d2-ui
Version:
59 lines (50 loc) • 2.5 kB
JavaScript
/**
* @fileoverview Enforce onmouseover/onmouseout are accompanied
* by onfocus/onblur.
* @author Ethan Cohen
*/
'use strict';
// -----------------------------------------------------------------------------
// Requirements
// -----------------------------------------------------------------------------
import rule from '../../../src/rules/mouse-events-have-key-events';
import { RuleTester } from 'eslint';
const parserOptions = {
ecmaVersion: 6,
ecmaFeatures: {
jsx: true
}
};
// -----------------------------------------------------------------------------
// Tests
// -----------------------------------------------------------------------------
const ruleTester = new RuleTester();
const mouseOverError = {
message: 'onMouseOver must be accompanied by onFocus for accessibility.',
type: 'JSXOpeningElement'
};
const mouseOutError = {
message: 'onMouseOut must be accompanied by onBlur for accessibility.',
type: 'JSXOpeningElement'
};
ruleTester.run('mouse-events-have-key-events', rule, {
valid: [
{ code: '<div onMouseOver={() => void 0} onFocus={() => void 0} />;', parserOptions },
{ code: '<div onMouseOver={() => void 0} onFocus={() => void 0} {...props} />;', parserOptions },
{ code: '<div onMouseOver={handleMouseOver} onFocus={handleFocus} />;', parserOptions },
{ code: '<div onMouseOver={handleMouseOver} onFocus={handleFocus} {...props} />;', parserOptions },
{ code: '<div />;', parserOptions },
{ code: '<div onMouseOut={() => void 0} onBlur={() => void 0} />', parserOptions },
{ code: '<div onMouseOut={() => void 0} onBlur={() => void 0} {...props} />', parserOptions },
{ code: '<div onMouseOut={handleMouseOut} onBlur={handleOnBlur} />', parserOptions },
{ code: '<div onMouseOut={handleMouseOut} onBlur={handleOnBlur} {...props} />', parserOptions }
],
invalid: [
{ code: '<div onMouseOver={() => void 0} />;', errors: [ mouseOverError ], parserOptions },
{ code: '<div onMouseOut={() => void 0} />', errors: [ mouseOutError ], parserOptions },
{ code: '<div onMouseOver={() => void 0} onFocus={undefined} />;', errors: [ mouseOverError ], parserOptions },
{ code: '<div onMouseOut={() => void 0} onBlur={undefined} />', errors: [ mouseOutError ], parserOptions },
{ code: '<div onMouseOver={() => void 0} {...props} />', errors: [ mouseOverError ], parserOptions },
{ code: '<div onMouseOut={() => void 0} {...props} />', errors: [ mouseOutError ], parserOptions }
]
});