From 0435cb28d69911217b794f52828dcb115499ec63 Mon Sep 17 00:00:00 2001 From: Jim Myhrberg Date: Tue, 3 Aug 2021 01:18:31 +0100 Subject: [PATCH] fix(editor): do not highlight indentation levels on large files This prevents larger files from causing latency and lag, especially large YAML files, like generate Kubernetes menifests. This fix here simply does not enable highlighting indentation levels if the file is above 100KB in size. In my experience it's rare a file meant to be manually edited by a human is above 100KB in size. --- modules/major-modes/siren-prog-mode.el | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/modules/major-modes/siren-prog-mode.el b/modules/major-modes/siren-prog-mode.el index f166da2..230433a 100644 --- a/modules/major-modes/siren-prog-mode.el +++ b/modules/major-modes/siren-prog-mode.el @@ -21,7 +21,11 @@ "Default coding hook, useful with any programming language." (setq-local fill-column 80) - (siren-display-indentation 1) + ;; Only show indentation if file size is below 100KB. It tends to cause a lot + ;; of lag and slowdowns on larger files, especially YAML files. + (if (< (buffer-size) (* 100 1024)) + (siren-display-indentation 1)) + (hl-line-mode t) (visual-line-mode t) (whitespace-mode t)))