mig packer to lazy and archive

Signed-off-by: d0zingcat <leewtang@gmail.com>

nvim/lua/legacy/nvim-tree.lua

@@ -0,0 +1,104 @@
+local function open_nvim_tree(data)
+    -- buffer is a real file on the disk
+    local real_file = vim.fn.filereadable(data.file) == 1
+
+    -- buffer is a [No Name]
+    local no_name = data.file == "" and vim.bo[data.buf].buftype == ""
+
+    -- buffer is a directory
+    local directory = vim.fn.isdirectory(data.file) == 1
+
+    if directory then
+        -- create a new, empty buffer
+        vim.cmd.enew()
+
+        -- wipe the directory buffer
+        vim.cmd.bw(data.buf)
+
+        -- change to the directory
+        vim.cmd.cd(data.file)
+
+        -- open the tree
+        require("nvim-tree.api").tree.open()
+    end
+
+    if real_file or no_name then
+        -- open the tree, find the file but don't focus it
+        require("nvim-tree.api").tree.toggle({ focus = false, find_file = true, })
+    end
+
+end
+
+--- autocmd with callbacks
+vim.api.nvim_create_autocmd({ "VimEnter" }, { callback = open_nvim_tree })
+
+vim.api.nvim_create_autocmd("BufEnter", {
+    group = vim.api.nvim_create_augroup("NvimTreeClose", { clear = true }),
+    pattern = "NvimTree_*",
+    callback = function()
+        local layout = vim.api.nvim_call_function("winlayout", {})
+        if layout[1] == "leaf" and
+            vim.api.nvim_buf_get_option(vim.api.nvim_win_get_buf(layout[2]), "filetype") == "NvimTree" and
+            layout[3] == nil then vim.cmd("confirm quit") end
+    end
+})
+
+local function on_attach(bufnr)
+    local api = require('nvim-tree.api')
+
+    local function opts(desc)
+        return { desc = 'nvim-tree: ' .. desc, buffer = bufnr, noremap = true, silent = true, nowait = true }
+    end
+
+    api.config.mappings.default_on_attach(bufnr)
+    -- Mappings migrated from view.mappings.list
+    -- You will need to insert "your code goes here" for any mappings with a custom action_cb
+    vim.keymap.set('n', '<C-v>', api.node.open.vertical, opts('Open: Vertical Split'))
+    vim.keymap.set('n', '<C-s>', api.node.open.horizontal, opts('Open: Horizontal Split'))
+    vim.keymap.set('n', 'v', api.node.open.vertical, opts('Open: Vertical Split'))
+    vim.keymap.set('n', 's', api.node.open.horizontal, opts('Open: Horizontal Split'))
+    vim.keymap.set('n', 'P', function()
+        local node = api.tree.get_node_under_cursor()
+        print(node.absolute_path)
+    end, opts('Print Node Path'))
+end
+
+require('nvim-tree').setup({
+    view = {
+        width = 35,
+        side = 'left',
+    },
+    -- renderer = {
+        -- highlight_opened_files = '1',
+    -- },
+    diagnostics = {
+        enable = true,
+        icons = {
+            error = '',
+            warning = '',
+            info = '',
+            hint = '',
+        },
+    },
+    update_focused_file = {
+        enable = true,
+        update_root = true,
+    },
+    filters = {
+        custom = {
+            '.git$'
+        },
+    },
+    hijack_netrw = true,
+    update_cwd = true,
+    on_attach = on_attach,
+})
+
+-- map('n', '<leader>te', ':NvimTreeToggle<CR>')
+
+-- vim.cmd([[
+-- autocmd BufEnter * ++nested if winnr('$') == 1 && bufname() == 'NvimTree_' . tabpagenr() | quit | endif
+-- augroup nvimtree
+--   autocmd VimEnter * lua require('nvim-tree').toggle(false, true)
+-- augroup END
+-- ]])