nessdb/functions/yamldb.js

a JSON/YAML/LocalStorage database module

"use strict";

const fs = require("fs");

module.exports.set = function (path, value, obj) {
    var schema = obj;
    var pList = path.split(".");
    var len = pList.length;
    for(var i = 0; i < len-1; i++) {
        var elem = pList[`${i}`];
        if( typeof schema[`${elem}`] !== "object" ) {
          schema[`${elem}`] = {};
        }
        schema = schema[`${elem}`];
    }
    schema[pList[`${len-1}`]] = value;
};

module.exports.get = function(obj, ...data) {
  return data.reduce(function(acc, key) {
    return acc[`${key}`];
  }, obj);
};

module.exports.remove = function(obj, path) {

    if (!obj || !path) {
      return;
    }
  
    if (typeof path === "string") {
      path = path.split(".");
    }
  
    for (var i = 0; i < path.length - 1; i++) {
  
      obj = obj[path[`${i}`]];
  
      if (typeof obj === "undefined") {
        return;
      }
    }
  
    delete obj[path.pop()];
};

module.exports.fetchFiles = function(dbFolder, dbName) {

    if (fs.existsSync(`${dbFolder}`) === false){
        fs.mkdirSync(`${dbFolder}`);
        if(fs.existsSync(`./${dbFolder}/${dbName}.yaml`) === false) {
            fs.writeFileSync(`./${dbFolder}/${dbName}.yaml`, "{}");
            return;
        }
    } else {
        if(fs.existsSync(`./${dbFolder}/${dbName}.yaml`) === false) {
            fs.writeFileSync(`./${dbFolder}/${dbName}.yaml`, "{}");
        }
    }

};