@silverwind/ioredis-mock/lib/commands/sismember.js

This library emulates ioredis by performing all operations in-memory.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.sismember = sismember;

function sismember(key, val) {
  const data = this.data.get(key);

  if (data) {
    return data.has(val) ? 1 : 0;
  }

  return 0;
}