| "use strict"; |
| |
| var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"); |
| |
| var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray")); |
| |
| var _ariaQuery = require("aria-query"); |
| |
| var _jsxAstUtils = require("jsx-ast-utils"); |
| |
| var _schemas = require("../util/schemas"); |
| |
| var _isSemanticRoleElement = _interopRequireDefault(require("../util/isSemanticRoleElement")); |
| |
| /** |
| * @fileoverview Enforce that elements with ARIA roles must |
| * have all required attributes for that role. |
| * @author Ethan Cohen |
| */ |
| // ---------------------------------------------------------------------------- |
| // Rule Definition |
| // ---------------------------------------------------------------------------- |
| var errorMessage = function errorMessage(role, requiredProps) { |
| return "Elements with the ARIA role \"".concat(role, "\" must have the following attributes defined: ").concat(String(requiredProps).toLowerCase()); |
| }; |
| |
| var schema = (0, _schemas.generateObjSchema)(); |
| module.exports = { |
| meta: { |
| docs: { |
| url: 'https://github.com/evcohen/eslint-plugin-jsx-a11y/tree/master/docs/rules/role-has-required-aria-props.md' |
| }, |
| schema: [schema] |
| }, |
| create: function create(context) { |
| return { |
| JSXAttribute: function JSXAttribute(attribute) { |
| var name = (0, _jsxAstUtils.propName)(attribute).toLowerCase(); |
| |
| if (name !== 'role') { |
| return; |
| } |
| |
| var type = (0, _jsxAstUtils.elementType)(attribute.parent); |
| |
| if (!_ariaQuery.dom.get(type)) { |
| return; |
| } |
| |
| var roleAttrValue = (0, _jsxAstUtils.getLiteralPropValue)(attribute); |
| var attributes = attribute.parent.attributes; // If value is undefined, then the role attribute will be dropped in the DOM. |
| // If value is null, then getLiteralAttributeValue is telling us |
| // that the value isn't in the form of a literal. |
| |
| if (roleAttrValue === undefined || roleAttrValue === null) { |
| return; |
| } |
| |
| var normalizedValues = String(roleAttrValue).toLowerCase().split(' '); |
| var validRoles = normalizedValues.filter(function (val) { |
| return (0, _toConsumableArray2["default"])(_ariaQuery.roles.keys()).indexOf(val) > -1; |
| }); // Check semantic DOM elements |
| // For example, <input type="checkbox" role="switch" /> |
| |
| if ((0, _isSemanticRoleElement["default"])(type, attributes)) { |
| return; |
| } // Check arbitrary DOM elements |
| |
| |
| validRoles.forEach(function (role) { |
| var _roles$get = _ariaQuery.roles.get(role), |
| requiredPropKeyValues = _roles$get.requiredProps; |
| |
| var requiredProps = Object.keys(requiredPropKeyValues); |
| |
| if (requiredProps.length > 0) { |
| var hasRequiredProps = requiredProps.every(function (prop) { |
| return (0, _jsxAstUtils.getProp)(attribute.parent.attributes, prop); |
| }); |
| |
| if (hasRequiredProps === false) { |
| context.report({ |
| node: attribute, |
| message: errorMessage(role.toLowerCase(), requiredProps) |
| }); |
| } |
| } |
| }); |
| } |
| }; |
| } |
| }; |