file_server: use text/typescript instead of application/typescript (#4620)

I just tried it and found that using application/typescript, the browser will download 
the file directly, I think that .ts should be mapped to application/javascript or 
text/typescript

1 files changed, 3 insertions, 3 deletions

diff --git a/std/http/file_server.ts b/std/http/file_server.ts
index 79f3e5081..468e8a60e 100755
--- a/std/http/file_server.ts
+++ b/std/http/file_server.ts
@@ -47,10 +47,10 @@ const MEDIA_TYPES: Record<string, string> = {
   ".json": "application/json",
   ".map": "application/json",
   ".txt": "text/plain",
-  ".ts": "application/typescript",
-  ".tsx": "application/typescript",
+  ".ts": "text/typescript",
+  ".tsx": "text/tsx",
   ".js": "application/javascript",
-  ".jsx": "application/jsx",
+  ".jsx": "text/jsx",
   ".gz": "application/gzip",
 };