react-scripts
Version:
Configuration and scripts for Create React App.
56 lines (45 loc) • 2.42 kB
JavaScript
;
var _jsxAstUtils = require('jsx-ast-utils');
var mouseOverErrorMessage = 'onMouseOver must be accompanied by onFocus for accessibility.'; /**
* @fileoverview Enforce onmouseover/onmouseout are
* accompanied by onfocus/onblur.
* @author Ethan Cohen
*/
// ----------------------------------------------------------------------------
// Rule Definition
// ----------------------------------------------------------------------------
var mouseOutErrorMessage = 'onMouseOut must be accompanied by onBlur for accessibility.';
module.exports = function (context) {
return {
JSXOpeningElement: function JSXOpeningElement(node) {
var attributes = node.attributes;
// Check onmouseover / onfocus pairing.
var onMouseOver = (0, _jsxAstUtils.getProp)(attributes, 'onMouseOver');
var onMouseOverValue = (0, _jsxAstUtils.getPropValue)(onMouseOver);
if (onMouseOver && (onMouseOverValue !== null || onMouseOverValue !== undefined)) {
var hasOnFocus = (0, _jsxAstUtils.getProp)(attributes, 'onFocus');
var onFocusValue = (0, _jsxAstUtils.getPropValue)(hasOnFocus);
if (hasOnFocus === false || onFocusValue === null || onFocusValue === undefined) {
context.report({
node: node,
message: mouseOverErrorMessage
});
}
}
// Checkout onmouseout / onblur pairing
var onMouseOut = (0, _jsxAstUtils.getProp)(attributes, 'onMouseOut');
var onMouseOutValue = (0, _jsxAstUtils.getPropValue)(onMouseOut);
if (onMouseOut && (onMouseOutValue !== null || onMouseOutValue !== undefined)) {
var hasOnBlur = (0, _jsxAstUtils.getProp)(attributes, 'onBlur');
var onBlurValue = (0, _jsxAstUtils.getPropValue)(hasOnBlur);
if (hasOnBlur === false || onBlurValue === null || onBlurValue === undefined) {
context.report({
node: node,
message: mouseOutErrorMessage
});
}
}
}
};
};
module.exports.schema = [{ type: 'object' }];