eslint-config-chain-able
Version:
an opinionated ESLint configuration
77 lines (56 loc) • 3.1 kB
JavaScript
var _ariaQuery = require('aria-query');
var _jsxAstUtils = require('jsx-ast-utils');
var _schemas = require('../util/schemas');
var _getTabIndex = require('../util/getTabIndex');
var _getTabIndex2 = _interopRequireDefault(_getTabIndex);
var _isInteractiveElement = require('../util/isInteractiveElement');
var _isInteractiveElement2 = _interopRequireDefault(_isInteractiveElement);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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 elements with aria-activedescendant are tabbable.
* @author Jesse Beach <@jessebeach>
*/
// ----------------------------------------------------------------------------
// Rule Definition
// ----------------------------------------------------------------------------
var errorMessage = 'An element that manages focus with `aria-activedescendant` must be tabbable';
var schema = (0, _schemas.generateObjSchema)();
var domElements = [].concat(_toConsumableArray(_ariaQuery.dom.keys()));
module.exports = {
meta: {
docs: {},
schema: [schema]
},
create: function create(context) {
return {
JSXOpeningElement: function JSXOpeningElement(node) {
var attributes = node.attributes;
if ((0, _jsxAstUtils.getProp)(attributes, 'aria-activedescendant') === undefined) {
return;
}
var type = (0, _jsxAstUtils.elementType)(node);
// Do not test higher level JSX components, as we do not know what
// low-level DOM element this maps to.
if (domElements.indexOf(type) === -1) {
return;
}
var tabIndex = (0, _getTabIndex2.default)((0, _jsxAstUtils.getProp)(attributes, 'tabIndex'));
// If this is an interactive element, tabIndex must be either left
// unspecified allowing the inherent tabIndex to obtain or it must be
// zero (allowing for positive, even though that is not ideal). It cannot
// be given a negative value.
if ((0, _isInteractiveElement2.default)(type, attributes) && (tabIndex === undefined || tabIndex >= 0)) {
return;
}
if (tabIndex >= 0) {
return;
}
context.report({
node: node,
message: errorMessage
});
}
};
}
};
;