one/dist/esm/platform/updates/validate.mjs

One is a React framework for web, iOS, and Android apps.

function isRecord(value) {
	return typeof value === "object" && value !== null && !Array.isArray(value);
}
function isAsset(value) {
	return isRecord(value) && typeof value.hash === "string" && typeof value.url === "string" && typeof value.path === "string";
}
function isMetadataValue(value) {
	const type = typeof value;
	return type === "string" || type === "number" || type === "boolean";
}
function parseUpdateManifest(json) {
	let parsed;
	try {
		parsed = JSON.parse(json);
	} catch {
		throw new Error("Updates: received a manifest that is not valid json.");
	}
	if (!isRecord(parsed) || typeof parsed.id !== "string" || typeof parsed.createdAt !== "string" || typeof parsed.runtimeVersion !== "string" || !isAsset(parsed.launchAsset) || !Array.isArray(parsed.assets) || !parsed.assets.every(isAsset) || !isRecord(parsed.metadata) || !Object.values(parsed.metadata).every(isMetadataValue) || Number.isNaN(Date.parse(parsed.createdAt))) {
		throw new Error("Updates: received a manifest with an unexpected shape.");
	}
	const assets = [];
	for (const asset of parsed.assets) {
		if (isAsset(asset)) assets.push(asset);
	}
	const metadata = {};
	for (const [key, value] of Object.entries(parsed.metadata)) {
		if (isMetadataValue(value)) metadata[key] = value;
	}
	return {
		id: parsed.id,
		createdAt: parsed.createdAt,
		runtimeVersion: parsed.runtimeVersion,
		launchAsset: parsed.launchAsset,
		assets,
		metadata
	};
}
function assertStagedListener(listener) {
	if (typeof listener !== "function") {
		throw new Error("Updates.addStagedListener: listener must be a function.");
	}
}

export { assertStagedListener, parseUpdateManifest };
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