Try linguist-language setting recommended from github-linguist/linguist#4496

octogonz · octogonz · commit b6058122a84a · 2019-04-23T01:03:00.000-07:00
diff --git a/.gitattributes b/.gitattributes
@@ -39,7 +39,7 @@
 *.jpg             binary
 *.js              text eol=crlf
 *.json            text eol=crlf
-*.json            linguist-language=JSON5
+*.json            linguist-language=JSON-with-Comments
 *.less            text eol=crlf
 *.map             text eol=lf
 *.md              text eol=crlf
