46 lines
1.3 KiB
JavaScript
46 lines
1.3 KiB
JavaScript
|
"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
|
||
|
});
|
||
|
}
|
||
|
};
|
||
|
}
|
||
|
};
|