👽 Valid node version

fix #69

README.md

@@ -7,7 +7,7 @@
 
 ## Requirements
 
-You need [Node.js 8+](https://nodejs.org) and [Alfred 3.5+](https://www.alfredapp.com) with the paid [Powerpack](https://www.alfredapp.com/powerpack/) upgrade.
+You need [Node.js 8.12+/9.7+](https://nodejs.org) and [Alfred 3.5+](https://www.alfredapp.com) with the paid [Powerpack](https://www.alfredapp.com/powerpack/) upgrade.
 
 This workflow need one of JetBrains products (**2019.1+**), and its [shell script](#init-shell-script) to works
 

package.json

@@ -40,6 +40,9 @@
     "husky": "3.0.9",
     "pretty-quick": "2.0.0"
   },
+  "engines": {
+    "node": "^8.12.0 || >=9.7.0"
+  },
   "husky": {
     "hooks": {
       "pre-commit": "pretty-quick --staged"

src/index.js

@@ -1,9 +1,7 @@
 const alfy = require("alfy");
 
 // check node version
-const majorVersion = Number(process.version.replace("v", "").split(".")[0]);
-if (majorVersion < 8) {
-  alfy.error(`Wrong Node version. We need v8+, you have ${process.version}`);
+if (!require("./version_checker").check()) {
   return;
 }
 

src/version_checker.js

@@ -0,0 +1,21 @@
+const alfy = require("alfy");
+
+// check node version
+const version = process.version.replace("v", "").split(".");
+const majorVersion = Number(version[0]);
+const minorVersion = Number(version[1]);
+
+exports.check = () => {
+  if (
+    majorVersion < 8 || // at least v8
+    (majorVersion === 8 && minorVersion < 12) || // at least 8.12
+    (majorVersion === 9 && minorVersion < 7) // at least 9.7
+  ) {
+    alfy.error(
+      `Wrong Node version. We need v8.12+, 9.7+ or newer, you have ${process.version}`
+    );
+    return false;
+  }
+
+  return true;
+};