@svta/common-media-library/dist/contentsteering/isValidSteeringManifest.js

A common library for media playback in JavaScript

import { isValidPathwayClone } from './isValidPathwayClone.js';
/**
 * Validates a steering manifest.
 *
 * @param manifest - The steering manifest to validate.
 * @returns `true` if the steering manifest is valid, `false` otherwise.
 *
 * @group Content Steering
 *
 * @beta
 */
export function isValidSteeringManifest(manifest) {
    if (!manifest) {
        return false;
    }
    const { VERSION, TTL, 'PATHWAY-PRIORITY': PATHWAY_PRIORITY, 'PATHWAY-CLONES': PATHWAY_CLONES } = manifest;
    // version is required and must be a valid number
    if (typeof VERSION !== 'number' || VERSION !== 1) {
        return false;
    }
    // TTL must be a valid number and greater than 0
    if (typeof TTL !== 'number' || TTL <= 0) {
        return false;
    }
    // PATHWAY-PRIORITY must be an array of strings and must not contain duplicates
    if (!Array.isArray(PATHWAY_PRIORITY) || PATHWAY_PRIORITY.length === 0 || new Set(PATHWAY_PRIORITY).size !== PATHWAY_PRIORITY.length) {
        return false;
    }
    // PATHWAY-CLONES must be an array of valid pathway clones
    if (PATHWAY_CLONES && (!Array.isArray(PATHWAY_CLONES) || PATHWAY_CLONES.length === 0 || PATHWAY_CLONES.some(clone => !isValidPathwayClone(clone)))) {
        return false;
    }
    return true;
}
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