Acme.BookStore.HttpApi.Host/node_modules/copy-props/index.js

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'use strict';

var eachProps = require('each-props');
var isPlainObject = require('is-plain-object');

module.exports = function(src, dst, fromto, converter, reverse) {

  if (!isObject(src)) {
    src = {};
  }

  if (!isObject(dst)) {
    dst = {};
  }

  if (isPlainObject(fromto)) {
    fromto = onlyValueIsString(fromto);
  } else if (Array.isArray(fromto)) {
    fromto = arrayToObject(fromto);
  } else if (typeof fromto === 'boolean') {
    reverse = fromto;
    converter = noop;
    fromto = null;
  } else if (typeof fromto === 'function') {
    reverse = converter;
    converter = fromto;
    fromto = null;
  } else {
    fromto = null;
  }

  if (typeof converter !== 'function') {
    if (typeof converter === 'boolean') {
      reverse = converter;
      converter = noop;
    } else {
      converter = noop;
    }
  }

  if (typeof reverse !== 'boolean') {
    reverse = false;
  }

  if (reverse) {
    var tmp = src;
    src = dst;
    dst = tmp;

    if (fromto) {
      fromto = invert(fromto);
    }
  }

  var opts = {
    dest: dst,
    fromto: fromto,
    convert: converter,
  };