ioredis-mock/lib/commands/decrby.js

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

"use strict";

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

  var curVal = Number(this.data.get(key));
  var nextVal = curVal - parseInt(decrement, 10);
  this.data.set(key, nextVal.toString());
  return nextVal;
}