Fix server.method

hapi/hapi-tests.ts

@@ -25,6 +25,36 @@ server.pack.register([plugin], (err: Object) => {
 	if (err) { throw err; }
 });
 
+// Add server method
+var add = function (a: number, b: number, next: (err: any, result?: any, ttl?: number) => void) {
+	next(null, a + b);
+};
+
+server.method('sum', add, { cache: { expiresIn: 2000 } });
+
+server.methods.sum(4, 5, (err: any, result: any) => {
+	console.log(result);
+});
+
+var addArray = function (array: Array<number>, next: (err: any, result?: any, ttl?: number) => void) {
+	var sum: number = 0;
+	array.forEach((item: number) => {
+		sum += item;
+	});
+	next(null, sum);
+};
+
+server.method('sumObj', addArray, {
+	cache: { expiresIn: 2000 },
+	generateKey: (array: Array<number>) => {
+		return array.join(',');
+	}
+});
+
+server.methods.sumObj([5, 6], (err: any, result: any) => {
+	console.log(result);
+});
+
 // Add the route
 server.route({
 	method: 'GET',