nerandb/functions/index.js

JSON veritabanı modülü

const fs = require("fs");
const set = function (path, value, object) {
  let pathList = path.split(".");
  let length = pathList.length;
  for (let i = 0; i < length - 1; i++) {
    let elem = pathList[`${i}`];
    if (typeof object[`${elem}`] !== "object") {
      object[`${elem}`] = {};
    }
    object = object[`${elem}`];
  }
  object[pathList[`${length - 1}`]] = value;
};

const get = function (object, ...data) {
  return data.reduce(function (acc, key) {
    return acc[`${key}`];
  }, object);
};

const remove = function (object, path) {
  if (!object || !path) return;
  if (typeof path === "string") {
    path = path.split(".");
  }

  for (let i = 0; i < path.length - 1; i++) {
    object = object[path[`${i}`]];
    if (typeof object === "undefined") return;
  }
  delete object[path.pop()];
};

const fetchFiles = function (databaseFolder, databaseName) {
  if (fs.existsSync(`${databaseFolder}`) === false) {
    fs.mkdirSync(`${databaseFolder}`);
    if (fs.existsSync(`./${databaseFolder}/${databaseName}.json`) === false) {
      fs.writeFileSync(`./${databaseFolder}/${databaseName}.json`, "{}");
      return;
    }
  } else {
    if (fs.existsSync(`./${databaseFolder}/${databaseName}.json`) === false) {
      fs.writeFileSync(`./${databaseFolder}/${databaseName}.json`, "{}");
    }
  }
};

const removeEmptyData = function (object) {
  let remove = function (object) {
    for (let key of Object.keys(object)) {
      if (object[`${key}`] && typeof object[`${key}`] === "object") {
        remove(object[`${key}`]);
      } else if (object[`${key}`] === null || object[`${key}`] === "") {
        delete object[`${key}`];
      }
      if (typeof object[`${key}`] === "object" && Object.keys(object[`${key}`]).length === 0) {
        delete object[`${key}`];
      }
    }
  };

  for (let key of Object.keys(object)) {
    if (object[`${key}`] && typeof object[`${key}`] === "object") {
      remove(object[`${key}`]);
    } else if (object[`${key}`] === null || object[`${key}`] === "") {
      delete object[`${key}`];
    }
    if (typeof object[`${key}`] === "object" && Object.keys(object[`${key}`]).length === 0) {
      delete object[`${key}`];
    }
  }
};

module.exports = {
  set,
  get,
  remove,
  fetchFiles,
  removeEmptyData
}