From 142fd325dcf64fbd57242775f20dae4952e4cafc Mon Sep 17 00:00:00 2001
From: evilebottnawi <sheo13666q@gmail.com>
Date: Tue, 14 May 2019 19:33:40 +0300
Subject: [PATCH] fix: fallback for cache directory

---
 src/TaskRunner.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/TaskRunner.js b/src/TaskRunner.js
index 8f24332a..4e60a13a 100644
--- a/src/TaskRunner.js
+++ b/src/TaskRunner.js
@@ -14,7 +14,7 @@ export default class TaskRunner {
     const { cache, parallel } = options;
     this.cacheDir =
       cache === true
-        ? findCacheDir({ name: 'uglifyjs-webpack-plugin' })
+        ? findCacheDir({ name: 'uglifyjs-webpack-plugin' }) || os.tmpdir()
         : cache;
     // In some cases cpus() returns undefined
     // https://github.com/nodejs/node/issues/19022