nvim-tree: reactively retrieve mappings

nvim-tree: reactively retrieve mappings.lua

local api = require "nvim-tree.api"
local Event = api.events.Event

api.events.subscribe(Event.TreeAttachedPost, function(bufnr)
  print(string.format("TreeAttachedPost bufnr=%s", vim.inspect(bufnr)))

  local buf_keymaps = vim.api.nvim_buf_get_keymap(bufnr, "")

  for i = 1, 4, 1 do
  	print(vim.inspect(buf_keymaps[i]))
  end
end)

-- output
TreeAttachedPost bufnr=2
{
  buffer = 2,
  callback = <function 1>,
  desc = "nvim-tree: Open Preview",
  expr = 0,
  lhs = "<Tab>",
  lhsraw = "\t",
  lnum = 0,
  mode = "n",
  noremap = 1,
  nowait = 1,
  script = 0,
  sid = -8,
  silent = 1
}
{
  buffer = 2,
  callback = <function 1>,
  desc = "nvim-tree: Open",
  expr = 0,
  lhs = "<CR>",
  lhsraw = "\r",
  lnum = 0,
  mode = "n",
  noremap = 1,
  nowait = 1,
  script = 0,
  sid = -8,
  silent = 1
}
{
  buffer = 2,
  callback = <function 1>,
  desc = "nvim-tree: Up",
  expr = 0,
  lhs = "-",
  lhsraw = "-",
  lnum = 0,
  mode = "n",
  noremap = 1,
  nowait = 1,
  script = 0,
  sid = -8,
  silent = 1
}
{
  buffer = 2,
  callback = <function 1>,
  desc = "nvim-tree: Run Command",
  expr = 0,
  lhs = ".",
  lhsraw = ".",
  lnum = 0,
  mode = "n",
  noremap = 1,
  nowait = 1,
  script = 0,
  sid = -8,
  silent = 1
}