guard against API change in new Sphinx version

1 files changed, 7 insertions, 4 deletions

diff --git a/_exts/typescriptdomain.py b/_exts/typescriptdomain.py
index 6877764..f9af1b0 100644
--- a/_exts/typescriptdomain.py
+++ b/_exts/typescriptdomain.py
@@ -405,6 +405,8 @@ class LinkingHtmlFormatter(HtmlFormatter):
             ):
                 return value
 
+        if self._bridge.docname is None:
+            return value
         if xref is None:
             return value
         content = caption if caption is not None else value
@@ -509,10 +511,11 @@ class MyPygmentsBridge(PygmentsBridge):
     def highlight_block(
         self, source, lang, opts=None, force=False, location=None, **kwargs
     ):
-        docname, line = location
-        self.line = line
-        self.path = self.builder.env.doc2path(docname)
-        self.docname = docname
+        if isinstance(location, tuple):
+            docname, line = location
+            self.line = line
+            self.path = self.builder.env.doc2path(docname)
+            self.docname = docname
         return super().highlight_block(source, lang, opts, force, location, **kwargs)