feat(util): LazyVim terminals are now persistent by default (toggleterm)

lua/lazyvim/util/init.lua

@@ -123,17 +123,39 @@ function M.telescope(builtin, opts)
   end
 end
 
+---@type table<string,LazyFloat>
+local terminals = {}
+
 -- Opens a floating terminal (interactive by default)
 ---@param cmd? string[]|string
 ---@param opts? LazyCmdOptions|{interactive?:boolean, esc_esc?:false}
 function M.float_term(cmd, opts)
   opts = vim.tbl_deep_extend("force", {
+    ft = "lazyterm",
     size = { width = 0.9, height = 0.9 },
-  }, opts or {})
-  local float = require("lazy.util").float_term(cmd, opts)
-  if opts.esc_esc == false then
-    vim.keymap.set("t", "<esc>", "<esc>", { buffer = float.buf, nowait = true })
+  }, opts or {}, { persistent = true })
+  ---@cast opts LazyCmdOptions|{interactive?:boolean, esc_esc?:false}
+
+  local termkey = vim.inspect({ cmd = cmd or "shell", cwd = opts.cwd, env = opts.env })
+
+  if terminals[termkey] and terminals[termkey]:buf_valid() then
+    terminals[termkey]:toggle()
+  else
+    terminals[termkey] = require("lazy.util").float_term(cmd, opts)
+    local buf = terminals[termkey].buf
+    vim.b[buf].lazyterm_cmd = cmd
+    if opts.esc_esc == false then
+      vim.keymap.set("t", "<esc>", "<esc>", { buffer = buf, nowait = true })
+    end
+    vim.api.nvim_create_autocmd("BufEnter", {
+      buffer = buf,
+      callback = function()
+        vim.cmd.startinsert()
+      end,
+    })
   end
+
+  return terminals[termkey]
 end
 
 ---@param silent boolean?