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60 lines
1.2 KiB
TypeScript
60 lines
1.2 KiB
TypeScript
import { RedisArgument, ArrayReply, BlobStringReply, Command } from '../RESP/types';
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export interface SortOptions {
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BY?: RedisArgument;
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LIMIT?: {
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offset: number;
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count: number;
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};
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GET?: RedisArgument | Array<RedisArgument>;
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DIRECTION?: 'ASC' | 'DESC';
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ALPHA?: boolean;
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}
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export function transformSortArguments(
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command: RedisArgument,
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key: RedisArgument,
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options?: SortOptions
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) {
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const args: Array<RedisArgument> = [command, key];
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if (options?.BY) {
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args.push('BY', options.BY);
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}
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if (options?.LIMIT) {
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args.push(
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'LIMIT',
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options.LIMIT.offset.toString(),
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options.LIMIT.count.toString()
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);
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}
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if (options?.GET) {
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if (Array.isArray(options.GET)) {
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for (const pattern of options.GET) {
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args.push('GET', pattern);
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}
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} else {
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args.push('GET', options.GET);
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}
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}
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if (options?.DIRECTION) {
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args.push(options.DIRECTION);
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}
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if (options?.ALPHA) {
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args.push('ALPHA');
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}
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return args;
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}
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export default {
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FIRST_KEY_INDEX: 1,
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IS_READ_ONLY: true,
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transformArguments: transformSortArguments.bind(undefined, 'SORT'),
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transformReply: undefined as unknown as () => ArrayReply<BlobStringReply>
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} as const satisfies Command;
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