77 lines
3.0 KiB
JavaScript
77 lines
3.0 KiB
JavaScript
'use strict';
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var _ariaQuery = require('aria-query');
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var _jsxAstUtils = require('jsx-ast-utils');
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var _schemas = require('../util/schemas');
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var _getTabIndex = require('../util/getTabIndex');
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var _getTabIndex2 = _interopRequireDefault(_getTabIndex);
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var _isInteractiveElement = require('../util/isInteractiveElement');
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var _isInteractiveElement2 = _interopRequireDefault(_isInteractiveElement);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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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); } } /**
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* @fileoverview Enforce elements with aria-activedescendant are tabbable.
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* @author Jesse Beach <@jessebeach>
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*/
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// ----------------------------------------------------------------------------
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// Rule Definition
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// ----------------------------------------------------------------------------
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var errorMessage = 'An element that manages focus with `aria-activedescendant` must be tabbable';
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var schema = (0, _schemas.generateObjSchema)();
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var domElements = [].concat(_toConsumableArray(_ariaQuery.dom.keys()));
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module.exports = {
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meta: {
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docs: {},
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schema: [schema]
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},
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create: function create(context) {
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return {
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JSXOpeningElement: function JSXOpeningElement(node) {
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var attributes = node.attributes;
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if ((0, _jsxAstUtils.getProp)(attributes, 'aria-activedescendant') === undefined) {
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return;
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}
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var type = (0, _jsxAstUtils.elementType)(node);
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// Do not test higher level JSX components, as we do not know what
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// low-level DOM element this maps to.
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if (domElements.indexOf(type) === -1) {
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return;
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}
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var tabIndex = (0, _getTabIndex2.default)((0, _jsxAstUtils.getProp)(attributes, 'tabIndex'));
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// If this is an interactive element, tabIndex must be either left
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// unspecified allowing the inherent tabIndex to obtain or it must be
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// zero (allowing for positive, even though that is not ideal). It cannot
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// be given a negative value.
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if ((0, _isInteractiveElement2.default)(type, attributes) && (tabIndex === undefined || tabIndex >= 0)) {
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return;
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}
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if (tabIndex >= 0) {
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return;
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}
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context.report({
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node: node,
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message: errorMessage
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});
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}
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};
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}
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}; |