From 587f2e0800a55e58b2579758d4278a4129b609c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Wed, 1 Nov 2023 21:30:23 +0100
Subject: feat: precompile JSX (#20962)

Co-authored-by: Marvin Hagemeister <marvin@deno.com>
---
 cli/tsc/99_main_compiler.js | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

(limited to 'cli/tsc')

diff --git a/cli/tsc/99_main_compiler.js b/cli/tsc/99_main_compiler.js
index a2079c01e..4c750cfe7 100644
--- a/cli/tsc/99_main_compiler.js
+++ b/cli/tsc/99_main_compiler.js
@@ -862,12 +862,25 @@ delete Object.prototype.__proto__;
     }
   }
 
+  /** @param {Record<string, string>} config */
+  function normalizeConfig(config) {
+    // the typescript compiler doesn't know about the precompile
+    // transform at the moment, so just tell it we're using react-jsx
+    if (config.jsx === "precompile") {
+      config.jsx = "react-jsx";
+    }
+    return config;
+  }
+
   /** The API that is called by Rust when executing a request.
    * @param {Request} request
    */
   function exec({ config, debug: debugFlag, rootNames, localOnly }) {
     setLogDebug(debugFlag, "TS");
     performanceStart();
+
+    config = normalizeConfig(config);
+
     if (logDebug) {
       debug(">>> exec start", { rootNames });
       debug(config);
@@ -983,8 +996,9 @@ delete Object.prototype.__proto__;
         return respond(id, true);
       }
       case "$configure": {
+        const config = normalizeConfig(args[0]);
         const { options, errors } = ts
-          .convertCompilerOptionsFromJson(args[0], "");
+          .convertCompilerOptionsFromJson(config, "");
         Object.assign(options, {
           allowNonTsExtensions: true,
           allowImportingTsExtensions: true,
-- 
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