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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = getTabIndex;
var _jsxAstUtils = require("jsx-ast-utils");
/**
* Returns the tabIndex value.
*/
function getTabIndex(tabIndex) {
var literalValue = (0, _jsxAstUtils.getLiteralPropValue)(tabIndex);
// String and number values.
if (['string', 'number'].indexOf(typeof literalValue) > -1) {
// Empty string will convert to zero, so check for it explicity.
if (typeof literalValue === 'string' && literalValue.length === 0) {
return undefined;
}
var value = Number(literalValue);
if (Number.isNaN(value)) {
return undefined;
}
return Number.isInteger(value) ? value : undefined;
}
// Booleans are not valid values, return undefined.
if (literalValue === true || literalValue === false) {
return undefined;
}
return (0, _jsxAstUtils.getPropValue)(tabIndex);
}
module.exports = exports.default;