@svta/common-media-library/dist/drm/fairplay/getId.js

A common library for media playback in JavaScript

import { extractContentId } from './extractContentId.js';
/**
 * Extracts the content ID from the license server URL or InitData.
 *
 * @param licenseServerUrl - The license server URL
 * @param initData - The initialization data (PSSH box)
 * @param queryParam - The query parameter key to extract (default: 'ContentId')
 * @returns The extracted content ID as a string or null if not found
 *
 * @group DRM
 * @beta
 *
 * @example
 * {@includeCode ../../../test/drm/fairplay/getId.test.ts#example}
 */
export function getId(licenseServerUrl, initData, queryParam = 'ContentId') {
    try {
        const url = new URL(licenseServerUrl);
        const params = new URLSearchParams(url.search);
        return params.get(queryParam) || extractContentId(initData);
    }
    catch {
        // in case if URL parsing fails,
        // fallback to extracting from initData
        return extractContentId(initData);
    }
}
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