feat: initial commit

Author: folke

lua/lazy/cache.lua

@@ -0,0 +1,87 @@
+local cache_file = vim.fn.stdpath("cache") .. "/lazy/cache.mpack"
+vim.fn.mkdir(vim.fn.fnamemodify(cache_file, ":p:h"), "p")
+
+local M = {}
+---@alias CacheEntry {hash:string, chunk:string, used:boolean}
+
+---@type table<string, CacheEntry>
+M.cache = {}
+M.dirty = false
+M.did_setup = false
+
+function M.hash(modpath)
+	local stat = vim.loop.fs_stat(modpath)
+	if stat then
+		return stat.mtime.sec .. stat.mtime.nsec .. stat.size
+	end
+	error("Could not hash " .. modpath)
+end
+
+function M.load_cache()
+	local f = io.open(cache_file, "rb")
+	if f then
+		M.cache = vim.mpack.decode(f:read("*a")) or {}
+		f:close()
+	end
+end
+
+function M.save_cache()
+	if M.dirty then
+		for key, entry in pairs(M.cache) do
+			if not entry.used then
+				M.cache[key] = nil
+			end
+			entry.used = nil
+		end
+		local f = assert(io.open(cache_file, "wb"))
+		f:write(vim.mpack.encode(M.cache))
+		f:close()
+	end
+end
+
+function M.setup()
+	M.load_cache()
+	vim.api.nvim_create_autocmd("VimLeave", {
+		callback = function()
+			M.save_cache()
+		end,
+	})
+end
+
+function M.load(modpath, modname)
+	if not M.did_setup then
+		M.setup()
+		M.did_setup = true
+	end
+	if type(package.loaded[modname]) ~= "table" then
+		---@type fun()?, string?
+		local chunk, err
+		local entry = M.cache[modname]
+
+		if entry and M.hash(modpath) == entry.hash then
+			entry.used = true
+			chunk, err = loadstring(entry.chunk, "@" .. modpath)
+		end
+
+		-- not cached, or failed to load chunk
+		if not chunk then
+			vim.schedule(function()
+				vim.notify("not cached")
+			end)
+			chunk, err = loadfile(modpath)
+			if chunk then
+				M.cache[modname] = { hash = M.hash(modpath), chunk = string.dump(chunk, true), used = true }
+				M.dirty = true
+			end
+		end
+
+		if not chunk then
+			error(err)
+		end
+		---@diagnostic disable-next-line: no-unknown
+		package.loaded[modname] = chunk()
+	end
+	return package.loaded[modname]
+end
+
+return M

lua/lazy/config.lua

@@ -0,0 +1,68 @@
+local Util = require("lazy.util")
+
+local M = {}
+
+---@class LazyConfig
+M.defaults = {
+	opt = true,
+	plugins = {},
+	plugins_local = {
+		path = vim.fn.expand("~/projects"),
+		patterns = {
+			"folke",
+		},
+	},
+	plugins_config = {
+		module = "plugins",
+		path = vim.fn.stdpath("config") .. "/lua/plugins",
+	},
+	package_path = vim.fn.stdpath("data") .. "/site/pack/lazy",
+}
+
+M.ns = vim.api.nvim_create_namespace("lazy")
+
+---@type table<string, LazyPlugin>
+M.plugins = {}
+
+---@type LazyConfig
+M.options = {}
+
+---@type table<string, string>
+M.has_config = {}
+
+---@param opts? LazyConfig
+function M.setup(opts)
+	M.options = vim.tbl_deep_extend("force", M.defaults, opts or {})
+
+	vim.fn.mkdir(M.options.package_path, "p")
+
+	for _, entry in ipairs(Util.scandir(M.options.plugins_config.path)) do
+		local name, modpath
+
+		if entry.type == "file" then
+			modpath = entry.path
+			name = entry.name:match("(.*)%.lua")
+		elseif entry.type == "directory" then
+			modpath = M.options.plugins_config.path .. "/" .. entry.name .. "/init.lua"
+			if vim.loop.fs_stat(modpath) then
+				name = entry.name
+			end
+		end
+
+		if name then
+			M.has_config[M.options.plugins_config.module .. "." .. name] = modpath
+		end
+	end
+
+	vim.api.nvim_create_autocmd("User", {
+		pattern = "VeryLazy",
+		once = true,
+		callback = function()
+			-- require("lazy.view").setup()
+		end,
+	})
+
+	Util.very_lazy()
+end
+
+return M

lua/lazy/init.lua

@@ -0,0 +1,70 @@
+local M = {}
+
+---@param opts? LazyConfig
+function M.setup(opts)
+	--FIXME:  preload()
+
+	local Util = require("lazy.util")
+	local Config = require("lazy.config")
+	local Plugin = require("lazy.plugin")
+
+	Util.track("lazy_setup")
+
+	Util.track("lazy_config")
+	Config.setup(opts)
+	Util.track()
+
+	Util.track("plugin_normalize")
+	Plugin.normalize(Config.options.plugins)
+	if not Config.plugins.lazy then
+		Plugin.plugin({
+			"folke/lazy.nvim",
+			opt = false,
+		})
+	end
+	Util.track()
+
+	Util.track("plugin_process")
+	Plugin.process()
+	Util.track()
+
+	Util.track("lazy_install")
+	for _, plugin in pairs(Config.plugins) do
+		if not plugin.installed then
+			-- require("lazy.manager").install({
+			-- 	wait = true,
+			-- })
+			break
+		end
+	end
+	Util.track()
+
+	Util.track("loader_setup")
+	local Loader = require("lazy.loader")
+	Loader.setup()
+	Util.track()
+
+	Loader.init_plugins()
+
+	Util.track() -- end setup
+	vim.cmd("do User LazyDone")
+end
+
+function M.stats()
+	local ret = {
+		count = 0,
+		loaded = 0,
+	}
+
+	for _, plugin in pairs(require("lazy.config").plugins) do
+		ret.count = ret.count + 1
+
+		if plugin.loaded then
+			ret.loaded = ret.loaded + 1
+		end
+	end
+
+	return ret
+end
+
+return M