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loader.lua
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loader.lua
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local Cache = require("lazy.core.cache")
local Config = require("lazy.core.config")
local Handler = require("lazy.core.handler")
local Plugin = require("lazy.core.plugin")
local Util = require("lazy.core.util")
---@class LazyCoreLoader
local M = {}
local DEFAULT_PRIORITY = 50
---@type LazyPlugin[]
M.loading = {}
M.init_done = false
---@type table<string,true>
M.disabled_rtp_plugins = { packer_compiled = true }
---@type table<string,string>
M.did_ftdetect = {}
M.did_handlers = false
function M.disable_rtp_plugin(plugin)
M.disabled_rtp_plugins[plugin] = true
end
function M.setup()
for _, file in ipairs(Config.options.performance.rtp.disabled_plugins) do
M.disable_rtp_plugin(file)
end
vim.api.nvim_create_autocmd("ColorSchemePre", {
callback = function(event)
M.colorscheme(event.match)
end,
})
-- load the plugins
Plugin.load()
Handler.init()
-- install missing plugins
if Config.options.install.missing then
Util.track("install")
local count = 0
while M.install_missing() do
count = count + 1
if count > 5 then
break
end
end
Util.track()
end
Config.mapleader = vim.g.mapleader
Config.maplocalleader = vim.g.maplocalleader
-- report any warnings & errors
Config.spec:report()
-- setup handlers
Util.track("handlers")
Handler.setup()
M.did_handlers = true
Util.track()
end
-- this will incrementally install missing plugins
-- multiple rounds can happen when importing a spec from a missing plugin
function M.install_missing()
for _, plugin in pairs(Config.plugins) do
if not (plugin._.installed or Plugin.has_errors(plugin)) then
for _, colorscheme in ipairs(Config.options.install.colorscheme) do
if colorscheme == "default" then
break
end
M.colorscheme(colorscheme)
if vim.g.colors_name or pcall(vim.cmd.colorscheme, colorscheme) then
break
end
end
Cache.reset()
require("lazy.manage").install({ wait = true, lockfile = true, clear = false })
-- remove any installed plugins from indexed, so cache will index again
for _, p in pairs(Config.plugins) do
if p._.installed then
Cache.reset(p.dir)
end
end
-- reload plugins
Plugin.load()
return true
end
end
end
-- Startup sequence
-- 1. load any start plugins and do init
function M.startup()
Util.track({ start = "startup" })
-- load filetype.lua first since plugins might depend on that
M.source(vim.env.VIMRUNTIME .. "/filetype.lua")
-- backup original rtp
local rtp = vim.opt.rtp:get()
-- 1. run plugin init
Util.track({ start = "init" })
for _, plugin in pairs(Config.plugins) do
if plugin.init then
Util.track({ plugin = plugin.name, init = "init" })
Util.try(function()
plugin.init(plugin)
end, "Failed to run `init` for **" .. plugin.name .. "**")
Util.track()
end
end
Util.track()
-- 2. load start plugin
Util.track({ start = "start" })
for _, plugin in ipairs(M.get_start_plugins()) do
-- plugin may be loaded by another plugin in the meantime
if not plugin._.loaded then
M.load(plugin, { start = "start" })
end
end
Util.track()
-- 3. load plugins from the original rtp, excluding after
Util.track({ start = "rtp plugins" })
for _, path in ipairs(rtp) do
if not path:find("after/?$") then
-- these paths don't will already have their ftdetect ran,
-- by sourcing filetype.lua above, so skip them
M.did_ftdetect[path] = true
M.packadd(path)
end
end
Util.track()
-- 4. load after plugins
Util.track({ start = "after" })
for _, path in ipairs(vim.opt.rtp:get()) do
if path:find("after/?$") then
M.source_runtime(path, "plugin")
end
end
Util.track()
M.init_done = true
Util.track()
end
function M.get_start_plugins()
---@type LazyPlugin[]
local start = {}
for _, plugin in pairs(Config.plugins) do
if plugin.lazy == false and not plugin._.loaded then
start[#start + 1] = plugin
end
end
table.sort(start, function(a, b)
local ap = a.priority or DEFAULT_PRIORITY
local bp = b.priority or DEFAULT_PRIORITY
return ap > bp
end)
return start
end
---@class Loader
---@param plugins string|LazyPlugin|string[]|LazyPlugin[]
---@param reason {[string]:string}
---@param opts? {force:boolean} when force is true, we skip the cond check
function M.load(plugins, reason, opts)
---@diagnostic disable-next-line: cast-local-type
plugins = (type(plugins) == "string" or plugins.name) and { plugins } or plugins
---@cast plugins (string|LazyPlugin)[]
for _, plugin in pairs(plugins) do
if type(plugin) == "string" then
if Config.plugins[plugin] then
plugin = Config.plugins[plugin]
elseif Config.spec.disabled[plugin] then
plugin = nil
else
Util.error("Plugin " .. plugin .. " not found")
plugin = nil
end
end
if plugin and not plugin._.loaded then
M._load(plugin, reason, opts)
end
end
end
---@param plugin LazyPlugin
function M.deactivate(plugin)
if not plugin._.loaded then
return
end
local main = M.get_main(plugin)
if main then
Util.try(function()
local mod = require(main)
if mod.deactivate then
mod.deactivate(plugin)
end
end, "Failed to deactivate plugin " .. plugin.name)
end
-- execute deactivate when needed
if plugin.deactivate then
Util.try(function()
plugin.deactivate(plugin)
end, "Failed to deactivate plugin " .. plugin.name)
end
-- disable handlers
Handler.disable(plugin)
-- clear plugin properties cache
plugin._.cache = nil
-- remove loaded lua modules
Util.walkmods(plugin.dir .. "/lua", function(modname)
package.loaded[modname] = nil
package.preload[modname] = nil
end)
-- clear vim.g.loaded_ for plugins
Util.ls(plugin.dir .. "/plugin", function(_, name, type)
if type == "file" then
vim.g["loaded_" .. name:gsub("%..*", "")] = nil
end
end)
-- set as not loaded
plugin._.loaded = nil
end
--- reload a plugin
---@param plugin LazyPlugin|string
function M.reload(plugin)
if type(plugin) == "string" then
plugin = Config.plugins[plugin]
end
if not plugin then
error("Plugin not found")
end
local load = plugin._.loaded ~= nil
M.deactivate(plugin)
-- enable handlers
Handler.enable(plugin)
-- run init
if plugin.init then
Util.try(function()
plugin.init(plugin)
end, "Failed to run `init` for **" .. plugin.name .. "**")
end
-- if this is a start plugin, load it now
if plugin.lazy == false then
load = true
end
local events = plugin._.handlers and plugin._.handlers.event and plugin._.handlers.event or {}
for _, event in pairs(events) do
if event.id:find("VimEnter") or event.id:find("UIEnter") or event.id:find("VeryLazy") then
load = true
break
end
end
-- reload any vimscript files for this plugin
local scripts = vim.fn.getscriptinfo()
local loaded_scripts = {}
for _, s in ipairs(scripts) do
---@type string
local path = s.name
if
path:sub(-4) == ".vim"
and path:find(plugin.dir, 1, true) == 1
and not path:find("/plugin/", 1, true)
and not path:find("/ftplugin/", 1, true)
then
loaded_scripts[#loaded_scripts + 1] = path
end
end
if load then
M.load(plugin, { start = "reload" })
for _, s in ipairs(loaded_scripts) do
M.source(s)
end
end
end
---@param plugin LazyPlugin
---@param reason {[string]:string}
---@param opts? {force:boolean} when force is true, we skip the cond check
function M._load(plugin, reason, opts)
if not plugin._.installed then
return Util.error("Plugin " .. plugin.name .. " is not installed")
end
if plugin._.cond == false and not (opts and opts.force) then
return
end
if not Handler.did_setup then
Util.try(function()
Handler.enable(plugin)
end, "Failed to setup handlers for " .. plugin.name)
end
---@diagnostic disable-next-line: assign-type-mismatch
plugin._.loaded = {}
for k, v in pairs(reason) do
plugin._.loaded[k] = v
end
if #M.loading > 0 then
plugin._.loaded.plugin = M.loading[#M.loading].name
elseif reason.require then
plugin._.loaded.source = Util.get_source()
end
table.insert(M.loading, plugin)
Util.track({ plugin = plugin.name, start = reason.start })
Handler.disable(plugin)
M.add_to_rtp(plugin)
if plugin.dependencies then
Util.try(function()
M.load(plugin.dependencies, {})
end, "Failed to load deps for " .. plugin.name)
end
M.packadd(plugin.dir)
if plugin.config or plugin.opts then
M.config(plugin)
end
plugin._.loaded.time = Util.track().time
table.remove(M.loading)
vim.schedule(function()
vim.api.nvim_exec_autocmds("User", { pattern = "LazyLoad", modeline = false, data = plugin.name })
vim.api.nvim_exec_autocmds("User", { pattern = "LazyRender", modeline = false })
end)
end
--- runs plugin config
---@param plugin LazyPlugin
function M.config(plugin)
local fn
if type(plugin.config) == "function" then
fn = function()
local opts = Plugin.values(plugin, "opts", false)
plugin.config(plugin, opts)
end
else
local main = M.get_main(plugin)
if main then
fn = function()
local opts = Plugin.values(plugin, "opts", false)
require(main).setup(opts)
end
else
return Util.error(
"Lua module not found for config of " .. plugin.name .. ". Please use a `config()` function instead"
)
end
end
Util.try(fn, "Failed to run `config` for " .. plugin.name)
end
---@param plugin LazyPlugin
function M.get_main(plugin)
if plugin.main then
return plugin.main
end
if plugin.name ~= "mini.nvim" and plugin.name:match("^mini%..*$") then
return plugin.name
end
local normname = Util.normname(plugin.name)
---@type string[]
local mods = {}
for _, mod in ipairs(Cache.find("*", { all = true, rtp = false, paths = { plugin.dir } })) do
local modname = mod.modname
mods[#mods + 1] = modname
local modnorm = Util.normname(modname)
-- if we found an exact match, then use that
if modnorm == normname then
mods = { modname }
break
end
end
return #mods == 1 and mods[1] or nil
end
---@param path string
function M.packadd(path)
M.source_runtime(path, "plugin")
M.ftdetect(path)
if M.init_done then
M.source_runtime(path, "after/plugin")
end
end
---@param path string
function M.ftdetect(path)
if not M.did_ftdetect[path] then
M.did_ftdetect[path] = path
vim.cmd("augroup filetypedetect")
M.source_runtime(path, "ftdetect")
vim.cmd("augroup END")
end
end
---@param ... string
function M.source_runtime(...)
local dir = table.concat({ ... }, "/")
---@type string[]
local files = {}
Util.walk(dir, function(path, name, t)
local ext = name:sub(-3)
name = name:sub(1, -5)
if (t == "file" or t == "link") and (ext == "lua" or ext == "vim") and not M.disabled_rtp_plugins[name] then
files[#files + 1] = path
end
end)
-- plugin files are sourced alphabetically per directory
table.sort(files)
for _, path in ipairs(files) do
M.source(path)
end
end
-- This does the same as runtime.c:add_pack_dir_to_rtp
-- * find first after
-- * find lazy pack path
-- * insert right after lazy pack path or right before first after or at the end
-- * insert after dir right before first after or append to the end
---@param plugin LazyPlugin
function M.add_to_rtp(plugin)
local rtp = vim.api.nvim_get_runtime_file("", true)
local idx_dir, idx_after
local is_win = jit.os:find("Windows")
for i, path in ipairs(rtp) do
if is_win then
path = Util.norm(path)
end
if path == Config.me then
idx_dir = i + 1
elseif not idx_after and path:sub(-6, -1) == "/after" then
idx_after = i + 1 -- +1 to offset the insert of the plugin dir
idx_dir = idx_dir or i
break
end
end
table.insert(rtp, idx_dir or (#rtp + 1), plugin.dir)
local after = plugin.dir .. "/after"
if vim.loop.fs_stat(after) then
table.insert(rtp, idx_after or (#rtp + 1), after)
end
vim.opt.rtp = rtp
end
function M.source(path)
Util.track({ runtime = path })
Util.try(function()
vim.cmd("source " .. path)
end, "Failed to source `" .. path .. "`")
Util.track()
end
function M.colorscheme(name)
if vim.tbl_contains(vim.fn.getcompletion("", "color"), name) then
return
end
for _, plugin in pairs(Config.plugins) do
if not plugin._.loaded then
for _, ext in ipairs({ "lua", "vim" }) do
local path = plugin.dir .. "/colors/" .. name .. "." .. ext
if vim.loop.fs_stat(path) then
return M.load(plugin, { colorscheme = name })
end
end
end
end
end
function M.auto_load(modname, modpath)
local plugin = Plugin.find(modpath)
if plugin and modpath:find(plugin.dir, 1, true) == 1 then
plugin._.rtp_loaded = true
-- don't load if:
-- * handlers haven't been setup yet
-- * we're loading specs
-- * the plugin is already loaded
if M.did_handlers and not (Plugin.loading or plugin._.loaded) then
if plugin.module == false then
error("Plugin " .. plugin.name .. " is not loaded and is configured with module=false")
end
M.load(plugin, { require = modname })
if plugin._.cond == false then
error("You're trying to load `" .. plugin.name .. "` for which `cond==false`")
end
end
end
end
---@param modname string
function M.loader(modname)
local paths = Util.get_unloaded_rtp(modname)
local ret = Cache.find(modname, { rtp = false, paths = paths })[1]
if ret then
M.auto_load(modname, ret.modpath)
local mod = package.loaded[modname]
if type(mod) == "table" then
return function()
return mod
end
end
-- selene: allow(incorrect_standard_library_use)
return loadfile(ret.modpath, nil, nil, ret.stat)
end
end
return M