Fuzzily change cwd based off of the lines in the current buffer. Works well with oil.nvim.

cd.lua

---@brief [[
---Get lines from a buffer > feed the lines into telescope\
---Choose from the entries
---See if the chosen entry is a directory
---If yes then run :chd <chosen> else do nothing
---@brief ]]

local finders = require("telescope.finders")
local pickers = require("telescope.pickers")
local config = require("telescope.config")
local actions = require("telescope.actions")

local actions_state = require("telescope.actions.state")
local make_entry = require("telescope.make_entry")
local Path = require("plenary.path")

local options = {} -- config

-- open oil window
-- require("cd"):find()
-- alternatively: vim.keymap.set("n", ";cd", function() require("cd"):find() end)
-- make selection
return pickers.new(options, {
  prompt_title = "Choose",
  finder = finders.new_table({
    results = vim.api.nvim_buf_get_lines(0, 0, -1, false),
    entry_maker = make_entry.gen_from_file(options)
  }),
  sorter = config.values.file_sorter(options),
  attach_mappings = function(buffer)
    actions.select_default:replace(function()
      local selection = actions_state.get_selected_entry()[1]
      if Path:new(selection):is_dir() then vim.cmd.chdir(selection) end
      actions.close(buffer)
    end)
    return true
  end,
})