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2023-07-06 11:12:37 -04:00

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TypeScript

import { RedisArgument, CommandArguments, BlobStringReply, ArrayReply, Command } from '../RESP/types';
export interface ScanCommonOptions {
MATCH?: string;
COUNT?: number;
}
export function pushScanArguments(
args: CommandArguments,
cursor: RedisArgument,
options?: ScanOptions
): CommandArguments {
args.push(cursor.toString());
if (options?.MATCH) {
args.push('MATCH', options.MATCH);
}
if (options?.COUNT) {
args.push('COUNT', options.COUNT.toString());
}
return args;
}
export interface ScanOptions extends ScanCommonOptions {
TYPE?: RedisArgument;
}
export default {
FIRST_KEY_INDEX: undefined,
IS_READ_ONLY: true,
transformArguments(cursor: RedisArgument, options?: ScanOptions) {
const args = pushScanArguments(['SCAN'], cursor, options);
if (options?.TYPE) {
args.push('TYPE', options.TYPE);
}
return args;
},
transformReply([cursor, keys]: [BlobStringReply, ArrayReply<BlobStringReply>]) {
return {
cursor,
keys
};
}
} as const satisfies Command;