From: Jérôme Benoit <jerome.benoit@piment-noir.org>
Date: Wed, 7 Oct 2020 20:08:07 +0000 (+0200)
Subject: Use singleton design pattern for configuration file.
X-Git-Tag: v1.0.1-0~304
X-Git-Url: https://git.piment-noir.org/?a=commitdiff_plain;h=83ee6a8646c702a561ba62f009e819c566243b90;p=e-mobility-charging-stations-simulator.git

Use singleton design pattern for configuration file.

Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>
---

diff --git a/src/utils/Configuration.js b/src/utils/Configuration.js
index 7fdfbe2d..7393626b 100644
--- a/src/utils/Configuration.js
+++ b/src/utils/Configuration.js
@@ -1,9 +1,14 @@
-const config = require('../assets/config.json');
+const fs = require('fs');
 
 class Configuration {
+  static configurationFile;
+
   // Read the config file
   static getConfig() {
-    return config;
+    if (!Configuration.configurationFile) {
+      Configuration.configurationFile = JSON.parse(fs.readFileSync('src/assets/config.json', 'utf8'));
+    }
+    return Configuration.configurationFile;
   }
 
   static getStatisticsDisplayInterval() {