feat(cli): support React 17 JSX transforms (#12631)

Closes #8440

1 files changed, 13 insertions, 5 deletions

diff --git a/cli/http_util.rs b/cli/http_util.rs
index 521acadfa..1a2aaf0d5 100644
--- a/cli/http_util.rs
+++ b/cli/http_util.rs
@@ -1,6 +1,7 @@
 // Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
 use crate::auth_tokens::AuthToken;
 
+use deno_core::error::custom_error;
 use deno_core::error::generic_error;
 use deno_core::error::AnyError;
 use deno_core::url::Url;
@@ -123,11 +124,18 @@ pub async fn fetch_once(
 
   if response.status().is_client_error() || response.status().is_server_error()
   {
-    let err = generic_error(format!(
-      "Import '{}' failed: {}",
-      args.url,
-      response.status()
-    ));
+    let err = if response.status() == StatusCode::NOT_FOUND {
+      custom_error(
+        "NotFound",
+        format!("Import '{}' failed, not found.", args.url),
+      )
+    } else {
+      generic_error(format!(
+        "Import '{}' failed: {}",
+        args.url,
+        response.status()
+      ))
+    };
     return Err(err);
   }