From d135cec5aef71c4699fda5e0d376ef358aadd9d1 Mon Sep 17 00:00:00 2001
From: Arthur Lu <learthurgo@gmail.com>
Date: Fri, 24 Mar 2023 22:22:00 +0000
Subject: [PATCH] fix bug in input validation

Signed-off-by: Arthur Lu <learthurgo@gmail.com>
---
 db.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/db.js b/db.js
index 722a698..6db346b 100644
--- a/db.js
+++ b/db.js
@@ -45,7 +45,7 @@ function allocateResources (user, resources) {
 	let newdb = {};
 	Object.assign(newdb, db);
 	Object.keys(resources).forEach((element) => {
-		if(resources[element] instanceof Number && isFinite(resources[element])) {
+		if(typeof(resources[element]) === "number" && isFinite(resources[element])) {
 			newdb[user][element] -= resources[element];
 		}
 		else {
@@ -73,7 +73,7 @@ function releaseResources (user, resources) {
 	let newdb = {};
 	Object.assign(newdb, db);
 	Object.keys(resources).forEach((element) => {
-		if(resources[element] instanceof Number && isFinite(resources[element]) && resources[element]) {
+		if(typeof(resources[element]) === "number" && isFinite(resources[element]) && resources[element]) {
 			newdb[user][element] += resources[element];
 		}
 		else {