refactor: simplify plugin loader

This commit is contained in:
2026-04-11 22:55:51 +02:00
parent eb96536a8f
commit ec81afbab7
5 changed files with 82 additions and 117 deletions
+269
View File
@@ -0,0 +1,269 @@
local log = require("log")
local config_dir = vim.fn.stdpath("config")
---@param path string
---@return boolean success
---@return string? err
local function exec(path)
local chunk, load_err = loadfile(path)
if not chunk then
return false, load_err
end
local ok, call_err = pcall(chunk)
if not ok then
return false, call_err
end
return true
end
---@class ow.Pack.PluginSpec
---@field [1] string
---@field name? string
---@field version? string | vim.VersionRange
---@field build? string[] | fun(self: ow.Pack.Plugin)
---@class ow.Pack.Plugin : ow.Pack.PluginSpec
---@field name string
---@field path string
---@param plugin ow.Pack.Plugin
local function load(plugin)
local name = plugin.name:match("[^.]+"):lower()
local path = string.format("%s/lua/plugins/%s.lua", config_dir, name)
if vim.uv.fs_stat(path) then
local ok, err = exec(path)
if not ok then
log.error("Failed to load %s: %s", name, err)
end
end
end
---@param spec string | ow.Pack.PluginSpec
---@return vim.pack.Spec
local function to_pack_spec(spec)
if type(spec) == "string" then
return { src = spec }
end
return {
src = spec[1],
name = spec.name,
version = spec.version,
data = {
build = spec.build,
},
}
end
---@param plugin ow.Pack.Plugin
local function run_build(plugin)
if type(plugin.build) == "function" then
plugin.build(plugin)
return
elseif type(plugin.build) == "table" then
local ret = vim.system(
plugin.build --[[@as table]],
{ cwd = plugin.path }
):wait()
if ret.code ~= 0 then
log.error("Build failed for %s: %s", plugin.name, ret.stderr or "")
end
return
end
log.error("invalid build parameter for %s", plugin.name)
end
---@class ow.Pack.Event.Data
---@field active boolean
---@field kind "install" | "update" | "delete"
---@field spec vim.pack.Spec
---@field path string
---@class ow.Pack.Event : vim.api.keyset.create_autocmd.callback_args
---@field data ow.Pack.Event.Data
---@param plugin ow.Pack.Plugin
---@param events ow.Pack.Event[]
local function process_events(plugin, events)
if not plugin.build then
return
end
for _, ev in ipairs(events) do
if ev.data.spec.name == plugin.name
and ev.event == "PackChanged"
and (ev.data.kind == "install" or ev.data.kind == "update")
then
run_build(plugin)
end
end
end
---@type uv.uv_fs_event_t?
local watcher = nil
---@type table<string, uv.uv_timer_t>
local timers = {}
---@class ow.Pack
---@field names string[]
---@field paths string[]
---@field plugins ow.Pack.Plugin[]
local M = {
names = {},
paths = {},
plugins = {},
}
---@param name string
function M.reload(name)
local path = string.format("%s/lua/plugins/%s.lua", config_dir, name)
if not vim.uv.fs_stat(path) then
log.error("No config file found for %s", name)
return
end
local ok, err = exec(path)
if ok then
log.info("Reloaded %s", name)
else
log.error("Failed to reload %s: %s", name, err)
end
end
function M.watch()
if watcher then
return
end
local plugins_dir = config_dir .. "/lua/plugins"
watcher = vim.uv.new_fs_event()
if not watcher then
log.error("Failed to create fs_event watcher")
return
end
watcher:start(
plugins_dir,
{},
vim.schedule_wrap(function(err, filename)
if err then
log.error("Watch error: %s", err)
return
end
if not filename or not filename:match("%.lua$") then
return
end
if timers[filename] then
timers[filename]:stop()
else
timers[filename] = vim.uv.new_timer()
end
timers[filename]:start(
100,
0,
vim.schedule_wrap(function()
timers[filename]:stop()
timers[filename]:close()
timers[filename] = nil
local path = plugins_dir .. "/" .. filename
if not vim.uv.fs_stat(path) then
return
end
local ok, load_err = exec(path)
if ok then
log.info("Reloaded %s", filename)
else
log.error(
"Failed to reload %s: %s",
filename,
load_err
)
end
end)
)
end)
)
end
function M.unwatch()
if not watcher then
return
end
for key, timer in pairs(timers) do
timer:stop()
timer:close()
timers[key] = nil
end
watcher:stop()
watcher:close()
watcher = nil
end
---@param specs (string | ow.Pack.PluginSpec)[]
function M.setup(specs)
---@type table<string, ow.Pack.Event[]?>
local events = {}
local group = vim.api.nvim_create_augroup("ow.Pack", { clear = true })
local id = vim.api.nvim_create_autocmd(
{ "PackChangedPre", "PackChanged" },
{
group = group,
---@param ev ow.Pack.Event
callback = function(ev)
local name = ev.data.spec.name
if not name then return end
if not events[name] then
events[name] = {}
end
table.insert(events[name], ev)
end
}
)
vim.pack.add(vim.tbl_map(to_pack_spec, specs), {
load = function(data)
if not data.spec.name then
log.error("Missing name for plugin: %s", data.spec.src)
return
end
local d = data.spec.data or {}
---@type ow.Pack.Plugin
local plugin = {
[1] = data.spec.src,
name = data.spec.name,
version = data.spec.version,
build = d.build,
path = data.path,
}
table.insert(M.plugins, plugin)
table.insert(M.names, plugin.name)
table.insert(M.paths, plugin.path)
vim.cmd.packadd(plugin.name)
end
})
vim.api.nvim_del_autocmd(id)
for _, plugin in ipairs(M.plugins) do
local ev = events[plugin.name]
if ev then
process_events(plugin, ev)
end
load(plugin)
end
end
return M