commit e3f15fc03dcf75887b3445501161f638a61984c0
author Dmitry Volyntsev <xeioex@nginx.com> Tue Jun 07 21:30:57 2022 -0700
committer Dmitry Volyntsev <xeioex@nginx.com> Tue Jun 07 21:30:57 2022 -0700
tree 1248b9c9fbe4f8e8f512b696b7eec297a858fe67
parent bc9cbe28faf44195c59956c156dd0d4f960ee252

HTTP: returing undefined for Content-Type when the header is absent.

This unifies empty response value type for r.headersOut.

nginx/ngx_http_js_module.c

diff --git a/nginx/ngx_http_js_module.c b/nginx/ngx_http_js_module.c
index cc3ece3..0c0d911 100644
--- a/nginx/ngx_http_js_module.c
+++ b/nginx/ngx_http_js_module.c
@@ -1978,6 +1978,12 @@
 
     if (retval != NULL && setval == NULL) {
         hdr = &r->headers_out.content_type;
+
+        if (hdr->len == 0) {
+            njs_value_undefined_set(retval);
+            return NJS_OK;
+        }
+
         return njs_vm_value_string_set(vm, retval, hdr->data, hdr->len);
     }
 
@@ -3764,6 +3770,12 @@
 
     if (retval != NULL && setval == NULL) {
         hdr = &r->headers_out.content_type;
+
+        if (hdr->len == 0) {
+            njs_value_undefined_set(retval);
+            return NJS_OK;
+        }
+
         return njs_vm_value_string_set(vm, retval, hdr->data, hdr->len);
     }