WIP: add keymap to close file buffer

lua/nvim-tree/actions/node/close-file-buffer.lua

@@ -0,0 +1,11 @@
+local M = {}
+
+---@param filename string
+---@return nil
+function M.fn(filename)
+  vim.cmd({ cmd = "bdelete", args = { filename } })
+end
+
+function M.setup(opts) end
+
+return M

lua/nvim-tree/actions/node/init.lua

@@ -2,13 +2,15 @@ local M = {}
 
 M.file_popup = require("nvim-tree.actions.node.file-popup")
 M.open_file = require("nvim-tree.actions.node.open-file")
+M.close_file_buffer = require("nvim-tree.actions.node.close-file-buffer")
 M.run_command = require("nvim-tree.actions.node.run-command")
 M.system_open = require("nvim-tree.actions.node.system-open")
 
 function M.setup(opts)
   require("nvim-tree.actions.node.system-open").setup(opts)
   require("nvim-tree.actions.node.file-popup").setup(opts)
   require("nvim-tree.actions.node.open-file").setup(opts)
+  require("nvim-tree.actions.node.close-file-buffer").setup(opts)
 end
 
 return M

lua/nvim-tree/api.lua

@@ -24,6 +24,7 @@ local Api = {
     },
     run = {},
     open = {},
+    close = {},
   },
   events = {},
   marks = {
@@ -230,6 +231,13 @@ local function edit(mode, node)
   actions.node.open_file.fn(mode, path)
 end
 
+---@param node Node
+local function close_file_buffer(node)
+  local file_link = node:as(FileLinkNode)
+  local path = file_link and file_link.link_to or node.absolute_path
+  actions.node.close_file_buffer.fn(path)
+end
+
 ---@param mode string
 ---@param toggle_group boolean?
 ---@return fun(node: Node)
@@ -249,6 +257,8 @@ local function open_or_expand_or_dir_up(mode, toggle_group)
   end
 end
 
+Api.node.close.close_file_buffer = wrap_node(close_file_buffer)
+
 Api.node.open.edit = wrap_node(open_or_expand_or_dir_up("edit"))
 Api.node.open.drop = wrap_node(open_or_expand_or_dir_up("drop"))
 Api.node.open.tab_drop = wrap_node(open_or_expand_or_dir_up("tab_drop"))

lua/nvim-tree/keymap.lua

@@ -50,6 +50,7 @@ function M.default_on_attach(bufnr)
   vim.keymap.set("n", "<C-r>",          api.fs.rename_sub,                  opts("Rename: Omit Filename"))
   vim.keymap.set("n", "<C-t>",          api.node.open.tab,                  opts("Open: New Tab"))
   vim.keymap.set("n", "<C-v>",          api.node.open.vertical,             opts("Open: Vertical Split"))
+  vim.keymap.set("n", "<C-c>",          api.node.close.close_file_buffer,         opts("Close file buffer (if any exist)"))
   vim.keymap.set("n", "<C-x>",          api.node.open.horizontal,           opts("Open: Horizontal Split"))
   vim.keymap.set("n", "<BS>",           api.node.navigate.parent_close,     opts("Close Directory"))
   vim.keymap.set("n", "<CR>",           api.node.open.edit,                 opts("Open"))