Node.js - Find home directory in platform agnostic way

os.homedir() was added by this PR and is part of the public 4.0.0 release of nodejs.

Example usage:

const os = require('os');

console.log(os.homedir());

As mentioned in a more recent answer, the preferred way is now simply:

const homedir = require('os').homedir();

[Original Answer] Why not use the USERPROFILE environment variable on win32?

function getUserHome() {
  return process.env[(process.platform == 'win32') ? 'USERPROFILE' : 'HOME'];
}

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