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

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

"use strict";

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

var _lodash = require("lodash");

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

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

  if (!map) {
    return [];
  }

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

  const {
    withScores,
    limit,
    offset
  } = (0, _zrangeCommand.getWithScoresAndLimit)(args);
  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));
  let ordered = (0, _lodash.orderBy)(filteredArray, ['score', 'value'], ['desc', 'desc']);

  if (withScores) {
    if (limit !== null) {
      ordered = (0, _zrangeCommand.offsetAndLimit)(ordered, offset, limit);
    }

    return (0, _lodash.flatMap)(ordered, it => [it.value, it.score]);
  }

  const results = ordered.map(it => it.value);

  if (limit !== null) {
    return (0, _zrangeCommand.offsetAndLimit)(results, offset, limit);
  }

  return results;
}