feat(auth): support signout (zbirenbaum#54)

Author: MunifTanjim

lua/copilot/api.lua

@@ -35,13 +35,19 @@ function mod.set_editor_info(client, params)
   return mod.notify(client, "setEditorInfo", params)
 end
 
+---@alias copilot_check_status_params { options?: { localChecksOnly?: boolean } }
 ---@alias copilot_check_status_data { user?: string }
 
+---@param params? copilot_check_status_params
 ---@return any|nil err
 ---@return copilot_check_status_data data
 ---@return table ctx
-function mod.check_status(client, callback)
-  return mod.request(client, "checkStatus", {}, callback)
+function mod.check_status(client, params, callback)
+  if type(params) == "function" then
+    callback = params
+    params = {}
+  end
+  return mod.request(client, "checkStatus", params or {}, callback)
 end
 
 ---@alias copilot_sign_in_initiate_data { verificationUri?: string, userCode?: string }
@@ -64,6 +70,10 @@ function mod.sign_in_confirm(client, params, callback)
   return mod.request(client, "signInConfirm", params, callback)
 end
 
+function mod.sign_out(client, callback)
+  return mod.request(client, "signOut", {}, callback)
+end
+
 ---@alias copilot_get_version_data { version: string }
 
 ---@return any|nil err

lua/copilot/auth.lua

@@ -1,12 +1,13 @@
 local api = require("copilot.api")
+local u = require("copilot.util")
 
 local M = {}
 
-function M.setup(client)
-  local function echo(message)
-    vim.cmd('echom "[Copilot] ' .. tostring(message):gsub('"', '\\"') .. '"')
-  end
+local function echo(message)
+  vim.cmd('echom "[Copilot] ' .. tostring(message):gsub('"', '\\"') .. '"')
+end
 
+function M.setup(client)
   local function copy_to_clipboard(str)
     vim.cmd(string.format(
       [[
@@ -100,6 +101,33 @@ function M.setup(client)
   initiate_setup()
 end
 
+function M.signout()
+  local client = u.get_copilot_client()
+  if not client then
+    return
+  end
+
+  api.check_status(
+    client,
+    { options = { localChecksOnly = true } },
+    ---@param status copilot_check_status_data
+    function(err, status)
+      if err then
+        echo(err)
+        return
+      end
+
+      if status.user then
+        echo("Signed out as GitHub user " .. status.user)
+      else
+        echo("Not signed in")
+      end
+
+      api.sign_out(client, function() end)
+    end
+  )
+end
+
 local function find_config_path()
   local config = vim.fn.expand("$XDG_CONFIG_HOME")
   if config and vim.fn.isdirectory(config) > 0 then