vim-settings/neovim/lua/utils.lua

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-- Utils taken from https://github.com/zzzeyez/dots/blob/master/nvim/lua/utils.lua
local M = {}
-- Key mapping
function M.map(mode, key, result, opts)
vim.fn.nvim_set_keymap(
mode,
key,
result,
{
noremap = true,
silent = opts.silent or false,
expr = opts.expr or false,
script = opts.script or false
}
)
end
function M.augroup(group, fn)
vim.api.nvim_command("augroup " .. group)
vim.api.nvim_command("autocmd!")
fn()
vim.api.nvim_command("augroup END")
end
function M.get_color(synID, what, mode)
return vim.fn.synIDattr(vim.fn.synIDtrans(vim.fn.hlID(synID)), what, mode)
end
-- Create an autocmd
function M.autocmd(group, cmds, clear)
clear = clear == nil and false or clear
if type(cmds) == "string" then cmds = {cmds} end
vim.cmd("augroup " .. group)
if clear then vim.cmd [[au!]] end
for _, cmd in ipairs(cmds) do vim.cmd("autocmd " .. cmd) end
vim.cmd [[augroup END]]
end
-- Terminal escape a given string
function M.t(str)
return vim.api.nvim_replace_termcodes(str, true, true, true)
end
-- Get env value or use default, if not present
function M.env_default(name, def)
val = vim.env[name]
return val == nil and def or val
end
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-- Checks to see if a package can be required
function M.can_require(name)
if package.loaded[name] then
return false
else
for _, searcher in ipairs(package.searchers or package.loaders) do
local loader = searcher(name)
if type(loader) == 'function' then
package.preload[name] = loader
return true
end
end
return false
end
end
-- Require a package if possible
function M.maybe_require(name)
if M.can_require(name) then
return require(name)
end
return nil
end
-- Require a package and a "_local" suffixed one
function M.require_with_local(name)
-- TODO: Decide if local should completely override the versioned module
-- In that case, the local file would probably start with a `require` for the
-- non-local version. This would allow more control but at the cost of a bit
-- of boiler plate
rmod = require(name)
lmod = M.maybe_require(name .. "_local")
if lmod ~= nil then
return lmod
end
return rmod
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end
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return M