Issue warning to devtools when module scripts in use.

1 files changed, 7 insertions, 0 deletions

diff --git a/components/script/dom/htmlscriptelement.rs b/components/script/dom/htmlscriptelement.rs
index dfac55a6f66..fdeca285e30 100644
--- a/components/script/dom/htmlscriptelement.rs
+++ b/components/script/dom/htmlscriptelement.rs
@@ -559,6 +559,10 @@ impl HTMLScriptElement {
                         "{} is a module script. It should be fixed after #23545 landed.",
                         url.clone()
                     );
+                    self.global().issue_page_warning(&format!(
+                        "Module scripts are not supported; {} will not be executed.",
+                        url.clone()
+                    ));
                 },
             }
         } else {
@@ -578,6 +582,9 @@ impl HTMLScriptElement {
                     "{} is a module script. It should be fixed after #23545 landed.",
                     base_url.clone()
                 );
+                self.global().issue_page_warning(
+                    "Module scripts are not supported; ignoring inline module script.",
+                );
                 return;
             }