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- 'use strict';
-
- var _ariaQuery = require('aria-query');
-
- var _jsxAstUtils = require('jsx-ast-utils');
-
- var _schemas = require('../util/schemas');
-
- function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } } /**
- * @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 "' + role + '" must have the following attributes defined: ' + 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 value = (0, _jsxAstUtils.getLiteralPropValue)(attribute);
-
- // 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 (value === undefined || value === null) {
- return;
- }
-
- var normalizedValues = String(value).toLowerCase().split(' ');
- var validRoles = normalizedValues.filter(function (val) {
- return [].concat(_toConsumableArray(_ariaQuery.roles.keys())).indexOf(val) > -1;
- });
-
- 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)
- });
- }
- }
- });
- }
- };
- }
- };
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