Path separator opens directory when dir name is in input (#313)

* Path separator acts as "select" when directory is selected

* Add docs for path separator

lua/telescope/_extensions/file_browser/actions.lua

@@ -40,6 +40,7 @@ local transform_mod = require("telescope.actions.mt").transform_mod
 
 local Path = require "plenary.path"
 local popup = require "plenary.popup"
+local scan = require "plenary.scandir"
 
 local fb_actions = setmetatable({}, {
   __index = function(_, k)
@@ -780,5 +781,53 @@ fb_actions.backspace = function(prompt_bufnr, bypass)
   end
 end
 
+fb_actions.path_separator = function(prompt_bufnr)
+  local current_picker = action_state.get_current_picker(prompt_bufnr)
+  local dir = Path:new(current_picker.finder.path .. os_sep .. current_picker:_get_prompt() .. os_sep)
+
+  if dir:exists() and dir:is_dir() then
+    fb_actions.open_dir(prompt_bufnr, dir.filename)
+  else
+    vim.api.nvim_feedkeys(vim.api.nvim_replace_termcodes(os_sep, true, false, true), "tn", false)
+  end
+end
+
+fb_actions.open_dir = function(prompt_bufnr, dir)
+  local current_picker = action_state.get_current_picker(prompt_bufnr)
+  local finder = current_picker.finder
+  local entry = action_state.get_selected_entry()
+
+  if not vim.loop.fs_access(entry.path, "X") then
+    fb_utils.notify("select", { level = "WARN", msg = "Permission denied" })
+    return
+  end
+
+  local path = vim.loop.fs_realpath(dir:match("^" .. os_sep) and dir or entry.path)
+
+  if finder.files and finder.collapse_dirs then
+    local upwards = path == Path:new(finder.path):parent():absolute()
+    while true do
+      local dirs = scan.scan_dir(path, { add_dirs = true, depth = 1, hidden = true })
+      if #dirs == 1 and vim.fn.isdirectory(dirs[1]) then
+        path = upwards and Path:new(path):parent():absolute() or dirs[1]
+        -- make sure it's upper bound (#dirs == 1 implicitly reflects lower bound)
+        if path == Path:new(path):parent():absolute() then
+          break
+        end
+      else
+        break
+      end
+    end
+  end
+
+  finder.files = true
+  finder.path = path
+  fb_utils.redraw_border_title(current_picker)
+  current_picker:refresh(
+    finder,
+    { new_prefix = fb_utils.relative_path_prefix(finder), reset_prompt = true, multi = current_picker._multi }
+  )
+end
+
 fb_actions = transform_mod(fb_actions)
 return fb_actions

lua/telescope/_extensions/file_browser/config.lua

@@ -27,6 +27,7 @@ _TelescopeFileBrowserConfig = {
       ["<C-h>"] = fb_actions.toggle_hidden,
       ["<C-s>"] = fb_actions.toggle_all,
       ["<bs>"] = fb_actions.backspace,
+      [Path.path.sep] = fb_actions.path_separator,
     },
     ["n"] = {
       ["c"] = fb_actions.create,
@@ -44,47 +45,13 @@ _TelescopeFileBrowserConfig = {
       ["s"] = fb_actions.toggle_all,
     },
   },
-  attach_mappings = function(prompt_bufnr, _)
+  attach_mappings = function()
     action_set.select:replace_if(function()
       -- test whether selected entry is directory
       local entry = action_state.get_selected_entry()
       return entry and entry.Path:is_dir()
-    end, function()
-      local current_picker = action_state.get_current_picker(prompt_bufnr)
-      local finder = current_picker.finder
-      local entry = action_state.get_selected_entry()
-
-      if not vim.loop.fs_access(entry.path, "X") then
-        fb_utils.notify("select", { level = "WARN", msg = "Permission denied" })
-        return
-      end
-
-      local path = vim.loop.fs_realpath(entry.path)
-
-      if finder.files and finder.collapse_dirs then
-        local upwards = path == Path:new(finder.path):parent():absolute()
-        while true do
-          local dirs = scan.scan_dir(path, { add_dirs = true, depth = 1, hidden = true })
-          if #dirs == 1 and vim.fn.isdirectory(dirs[1]) then
-            path = upwards and Path:new(path):parent():absolute() or dirs[1]
-            -- make sure it's upper bound (#dirs == 1 implicitly reflects lower bound)
-            if path == Path:new(path):parent():absolute() then
-              break
-            end
-          else
-            break
-          end
-        end
-      end
+    end, fb_actions.open_dir)
 
-      finder.files = true
-      finder.path = path
-      fb_utils.redraw_border_title(current_picker)
-      current_picker:refresh(
-        finder,
-        { new_prefix = fb_utils.relative_path_prefix(finder), reset_prompt = true, multi = current_picker._multi }
-      )
-    end)
     return true
   end,
 } or _TelescopeFileBrowserConfig

lua/telescope/_extensions/file_browser/picker.lua

@@ -30,7 +30,8 @@ local fb_picker = {}
 --- List, create, delete, rename, or move files and folders of your cwd.<br>
 --- Notes
 --- - Default keymaps in insert/normal mode:
----   - `<cr>`: opens the currently selected file, or navigates to the currently selected directory
+---   - `<cr>`   : Opens the currently selected file, or navigates to the currently selected directory
+---   - `/`, `\` : (OS Path separator) When typing filepath, the path separator will open a directory like `<cr>`.
 ---   - `<A-c>/c`: Create file/folder at current `path` (trailing path separator creates folder)
 ---   - `<A-r>/r`: Rename multi-selected files/folders
 ---   - `<A-m>/m`: Move multi-selected files/folders to current `path`