template-saas/apps/backend/node_modules/passport-jwt/lib/helpers/assign.js

// note: This is a polyfill to Object.assign to support old nodejs versions (0.10 / 0.12) where
// Object.assign doesn't exist.
// Source: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
module.exports = function(target, varArgs) {
  if (target == null) { // TypeError if undefined or null
    throw new TypeError('Cannot convert undefined or null to object');
  }

  var to = Object(target);

  for (var index = 1; index < arguments.length; index++) {
    var nextSource = arguments[index];

    if (nextSource != null) { // Skip over if undefined or null
      for (var nextKey in nextSource) {
        // Avoid bugs when hasOwnProperty is shadowed
        if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
          to[nextKey] = nextSource[nextKey];
        }
      }
    }
  }
  return to;
};