Update index.ts

TypeStrong · Oct 22, 2018 · e35b9e2 · e35b9e2
1 parent 8899c93
commit e35b9e2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/index.ts b/src/index.ts
@@ -65,7 +65,7 @@ interface Options {
 class ForkTsCheckerWebpackPlugin {
   static DEFAULT_MEMORY_LIMIT = 2048;
   static ONE_CPU = 1;
-  static ALL_CPUS = os.cpus ? os.cpus().length : 1;
+  static ALL_CPUS = os.cpus && os.cpus() ? os.cpus().length : 1;
   static ONE_CPU_FREE = Math.max(1, ForkTsCheckerWebpackPlugin.ALL_CPUS - 1);
   static TWO_CPUS_FREE = Math.max(1, ForkTsCheckerWebpackPlugin.ALL_CPUS - 2);