fix: use which npm package for windows compatibility

Author: UziTech

lib/node-path-tester.js

@@ -1,6 +1,7 @@
 'use babel';
 import { existsSync } from 'fs';
 import { exec, execSync } from 'child_process';
+import which from 'which';
 
 const NodePathTester = {
   _timeout: null,
@@ -35,11 +36,11 @@ const NodePathTester = {
   resolve (bin) {
     if (bin.startsWith('/') && existsSync(bin) ) { return Promise.resolve(bin); }
     return new Promise((resolve, reject) => {
-      exec(`which ${bin}`, (err, stdout) => {
+      which(bin, (err, resolvedPath) => {
         if (err) {
           reject(err);
         } else {
-          resolve(stdout);
+          resolve(resolvedPath);
         }
       });
     });

package-lock.json

@@ -159,6 +159,7 @@
     "atom-package-deps": "^8.0.0",
     "compare-versions": "^4.1.3",
     "eslint": "^8.9.0",
-    "ndjson": "^2.0.0"
+    "ndjson": "^2.0.0",
+    "which": "^2.0.2"
   }
 }