Optimize execution of bypass

Author: piranna

bypass.js

@@ -1,6 +1,5 @@
 #!/usr/bin/env node
 
-const fs    = require('fs')
 const path  = require('path')
 const spawn = require('child_process').spawn
 
@@ -10,28 +9,21 @@ var command = process.argv[1]
 var argv    = process.argv.slice(2)
 
 var index = PATH.indexOf(path.dirname(command))
-if(index >= 0) PATH = PATH.slice(index+1)
+if(index >= 0)
+{
+  PATH = PATH.slice(index+1)
+  process.env.PATH = PATH
+}
 
-command = path.basename(command)
 
-function onExit(code, signal)
+spawn(path.basename(command), argv, {stdio: 'inherit'})
+.on('exit', function(code, signal)
 {
   process.exit(code || signal)
-}
-
-for(var index in PATH)
+})
+.on('error', function(error)
 {
-  var fullCommand = path.join(PATH[index], command)
-
-  try
-  {
-    fs.accessSync(fullCommand, fs.X_OK)
-
-    return spawn(fullCommand, argv, {stdio: 'inherit'}).on('exit', onExit)
-  }
-  catch(e)
-  {}
-}
-
+  if(error.code === 'ENOENT') return process.exit(127)
 
-process.exit(127)
+  throw error
+})