feat(nvim-tree): close when last window

lua/ow/plugins/nvim-tree.lua

@@ -7,11 +7,7 @@ local function override_highlights()
 
     -- Symlink Icon
     hl = utils.get_hl_source("NvimTreeSymlinkIcon")
-    vim.api.nvim_set_hl(
-        0,
-        "NvimTreeSymlinkIcon",
-        { fg = hl.fg, bg = nil }
-    )
+    vim.api.nvim_set_hl(0, "NvimTreeSymlinkIcon", { fg = hl.fg, bg = nil })
 end
 
 local function disable_highlights()
@@ -251,5 +247,29 @@ return {
             find_file = true,
             focus = false,
         })
+
+        vim.api.nvim_create_autocmd("QuitPre", {
+            callback = function()
+                local tree_wins = {}
+                local floating_wins = {}
+                local wins = vim.api.nvim_list_wins()
+                for _, w in ipairs(wins) do
+                    local bufname =
+                        vim.api.nvim_buf_get_name(vim.api.nvim_win_get_buf(w))
+                    if bufname:match("NvimTree_") ~= nil then
+                        table.insert(tree_wins, w)
+                    end
+                    if vim.api.nvim_win_get_config(w).relative ~= "" then
+                        table.insert(floating_wins, w)
+                    end
+                end
+                if 1 == #wins - #floating_wins - #tree_wins then
+                    -- Should quit, so we close all invalid windows.
+                    for _, w in ipairs(tree_wins) do
+                        vim.api.nvim_win_close(w, true)
+                    end
+                end
+            end,
+        })
     end,
 }