From db4dda5e8005b2e8c877a88a19c68c53a6aada92 Mon Sep 17 00:00:00 2001
From: Rafa Mel <melrcm@gmx.net>
Date: Sat, 11 May 2019 18:24:29 +0200
Subject: [PATCH] fix(utils/env-manager): fixes environment variables setting
 and restoring when undefined

---
 src/utils/env-manager.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/utils/env-manager.ts b/src/utils/env-manager.ts
index 2bac0be..47980ca 100644
--- a/src/utils/env-manager.ts
+++ b/src/utils/env-manager.ts
@@ -17,7 +17,7 @@ export default class EnvManager {
     return this.env[key] || undefined;
   }
   public set(key: string, value?: string): void {
-    this.assign({ [key]: value });
+    this.assign({ [key]: value || '' });
   }
   public default(key: string, value: string): string {
     return this.get(key) || this.set(value) || value;
@@ -34,7 +34,9 @@ export default class EnvManager {
   public restore(): void {
     const toRestore = Object.keys(this.assigned).reduce(
       (acc: IOfType<string | undefined>, key) => {
-        if (this.env[key] === this.assigned[key]) acc[key] = this.initial[key];
+        if (this.env[key] === this.assigned[key]) {
+          acc[key] = this.initial[key] || '';
+        }
         return acc;
       },
       {}