init source

2022-03-07 22:07:57 +07:00
parent e4376f3777
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+"use strict";
+
+var _jsxAstUtils = require("jsx-ast-utils");
+
+var _schemas = require("../util/schemas");
+
+/**
+ * @fileoverview Enforce html element has lang prop.
+ * @author Ethan Cohen
+ */
+// ----------------------------------------------------------------------------
+// Rule Definition
+// ----------------------------------------------------------------------------
+var errorMessage = '<html> elements must have the lang prop.';
+var schema = (0, _schemas.generateObjSchema)();
+module.exports = {
+  meta: {
+    docs: {
+      url: 'https://github.com/evcohen/eslint-plugin-jsx-a11y/tree/master/docs/rules/html-has-lang.md'
+    },
+    schema: [schema]
+  },
+  create: function create(context) {
+    return {
+      JSXOpeningElement: function JSXOpeningElement(node) {
+        var type = (0, _jsxAstUtils.elementType)(node);
+
+        if (type && type !== 'html') {
+          return;
+        }
+
+        var lang = (0, _jsxAstUtils.getPropValue)((0, _jsxAstUtils.getProp)(node.attributes, 'lang'));
+
+        if (lang) {
+          return;
+        }
+
+        context.report({
+          node,
+          message: errorMessage
+        });
+      }
+    };
+  }
+};