braintree-web/lib/add-metadata.js

A suite of tools for integrating Braintree in the browser

"use strict";

var createAuthorizationData = require("./create-authorization-data");
var jsonClone = require("./json-clone");
var constants = require("./constants");

function addMetadata(configuration, data) {
  var key;
  var attrs = data ? jsonClone(data) : {};
  var authAttrs = createAuthorizationData(configuration.authorization).attrs;
  var _meta = jsonClone(configuration.analyticsMetadata);

  attrs.braintreeLibraryVersion = constants.BRAINTREE_LIBRARY_VERSION;

  for (key in attrs._meta) {
    if (attrs._meta.hasOwnProperty(key)) {
      _meta[key] = attrs._meta[key];
    }
  }

  attrs._meta = _meta;

  if (authAttrs.tokenizationKey) {
    attrs.tokenizationKey = authAttrs.tokenizationKey;
  } else {
    attrs.authorizationFingerprint = authAttrs.authorizationFingerprint;
  }

  return attrs;
}

module.exports = addMetadata;