create project

kitabcitab/node_modules/eslint-plugin-jsx-a11y/lib/rules/mouse-events-have-key-events.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports["default"] = void 0;
+
+var _ariaQuery = require("aria-query");
+
+var _jsxAstUtils = require("jsx-ast-utils");
+
+var _schemas = require("../util/schemas");
+
+/**
+ * @fileoverview Enforce onmouseover/onmouseout are
+ *  accompanied by onfocus/onblur.
+ * @author Ethan Cohen
+ */
+// ----------------------------------------------------------------------------
+// Rule Definition
+// ----------------------------------------------------------------------------
+var mouseOverErrorMessage = 'onMouseOver must be accompanied by onFocus for accessibility.';
+var mouseOutErrorMessage = 'onMouseOut must be accompanied by onBlur for accessibility.';
+var schema = (0, _schemas.generateObjSchema)();
+var _default = {
+  meta: {
+    docs: {
+      url: 'https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/tree/HEAD/docs/rules/mouse-events-have-key-events.md',
+      description: 'Enforce that `onMouseOver`/`onMouseOut` are accompanied by `onFocus`/`onBlur` for keyboard-only users.'
+    },
+    schema: [schema]
+  },
+  create: function create(context) {
+    return {
+      JSXOpeningElement: function JSXOpeningElement(node) {
+        var name = node.name.name;
+
+        if (!_ariaQuery.dom.get(name)) {
+          return;
+        }
+
+        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) {
+          var hasOnFocus = (0, _jsxAstUtils.getProp)(attributes, 'onFocus');
+          var onFocusValue = (0, _jsxAstUtils.getPropValue)(hasOnFocus);
+
+          if (hasOnFocus === false || onFocusValue === null || onFocusValue === undefined) {
+            context.report({
+              node,
+              message: mouseOverErrorMessage
+            });
+          }
+        } // Checkout onmouseout / onblur pairing
+
+
+        var onMouseOut = (0, _jsxAstUtils.getProp)(attributes, 'onMouseOut');
+        var onMouseOutValue = (0, _jsxAstUtils.getPropValue)(onMouseOut);
+
+        if (onMouseOut && onMouseOutValue != null) {
+          var hasOnBlur = (0, _jsxAstUtils.getProp)(attributes, 'onBlur');
+          var onBlurValue = (0, _jsxAstUtils.getPropValue)(hasOnBlur);
+
+          if (hasOnBlur === false || onBlurValue === null || onBlurValue === undefined) {
+            context.report({
+              node,
+              message: mouseOutErrorMessage
+            });
+          }
+        }
+      }
+    };
+  }
+};
+exports["default"] = _default;
+module.exports = exports.default;