packages/client/lib/commands/CLIENT_TRACKING.ts
import { RedisCommandArgument, RedisCommandArguments } from '.';
interface CommonOptions {
REDIRECT?: number;
NOLOOP?: boolean;
}
interface BroadcastOptions {
BCAST?: boolean;
PREFIX?: RedisCommandArgument | Array<RedisCommandArgument>;
}
interface OptInOptions {
OPTIN?: boolean;
}
interface OptOutOptions {
OPTOUT?: boolean;
}
type ClientTrackingOptions = CommonOptions & (
BroadcastOptions |
OptInOptions |
OptOutOptions
);
export function transformArguments<M extends boolean>(
mode: M,
options?: M extends true ? ClientTrackingOptions : undefined
): RedisCommandArguments {
const args: RedisCommandArguments = [
'CLIENT',
'TRACKING',
mode ? 'ON' : 'OFF'
];
if (mode) {
if (options?.REDIRECT) {
args.push(
'REDIRECT',
options.REDIRECT.toString()
);
}
if (isBroadcast(options)) {
args.push('BCAST');
if (options?.PREFIX) {
if (Array.isArray(options.PREFIX)) {
for (const prefix of options.PREFIX) {
args.push('PREFIX', prefix);
}
} else {
args.push('PREFIX', options.PREFIX);
}
}
} else if (isOptIn(options)) {
args.push('OPTIN');
} else if (isOptOut(options)) {
args.push('OPTOUT');
}
if (options?.NOLOOP) {
args.push('NOLOOP');
}
}
return args;
}
function isBroadcast(options?: ClientTrackingOptions): options is BroadcastOptions {
return (options as BroadcastOptions)?.BCAST === true;
}
function isOptIn(options?: ClientTrackingOptions): options is OptInOptions {
return (options as OptInOptions)?.OPTIN === true;
}
function isOptOut(options?: ClientTrackingOptions): options is OptOutOptions {
return (options as OptOutOptions)?.OPTOUT === true;
}
export declare function transformReply(): 'OK' | Buffer;