admixer.js

/**
 * Copyright 2018 The AMP HTML Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS-IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {tryParseJson} from '../src/json';
import {validateData, writeScript} from '../3p/3p';

/**
 * @param {!Window} global
 * @param {!Object} data
 */
export function admixer(global, data) {
  validateData(data, ['zone'], ['sizes']);
  /**
   * @type {Object}
   */
  const payload = {
    imps: [],
    referrer: window.context.referrer,
  };
  const imp = {
    params: {
      zone: data.zone,
    },
  };
  if (data.sizes) {
    imp.sizes = tryParseJson(data.sizes);
  }
  payload.imps.push(imp);
  const json = JSON.stringify(/** @type {JsonObject} */ (payload));
  writeScript(global, 'https://inv-nets.admixer.net/ampsrc.js?data=' + json);
}