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known-customer.js
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known-customer.js
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/**
* Copyright 2022 Google LLC
*
* 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.
*/
// For demo purposes. The hostname is used to determine the usage of
// development localhost URL vs production URL
const contentProducerUrl = window.location.host;
// The first URL is the "register" button to be rendered if the user is not known
const AD_URLS = [
{ url: `https://${contentProducerUrl}/ads/register-button.html` },
{ url: `https://${contentProducerUrl}/ads/buy-now-button.html` },
];
async function injectAd() {
// Load the worklet module
await window.sharedStorage.worklet.addModule('known-customer-worklet.js');
// Set the initial status to unknown ('0' is unknown and '1' is known)
window.sharedStorage.set('known-customer', 0, {
ignoreIfPresent: true,
});
// Resolve the selectURL call to a fenced frame config only when it exists on the page
const resolveToConfig = typeof window.FencedFrameConfig !== 'undefined';
// Run the URL selection operation to choose the button based on the user status
const selectedUrl = await window.sharedStorage.selectURL('known-customer', AD_URLS, {
resolveToConfig,
});
const adSlot = document.getElementById('button-slot');
if (resolveToConfig && selectedUrl instanceof FencedFrameConfig) {
adSlot.config = selectedUrl;
} else {
adSlot.src = selectedUrl;
}
}
injectAd();