chore: drop support for node < 6

BREAKING CHANGE: Requires Node.js 6

Author: christophehurpeau

.travis.yml

@@ -1,9 +1,9 @@
 language: node_js
 node_js:
-  - 4
-  - 5
   - 6
-  - 7
+  - 8
+  - 10
+  - 12
 
 cache:
   yarn: true

package.json

@@ -3,6 +3,9 @@
   "version": "1.7.0",
   "description": "Recognizes certain classes of webpack errors and cleans, aggregates and prioritizes them to provide a better Developer Experience",
   "main": "index.js",
+  "engines": {
+    "node": ">=6.0.0"
+  },
   "scripts": {
     "test": "eslint --ignore-pattern test/* && jest"
   },