NvChad/lua/core/utils.lua
Akianonymus a20fc560f3 utils: Improve mapping function | Properly lazy load whichkey
just add desc with normal vim.keymap.set function

whichkey will automatically use the descriptions
2022-08-11 22:53:17 +05:30

228 lines
5.9 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
vim.cmd(vim.bo.buflisted and "set nobl | enew" or "hide")
elseif vim.bo.modified then
print "save the file bruh"
else
bufnr = bufnr or api.nvim_get_current_buf()
require("core.utils").tabuflinePrev()
vim.cmd("bd" .. bufnr)
end
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
config.mappings = M.remove_disabled_keys(chadrc.mappings, config.mappings)
config = merge_tb("force", config, chadrc) or {}
else
error "chadrc must return a table!"
end
end
config.mappings.disabled = nil
return config
end
M.remove_disabled_keys = function(chadrc_mappings, default_mappings)
if not chadrc_mappings then
return default_mappings
end
-- store keys in a array with true value to compare
local keys_to_disable = {}
for _, mappings in pairs(chadrc_mappings) do
for mode, section_keys in pairs(mappings) do
if not keys_to_disable[mode] then
keys_to_disable[mode] = {}
end
for k, _ in pairs(section_keys) do
keys_to_disable[mode][k] = true
end
end
end
-- make a copy as we need to modify default_mappings
for section_name, section_mappings in pairs(default_mappings) do
for mode, mode_mappings in pairs(section_mappings) do
mode_mappings = (type(mode_mappings) == "table" and mode_mappings) or {}
for k, _ in pairs(mode_mappings) do
-- if key if found then remove from default_mappings
if keys_to_disable[mode] and keys_to_disable[mode][k] then
default_mappings[section_name][mode][k] = nil
end
end
end
end
return default_mappings
end
M.load_mappings = function(section, mapping_opt)
local function set_section_map(section_values)
if section_values.plugin then
return
end
section_values.plugin = nil
for mode, mode_values in pairs(section_values) do
local default_opts = merge_tb("force", { mode = mode }, mapping_opt or {})
for keybind, mapping_info in pairs(mode_values) do
-- merge default + user opts
local opts = merge_tb("force", default_opts, mapping_info.opts or {})
mapping_info.opts, opts.mode = nil, nil
opts.desc = mapping_info[2]
vim.keymap.set(mode, keybind, mapping_info[1], opts)
end
end
end
local mappings = require("core.utils").load_config().mappings
if type(section) == "string" then
mappings[section]["plugin"] = nil
mappings = { mappings[section] }
end
for _, sect in pairs(mappings) do
set_section_map(sect)
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] or {}
user_table = type(user_table) == "table" and user_table or user_table()
return merge_tb("force", default_table, user_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
if action == "closeTab" then
vim.cmd "tabclose"
end
for _, buf in ipairs(bufs) do
M.close_buffer(buf)
end
if action ~= "closeTab" then
vim.cmd "enew"
end
end
return M