feat(transform): transform jsx element name (#1070)

crates/oxc_transformer/src/react_jsx/mod.rs

@@ -4,7 +4,7 @@ use std::rc::Rc;
 
 use oxc_allocator::Vec;
 use oxc_ast::{ast::*, AstBuilder};
-use oxc_span::SPAN;
+use oxc_span::{Atom, SPAN};
 
 pub use self::options::{ReactJsxOptions, ReactJsxRuntime};
 
@@ -105,13 +105,44 @@ impl<'a> ReactJsx<'a> {
                     self.ast.identifier_reference_expression(IdentifierReference::new(SPAN, name))
                 })
             }
-            _ => {
+            JSXElementName::MemberExpression(member_expr) => {
-                /* TODO */
+                Some(self.transform_jsx_member_expression(member_expr))
+            }
+            JSXElementName::NamespacedName(namespaced_name) => {
+                if self.options.throw_if_namespace.is_some_and(|v| !v) {
+                    // If the flag "throwIfNamespace" is false
+                    // print XMLNamespace like string literal
+                    let string_literal = StringLiteral::new(
+                        SPAN,
+                        Atom::from(format!(
+                            "{}:{}",
+                            namespaced_name.namespace.name, namespaced_name.property.name
+                        )),
+                    );
+
+                    return Some(self.ast.literal_string_expression(string_literal));
+                }
                 None
             }
         }
     }
 
+    fn transform_jsx_member_expression(&self, expr: &JSXMemberExpression<'a>) -> Expression<'a> {
+        let object = match &expr.object {
+            JSXMemberExpressionObject::Identifier(ident) => {
+                self.ast.identifier_reference_expression(IdentifierReference::new(
+                    SPAN,
+                    ident.name.clone(),
+                ))
+            }
+            JSXMemberExpressionObject::MemberExpression(expr) => {
+                self.transform_jsx_member_expression(expr)
+            }
+        };
+        let property = IdentifierName::new(SPAN, expr.property.name.clone());
+        self.ast.static_member_expression(SPAN, object, property, false)
+    }
+
     fn transform_jsx_attributes(
         &self,
         attributes: &Vec<'a, JSXAttributeItem<'a>>,

crates/oxc_transformer/src/react_jsx/options.rs

@@ -4,6 +4,9 @@ use serde::Deserialize;
 pub struct ReactJsxOptions {
     /// Decides which runtime to use.
     pub runtime: ReactJsxRuntime,
+    /// Toggles whether or not to throw an error if an XML namespaced tag name is used. e.g. `<f:image />`
+    /// Though the JSX spec allows this, it is disabled by default since React's JSX does not currently have support for it.
+    pub throw_if_namespace: Option<bool>,
 }
 
 #[derive(Debug, Default, Clone, Copy, Deserialize)]

tasks/transform_conformance/babel.snap.md

@@ -1,4 +1,4 @@
-Passed: 187/1083
+Passed: 190/1083
 
 # All Passed:
 * babel-plugin-transform-numeric-separator
@@ -804,7 +804,7 @@ Passed: 187/1083
 * regression/11061/input.mjs
 * variable-declaration/non-null-in-optional-chain/input.ts
 
-# babel-plugin-transform-react-jsx (38/172)
+# babel-plugin-transform-react-jsx (41/172)
 * autoImport/after-polyfills/input.mjs
 * autoImport/after-polyfills-2/input.mjs
 * autoImport/after-polyfills-compiled-to-cjs/input.mjs
@@ -847,9 +847,7 @@ Passed: 187/1083
 * react/optimisation.react.constant-elements/input.js
 * react/pragma-works-with-no-space-at-the-end/input.js
 * react/should-add-quotes-es3/input.js
-* react/should-allow-deeper-js-namespacing/input.js
 * react/should-allow-elements-as-attributes/input.js
-* react/should-allow-js-namespacing/input.js
 * react/should-allow-jsx-docs-comment-with-pragma/input.js
 * react/should-allow-nested-fragments/input.js
 * react/should-allow-no-pragmafrag-if-frag-unused/input.js
@@ -869,7 +867,6 @@ Passed: 187/1083
 * react/should-support-xml-namespaces-if-flag/input.js
 * react/should-warn-when-importSource-is-set/input.js
 * react/should-warn-when-importSource-pragma-is-set/input.js
-* react/this-tag-name/input.js
 * react/weird-symbols/input.js
 * react/wraps-props-in-react-spread-for-first-spread-attributes-babel-7/input.js
 * react/wraps-props-in-react-spread-for-last-spread-attributes-babel-7/input.js

tasks/transform_conformance/src/test_case.rs

@@ -210,6 +210,8 @@ impl TestCase for ConformanceTestCase {
         if filtered {
             println!("Input:\n");
             println!("{input}\n");
+            println!("Options:");
+            println!("{:?}\n", self.transform_options());
             println!("Output:\n");
             println!("{output}\n");
             println!("Transformed:\n");