index.js
function restoreEnv(origEnv) {
  var key;
  for (key in origEnv) {
    if (origEnv[key][0]) {
      process.env[key] = origEnv[key][1];
    } else {
      delete process.env[key];
    }
  }
  return;
}
function restoreEnv(origEnv) {
  var key;
  for (key in origEnv) {
    if (origEnv[key][0]) {
      process.env[key] = origEnv[key][1];
    } else {
      delete process.env[key];
    }
  }
  return;
}
function restoreEnv ( origEnv ) { var key ; for ( key in origEnv ) { if ( origEnv [ key ] [ 0 ] ) { process . env [ key ] = origEnv [ key ] [ 1 ] ; } else { delete process . env [ key ] ; } } return ; }
restore environment to original state
@arg {Object} origEnv - delta/state of process.env from prior morphing
@function
restore environment to original state