インデントについて

all.js

"use strict";

(function(){
  var express  = require("express");
  var mysql    = require("mysql");
  
  // some process
  
  var hoge     = 1;
  var fugafuga = 2;
})();

both.js

"use strict";

(function(){
  var express = require("express");
  var mysql   = require("mysql");
  
  // some process
  
  var hoge     = 1;
  var fugafuga = 2;
})();

line-head.js

"use strict";

(function(){
  var express = require("express");
  var mysql = require("mysql");
  
  // some process
  
  var hoge = 1;
  var fugafuga = 2;
})();

none.js

"use strict";

(function(){
    var express = require("express");
  var mysql = require("mysql");
  
  // some process
  
  var hoge = 1;
    var fugafuga = 2;
})();