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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = getExplicitRole;
var _ariaQuery = require("aria-query");
var _jsxAstUtils = require("jsx-ast-utils");
/**
* Returns an element's computed role, which is
*
* 1. The valid value of its explicit role attribute; or
* 2. The implicit value of its tag.
*/
function getExplicitRole(tag, attributes) {
var explicitRole = function toLowerCase(role) {
if (typeof role === 'string') {
return role.toLowerCase();
}
return null;
}((0, _jsxAstUtils.getLiteralPropValue)((0, _jsxAstUtils.getProp)(attributes, 'role')));
if (_ariaQuery.roles.has(explicitRole)) {
return explicitRole;
}
return null;
}
module.exports = exports.default;