'use strict';

module.exports = {
  extends: ['eslint:recommended', 'ash-nazg/sauron-node'],
  parserOptions: {
    "ecmaVersion": 10,
    sourceType: 'module'
  },
  env: {
    browser: true,
    es6: true
  },
  settings: {
    polyfills: [
      // These are the primary polyfills needed by regular users if
      //  not present, e.g., with core-js-bundle; also those under
      //  extensions
      // 'Array.isArray',
      // 'Blob',
      // 'console',
      // 'CustomEvent',
      // 'document.body',
      // 'document.createElementNS',
      // 'document.evaluate',
      // 'document.head',
      // 'document.importNode',
      // 'document.querySelector',
      // 'document.querySelectorAll',
      // 'DOMParser',
      // 'Error',
      'fetch',
      // 'FileReader',
      // 'JSON',
      // 'KeyboardEvent',
      // 'location.href',
      // 'location.origin',
      // 'MouseEvent',
      // 'MutationObserver',
      // 'navigator',
      // 'Number.isNaN',
      // 'Number.parseFloat',
      // 'Number.parseInt',
      // 'Object.assign',
      // 'Object.defineProperty',
      // 'Object.defineProperties',
      // 'Object.entries',
      // 'Object.getOwnPropertyDescriptor',
      // 'Object.keys',
      // 'Object.values',
      'Promise',
      'Promise.all',
      // 'Set',
      'Uint8Array',
      'URL',
      // 'URL.createObjectURL',
      // 'XMLSerializer',
      // 'XMLHttpRequest',
      // 'window.getComputedStyle',
      // 'window.parent',
      // 'window.scrollX',
      // 'window.scrollY'
    ]
  },
  rules: {
    // check-examples is not picking up eslint config properly in some
    //  environments; see also discussion above
    //  `mocha-cleanup/no-assertions-outside-it`
    'jsdoc/check-examples': ['warn', {
      rejectExampleCodeRegex: '^`'
    }],

    // https://github.com/sindresorhus/eslint-plugin-unicorn/issues/453
    'unicorn/regex-shorthand': 0,
    // The Babel transform seems to have a problem converting these
    'prefer-named-capture-group': 'off',
    'jsdoc/require-file-overview': ['error', {
      tags: {
        file: {
          initialCommentsOnly: true,
          preventDuplicates: true
        },
        license: {
          initialCommentsOnly: true,
          preventDuplicates: true
        },
        copyright: {
          initialCommentsOnly: true,
          preventDuplicates: true
        },
        author: {
          initialCommentsOnly: true,
          preventDuplicates: true
        },
        module: {
          initialCommentsOnly: true,
          preventDuplicates: true
        },
        exports: {
          initialCommentsOnly: true,
          preventDuplicates: true
        }
      }
    }],
    // Warning or Off for now but should be reviewed
    // Override these rules which are difficult for us
    //   to apply at this time
    'unicorn/prefer-string-slice': 'off',
    'default-case': 'off',
    'require-unicode-regexp': 'off',
    'max-len': ['warn', { 'ignoreComments': true, 'code': 130 }], // 130 is too much but too many occurences
    'unicorn/prefer-query-selector': 'off',
    'unicorn/no-fn-reference-in-iterator': 'off',
    'unicorn/prefer-node-append': 'off',
    'unicorn/no-zero-fractions': 'off',
    'unicorn/prefer-number-properties': 'off',
    'eslint-comments/require-description': 'off',
    'compat/compat': 'error',
    'consistent-this': 'off',
    'import/no-anonymous-default-export': 'off',
     'node/no-unsupported-features/node-builtins': 'warn',
     'prefer-exponentiation-operator': 'warn'
  },
  overrides: [
    // Locales have no need for importing outside of SVG-Edit
    // and translations may need a longer line length
    {
      files: [
        'src/editor/locale/lang.*.js', 'src/editor/extensions/ext-locale/**',
        'docs/tutorials/ExtensionDocs.md'
      ],
      rules: {
        'import/no-anonymous-default-export': 'off',
        'max-len': 'off'
      }
    }
  ]
};