nlua.nvim/lua/nlua/ftplugin.lua at master · tjdevries/nlua.nvim

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-- TODO: This should get moved to `ftplugin/lua.lua` when neovim supports that.

--[[

function! s:matchfilter(list, pat) abort

return filter(map(copy(a:list), 'matchstr(v:val, '.string(a:pat).')'), 'len(v:val)')

endfunction

if !exists('g:lua_path')

let g:lua_path = split(system('lua -e "print(package.path)"')[0:-2], ';')

if v:shell_error || empty(g:lua_path)

let g:lua_path = ['./?.lua', './?/init.lua']

endif

call apathy#Prepend('path', s:matchfilter(g:lua_path, '^[^?]*[^?\/]'))

]]

-- Goal: /usr/local/share/lua/5.3,/usr/local/lib/lua/5.3,.,,

local function setup_path()

local split_paths = vim.split(package.path, ";")

local paths = {}

for _, v in ipairs(split_paths) do

table.insert(paths, vim.fn.fnamemodify(v, ":p:h"))

end

local concat_paths = table.concat(paths, ",")

-- TODO: Make sure we don't put this in over and over and over...

vim.bo.path = concat_paths .. "," .. vim.o.path

end

return function()

-- Setup `gf` and include-style options.

vim.bo.include = [[\v<((do|load)file|require)[^''"]*[''"]\zs[^''"]+]]

vim.bo.includeexpr = 'v:lua.nlua.include_expr(v:fname)'

vim.bo.comments = ':---,:--'

-- TODO: Find a lua formatter that could actually support this.

-- As well as equalprg and related.

-- vim.bo.formatexpr = 'v:lua.nlua.format_expr()'

setup_path()

-- TODO: Document this:

-- if vim.api.nvim_buf_get_option(0, 'filetype') ~= 'lua' then

-- mapper('n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>')

-- end

-- TODO: Customize keymap

vim.api.nvim_buf_set_keymap(0, 'n', 'K', '<cmd>lua nlua.keyword_program()<CR>', {noremap = true, silent = true})

end