function getHolidaySuspensions()

in src/homedelivery/export.ts [130:150]

• 20 lines of code
• 1 McCabe index (conditional complexity)

function getHolidaySuspensions(
	downloadStream: ReadStream,
): Promise<Set<string>> {
	return new Promise((resolve, reject) => {
		const suspendedSubs = new Set<string>();

		downloadStream
			.pipe(csv.parse({ headers: true }))
			.on('error', (error) =>
				reject(Error(`Failed to read HolidaySuspensions raw CSV: ${error}`)),
			)
			.on('data', (row) => {
				const subName = row['Subscription.Name'];
				suspendedSubs.add(subName);
			})
			.on('end', (rowCount: number) => {
				console.log(`Successfully read ${rowCount} rows of HolidaySuspensions`);
				resolve(suspendedSubs);
			});
	});
}