Feat: add telescope file_browser and rewrite keymap

nvim/.config/nvim/lua/config/telescope.lua

@@ -1,3 +1,7 @@
+local status, telescope = pcall(require, "telescope")
+if (not status) then return end
+local builtin = require("telescope.builtin")
+
 local previewers = require('telescope.previewers')
 local Job = require('plenary.job')
 local new_maker = function(filepath, bufnr, opts)
@@ -19,7 +23,12 @@ local new_maker = function(filepath, bufnr, opts)
     }):sync()
 end
 
-require('telescope').setup {
+local fb_actions = require "telescope".extensions.file_browser.actions
+local function telescope_buffer_dir()
+  return vim.fn.expand('%:p:h')
+end
+
+telescope.setup {
     defaults = {
         buffer_previewer_maker = new_maker,
         file_ignore_patterns = { "**/*.pdf" },
@@ -31,16 +40,52 @@ require('telescope').setup {
             override_file_sorter = true, -- override the file sorter
             case_mode = "smart_case", -- or "ignore_case" or "respect_case"
             -- the default case_mode is "smart_case"
-        }
+        },
+        file_browser = {
+            theme = "dropdown",
+            -- disables netrw and use telescope-file-browser in its place
+            hijack_netrw = true,
+            mappings = {
+                ["n"] = {
+                    -- your custom normal mode mappings
+                    ["h"] = fb_actions.goto_parent_dir,
+                },
+            },
+        },
     }
 }
 
-require('telescope').load_extension('fzf')
+telescope.load_extension('fzf')
+telescope.load_extension('file_browser')
 
-local map = vim.api.nvim_set_keymap
--- Find files using Telescope command-line sugar.
-map('n', '<leader>e', '<cmd>Telescope find_files<cr>', {})
-map('n', '<leader>g', '<cmd>Telescope live_grep<cr>', {})
-map('n', '<leader>b', '<cmd>Telescope buffers<cr>', {})
-map('n', '<leader>h', '<cmd>Telescope help_tags<cr>', {})
 
+-- keymaps
+vim.keymap.set('n', '<leader>e',
+    function()
+        builtin.find_files({
+        })
+    end)
+vim.keymap.set('n', '<leader>g', function()
+    builtin.live_grep()
+end)
+vim.keymap.set('n', '<leader>b', function()
+    builtin.buffers()
+end)
+vim.keymap.set('n', '<leader>h', function()
+    builtin.resume()
+end)
+-- vim.keymap.set('n', '<leader>d', function()
+--     builtin.diagnostics()
+-- end)
+vim.keymap.set("n", "<leader>fb", function()
+  telescope.extensions.file_browser.file_browser({
+    path = "%:p:h",
+    cwd = telescope_buffer_dir(),
+    respect_gitignore = false,
+    hidden = true,
+    grouped = true,
+    previewer = false,
+    initial_mode = "normal",
+    layout_config = { height = 40 }
+  })
+end)

nvim/.config/nvim/lua/plugins.lua

@@ -93,6 +93,7 @@ return packer.startup(function(use)
     }
 
     use {'nvim-telescope/telescope-fzf-native.nvim', run = 'make' }
+    use { "nvim-telescope/telescope-file-browser.nvim" }
 
     use {
         'lervag/vimtex',