[compiler][ez] Patch for JSX escape sequences in @babel/generator

compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/CodegenReactiveFunction.ts

@@ -2269,7 +2269,7 @@ function codegenInstructionValue(
  * https://en.wikipedia.org/wiki/List_of_Unicode_characters#Control_codes
  */
 const STRING_REQUIRES_EXPR_CONTAINER_PATTERN =
-  /[\u{0000}-\u{001F}\u{007F}\u{0080}-\u{FFFF}]|"/u;
+  /[\u{0000}-\u{001F}\u{007F}\u{0080}-\u{FFFF}]|"|\\/u;
 function codegenJsxAttribute(
   cx: Context,
   attribute: JsxAttribute,

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/jsx-preserve-escape-character.expect.md

@@ -0,0 +1,57 @@
+
+## Input
+
+```javascript
+/**
+ * Fixture showing `@babel/generator` bug with jsx attribute strings containing
+ * escape sequences. Note that this is only a problem when generating jsx
+ * literals.
+ *
+ * When using the jsx transform to correctly lower jsx into
+ * `React.createElement` calls, the escape sequences are preserved correctly
+ * (see evaluator output).
+ */
+function MyApp() {
+  return <input pattern="\w" />;
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: MyApp,
+  params: [],
+};
+
+```
+
+## Code
+
+```javascript
+import { c as _c } from "react/compiler-runtime"; /**
+ * Fixture showing `@babel/generator` bug with jsx attribute strings containing
+ * escape sequences. Note that this is only a problem when generating jsx
+ * literals.
+ *
+ * When using the jsx transform to correctly lower jsx into
+ * `React.createElement` calls, the escape sequences are preserved correctly
+ * (see evaluator output).
+ */
+function MyApp() {
+  const $ = _c(1);
+  let t0;
+  if ($[0] === Symbol.for("react.memo_cache_sentinel")) {
+    t0 = <input pattern={"\\w"} />;
+    $[0] = t0;
+  } else {
+    t0 = $[0];
+  }
+  return t0;
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: MyApp,
+  params: [],
+};
+
+```
+
+### Eval output
+(kind: ok) <input pattern="\w">

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/jsx-preserve-escape-character.js

@@ -0,0 +1,17 @@
+/**
+ * Fixture showing `@babel/generator` bug with jsx attribute strings containing
+ * escape sequences. Note that this is only a problem when generating jsx
+ * literals.
+ *
+ * When using the jsx transform to correctly lower jsx into
+ * `React.createElement` calls, the escape sequences are preserved correctly
+ * (see evaluator output).
+ */
+function MyApp() {
+  return <input pattern="\w" />;
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: MyApp,
+  params: [],
+};

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/repro-propagate-type-of-ternary-nested.expect.md

@@ -42,15 +42,23 @@ function V0(t0) {
       <ComponentC cd="TxqUy" ce="oh`]uc" cf="Bdbo" c10={!V9.va && v11.v12}>
         gmhubcw
         {v1 === V3.V13 ? (
-          <c14 c15="L^]w\\\\T\\\\qrGmqrlQyrvBgf\\\\inuRdkEqwVPwixiriYGSZmKJf]E]RdT{N[WyVPiEJIbdFzvDohJV[BV`H[[K^xoy[HOGKDqVzUJ^h">
+          <c14
+            c15={
+              "L^]w\\\\T\\\\qrGmqrlQyrvBgf\\\\inuRdkEqwVPwixiriYGSZmKJf]E]RdT{N[WyVPiEJIbdFzvDohJV[BV`H[[K^xoy[HOGKDqVzUJ^h"
+            }
+          >
             iawyneijcgamsfgrrjyvhjrrqvzexxwenxqoknnilmfloafyvnvkqbssqnxnexqvtcpvjysaiovjxyqrorqskfph
           </c14>
         ) : v16.v17("pyorztRC]EJzVuP^e") ? (
-          <c14 c15="CRinMqvmOknWRAKERI]RBzB_LXGKQe{SUpoN[\\\\gL[`bLMOhvFqDVVMNOdY">
+          <c14
+            c15={
+              "CRinMqvmOknWRAKERI]RBzB_LXGKQe{SUpoN[\\\\gL[`bLMOhvFqDVVMNOdY"
+            }
+          >
             goprinbjmmjhfserfuqyluxcewpyjihektogc
           </c14>
         ) : (
-          <c14 c15="H\\\\\\\\GAcTc\\\\lfGMW[yHriCpvW`w]niSIKj\\\\kdgFI">
+          <c14 c15={"H\\\\\\\\GAcTc\\\\lfGMW[yHriCpvW`w]niSIKj\\\\kdgFI"}>
             yejarlvudihqdrdgpvahovggdnmgnueedxpbwbkdvvkdhqwrtoiual
           </c14>
         )}