From bee366aeb31669491986c94dd88ae7e17a29073c Mon Sep 17 00:00:00 2001
From: Luk Lu <luk.lu@faronear.org>
Date: Sat, 15 Apr 2023 22:24:22 +0800
Subject: [PATCH] add number_precision

---
 coretool.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/coretool.js b/coretool.js
index 9ee6f06..cfdc93b 100644
--- a/coretool.js
+++ b/coretool.js
@@ -296,4 +296,8 @@ module.exports = {
       return sortType ? ~~(a[key] < b[key]) : ~~(a[key] > b[key])
     }
   },
+
+  number_precision (number, precision = 4) {
+    return Number(Number(number).toFixed(precision))
+  },
 }