From 5f34897169ffa5e1bcb8d57d65de3f5f0756b28a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9ana=20=E6=B1=9F?= <leana.jiang+git@icloud.com>
Date: Mon, 28 Jul 2025 00:23:28 +0200
Subject: [PATCH] nvim/typst: lazyload snippets only once

---
 .config/nvim/ftplugin/typst.lua | 64 +++++++++++++++++----------------
 1 file changed, 34 insertions(+), 30 deletions(-)

diff --git a/.config/nvim/ftplugin/typst.lua b/.config/nvim/ftplugin/typst.lua
index e92277bb..9d1df8fe 100644
--- a/.config/nvim/ftplugin/typst.lua
+++ b/.config/nvim/ftplugin/typst.lua
@@ -2,35 +2,39 @@ vim.bo.shiftwidth = 2
 vim.bo.tabstop = 2
 vim.bo.textwidth = 100
 
-vim.keymap.set("n", "<leader>f", function()
-    local saved = vim.fn.winsaveview()
-    vim.cmd([[silent exec "%!typstyle -c 100"]])
-    vim.fn.winrestview(saved)
-end, { desc = "ft(typst): Format with typstyle" })
+local once = require("once")
 
-do
-    local luasnip = require("luasnip")
-    local s = luasnip.snippet
-    local t = luasnip.text_node
-    local cr = function() return t { "", "" } end
-    local i = luasnip.insert_node
-    local f = luasnip.function_node
+once.test_and_load("ft_typst", function()
+    vim.keymap.set("n", "<leader>f", function()
+        local saved = vim.fn.winsaveview()
+        vim.cmd([[silent exec "%!typstyle -c 100"]])
+        vim.fn.winrestview(saved)
+    end, { desc = "ft(typst): Format with typstyle" })
 
-    local function show_date_typst_entry() return os.date('"%Y-%m-%d %H:%M:%S"') end
-    luasnip.add_snippets("typst", {
-        s("entry", {
-            t("#entry("),
-            f(show_date_typst_entry),
-            t { ")[", "" },
-            t("  "),
-            i(0),
-            t { "", "]" },
-        }),
-        s("lang", {
-            t('#set text(lang: "'),
-            i(0),
-            t('")'),
-            cr(),
-        }),
-    })
-end
+    do
+        local luasnip = require("luasnip")
+        local s = luasnip.snippet
+        local t = luasnip.text_node
+        local cr = function() return t { "", "" } end
+        local i = luasnip.insert_node
+        local f = luasnip.function_node
+
+        local function show_date_typst_entry() return os.date('"%Y-%m-%d %H:%M:%S"') end
+        luasnip.add_snippets("typst", {
+            s("entry", {
+                t("#entry("),
+                f(show_date_typst_entry),
+                t { ")[", "" },
+                t("  "),
+                i(0),
+                t { "", "]" },
+            }),
+            s("lang", {
+                t('#set text(lang: "'),
+                i(0),
+                t('")'),
+                cr(),
+            }),
+        })
+    end
+end)