// https://eslint.org/docs/latest/use/configure/configuration-files-new
// https://eslint.org/docs/latest/use/configure/migration-guide
import js from '@eslint/js';
import globals from 'globals';
import stylistic from '@stylistic/eslint-plugin';

export default [
  // https://eslint.org/docs/latest/use/configure/configuration-files-new#globally-ignoring-files-with-ignores
  // object with just `ignores` applies to all configuration objects
  // had `ln -s .gitignore .eslintignore` before, but .eslintignore no longer supported
  {
    ignores: ['data/**', 'megalinter-reports/**'],
  },
  js.configs.recommended, // TODO still needed?
  {
    // files: ['*.js'],
    languageOptions: {
      globals: {
        ...globals.node,
        ...globals.browser,
      },
    },
    plugins: {
      '@stylistic': stylistic,
    },
    // https://eslint.org/docs/latest/rules/
    // https://eslint.style/packages/js
    rules: {
      'no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
      'prefer-const': 'error',
      '@stylistic/array-bracket-newline': ['error', 'consistent'],
      '@stylistic/array-bracket-spacing': 'error',
      '@stylistic/array-element-newline': ['error', 'consistent'],
      '@stylistic/arrow-parens': ['error', 'as-needed'],
      '@stylistic/arrow-spacing': 'error',
      '@stylistic/block-spacing': 'error',
      '@stylistic/brace-style': 'error',
      '@stylistic/comma-dangle': ['error', 'always-multiline'],
      '@stylistic/comma-spacing': 'error',
      '@stylistic/comma-style': 'error',
      '@stylistic/eol-last': 'error',
      '@stylistic/func-call-spacing': 'error',
      '@stylistic/function-paren-newline': ['error', 'consistent'],
      '@stylistic/implicit-arrow-linebreak': 'error',
      '@stylistic/indent': ['error', 2],
      '@stylistic/key-spacing': 'error',
      '@stylistic/keyword-spacing': 'error',
      '@stylistic/linebreak-style': 'error',
      '@stylistic/no-extra-parens': 'error',
      '@stylistic/no-extra-semi': 'error',
      '@stylistic/no-mixed-spaces-and-tabs': 'error',
      '@stylistic/no-multi-spaces': 'error',
      '@stylistic/no-multiple-empty-lines': 'error',
      '@stylistic/no-tabs': 'error',
      '@stylistic/no-trailing-spaces': 'error',
      '@stylistic/no-whitespace-before-property': 'error',
      '@stylistic/nonblock-statement-body-position': 'error',
      '@stylistic/object-curly-newline': 'error',
      '@stylistic/object-curly-spacing': ['error', 'always'],
      '@stylistic/object-property-newline': ['error', { allowAllPropertiesOnSameLine: true }],
      '@stylistic/quote-props': ['error', 'as-needed'],
      '@stylistic/quotes': ['error', 'single'],
      '@stylistic/rest-spread-spacing': 'error',
      '@stylistic/semi': 'error',
      '@stylistic/semi-spacing': 'error',
      '@stylistic/semi-style': 'error',
      '@stylistic/space-before-blocks': 'error',
      '@stylistic/space-before-function-paren': ['error', { anonymous: 'never', named: 'never', asyncArrow: 'always' }],
      '@stylistic/space-in-parens': 'error',
      '@stylistic/space-infix-ops': 'error',
      '@stylistic/space-unary-ops': 'error',
      '@stylistic/spaced-comment': 'error',
      '@stylistic/switch-colon-spacing': 'error',
      '@stylistic/template-curly-spacing': 'error',
      '@stylistic/template-tag-spacing': 'error',
      '@stylistic/wrap-regex': 'error',
    },
  },
];