From 131bcb8bf54f3cad6cc2b521f328e35b34f891cb Mon Sep 17 00:00:00 2001
From: newbieQQ <qyh1510@gmail.com>
Date: Thu, 11 Jun 2026 17:00:29 +0800
Subject: [PATCH] refactor: extract terminal logic into addons/term

---
 lua/addons/term.lua | 37 +++++++++++++++++++++++++++++++++++++
 lua/keymap.lua      | 31 +++++++------------------------
 2 files changed, 44 insertions(+), 24 deletions(-)
 create mode 100644 lua/addons/term.lua

diff --git a/lua/addons/term.lua b/lua/addons/term.lua
new file mode 100644
index 0000000..42b5610
--- /dev/null
+++ b/lua/addons/term.lua
@@ -0,0 +1,37 @@
+-- addons/term.lua — 持久化自适应终端
+--
+-- 用法：
+--   local T = require('addons.term')
+--   T.shell()     -- 打开/关闭普通终端（<c-t>）
+--   T.open('reasonix')  -- 打开/关闭 Reasonix（<C-i>）
+--
+-- 特性：
+--   - 同一个终端实例持久化（关掉再开回来，对话不丢）
+--   - 窗口方向自适应：横屏→右侧（45%），竖屏→下方（40%）
+--   - 依赖 toggleterm.nvim
+
+local M = {}
+
+local terms = {}  -- 缓存终端实例，key 是命令名（nil = 普通 shell）
+
+function M.open(cmd)
+  local ui = vim.api.nvim_list_uis()[1]
+  local tall = ui.height > ui.width
+  local name = cmd or '__shell__'
+
+  if not terms[name] or not terms[name]:is_open() then
+    terms[name] = require('toggleterm.terminal').Terminal:new({
+      direction = tall and 'horizontal' or 'vertical',
+      cmd = cmd,
+      size = tall and math.floor(ui.height * 0.4) or math.floor(ui.width * 0.45),
+    })
+  end
+
+  terms[name]:toggle()
+end
+
+function M.shell()
+  M.open(nil)
+end
+
+return M
diff --git a/lua/keymap.lua b/lua/keymap.lua
index a316c09..35010cf 100644
--- a/lua/keymap.lua
+++ b/lua/keymap.lua
@@ -38,27 +38,10 @@ G.map({
   { 'n', '<right>',    ':vertical resize +5<CR>' },
 })
 
--- 终端 / Reasonix：横屏→右侧（45%屏宽），竖屏→下方（40%屏高），持久化 buffer（按 c-t/c-i 切换显隐）
-do
-  local terms = {} -- 缓存，复用同一个终端实例
-
-  local function split_term(cmd)
-    local ui = vim.api.nvim_list_uis()[1]
-    local tall = ui.height > ui.width
-    local name = cmd or '__shell__'
-    if not terms[name] or not terms[name]:is_open() then
-      terms[name] = require('toggleterm.terminal').Terminal:new({
-        direction = tall and 'horizontal' or 'vertical',
-        cmd = cmd,
-        size = tall and math.floor(ui.height * 0.4) or math.floor(ui.width * 0.45),
-      })
-    end
-    terms[name]:toggle()
-  end
-
-  G.map({
-    { 'n', '<c-t>', function() split_term() end, { noremap = true } },
-    { 'i', '<c-t>', function() split_term() end, { noremap = true } },
-    { 'n', '<C-i>', function() split_term('reasonix') end, { noremap = true } },
-  })
-end
+-- 终端 / Reasonix（addons/term：持久化 + 自适应分屏）
+local T = require('addons.term')
+G.map({
+  { 'n', '<c-t>', T.shell, { noremap = true } },
+  { 'i', '<c-t>', T.shell, { noremap = true } },
+  { 'n', '<C-i>', function() T.open('reasonix') end, { noremap = true } },
+})