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