Get application full path in Node.js

Question

I\'m wondering if there is a best way or best practice to get the full path of application in Node.js. Example: I have a a module in sub folder /apps/myapp/data/models/m

Answer 1

There's probably a better solution, BUT this should work:

var path = require('path');

// find the first module to be loaded
var topModule = module;

while(topModule.parent)
  topModule = topModule.parent;

var appDir = path.dirname(topModule.filename);
console.log(appDir);

EDIT: Andreas proposed a better solution in the comments:

path.dirname(require.main.filename)

EDIT: another solution by Nam Nguyen

path.dirname(process.mainModule.filename)