Acme.BookStore.HttpApi.Host/node_modules/yargs/lib/assign.js

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// lazy Object.assign logic that only works for merging
// two objects; eventually we should replace this with Object.assign.
module.exports = function assign (defaults, configuration) {
  var o = {}
  configuration = configuration || {}

  Object.keys(defaults).forEach(function (k) {
    o[k] = defaults[k]
  })
  Object.keys(configuration).forEach(function (k) {
    o[k] = configuration[k]
  })

  return o
}