.eslintrc.js

module.exports = {
  extends: [
    // add more generic rulesets here, such as:
    // 'eslint:recommended',
    'plugin:vue/vue3-recommended',
  ],
  parser: 'vue-eslint-parser',
  parserOptions: {
    parser: '@typescript-eslint/parser',
  },
  rules: {
    // override/ add rules settings here, such as:
    // 'vue/no-unused-vars': 'error'
    'vue/singleline-html-element-content-newline': 0,
    //   [ "warn", {
    //   "ignoreWhenNoAttributes": true,
    //   "ignoreWhenEmpty": true,
    //   "ignores": [ "pre", "textarea", "button", "slot" ]
    // } ],
    // "vue/valid-template-root": 0,
    'vue/html-self-closing': [
      'error',
      {
        html: {
          void: 'any',
          normal: 'any',
          component: 'always',
        },
        svg: 'always',
        math: 'always',
      },
    ],
    'vue/max-attributes-per-line': [
      'error',
      {
        singleline: 4,
        multiline: {
          max: 1,
          allowFirstLine: false,
        },
      },
    ],
    // ts
    'object-curly-spacing': ['error', 'always'],
    // 'array-bracket-spacing': ['error', 'always'],
    // "linebreak-style": [ "error", "windows" ],
    'space-before-function-paren': ['error', 'always'],
    'computed-property-spacing': ['error', 'always'],
  },
}