From 4eb404de6ef02c376f91a1a60552f2754bb30cd5 Mon Sep 17 00:00:00 2001
From: Alpha Chen <alpha@kejadlen.dev>
Date: Tue, 3 Dec 2024 20:48:24 -0800
Subject: [PATCH] [nvim] fennel ftplugin

---
 .config/nvim/ftplugin/fennel.fnl | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 .config/nvim/ftplugin/fennel.fnl

diff --git a/.config/nvim/ftplugin/fennel.fnl b/.config/nvim/ftplugin/fennel.fnl
new file mode 100644
index 0000000..04e1426
--- /dev/null
+++ b/.config/nvim/ftplugin/fennel.fnl
@@ -0,0 +1,15 @@
+;; https://github.com/rktjmp/hotpot.nvim/discussions/93#discussioncomment-4362209
+(vim.cmd "iabbrev <buffer> <expr> lambda v:lua.iab_lambda()")
+
+;; fnlfmt: skip
+(fn _G.iab_lambda []
+  (let [line (vim.fn.getline :.)
+        col (vim.fn.col :.)
+        ;; a b c \lambda
+        ;;       ^ check here (may not exist)
+        ;; but dont do anything if that under runs the first character
+        offset (- col (length :lambda) 1)]
+    (match [(< 0 offset) (string.sub line offset offset)]
+      ;; replace term codes so the expr actually runs backspace, not inserts the string
+      [true :\] (vim.api.nvim_replace_termcodes :<bs>λ true false true)
+      [false _] :lambda)))