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import { platform } from '@amp/web-apps-utils';
import { HLSJS_CDN, HLSJS_VERSION } from './hlsjs';
declare global {
interface Window {
rtc?: any;
}
}
export type ReportingOptions = {
storeBagURL: string;
clientName: string;
serviceName: string;
applicationName: string;
applicationVersion: string;
browserName: string;
browserMajorVersion: string;
browserMinorVersion: string;
osName: string;
osVersion: string;
};
/**
* Generate a URL for loading HLS.js.
*/
export function generateRTCJSURL(version?: string): URL {
// FIXME: Add a local storage override for the HLS.js version
version = version ?? HLSJS_VERSION;
return new URL(`${HLSJS_CDN}/${version}/rtc.js/rtc.js`);
}
export function getRTCNamespace() {
if (window.rtc === undefined) {
throw new Error('Unable to load RTC library');
}
return window.rtc;
}
export function getReportingOptions(): ReportingOptions {
// FIXME: Add correct information for RTC reporting for Web App Store
return {
storeBagURL:
'https://mediaservices.cdn-apple.com/store_bags/hlsjs/aasw/v1/rtc_storebag.json',
// Application
clientName: 'AASW',
serviceName: 'com.apple.apps.external',
applicationName: 'AppleAppStoreVWeb',
applicationVersion: 'WebAppStore/1.0.0',
// Browser
browserName: platform.clientName() ?? '',
browserMajorVersion: platform.majorVersion()?.toString() ?? '0',
browserMinorVersion: platform.minorVersion()?.toString() ?? '0',
// Operating System
osName: platform.osName() ?? '',
osVersion: platform.osName() ?? '',
} as const;
}
/**
* Generate the configuration used for an `RTCReportingAgent`.
*
* @see {@link makeReportingAgent}
*/
export function generateReportingConfig(rtc: any) {
rtc = rtc ?? getRTCNamespace();
const options = getReportingOptions();
const key = rtc.RTCReportingAgentConfigKeys;
return {
[key.Sender]: 'HLSJS',
[key.ClientName]: options.clientName,
[key.ServiceName]: options.serviceName,
[key.ApplicationName]: options.applicationName,
[key.DeviceName]: options.osVersion,
[key.ReportingStoreBag]: new rtc.RTCStorebag.RTCReportingStoreBag(
options.storeBagURL,
options.clientName,
options.serviceName,
options.applicationName,
options.browserName,
{ iTunesAppVersion: options.applicationVersion },
),
// Fake out these fields
model: options.browserName,
firmwareVersion: `${options.browserMajorVersion}.${options.browserMinorVersion}`,
};
}
/**
* Create an `RTCReportingAgent` with default configuration from `generateReportingConfig`.
*
* The reporting agent can be used with HLS.js playback to enable RTC reporting.
*/
export function makeReportingAgent(rtc: any): any {
rtc = rtc ?? getRTCNamespace();
return new rtc.RTCReportingAgent(generateReportingConfig(rtc));
}
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