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satellite/home/features/neovim/config/lua/my/runtime.lua
2023-12-16 19:40:08 +01:00

136 lines
2.7 KiB
Lua

local M = {}
-- {{{ General helpers
local function string_chars(str)
local chars = {}
for i = 1, #str do
table.insert(chars, str:sub(i, i))
end
return chars
end
local function with_default(default, given)
if given == nil then
return default
else
return given
end
end
-- }}}
-- {{{ API wrappers
-- {{{ Keymaps
function M.set_keymap(opts, context)
if context == nil then
context = {}
end
local buffer = nil
if context.bufnr ~= nil then
buffer = context.bufnr
end
vim.keymap.set(
string_chars(with_default("n", opts.mode)),
opts.mapping,
opts.action,
{
desc = opts.desc,
buffer = with_default(buffer, opts.buffer),
expr = opts.expr,
silent = with_default(true, opts.silent),
}
)
end
-- }}}
-- {{{ Autocmds
function M.create_autocmd(opts)
local callback
if type(opts.action) == "function" then
callback = opts.action
end
if type(opts.action) == "table" then
callback = function(event)
M.configure(opts.action, event)
end
end
vim.api.nvim_create_autocmd(opts.event, {
group = vim.api.nvim_create_augroup(opts.group, {}),
pattern = opts.pattern,
callback = callback,
})
end
-- }}}
-- }}}
-- {{{ Main config runtime
local function recursive_assign(source, destination)
for key, value in pairs(source) do
if type(value) == "table" and type(destination[key]) == "table" then
recursive_assign(value, destination[key])
else
destination[key] = value
end
end
end
function M.configure(opts, context)
if type(opts.vim) == "table" then
recursive_assign(opts.vim, vim)
end
if type(opts.keys) == "table" then
local keys = opts.keys
-- Detect single key passed instead of array
if keys.mapping ~= nil then
keys = { keys }
end
for _, keymap in ipairs(keys) do
M.set_keymap(keymap, context)
end
end
if type(opts.autocmds) == "table" then
local autocmds = opts.autocmds
-- Detect single autocmd passed instead of array
if autocmds.pattern ~= nil then
autocmds = { autocmds }
end
for _, autocmd in ipairs(autocmds) do
M.create_autocmd(autocmd)
end
end
if type(opts.setup) == "table" then
for key, arg in pairs(opts.setup) do
require(key).setup(arg)
end
end
if
type(context) == "table"
and context.lazy ~= nil
and context.opts ~= nil
and vim.inspect(context.opts) ~= "{}"
then
-- This is a terrible way to do it :/
local status, module = pcall(require, context.lazy.name)
if status then
module.setup(context.opts)
end
end
if type(opts.callback) == "function" then
opts.callback(context)
end
end
-- }}}
return M