Added nil protection for response.

lua/presence/init.lua

@@ -72,7 +72,7 @@ function Presence:setup(...)
   -- Support setup invocation via both dot and colon syntax.
   -- To maintain backwards compatibility, colon syntax will still
   -- be supported, but dot syntax should be recommended.
-    local args = {...}
+  local args = { ... }
   local options = args[1]
   if #args == 0 then
     options = self
@@ -89,7 +89,7 @@ function Presence:setup(...)
   -- Get operating system information including path separator
   -- http://www.lua.org/manual/5.3/manual.html#pdf-package.config
   local uname = vim.loop.os_uname()
-    local separator = package.config:sub(1,1)
+  local separator = package.config:sub(1, 1)
   local wsl_distro_name = os.getenv("WSL_DISTRO_NAME")
   local os_name = self.get_os_name(uname)
   self.os = {
@@ -102,7 +102,7 @@ function Presence:setup(...)
   local setup_message_fmt = "Setting up plugin for %s"
   if self.os.name then
     local setup_message = self.os.is_wsl
-            and string.format(setup_message_fmt.." in WSL (%s)", self.os.name, vim.inspect(wsl_distro_name))
+        and string.format(setup_message_fmt .. " in WSL (%s)", self.os.name, vim.inspect(wsl_distro_name))
         or string.format(setup_message_fmt, self.os.name)
     self.log:debug(setup_message)
   else
@@ -321,10 +321,10 @@ function Presence:connect(on_done)
     if err == "EISCONN" then
       self.log:info("Already connected to Discord")
     elseif err == "ECONNREFUSED" then
-            self.log:warn("Failed to connect to Discord: "..err.." (is Discord running?)")
+      self.log:warn("Failed to connect to Discord: " .. err .. " (is Discord running?)")
       return
     elseif err then
-            self.log:error("Failed to connect to Discord: "..err)
+      self.log:error("Failed to connect to Discord: " .. err)
       return
     end
 
@@ -350,13 +350,15 @@ function Presence:authorize(on_done)
       self.is_authorized = true
       return on_done()
     elseif err then
-            self.log:error("Failed to authorize with Discord: "..err)
+      self.log:error("Failed to authorize with Discord: " .. err)
       self.is_authorized = false
       return
     end
 
+    if response ~= nil then
       self.log:info(string.format("Authorized with Discord for %s", response.data.user.username))
       self.is_authorized = true
+    end
 
     if on_done then on_done() end
   end)
@@ -369,18 +371,18 @@ function Presence:get_discord_socket_path()
 
   if self.os.is_wsl then
     -- Use socket created by relay for WSL
-        sock_path = "/var/run/"..sock_name
+    sock_path = "/var/run/" .. sock_name
   elseif self.os.name == "windows" then
     -- Use named pipe in NPFS for Windows
-        sock_path = [[\\.\pipe\]]..sock_name
+    sock_path = [[\\.\pipe\]] .. sock_name
   elseif self.os.name == "macos" then
     -- Use $TMPDIR for macOS
     local path = os.getenv("TMPDIR")
 
     if path then
       sock_path = path:match("/$")
-                and path..sock_name
-                or path.."/"..sock_name
+          and path .. sock_name
+          or path .. "/" .. sock_name
     end
   elseif self.os.name == "linux" then
     -- Check various temp directory environment variables
@@ -396,7 +398,7 @@ function Presence:get_discord_socket_path()
       local path = os.getenv(var)
       if path then
         self.log:debug(string.format("Using runtime path: %s", path))
-                sock_path = path:match("/$") and path..sock_name or path.."/"..sock_name
+        sock_path = path:match("/$") and path .. sock_name or path .. "/" .. sock_name
         break
       end
     end
@@ -613,7 +615,7 @@ function Presence.discord_event(on_ready)
       return
     end
 
-        local args = {...}
+    local args = { ... }
     local callback = function()
       on_ready(self, unpack(args))
     end
@@ -725,7 +727,6 @@ function Presence:get_buttons(buffer, parent_dirpath)
 
   -- Default behavior to show a "View Repository" button if the repo URL is valid
   if repo_url then
-
     -- Check if repo url uses short ssh syntax
     local domain, project = repo_url:match("^git@(.+):(.+)$")
     if domain and project then
@@ -1042,11 +1043,11 @@ function Presence:register_and_sync_peer(id, socket)
     end
   end
 
-    self:call_remote_method(socket, "sync_self", {{
+  self:call_remote_method(socket, "sync_self", { {
     last_activity = self.last_activity,
     peers = peers,
     workspaces = self.workspaces,
-    }})
+  } })
 end
 
 -- Register self to any remote Neovim instances
@@ -1124,11 +1125,11 @@ function Presence:sync_self_activity()
       end
     end
 
-        self:call_remote_method(peer.socket, "sync_peer_activity", {{
+    self:call_remote_method(peer.socket, "sync_peer_activity", { {
       last_activity = self.last_activity,
       peers = peers,
       workspaces = self.workspaces,
-        }})
+    } })
   end
 end