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

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

"use strict";

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

function sadd(key, ...vals) {
  if (!this.data.has(key)) {
    this.data.set(key, new Set());
  }

  let added = 0;
  const set = this.data.get(key);
  vals.forEach(value => {
    if (!set.has(value)) {
      added++;
    }

    set.add(value);
  });
  this.data.set(key, set);
  return added;
}