export function getChannelId(channelName: string): number { if (channelName === 'stable') { return 0; } else if (channelName === 'beta') { return 1; } else if (channelName === 'dev') { return 2; } else if (channelName === 'canary') { return 3; } else { throw new Error(`Unexpected channel name: '${channelName}'.`); } }