 'src/**/iconfont/**'],
    // 语言选项
    languageOptions: {
      // 全局变量
      globals: {
        // index.d.ts
        RefType: 'readonly',
        EmitType: 'readonly',
        TargetContext: 'readonly',
        ComponentRef: 'readonly',
        ElRef: 'readonly',
        ForDataType: 'readonly',
        AnyFunction: 'readonly',
        PropType: 'readonly',
        Writable: 'readonly',
        Nullable: 'readonly',
        NonNullable: 'readonly',
        Recordable: 'readonly',
        ReadonlyRecordable: 'readonly',
        Indexable: 'readonly',
        DeepPartial: 'readonly',
        Without: 'readonly',
        Exclusive: 'readonly',
        TimeoutHandle: 'readonly',
        IntervalHandle: 'readonly',
        Effect: 'readonly',
        ChangeEvent: 'readonly',
        WheelEvent: 'readonly',
        ImportMetaEnv: 'readonly',
        Fn: 'readonly',
        PromiseFn: 'readonly',
        ComponentElRef: 'readonly',
        parseInt: 'readonly',
        parseFloat: 'readonly',
      },
    },
    plugins: {
      // 使用 eslint-plugin-prettier 插件，把prettier 的规则转换成 ESLint 规则
      prettier: pluginPrettier,
    },
    rules: {
      // 使用 eslint-plugin-prettier 中的推荐规则
      ...pluginPrettier.configs.recommended.rules,
      // 使用 eslint-config-prettier 关闭所有可能与 Prettier 冲突的 ESLint 规则
      ...configPrettier.rules,
      'no-debugger': 'off',
      'no-unused-vars': [
        'warn',
        {
          argsIgnorePattern: '^_',
          varsIgnorePattern: '^_',
        },
      ],
      'prettier/prettier': [
        'error',
        {
          endOfLine: 'auto',
        },
      ],
    },
  },
  {
    // 对所有ts文件生效
    files: ['**/*.?([cm])ts', '**/*.?([cm])tsx'],
    languageOptions: {
      // 使用 @typescript-eslint/parser 解析器
      parser: parserTypeScript,
      parserOptions: {
        // 指定源码使用esm模块
        sourceType: 'module',
      },
    },
    plugins: {
      '@typescript-eslint': pluginTypeScript,
    },
    rules: {
      ...pluginTypeScript.configs.strict.rules,
      '@typescript-eslint/ban-types': 'off',
      '@typescript-eslint/no-redeclare': 'error',
      '@typescript-eslint/ban-ts-comment': 'off',
      '@typescript-eslint/no-explicit-any': 'off',
      '@typescript-eslint/prefer-as-const': 'warn',
      '@typescript-eslint/no-empty-function': 'off',
      '@typescript-eslint/no-non-null-assertion': 'off',
      '@typescript-eslint/no-import-type-side-effects': 'error',
      '@typescript-eslint/explicit-module-boundary-types': 'off',
      '@typescript-eslint/consistent-type-imports': [
        'error',
        { disallowTypeAnnotations: false, fixStyle: 'inline-type-imports' },
      ],
      '@typescript-eslint/prefer-literal-enum-member': ['error', { allowBitwiseExpressions: true }],
      '@typescript-eslint/no-unused-vars': [
        'error',
        {
          argsIgnorePattern: '^_',
          varsIgnorePattern: '^_',
        },
      ],
    },
  },
  {
    files: ['**/*.d.ts'],
    rules: {
      'eslint-comments/no-unlimited-disable': 'off',
      'import/no-duplicates': 'off',
      'unused-imports/no-unused-vars': 'off',
    },
  },
  {
    files: ['**/*.?([cm])js'],
    rules: {
      '@typescript-eslint/no-require-imports': 'off',
      '@typescript-eslint/no-var-requires': 'off',
    },
  },
  {
    files: ['**/*.vue'],
    languageOptions: {
      globals: {
        // $: "readonly",
        // $$: "readonly",
        // $computed: "readonly",
        // $customRef: "readonly",
        // $ref: "readonly",
        // $shallowRef: "readonly",
        // $toRef: "readonly",
      },
      parser: parserVue,
      parserOptions: {
        ecmaFeatures: {
          jsx: true,
        },
        extraFileExtensions: ['.vue'],
        parser: '@typescript-eslint/parser',
        sourceType: 'module',
      },
    },
    plugins: {
      vue: pluginVue,
    },
    processor: pluginVue.processors['.vue'],
    rules: {
      ...pluginVue.configs.base.rules,
      ...pluginVue.configs['vue3-essential'].rules,
      ...pluginVue.configs['vue3-recommended'].rules,
      'no-undef': 'off',
      'no-unused-vars': 'off',
      'vue/no-v-html': 'off',
      'vue/require-default-prop': 'off',
      'vue/require-explicit-emits': 'off',
      'vue/multi-word-component-names': 'off',
      'vue/no-setup-props-reactivity-loss': 'off',
      // 顶级元素的顺序
      'vue/component-tags-order': [
        'error',
        {
          order: ['template', 'script', 'style'], // 按习惯设置的顺序
        },
      ],
      // "vue/singleline-html-element-content-newline": ["off"],
      // 标签自闭合配置
      'vue/html-self-closing': [
        'error',
        {
          html: {
            void: 'always',
            normal: 'never',
            component: 'never',
          },
          svg: 'always',
          math: 'always',
        },
      ],
      // 控制元素中第一个属性的位置
      'vue/first-attribute-linebreak': [
        'error',
        {
          singleline: 'beside', // 单行时第一个属性不换行
          multiline: 'below', // 多行时第一个属性不换行
        },
      ],
      // 元素有多属性时每行属性数量，单行时一行最多个，多行时每行1个，
      'vue/max-attributes-per-line': [
        'error',
        {
          singleline: 10,
          multiline: {
            max: 3,
          },
        },
      ],

      // "vue/html-closing-bracket-newline": [
      //   "error",
      //   {
      //     singleline: "never",
      //     multiline: "never",
      //   },
      // ],
      // "vue/html-indent": [
      //   "error",
      //   2,
      //   {
      //     attribute: 1,
      //     baseIndent: 1,
      //     closeBracket: 0,
      //     alignAttributesVertically: true,
      //     ignores: [],
      //   },
      // ],
    },
  },
]);