eslint-config-chain-able
Version:
an opinionated ESLint configuration
101 lines (72 loc) • 4.73 kB
JavaScript
'use strict';
var _ariaQuery = require('aria-query');
var _jsxAstUtils = require('jsx-ast-utils');
var _arrayIncludes = require('array-includes');
var _arrayIncludes2 = _interopRequireDefault(_arrayIncludes);
var _schemas = require('../util/schemas');
var _isAbstractRole = require('../util/isAbstractRole');
var _isAbstractRole2 = _interopRequireDefault(_isAbstractRole);
var _isHiddenFromScreenReader = require('../util/isHiddenFromScreenReader');
var _isHiddenFromScreenReader2 = _interopRequireDefault(_isHiddenFromScreenReader);
var _isInteractiveElement = require('../util/isInteractiveElement');
var _isInteractiveElement2 = _interopRequireDefault(_isInteractiveElement);
var _isInteractiveRole = require('../util/isInteractiveRole');
var _isInteractiveRole2 = _interopRequireDefault(_isInteractiveRole);
var _isNonInteractiveElement = require('../util/isNonInteractiveElement');
var _isNonInteractiveElement2 = _interopRequireDefault(_isNonInteractiveElement);
var _isNonInteractiveRole = require('../util/isNonInteractiveRole');
var _isNonInteractiveRole2 = _interopRequireDefault(_isNonInteractiveRole);
var _isPresentationRole = require('../util/isPresentationRole');
var _isPresentationRole2 = _interopRequireDefault(_isPresentationRole);
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 static elements have no interactive handlers.
* @author Ethan Cohen
*
*/
// ----------------------------------------------------------------------------
// Rule Definition
// ----------------------------------------------------------------------------
var errorMessage = 'Static HTML elements with event handlers require a role.';
var domElements = [].concat(_toConsumableArray(_ariaQuery.dom.keys()));
var defaultInteractiveProps = _jsxAstUtils.eventHandlers;
var schema = (0, _schemas.generateObjSchema)({
handlers: _schemas.arraySchema
});
module.exports = {
meta: {
docs: {},
schema: [schema]
},
create: function create(context) {
var options = context.options;
return {
JSXOpeningElement: function JSXOpeningElement(node) {
var attributes = node.attributes;
var type = (0, _jsxAstUtils.elementType)(node);
var interactiveProps = options[0] ? options[0].handlers : defaultInteractiveProps;
var hasInteractiveProps = interactiveProps.some(function (prop) {
return (0, _jsxAstUtils.hasProp)(attributes, prop) && (0, _jsxAstUtils.getPropValue)((0, _jsxAstUtils.getProp)(attributes, prop)) != null;
});
if (!(0, _arrayIncludes2.default)(domElements, type)) {
// Do not test higher level JSX components, as we do not know what
// low-level DOM element this maps to.
return;
} else if (!hasInteractiveProps || (0, _isHiddenFromScreenReader2.default)(type, attributes) || (0, _isPresentationRole2.default)(type, attributes)) {
// Presentation is an intentional signal from the author that this
// element is not meant to be perceivable. For example, a click screen
// to close a dialog .
return;
} else if ((0, _isInteractiveElement2.default)(type, attributes) || (0, _isInteractiveRole2.default)(type, attributes) || (0, _isNonInteractiveElement2.default)(type, attributes) || (0, _isNonInteractiveRole2.default)(type, attributes) || (0, _isAbstractRole2.default)(type, attributes)) {
// This rule has no opinion about abstract roles.
return;
}
// Visible, non-interactive elements should not have an interactive handler.
context.report({
node: node,
message: errorMessage
});
}
};
}
};