feature(package) drop support of node < 8

Author: coderaiser

.eslintrc

@@ -3,11 +3,16 @@
         "node": true
     },
     "parserOptions": {
-        "ecmaVersion": 6,
-        "sourceType": "module"
+        "ecmaVersion": 2018,
     },
     "rules": {
         "indent": ["error", 4]
     },
-  "extends": ["eslint:recommended"]
+    "extends": [
+        "eslint:recommended",
+        "plugin:node/recommended"
+    ],
+    "plugins": [
+        "node"
+    ]
 }

lib/spawnify.js

@@ -1,18 +1,16 @@
 'use strict';
 
 const path = require('path');
-const EventEmitter = require('events').EventEmitter;
+const {EventEmitter} = require('events');
 const util = require('util');
 const assert = require('assert');
-const child_process = require('child_process');
+const {exec, spawn} = require('child_process');
 
-const exec = child_process.exec;
 const tryCatch = require('try-catch');
 const tildify = require('tildify');
 const untildify = require('untildify');
 
 const WIN = process.platform === 'win32';
-const spawn = child_process.spawn;
 
 const find = require('glob');
 const win = require('win32');
@@ -33,9 +31,10 @@ module.exports = (command, options) => {
     const isCWD = options.cwd;
     const cwd = isCWD ? untildify(options.cwd) : process.cwd();
 
-    return new Spawnify(command, Object.assign({}, options, {
-        cwd
-    }));
+    return new Spawnify(command, {
+        ...options,
+        cwd,
+    });
 };
 
 function Spawnify(command, options) {

package.json

@@ -17,7 +17,7 @@
     "spawnify": "bin/spawnify.js"
   },
   "engines": {
-    "node": ">=4.0.0"
+    "node": ">=8.3.0"
   },
   "dependencies": {
     "glob": "^7.1.0",
@@ -27,6 +27,7 @@
     "win32": "^2.0.0"
   },
   "devDependencies": {
-    "eslint": "^4.0.0"
+    "eslint": "^4.0.0",
+    "eslint-plugin-node": "^8.0.0"
   }
 }