Restrict node version

Yukaii · Yukaii · commit 2c25246662d0 · 2019-08-17T12:29:54.000+08:00
EyalAr/lwip#297 (comment)
diff --git a/package.json b/package.json
@@ -21,6 +21,10 @@
   "bugs": {
     "url": "https://github.com/hassankhan/emojify.js/issues"
   },
+  "engineStrict": true,
+  "engines": {
+    "node": "7.5.0"
+  },
   "devDependencies": {
     "del": "~0.1.3",
     "emoji-datasource-apple": "^4.1.0",
