.eslintrc.cjs

/** @type {import('eslint').ESLint.ConfigData} */
const config = {
  extends: ['./node_modules/gts'],
  parserOptions: {
    ecmaVersion: 'latest',
    sourceType: 'module',
    parser: '@typescript-eslint/parser',
  },
  rules: {
    eqeqeq: ['error', 'always', {null: 'ignore'}],
    'no-irregular-whitespace': 'off',
  },
  overrides: [
    {
      files: ['scripts/**/*', 'vite.config.*'],
      rules: {'n/no-unpublished-import': 'off'},
    },
    {
      files: ['**/*.html', '**/*.vue'],
      plugins: ['@html-eslint'],
      extends: ['plugin:@html-eslint/recommended'],
      parser: '@html-eslint/parser',
      rules: {
        '@html-eslint/attrs-newline': 'off',
        '@html-eslint/indent': ['error', 2],
        '@html-eslint/lowercase': 'error',
        '@html-eslint/no-extra-spacing-attrs': [
          'error',
          {enforceBeforeSelfClose: true},
        ],
        '@html-eslint/no-inline-styles': 'error',
        '@html-eslint/no-multiple-empty-lines': ['error', {max: 1}],
        '@html-eslint/no-script-style-type': 'error',
        '@html-eslint/no-target-blank': 'error',
        '@html-eslint/no-trailing-spaces': 'error',
        '@html-eslint/require-closing-tags': 'error',
        '@html-eslint/require-meta-charset': 'error',
        '@html-eslint/require-meta-viewport': 'error',
      },
    },
    {
      files: ['**/*.json'],
      extends: ['plugin:jsonc/recommended-with-jsonc'],
      parser: 'jsonc-eslint-parser',
      rules: {
        'jsonc/array-bracket-newline': 'error',
        'jsonc/array-bracket-spacing': 'error',
        'jsonc/array-element-newline': 'error',
        'jsonc/comma-dangle': 'error',
        'jsonc/indent': ['error', 2],
        'jsonc/key-spacing': 'error',
        'jsonc/object-curly-newline': 'error',
        'jsonc/object-curly-spacing': 'error',
        'jsonc/object-property-newline': 'error',
      },
    },
    {
      files: ['**/*.md'],
      extends: ['plugin:markdownlint/recommended'],
      parser: 'eslint-plugin-markdownlint/parser',
    },
    {
      files: ['**/*.toml'],
      extends: ['plugin:toml/standard'],
      parser: 'toml-eslint-parser',
    },
    {
      files: ['**/*.vue'],
      extends: ['plugin:vue/vue3-recommended'],
      rules: {
        'vue/singleline-html-element-content-newline': 'off',
        'vue/max-attributes-per-line': [
          'warn',
          {
            singleline: {max: 1000},
            multiline: {max: 1},
          },
        ],
        'vue/multiline-html-element-content-newline': 'off',
      },
    },
    {
      files: ['**/*.yaml'],
      extends: ['plugin:yml/standard'],
      parser: 'yaml-eslint-parser',
    },
  ],
};

module.exports = config;