neovim/.config/nvim/lua/dyamon/util/checkpoint.lua


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--- Personal lua config files for NeoVim.
--  Last Changed: 2019-01-27
--  Author: Federico Igne <git@federicoigne.com>
--  License: This file is placed in the public domain.

local map = require 'dyamon.util.map'

local checkpoint = { }

--- Define insert mapping for parentesis with checkpoints
--
-- @note this uses an experimental feature of vim-surround.
--
-- @param keys key sequence to trigger the mapping.
-- @param trigger vim-surround snippet trigger.
-- @param bufnr buffer for which the mapping is defined (nil for global mappings).
function checkpoint.surround(keys, trigger, bufnr)
  if bufnr then
    map.b.i(bufnr, keys, '<c-g>u<c-s>'..trigger, { silent = true })
  else
    map.i(keys, '<c-g>u<c-s>'..trigger, { silent = true })
  end
end

--- Add boilerplate to insert mode snippet
--
-- @param str snippet of code/text
-- @return snippet wrapped in additional common insert mode commands
function checkpoint.snippet(str)
    return '<c-g>u' .. str .. '<esc>?<++[^>]*++><cr>gn'
end

return checkpoint