Add mapping for toggling ignored folders visibility.

Author: kristijanhusak

README.md

@@ -44,12 +44,13 @@ let g:lua_tree_show_icons = {
 " You don't have to define all keys.
 " NOTE: the 'edit' key will wrap/unwrap a folder and open a file
 let g:lua_tree_bindings = {
-    \ 'edit':        '<CR>',
-    \ 'edit_vsplit': '<C-v>',
-    \ 'edit_split':  '<C-x>',
-    \ 'edit_tab':    '<C-t>',
-    \ 'preview':     '<Tab>',
-    \ 'cd':          '<C-]>',
+    \ 'edit':           '<CR>',
+    \ 'edit_vsplit':    '<C-v>',
+    \ 'edit_split':     '<C-x>',
+    \ 'edit_tab':       '<C-t>',
+    \ 'toggle_ignored': 'I',
+    \ 'preview':        '<Tab>',
+    \ 'cd':             '<C-]>',
     }
 
 " Disable default mappings by plugin
@@ -99,6 +100,7 @@ highlight LuaTreeFolderIcon guibg=blue
 - `<C-x>` will open the file in a horizontal split
 - `<C-t>` will open the file in a new tab
 - `<Tab>` will open the file as a preview (keeps the cursor in the tree)
+- `I` will toggle visibility of folders hidden via |g:lua_tree_ignore|
 - `gx` opens the file with the `open` command on MACOS and `xdg-open` in linux
 - Double left click acts like `<CR>`
 - Double right click acts like `<C-]>`

doc/nvim-tree-lua.txt

@@ -145,6 +145,7 @@ INFORMATIONS				        *nvim-tree-info*
 - '<C-x>' will open the file in a horizontal split
 - '<C-t>' will open the file in a new tab
 - '<Tab>' will open the file as a preview (keeps the cursor in the tree)
+- 'I' will toggle visibility of folders hidden via |g:lua_tree_ignore|
 - 'gx' opens the file with the `open` command on macos and `xdg-open`
 on linux.
 

lua/lib/config.lua

@@ -45,15 +45,16 @@ end
 function M.get_bindings()
   local keybindings = vim.g.lua_tree_bindings or {}
   return {
-    edit        = keybindings.edit or '<CR>',
-    edit_vsplit = keybindings.edit_vsplit or '<C-v>',
-    edit_split  = keybindings.edit_split or '<C-x>',
-    edit_tab    = keybindings.edit_tab or '<C-t>',
-    preview     = keybindings.preview or '<Tab>',
-    cd          = keybindings.cd or '<C-]>',
-    create      = keybindings.create or 'a',
-    remove      = keybindings.remove or 'd',
-    rename      = keybindings.rename or 'r',
+    edit           = keybindings.edit or '<CR>',
+    edit_vsplit    = keybindings.edit_vsplit or '<C-v>',
+    edit_split     = keybindings.edit_split or '<C-x>',
+    edit_tab       = keybindings.edit_tab or '<C-t>',
+    preview        = keybindings.preview or '<Tab>',
+    toggle_ignored = keybindings.toggle_ignored or 'I',
+    cd             = keybindings.cd or '<C-]>',
+    create         = keybindings.create or 'a',
+    remove         = keybindings.remove or 'd',
+    rename         = keybindings.rename or 'r',
   }
 end
 

lua/lib/lib.lua

@@ -205,6 +205,7 @@ local function set_mappings()
     [bindings.edit_vsplit] = 'on_keypress("vsplit")';
     [bindings.edit_split] = 'on_keypress("split")';
     [bindings.edit_tab] = 'on_keypress("tabnew")';
+    [bindings.toggle_ignored] = 'on_keypress("toggle_ignored")';
     [bindings.create] = 'on_keypress("create")';
     [bindings.remove] = 'on_keypress("remove")';
     [bindings.rename] = 'on_keypress("rename")';
@@ -278,4 +279,9 @@ function M.win_open()
   return false
 end
 
+function M.toggle_ignored()
+  pops.show_ignored = not pops.show_ignored
+  return M.refresh_tree()
+end
+
 return M

lua/lib/populate.lua

@@ -5,7 +5,9 @@ local icon_config = config.get_icon_state()
 local api = vim.api
 local luv = vim.loop
 
-local M = {}
+local M = {
+  show_ignored = false
+}
 
 local path_to_matching_str = require'lib.utils'.path_to_matching_str
 
@@ -63,7 +65,7 @@ local function gen_ignore_check()
   end
 
   return function(path)
-    return ignore_list[path] == true
+    return not M.show_ignored and ignore_list[path] == true
   end
 end
 

lua/tree.lua

@@ -45,6 +45,10 @@ function M.on_keypress(mode)
     return lib.open_file(mode, node.absolute_path)
   end
 
+  if mode == 'toggle_ignored' then
+    return lib.toggle_ignored()
+  end
+
   if node.name == ".." then
     return lib.change_dir("..")
   elseif mode == "cd" and node.entries ~= nil then