@onurege3467/zerohelper/database/mysql/structures/methods/sub.js

ZeroHelper is a versatile JavaScript library offering helper functions and database utilities for developers. It supports MongoDB, MySQL, SQLite, Redis, and PostgreSQL.

"use strict";

const errors = require("../errors/strings.js");

module.exports = async function (key, value, table = "default") {
  if (!table || typeof table !== "string")
    throw new TypeError(errors.table.replace("{received}", typeof table));
  if (!key || typeof key !== "string")
    throw new TypeError(errors.key.replace("{received}", typeof key));
  if (value === undefined)
    throw new TypeError(errors.value.replace("{received}", typeof value));
  if (isNaN(value) || value <= 0)
    throw new TypeError(errors.numberType.replace("{received}", typeof value));

  await this.create(table);
  let data = (await this.get(table, key)) || 0;
  if (isNaN(data)) throw new TypeError(errors.notNumber.replace("{key}", key));
  return await this.set(key, data - Number(value), table);
};