fix: Fixes #877 DECR and DECRBY defaults value if key doesn't exist (#…

…969) * fix: default set key-value to 0 if does not exist https://redis.io/commands/decr fixes #877 * fix: default set key-value to 0 if does not exist https://redis.io/commands/decrby fixes #877
stipsan · Sep 30, 2020 · 9f740f3 · 9f740f3
1 parent e27ad44
commit 9f740f3
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diff --git a/src/commands/decr.js b/src/commands/decr.js
@@ -1,4 +1,7 @@
 export function decr(key) {
+  if (!this.data.has(key)) {
+    this.data.set(key, '0');
+  }
   const curVal = Number(this.data.get(key));
   const nextVal = curVal - 1;
   this.data.set(key, nextVal.toString());

diff --git a/src/commands/decrby.js b/src/commands/decrby.js
@@ -1,4 +1,7 @@
 export function decrby(key, decrement = 0) {
+  if (!this.data.has(key)) {
+    this.data.set(key, '0');
+  }
   const curVal = Number(this.data.get(key));
   const nextVal = curVal - parseInt(decrement, 10);
   this.data.set(key, nextVal.toString());