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