| "use strict"; |
| |
| var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"); |
| |
| var _jsxAstUtils = require("jsx-ast-utils"); |
| |
| var _schemas = require("../util/schemas"); |
| |
| var _ISO = _interopRequireDefault(require("../util/attributes/ISO.json")); |
| |
| /** |
| * @fileoverview Enforce lang attribute has a valid value. |
| * @author Ethan Cohen |
| */ |
| // ---------------------------------------------------------------------------- |
| // Rule Definition |
| // ---------------------------------------------------------------------------- |
| var errorMessage = 'lang attribute must have a valid value.'; |
| var schema = (0, _schemas.generateObjSchema)(); |
| module.exports = { |
| meta: { |
| docs: { |
| url: 'https://github.com/evcohen/eslint-plugin-jsx-a11y/tree/master/docs/rules/lang.md' |
| }, |
| schema: [schema] |
| }, |
| create: function create(context) { |
| return { |
| JSXAttribute: function JSXAttribute(node) { |
| var name = (0, _jsxAstUtils.propName)(node); |
| |
| if (name && name.toUpperCase() !== 'LANG') { |
| return; |
| } |
| |
| var parent = node.parent; |
| var type = (0, _jsxAstUtils.elementType)(parent); |
| |
| if (type && type !== 'html') { |
| return; |
| } |
| |
| var value = (0, _jsxAstUtils.getLiteralPropValue)(node); // Don't check identifiers |
| |
| if (value === null) { |
| return; |
| } |
| |
| if (value === undefined) { |
| context.report({ |
| node, |
| message: errorMessage |
| }); |
| return; |
| } |
| |
| var hyphen = value.indexOf('-'); |
| var lang = hyphen > -1 ? value.substring(0, hyphen) : value; |
| var country = hyphen > -1 ? value.substring(3) : undefined; |
| |
| if (_ISO["default"].languages.indexOf(lang) > -1 && (country === undefined || _ISO["default"].countries.indexOf(country) > -1)) { |
| return; |
| } |
| |
| context.report({ |
| node, |
| message: errorMessage |
| }); |
| } |
| }; |
| } |
| }; |