chore: discard gzip footer when empty body (#89)

gin-contrib · Dec 24, 2024 · fb15f54 · fb15f54
1 parent a1786dc
commit fb15f54
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/handler.go b/handler.go
@@ -54,6 +54,10 @@ func (g *gzipHandler) Handle(c *gin.Context) {
 	c.Header("Vary", "Accept-Encoding")
 	c.Writer = &gzipWriter{c.Writer, gz}
 	defer func() {
+		if c.Writer.Size() < 0 {
+			// do not write gzip footer when nothing is written to the response body
+			gz.Reset(io.Discard)
+		}
 		gz.Close()
 		c.Header("Content-Length", fmt.Sprint(c.Writer.Size()))
 	}()