dotfiles/nvim/lua/config/compose.lua

---Tags used for filtering certain features
---@alias ComposerTag
--- | 'standalone' # True if running as a standalone application
--- | 'linux'      # True if running on Linux

---@type table<ComposerTag, boolean>
local env = {
	standalone = not vim.g.vscode,
	linux      = jit.os == 'Linux',
}

---@param tags ComposerTag | ComposerTag[]
---@return boolean
local function is(tags)
	if type(tags) == 'string' then
		return env[tags] or false
	end

	for _, tag in ipairs(tags) do
		if not env[tag] then
			return false
		end
	end

	return true
end

---@param tags ComposerTag | ComposerTag[]
local function when(tags)
	local match = is(tags)
	---@generic T
	---@param value `T`
	---@return T | nil
	return function(value)
		return match and value or nil
	end
end

return function()
	return is, when
end