1
0
mirror of https://github.com/redis/node-redis.git synced 2025-08-03 04:01:40 +03:00
Files
Pavel Pashov d941ec5a4c Add Redis 8.2 New Stream Commands (#3029)
* chore: update Redis version from 8.2-RC1-pre to 8.2-rc1

* feat: implement XDELEX command for Redis 8.2

* feat: implement XACKDEL command for Redis 8.2

* refactor: create shared stream deletion types
  for Redis 8.2 commands

* feat: add Redis 8.2 deletion policies to XTRIM
  command

* feat: add Redis 8.2 deletion policies to XADD commands

* fix: correct XDELEX command method name and test parameter
2025-07-25 17:58:28 +03:00

96 lines
2.8 KiB
TypeScript

import { CommandParser } from '../client/parser';
import { RedisArgument, BlobStringReply, Command } from '../RESP/types';
import { StreamDeletionPolicy } from './common-stream.types';
import { Tail } from './generic-transformers';
/**
* Options for the XADD command
*
* @property TRIM - Optional trimming configuration
* @property TRIM.strategy - Trim strategy: MAXLEN (by length) or MINID (by ID)
* @property TRIM.strategyModifier - Exact ('=') or approximate ('~') trimming
* @property TRIM.threshold - Maximum stream length or minimum ID to retain
* @property TRIM.limit - Maximum number of entries to trim in one call
* @property TRIM.policy - Policy to apply when trimming entries (optional, defaults to KEEPREF)
*/
export interface XAddOptions {
TRIM?: {
strategy?: 'MAXLEN' | 'MINID';
strategyModifier?: '=' | '~';
threshold: number;
limit?: number;
/** added in 8.2 */
policy?: StreamDeletionPolicy;
};
}
/**
* Parses arguments for the XADD command
*
* @param optional - Optional command modifier
* @param parser - The command parser
* @param key - The stream key
* @param id - Message ID (* for auto-generation)
* @param message - Key-value pairs representing the message fields
* @param options - Additional options for stream trimming
*/
export function parseXAddArguments(
optional: RedisArgument | undefined,
parser: CommandParser,
key: RedisArgument,
id: RedisArgument,
message: Record<string, RedisArgument>,
options?: XAddOptions
) {
parser.push('XADD');
parser.pushKey(key);
if (optional) {
parser.push(optional);
}
if (options?.TRIM) {
if (options.TRIM.strategy) {
parser.push(options.TRIM.strategy);
}
if (options.TRIM.strategyModifier) {
parser.push(options.TRIM.strategyModifier);
}
parser.push(options.TRIM.threshold.toString());
if (options.TRIM.limit) {
parser.push('LIMIT', options.TRIM.limit.toString());
}
if (options.TRIM.policy) {
parser.push(options.TRIM.policy);
}
}
parser.push(id);
for (const [key, value] of Object.entries(message)) {
parser.push(key, value);
}
}
export default {
IS_READ_ONLY: false,
/**
* Constructs the XADD command to append a new entry to a stream
*
* @param parser - The command parser
* @param key - The stream key
* @param id - Message ID (* for auto-generation)
* @param message - Key-value pairs representing the message fields
* @param options - Additional options for stream trimming
* @returns The ID of the added entry
* @see https://redis.io/commands/xadd/
*/
parseCommand(...args: Tail<Parameters<typeof parseXAddArguments>>) {
return parseXAddArguments(undefined, ...args);
},
transformReply: undefined as unknown as () => BlobStringReply
} as const satisfies Command;