tabindex-no-positive.js
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"use strict";
var _jsxAstUtils = require("jsx-ast-utils");
var _schemas = require("../util/schemas");
/**
* @fileoverview Enforce tabIndex value is not greater than zero.
* @author Ethan Cohen
*/
// ----------------------------------------------------------------------------
// Rule Definition
// ----------------------------------------------------------------------------
var errorMessage = 'Avoid positive integer values for tabIndex.';
var schema = (0, _schemas.generateObjSchema)();
module.exports = {
meta: {
docs: {
url: 'https://github.com/evcohen/eslint-plugin-jsx-a11y/tree/master/docs/rules/tabindex-no-positive.md'
},
schema: [schema]
},
create: function create(context) {
return {
JSXAttribute: function JSXAttribute(attribute) {
var name = (0, _jsxAstUtils.propName)(attribute).toUpperCase(); // Check if tabIndex is the attribute
if (name !== 'TABINDEX') {
return;
} // Only check literals because we can't infer values from certain expressions.
var value = Number((0, _jsxAstUtils.getLiteralPropValue)(attribute)); // eslint-disable-next-line no-restricted-globals
if (isNaN(value) || value <= 0) {
return;
}
context.report({
node: attribute,
message: errorMessage
});
}
};
}
};