@aws/cloudfront-hosting-toolkit/lambda/layers/aws_sdk/nodejs/node_modules/form-data/lib/populate.js

CloudFront Hosting Toolkit offers the convenience of a managed frontend hosting service while retaining full control over the hosting and deployment infrastructure to make it your own.

// populates missing values
module.exports = function(dst, src) {

  Object.keys(src).forEach(function(prop)
  {
    dst[prop] = dst[prop] || src[prop];
  });

  return dst;
};