fix: redirects handling in module analysis (#5726)

This commit fixes a bug introduced in #5029 that caused bad 
handling of redirects during module analysis. 

Also ensured that duplicate modules are not downloaded.

1 files changed, 28 insertions, 0 deletions

diff --git a/tools/http_server.py b/tools/http_server.py
index e2e9f2d98..346b319f8 100755
--- a/tools/http_server.py
+++ b/tools/http_server.py
@@ -122,6 +122,34 @@ class ContentTypeHandler(QuietSimpleHTTPRequestHandler):
             self.wfile.write(bytes("export const foo = 'foo';"))
             return
 
+        if "type_directives_redirect.js" in self.path:
+            self.protocol_version = "HTTP/1.1"
+            self.send_response(200, 'OK')
+            self.send_header('Content-type', 'application/javascript')
+            self.send_header(
+                'X-TypeScript-Types',
+                'http://localhost:4547/xTypeScriptTypesRedirect.d.ts')
+            self.end_headers()
+            self.wfile.write(bytes("export const foo = 'foo';"))
+            return
+
+        if "xTypeScriptTypesRedirect.d.ts" in self.path:
+            self.protocol_version = "HTTP/1.1"
+            self.send_response(200, 'OK')
+            self.send_header('Content-type', 'application/typescript')
+            self.end_headers()
+            self.wfile.write(
+                bytes("import './xTypeScriptTypesRedirected.d.ts';"))
+            return
+
+        if "xTypeScriptTypesRedirected.d.ts" in self.path:
+            self.protocol_version = "HTTP/1.1"
+            self.send_response(200, 'OK')
+            self.send_header('Content-type', 'application/typescript')
+            self.end_headers()
+            self.wfile.write(bytes("export const foo: 'foo';"))
+            return
+
         if "xTypeScriptTypes.d.ts" in self.path:
             self.protocol_version = "HTTP/1.1"
             self.send_response(200, 'OK')