Gatekeeper! Better

src/middleware/initialize.ts

@@ -1,5 +1,5 @@
-import { Middleware } from 'koa';
-import { GatekeeperUser } from './types/GatekeeperUser';
+import { Context, Middleware } from 'koa';
+import { GatekeeperUser } from '../types/GatekeeperUser';
 
 declare module 'koa' {
     interface ExtendableContext {
@@ -10,9 +10,21 @@ declare module 'koa' {
     }
 }
 
+const isAuthenticated = function (this: Context) {
+    return !!this.user;
+};
+
+const isUnauthenticated = function (this: Context) {
+    return !this.user;
+};
+
+const logout = function (this: Context) {
+    this.user = null;
+};
+
 export const initialize: Middleware = (ctx) => {
     ctx.user = null;
-    ctx.isAuthenticated = () => !!ctx.user;
-    ctx.isUnauthenticated = () => !ctx.user;
-    ctx.logout = () => (ctx.user = null);
+    ctx.isAuthenticated = isAuthenticated.bind(ctx);
+    ctx.isUnauthenticated = isUnauthenticated.bind(ctx);
+    ctx.logout = logout.bind(ctx);
 };