just use stable

Rich-Harris · web-flow · commit 7b180ba450fb · 2018-09-15T18:08:27.000-04:00
diff --git a/appveyor.yml b/appveyor.yml
@@ -10,8 +10,7 @@ init:
 environment:
   matrix:
     # node.js
-    - nodejs_version: 8
-    - nodejs_version: 10
+    - nodejs_version: stable
 
 install:
   - ps: Install-Product node $env:nodejs_version
