Hyper JSON Database (HyperJDB)

An amazing and simple json database

Instalation

npm i hyper-jdb

Table of contents

• Usage
• Methods
  • set
  • get
  • has
  • delete
  • push
  • add
  • substract
  • drop
• Help
• License

Usage

// Using Node.js `require()`
const hyperJDB = require('hyper-jdb');

// Using ES6 imports
import hyperJDB from 'hyper-jdb';

const database = new hyperJDB("users") // This will create the folder `databases` and the `users.json` file

Methods

set(key, value)

Sets a value into the database.

database.set("language", "english")
/*
    {
        "language": "english"
    }
*/

// You can use dots to specify a new property 
database.set("user1.name", "Álvaro")

/* 
    {
        "language": "english",
        "user1": {
            "name": "Álvaro"
        }
    }
*/

get(key)

Gets an existing key from the database. Returns the value of the given key.

/*
    {
        "user1": {
            "name": "Álvaro",
            "age": 16
        },
        "user2": {
            "name": "Juan",
            "age": 20
        }
    }
*/

database.get("user1.name") // "Álvaro"
database.get("user2.age") // 20

has(key)

Searches the given key. Returns true if it exists or false if not.

/*
    {
        "user1": {
            "name": "newalvaro9",
            "hobbies": ["Gym", "Coding]
        }
    }
*/

database.has("user1.hobbies") // true
database.has("user1.age") // false

delete(key)

Deletes an existing key from the database.

/*
    {
        "user1": {
            "name": "Álvaro",
            "age": 16,
            "hobbies": ["Gym", "Coding", "Cycling"]
        }
    }
*/

database.delete("user1.hobbies[1]") // Deletes Coding property as it is hobbies[1]

/*
    {
        "user1": {
            "name": "Álvaro",
            "age": 16,
            "hobbies": ["Gym", "Cycling"]
        }
    }
*/

push(key, value)

Pushes to the given array a new value. Returns the updated array.

/*
    {
        "user1": {
            "name": "Álvaro",
            "age": 16,
            "hobbies": ["Gym", "Coding", "Cycling"]
        }
    }
*/

database.push("user1.hobbies", "Climbing")

/*
    {
        "user1": {
            "name": "Álvaro",
            "age": 16,
            "hobbies": ["Gym", "Coding", "Cycling", "Climbing"]
        }
    }
*/

add(key, quantity)

Adds to the given key the quantity provided (must be a Number). Returns the updated key value.

/*
    {
        "user1": {
            "name": "Álvaro",
            "money": 430
        }
    }
*/

// Adds 150 to 430 money property
database.add("user1.money", 150) // 580

/*
    {
        "user1": {
            "name": "Álvaro",
            "money": 580
        }
    }
*/

substract(key, quantity)

Substracts from the given key the quantity provided (must be a Number). Returns the updated key value.

/*
    {
        "user1": {
            "name": "Álvaro",
            "money": 430
        }
    }
*/
// Substracts 240 from 430 money 
database.add("user1.money", 240) // 190

/*
    {
        "user1": {
            "name": "Álvaro",
            "money": 190
        }
    }
*/

drop()

Clears all the data in the .json file

database.drop() // Clears the database 

Help

Have any doubts or suggestions? Send me a private message on Discord: @newalvaro9

License

MIT

Copyright 2023, Álvaro Poblador