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

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

"use strict";

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

var _lodash = require("lodash");

var _zrangeCommand = require("./zrange-command.common");

function zcount(key, inputMin, inputMax) {
  const map = this.data.get(key);

  if (!map) {
    return 0;
  }

  if (this.data.has(key) && !(this.data.get(key) instanceof Map)) {
    return 0;
  }

  const min = (0, _zrangeCommand.parseLimit)(inputMin);
  const max = (0, _zrangeCommand.parseLimit)(inputMax);
  const filteredArray = (0, _lodash.filter)(Array.from(map.values()), (0, _zrangeCommand.filterPredicate)(min, max));
  return filteredArray.length;
}