ioredis-mock/lib/commands/incrby.js

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

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.incrby = incrby;
function incrby(key) {
  var increment = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;

  if (!this.data.has(key)) {
    this.data.set(key, '0');
  }
  var curVal = Number(this.data.get(key));
  var nextVal = curVal + parseInt(increment, 10);
  this.data.set(key, nextVal.toString());
  return nextVal;
}