no-redundant-roles.js
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"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _arrayIncludes = _interopRequireDefault(require("array-includes"));
var _has = _interopRequireDefault(require("has"));
var _getElementType = _interopRequireDefault(require("../util/getElementType"));
var _getExplicitRole = _interopRequireDefault(require("../util/getExplicitRole"));
var _getImplicitRole = _interopRequireDefault(require("../util/getImplicitRole"));
/**
* @fileoverview Enforce explicit role property is not the
* same as implicit/default role property on element.
* @author Ethan Cohen <@evcohen>
*
*/
// ----------------------------------------------------------------------------
// Rule Definition
// ----------------------------------------------------------------------------
var errorMessage = function errorMessage(element, implicitRole) {
return "The element ".concat(element, " has an implicit role of ").concat(implicitRole, ". Defining this explicitly is redundant and should be avoided.");
};
var DEFAULT_ROLE_EXCEPTIONS = {
nav: ['navigation']
};
var _default = {
meta: {
docs: {
url: 'https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/tree/HEAD/docs/rules/no-redundant-roles.md',
description: 'Enforce explicit role property is not the same as implicit/default role property on element.'
},
schema: [{
type: 'object',
additionalProperties: {
type: 'array',
items: {
type: 'string'
},
uniqueItems: true
}
}]
},
create: function create(context) {
var options = context.options;
var elementType = (0, _getElementType["default"])(context);
return {
JSXOpeningElement: function JSXOpeningElement(node) {
var type = elementType(node);
var implicitRole = (0, _getImplicitRole["default"])(type, node.attributes);
var explicitRole = (0, _getExplicitRole["default"])(type, node.attributes);
if (!implicitRole || !explicitRole) {
return;
}
if (implicitRole === explicitRole) {
var allowedRedundantRoles = options[0] || {};
var redundantRolesForElement;
if ((0, _has["default"])(allowedRedundantRoles, type)) {
redundantRolesForElement = allowedRedundantRoles[type];
} else {
redundantRolesForElement = DEFAULT_ROLE_EXCEPTIONS[type] || [];
}
if ((0, _arrayIncludes["default"])(redundantRolesForElement, implicitRole)) {
return;
}
context.report({
node,
message: errorMessage(type, implicitRole.toLowerCase())
});
}
}
};
}
};
exports["default"] = _default;
module.exports = exports.default;