ioredis-mock/lib/commands/exists.js

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

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.exists = exists;
function exists() {
  var _this = this;

  for (var _len = arguments.length, keys = Array(_len), _key = 0; _key < _len; _key++) {
    keys[_key] = arguments[_key];
  }

  return keys.reduce(function (totalExists, key) {
    if (_this.data.has(key)) {
      return totalExists + 1;
    }
    return totalExists;
  }, 0);
}