neovim-config/lua/core/utils.lua

244 lines
6.5 KiB
Lua

local M = {}
local api = vim.api
local merge_tb = vim.tbl_deep_extend
M.close_buffer = function(bufnr)
if vim.bo.buftype == "terminal" then
if vim.bo.buflisted then
vim.bo.buflisted = false
vim.cmd "enew"
else
vim.cmd "hide"
end
return
end
-- if file doesnt exist & its modified
if vim.bo.modified then
print "save the file!"
return
end
bufnr = bufnr or api.nvim_get_current_buf()
require("core.utils").tabuflinePrev()
vim.cmd("bd" .. bufnr)
end
M.load_config = function()
local config = require "core.default_config"
local chadrc_exists, chadrc = pcall(require, "custom.chadrc")
if chadrc_exists then
-- merge user config if it exists and is a table; otherwise display an error
if type(chadrc) == "table" then
M.remove_default_keys()
config = merge_tb("force", config, chadrc)
else
error "chadrc must return a table!"
end
end
config.mappings.disabled = nil
return config
end
M.remove_default_keys = function()
local chadrc = require "custom.chadrc"
local user_mappings = chadrc.mappings or {}
local user_keys = {}
local user_sections = vim.tbl_keys(user_mappings)
-- push user_map keys in user_keys table
for _, section in ipairs(user_sections) do
user_keys = vim.tbl_deep_extend("force", user_keys, user_mappings[section])
end
local function disable_key(mode, keybind, mode_mapping)
local keys_in_mode = vim.tbl_keys(user_keys[mode] or {})
if vim.tbl_contains(keys_in_mode, keybind) then
mode_mapping[keybind] = nil
end
end
local default_mappings = require("core.default_config").mappings
-- remove user_maps from default mapping table
for _, section_mappings in pairs(default_mappings) do
for mode, mode_mapping in pairs(section_mappings) do
for keybind, _ in pairs(mode_mapping) do
disable_key(mode, keybind, mode_mapping)
end
end
end
end
M.load_mappings = function(mappings, mapping_opt)
-- set mapping function with/without whichkey
local map_func
local whichkey_exists, wk = pcall(require, "which-key")
if whichkey_exists then
map_func = function(keybind, mapping_info, opts)
wk.register({ [keybind] = mapping_info }, opts)
end
else
map_func = function(keybind, mapping_info, opts)
local mode = opts.mode
opts.mode = nil
vim.keymap.set(mode, keybind, mapping_info[1], opts)
end
end
mappings = mappings or vim.deepcopy(M.load_config().mappings)
mappings.lspconfig = nil
for _, section_mappings in pairs(mappings) do
-- skip mapping this as its mapppings are loaded in lspconfig
for mode, mode_mappings in pairs(section_mappings) do
for keybind, mapping_info in pairs(mode_mappings) do
-- merge default + user opts
local default_opts = merge_tb("force", { mode = mode }, mapping_opt or {})
local opts = merge_tb("force", default_opts, mapping_info.opts or {})
if mapping_info.opts then
mapping_info.opts = nil
end
map_func(keybind, mapping_info, opts)
end
end
end
end
-- remove plugins defined in chadrc
M.remove_default_plugins = function(plugins)
local removals = M.load_config().plugins.remove or {}
if not vim.tbl_isempty(removals) then
for _, plugin in pairs(removals) do
plugins[plugin] = nil
end
end
return plugins
end
-- merge default/user plugin tables
M.merge_plugins = function(default_plugins)
local user_plugins = M.load_config().plugins.user
-- merge default + user plugin table
default_plugins = merge_tb("force", default_plugins, user_plugins)
local final_table = {}
for key, _ in pairs(default_plugins) do
default_plugins[key][1] = key
final_table[#final_table + 1] = default_plugins[key]
end
return final_table
end
M.load_override = function(default_table, plugin_name)
local user_table = M.load_config().plugins.override[plugin_name]
if type(user_table) == "function" then
user_table = user_table()
elseif type(user_table) == "table" then
default_table = merge_tb("force", default_table, user_table)
else
default_table = default_table
end
return default_table
end
M.packer_sync = function(...)
local git_exists, git = pcall(require, "nvchad.utils.git")
local defaults_exists, defaults = pcall(require, "nvchad.utils.config")
local packer_exists, packer = pcall(require, "packer")
if git_exists and defaults_exists then
local current_branch_name = git.get_current_branch_name()
-- warn the user if we are on a snapshot branch
if current_branch_name:match(defaults.snaps.base_snap_branch_name .. "(.+)" .. "$") then
vim.api.nvim_echo({
{ "WARNING: You are trying to use ", "WarningMsg" },
{ "PackerSync" },
{
" on a NvChadSnapshot. This will cause issues if NvChad dependencies contain "
.. "any breaking changes! Plugin updates will not be included in this "
.. "snapshot, so they will be lost after switching between snapshots! Would "
.. "you still like to continue? [y/N]\n",
"WarningMsg",
},
}, false, {})
local ans = vim.trim(string.lower(vim.fn.input "-> "))
if ans ~= "y" then
return
end
end
end
if packer_exists then
packer.sync(...)
else
error "Packer could not be loaded!"
end
end
M.bufilter = function()
local bufs = vim.t.bufs
for i = #bufs, 1, -1 do
if not vim.api.nvim_buf_is_valid(bufs[i]) then
table.remove(bufs, i)
end
end
return bufs
end
M.tabuflineNext = function()
local bufs = M.bufilter() or {}
for i, v in ipairs(bufs) do
if api.nvim_get_current_buf() == v then
vim.cmd(i == #bufs and "b" .. bufs[1] or "b" .. bufs[i + 1])
break
end
end
end
M.tabuflinePrev = function()
local bufs = M.bufilter() or {}
for i, v in ipairs(bufs) do
if api.nvim_get_current_buf() == v then
vim.cmd(i == 1 and "b" .. bufs[#bufs] or "b" .. bufs[i - 1])
break
end
end
end
-- closes tab + all of its buffers
M.closeAllBufs = function(action)
local bufs = vim.t.bufs or {}
for _, buf in ipairs(bufs) do
M.close_buffer(buf)
end
vim.cmd(action == "closeTab" and "tabclose" or "enew")
end
return M