init

lua/lib/utils.lua

@@ -0,0 +1,134 @@
+-- lua/lib/utils.lua
+require("lua.lib.globals")
+local M = {}
+
+local function is_table(x)
+	return type(x) == "table"
+end
+
+local function is_list(t)
+	if type(t) ~= "table" then
+		return false
+	end
+
+	local n = 0
+
+	for k, _ in pairs(t) do
+		if type(k) ~= "number" then
+			return false
+		end
+
+		if k > n then
+			n = k
+		end
+	end
+
+	for i = 1, n do
+		if t[i] == nil then
+			return false
+		end
+	end
+
+	return true
+end
+
+function M.list_extend(dst, src)
+	for _, value in ipairs(src) do
+		table.insert(dst, value)
+	end
+
+	return dst
+end
+
+local function deepcopy(value, seen)
+	if type(value) ~= "table" then
+		return value
+	end
+
+	seen = seen or {}
+	if seen[value] then
+		return seen[value]
+	end
+
+	local result = {}
+	seen[value] = result
+
+	for k, v in pairs(value) do
+		result[deepcopy(k, seen)] = deepcopy(v, seen)
+	end
+
+	return result
+end
+
+function M.tbl_recursive_merge(defaults, overrides)
+	local result = deepcopy(defaults)
+
+	if not is_table(overrides) then
+		return result
+	end
+
+	for key, value in pairs(overrides) do
+		if is_table(value) and is_table(result[key]) then
+			result[key] = M.tbl_recursive_merge(result[key], value)
+		else
+			result[key] = deepcopy(value)
+		end
+	end
+
+	return result
+end
+
+function M.extend_config(defaults, user_module)
+	if not M.is_file_exists(HYPR .. user_module) then
+		return deepcopy(defaults)
+	end
+	local ok, overrides = pcall(require, user_module)
+
+	if not ok then
+		return deepcopy(defaults)
+	end
+
+	if type(overrides) ~= "table" then
+		return deepcopy(defaults)
+	end
+
+	return M.tbl_recursive_merge(defaults, overrides)
+end
+
+function M.is_file_exists(name)
+	local f = io.open(name, "r")
+	if f ~= nil then
+		io.close(f)
+		return true
+	else
+		return false
+	end
+end
+
+function M.exec_if_file_extes(file)
+	if M.is_file_exists(file) then
+		hl.exec_cmd(file)
+	else
+		hl.notification.create({ file .. " doesn't extist", 5000, 0 })
+	end
+end
+
+function M.create_if_not_exists(path)
+	if not M.is_file_exists(path) then
+		os.execute('mkdir -pv "$(dirname "' .. path .. '")"')
+		os.execute("touch " .. path)
+		return true
+	end
+	return false
+end
+
+function M.shell_quote(s)
+	return "'" .. tostring(s):gsub("'", "'\\''") .. "'"
+end
+
+function M.command_success(cmd)
+	local ok = os.execute(cmd)
+	return ok == true or ok == 0
+end
+
+return M