You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
956 B
39 lines
956 B
"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; |