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d941ec5a4c
* 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
63 lines
1.8 KiB
TypeScript
63 lines
1.8 KiB
TypeScript
import { CommandParser } from '../client/parser';
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import { NumberReply, Command, RedisArgument } from '../RESP/types';
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import { StreamDeletionPolicy } from './common-stream.types';
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/**
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* Options for the XTRIM command
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*
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* @property strategyModifier - Exact ('=') or approximate ('~') trimming
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* @property LIMIT - Maximum number of entries to trim in one call (Redis 6.2+)
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* @property policy - Policy to apply when deleting entries (optional, defaults to KEEPREF)
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*/
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export interface XTrimOptions {
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strategyModifier?: '=' | '~';
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/** added in 6.2 */
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LIMIT?: number;
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/** added in 8.2 */
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policy?: StreamDeletionPolicy;
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}
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/**
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* Command for trimming a stream to a specified length or minimum ID
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*/
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export default {
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IS_READ_ONLY: false,
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/**
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* Constructs the XTRIM command to trim a stream by length or minimum ID
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*
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* @param parser - The command parser
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* @param key - The stream key
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* @param strategy - Trim by maximum length (MAXLEN) or minimum ID (MINID)
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* @param threshold - Maximum length or minimum ID threshold
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* @param options - Additional options for trimming
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* @returns Number of entries removed from the stream
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* @see https://redis.io/commands/xtrim/
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*/
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parseCommand(
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parser: CommandParser,
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key: RedisArgument,
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strategy: 'MAXLEN' | 'MINID',
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threshold: number,
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options?: XTrimOptions
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) {
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parser.push('XTRIM')
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parser.pushKey(key);
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parser.push(strategy);
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if (options?.strategyModifier) {
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parser.push(options.strategyModifier);
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}
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parser.push(threshold.toString());
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if (options?.LIMIT) {
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parser.push('LIMIT', options.LIMIT.toString());
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}
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if (options?.policy) {
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parser.push(options.policy);
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}
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},
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transformReply: undefined as unknown as () => NumberReply
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} as const satisfies Command;
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