refactor: minimize amount of vimscript (#96)

* refactor: remove autoload

* since nvim 0.9 health.lua files are threaded as checkhealth provider

*  prof of concept 

* fix(runner.gocmd)!: i forgot to update it when i was working on #85

* fix(plugin): now commands register properly

* fix(plugin): fix command name for :GoIfErr

* fix(plugin): respect `setup_commands` option

* docs: update

* refactor(plugin): use vim.schedule

* docs: update CONTRIBUTING

lua/gopher/_utils/runner/gocmd.lua

@@ -25,9 +25,9 @@ end
 
 ---@param subcmd string
 ---@param args string[]
----@return string[]|nil
+---@return string
 function gocmd.run(subcmd, args)
-  if #args == 0 then
+  if #args == 0 and subcmd ~= "generate" then
     error "please provide any arguments"
   end
 
@@ -39,15 +39,13 @@ function gocmd.run(subcmd, args)
     args = if_generate(args)
   end
 
-  return r.sync(c.go, {
-    args = { subcmd, unpack(args) },
-    on_exit = function(data, status)
-      if status ~= 0 then
-        error("gocmd failed: " .. data)
-      end
-      u.notify(c.go .. " " .. subcmd .. " ran successful")
-    end,
-  })
+  local rs = r.sync { c.go, subcmd, unpack(args) }
+  if rs.code ~= 0 then
+    error("go " .. subcmd .. " failed: " .. rs.stderr)
+  end
+
+  u.notify(c.go .. " " .. subcmd .. " ran successful")
+  return rs.stdout
 end
 
 return gocmd

lua/gopher/config.lua

@@ -37,6 +37,10 @@ local default_config = {
   ---@type number
   timeout = 2000,
 
+  --- whether to setup plugin commands or not
+  ---@type boolean
+  setup_commands = true,
+
   -- user specified paths to binaries
   ---@class gopher.ConfigCommand
   commands = {
@@ -90,10 +94,18 @@ function config.setup(user_config)
   _config = vim.tbl_deep_extend("force", default_config, user_config or {})
 end
 
+---@return boolean
+---@private
+function config.should_setup_commands()
+  return config.setup_commands
+end
+
 setmetatable(config, {
   __index = function(_, key)
     return _config[key]
   end,
 })
 
+---@return gopher.Config
+---@private
 return config

lua/gopher/init.lua

@@ -55,19 +55,19 @@ gopher.test = {
 }
 
 gopher.get = function(...)
-  gocmd("get", { ... })
+  gocmd("get", ...)
 end
 
 gopher.mod = function(...)
-  gocmd("mod", { ... })
+  gocmd("mod", ...)
 end
 
 gopher.generate = function(...)
-  gocmd("generate", { ... })
+  gocmd("generate", ...)
 end
 
 gopher.work = function(...)
-  gocmd("work", { ... })
+  gocmd("work", ...)
 end
 
 return gopher