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telescope-vinegar.nvim
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Rudis Muiznieks 2021-09-11 13:30:25 -05:00
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# telescope-vinegar.nvim
A modified version of [Telescope.nvim](https://github.com/nvim-telescope/telescope.nvim)'s built-in file browser with behavior inspired by [vim-vinegar](https://github.com/tpope/vim-vinegar) and [vim-filebeagle](https://github.com/jeetsukumaran/vim-filebeagle).
## Usage
File browser opens in the current buffer's directory in normal mode by default.
- `-` goes up a level to the parent directory
- `/` enters insert mode to search files
- `+` prompts for a new file name to create
- `h` toggles whether hidden files are displayed or not
## Installation
Install with packer (or similar equivalent package manager):
```lua
use 'rudism/telescope-vinegar.nvim'
```
Bind this to a key (I recommend `-`) and execute it to open the file browser in the current file's directory:
```lua
require('telescope').extensions.vinegar.file_browser()
```

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lua/telescope/_extensions/vinegar.lua Normal file
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local telescope = require('telescope')
local finders = require('telescope.finders')
local pickers = require('telescope.pickers')
local actions = require('telescope.actions')
local action_state = require('telescope.actions.state')
local action_set = require('telescope.actions.set')
local utils = require('telescope.utils')
local conf = require('telescope.config').values
local scan = require('plenary.scandir')
local Path = require('plenary.path')
local os_sep = Path.path.sep
return telescope.register_extension {
exports = {
file_browser = function(opts)
opts = opts or {}
local is_dir = function(value)
return value:sub(-1, -1) == os_sep
end
opts.depth = opts.depth or 1
opts.cwd = opts.cwd and vim.fn.expand(opts.cwd) or utils.buffer_dir()
opts.new_finder = opts.new_finder
or function(o)
opts.cwd = o.path
opts.hidden = o.hidden
local data = {}
scan.scan_dir(o.path, {
hidden = opts.hidden or false,
add_dirs = true,
depth = opts.depth,
on_insert = function(entry, typ)
table.insert(data, typ == "directory" and (entry .. os_sep) or entry)
end,
})
table.insert(data, ".." .. os_sep)
local maker = function()
local mt = {}
mt.cwd = opts.cwd
mt.display = function(entry)
local hl_group
local display = utils.transform_path(opts, entry.value)
if is_dir(entry.value) then
display = display .. os_sep
if not opts.disable_devicons then
display = (opts.dir_icon or "") .. " " .. display
hl_group = "Default"
end
else
display, hl_group = utils.transform_devicons(entry.value, display, opts.disable_devicons)
end
if hl_group then
return display, { { { 1, 3 }, hl_group } }
else
return display
end
end
mt.__index = function(t, k)
local raw = rawget(mt, k)
if raw then
return raw
end
if k == "path" then
local retpath = Path:new({ t.cwd, t.value }):absolute()
if not vim.loop.fs_access(retpath, "R", nil) then
retpath = t.value
end
if is_dir(t.value) then
retpath = retpath .. os_sep
end
return retpath
end
return rawget(t, rawget({ value = 1 }, k))
end
return function(line)
local tbl = { line }
tbl.ordinal = Path:new(line):make_relative(opts.cwd)
return setmetatable(tbl, mt)
end
end
return finders.new_table { results = data, entry_maker = maker() }
end
pickers.new(opts, {
prompt_title = 'File Browser',
prompt_prefix = '> ',
finder = opts.new_finder({ path = opts.cwd, hidden = opts.hidden }),
previewer = conf.file_previewer(opts),
sorter = conf.file_sorter(opts),
initial_mode = opts.initial_mode or 'normal',
attach_mappings = function(prompt_bufnr, map)
action_set.select:replace_if(function()
return is_dir(action_state.get_selected_entry().path)
end, function()
local new_cwd = vim.fn.expand(action_state.get_selected_entry().path:sub(1, -2))
local current_picker = action_state.get_current_picker(prompt_bufnr)
current_picker.cwd = new_cwd
current_picker:refresh(opts.new_finder({ path = new_cwd, hidden = opts.hidden }), { reset_prompt = true })
vim.cmd('stopinsert')
end)
local refresh_prompt = function(path)
vim.cmd('stopinsert')
local current_picker = action_state.get_current_picker(prompt_bufnr)
current_picker.cwd = path or current_picker.cwd
local new_prefix = opts.new_file_mode and 'Create File> ' or '> '
current_picker:refresh(
opts.new_finder({ path = path or current_picker.cwd, hidden = opts.hidden }),
{ reset_prompt = true, new_prefix = new_prefix }
)
end
local create_new_file = function()
local current_picker = action_state.get_current_picker(prompt_bufnr)
local file = action_state.get_current_line()
if file == "" then
refresh_prompt()
return
end
local fpath = current_picker.cwd .. os_sep .. file
if not is_dir(fpath) then
Path:new(fpath):touch { parents = true }
refresh_prompt()
else
Path:new(fpath:sub(1, -2)):mkdir { parents = true }
local new_cwd = vim.fn.expand(fpath)
refresh_prompt(new_cwd)
end
end
map("n", "-", function() -- go up a level
local current_picker = action_state.get_current_picker(prompt_bufnr)
local new_cwd = Path:new(current_picker.cwd):parent():absolute()
refresh_prompt(new_cwd)
end)
map("n", "/", function() -- enter insert mode to search
vim.cmd('startinsert')
end)
map("n", "+", function() -- enter insert mode to create new file
opts.new_file_mode = true
refresh_prompt()
vim.cmd('startinsert')
end)
map("n", "h", function() -- toggle hidden
local current_picker = action_state.get_current_picker(prompt_bufnr)
current_picker:refresh(
opts.new_finder({ path = current_picker.cwd, hidden = not opts.hidden }),
{ reset_prompt = true }
)
end)
map("i", "<esc>", function()
opts.new_file_mode = false
refresh_prompt()
end)
map("i", "<cr>", function() -- create file or default
if opts.new_file_mode then
opts.new_file_mode = false
create_new_file()
else
actions.select_default(prompt_bufnr)
end
end)
return true
end,
}):find()
end
}
}