react-scripts
Version:
Configuration and scripts for Create React App.
53 lines (44 loc) • 1.98 kB
JavaScript
/**
* @fileoverview Enforce usage of onBlur over onChange on select menus for accessibility.
* @author Ethan Cohen
*/
// -----------------------------------------------------------------------------
// Requirements
// -----------------------------------------------------------------------------
import { RuleTester } from 'eslint';
import rule from '../../../src/rules/no-onchange';
const parserOptions = {
ecmaVersion: 6,
ecmaFeatures: {
jsx: true,
},
};
// -----------------------------------------------------------------------------
// Tests
// -----------------------------------------------------------------------------
const ruleTester = new RuleTester();
const expectedError = {
message: 'onBlur must be used instead of onchange, unless absolutely necessary and it ' +
'causes no negative consequences for keyboard only or screen reader users.',
type: 'JSXOpeningElement',
};
ruleTester.run('no-onchange', rule, {
valid: [
{ code: '<select onBlur={() => {}} />;', parserOptions },
{ code: '<select onBlur={handleOnBlur} />;', parserOptions },
{ code: '<option />;', parserOptions },
{ code: '<option onBlur={() => {}} onChange={() => {}} />;', parserOptions },
{ code: '<option {...props} />', parserOptions },
{ code: '<input onChange={() => {}} />;', parserOptions },
{ code: '<input onChange={handleOnChange} />;', parserOptions },
{ code: '<input />;', parserOptions },
{ code: '<input onChange={() => {}} onChange={() => {}} />;', parserOptions },
{ code: '<input {...props} />', parserOptions },
],
invalid: [
{ code: '<select onChange={() => {}} />;', errors: [expectedError], parserOptions },
{ code: '<select onChange={handleOnChange} />;', errors: [expectedError], parserOptions },
{ code: '<option onChange={() => {}} />', errors: [expectedError], parserOptions },
{ code: '<option onChange={() => {}} {...props} />', errors: [expectedError], parserOptions },
],
});