Memoz

 

Memoz is an in-memory database that persists on disk.

1. Installation
2. Usage
3. Methods

Installation

npm i memoz
// or
yarn add memoz

Usage

const Memoz = require('memoz');
// Or
import Memoz from 'memoz';

Methods

1. createOne
2. createMany
3. getById
4. getOne
5. getMany
6. updateById
7. updateOne
8. updateMany
9. deleteById
10. deleteOne
11. deleteMany
12. deleteAll
13. countDocuments
14. id
15. isValidId

createOne

This method takes one parameter: javascript object

const memoz = new Memoz();

const person = memoz.createOne({'name', 'john'});
// {"name":"milad","id":"d112c727-b6b1-4ec2-9604-7af42f9748b1-1fbtpld4v"}

createMany

This method takes one parameter: javascript object

const memoz = new Memoz();

const documents = memoz.createMany([{ name: 'milad' }, { name: 'medo' }]);
/* [{"name":"milad","id":"060be5fb-3526-4236-8798-7ff1e7d39612-1fbtpo1c7"},
{"name":"medo","id":"e9d5433e-b6f4-4192-9387-4a0b6c46f25c-1fbtpo1c7"}]*/

getById

This method takes one parameter:

1. id, this is an id, must be valid uuid based on isValidId method

const memoz = new Memoz();

const document = memoz.getById(id);
// {"name":"milad","id":"3b99ae9b-ba88-4e1d-abfc-d376a5e91bf4-1fbtq2n14"}

getOne

This method take one parameter:

1. query, this is a object contains keys and values, it will be AND, this is required

const memoz = new Memoz();

const document = memoz.getOne({ name: 'milad' });
// {"name":"milad","id":"40c0bfcd-beab-494a-9d73-30522032f7a1-1fbtqconi"}

getMany

This method take one parameter:

1. query, this is a object contains keys and values, it will be AND, this is required

const memoz = new Memoz();

const documents = memoz.getMany({ name: 'milad' });
// {"name":"milad","id":"40c0bfcd-beab-494a-9d73-30522032f7a1-1fbtqconi"}

const memoz = new Memoz();

const documents = memoz.getMany({ name: 'milad' });

/* 
[{"name":"milad","id":"93d85042-8e6b-48bb-9eb9-7b4ad5237ce7-1fbtqg3j6"},
{"name":"milad","id":"966deb17-4b82-4a44-abbc-d0ddc0edfbbd-1fbtqg3j7"}]
*/

updateById

This method takes two parameters:

1. id, this is an id, must be valid uuid based on isValidId method
2. newData, this is a javascript Object, this is required

const memoz = new Memoz();

const updatedObject = memoz.updateById(id, { name: 'medo' });
// {"name":"medo","id":"bd05def8-ae92-43b7-968f-bae612e6a41c-1fbtqo3nc"}

updateOne

This method takes two parameters:

1. query, this is a javascript object contains keys and values, it will be AND, this is required
2. newData, this is a javascript Object, this is required

const memoz = new Memoz();

const updatedObject = memoz.updateOne({ name: 'milad' }, { name: 'medo' });
// {"name":"medo","id":"46de7672-107b-45a1-9181-a19e642dbb0b-1fbtqsiia"}

updateMany

This method takes two parameters:

1. query, this is a javascript object contains keys and values, it will be AND, this is required
2. newData, this is a javascript object, this is required

const memoz = new Memoz();

const updatedDocuments = memoz.updateMany({ name: 'milad' }, { name: 'medo' });
/*
 {
   "updated":true,
   "n":2,
   "documents":[
      {"name":"medo","id":"698c89a1-02de-4a08-add8-4076251c2e7a-1fbtr8l2p"},
      {"name":"medo","id":"5ac7dd8b-360f-48a2-80ca-3ab539e19dfa-1fbtr8l2p"}
    ]
  }
 */

deleteById

This method take one parameter:

1. id, this is an id, must be valid uuid based on isValidId method

const memoz = new Memoz();

const deletedObject = memoz.deleteById(id);
/*
{"name":"milad","id":"a1da45f4-c718-440b-af66-25a731d2491f-1fbts3el9"}
*/

deleteOne

This method take one parameters:

1. query, this is a javascript object contains keys and values, it will be AND, this is required

const memoz = new Memoz();

const deletedObject = memoz.deleteOne({ name: 'milad' });
/*
{"name":"milad","id":"9764e5c0-8d5b-43f1-b112-81936efa1690-1fbts9mm1"}
*/

deleteMany

This method take one parameters:

1. query, this is a javascript object contains keys and values, it will be AND, this is required

const memoz = new Memoz();

const deletedObject = memoz.deleteMany({ name: 'milad' });
/*{"deleted":true,"n":3}*/

deleteAll

This method take without any parameter

const memoz = new Memoz();

const deletedAll = memoz.deleteAll();
//{"deleted":true,"n":4}

countDocuments

This method take one parameters:

1. query, this is a javascript object contains keys and values, it will be AND, this is optional

const memoz = new Memoz();

const size = memoz.countDocuments();
// 4

const size = memoz.countDocuments({ name: 'milad' });
// 2

id

This method don't take any parameter

const memoz = new Memoz();

const id = memoz.id()

// 9764e5c0-8d5b-43f1-b112-81936efa1690-1fbts9mm1

isValidId

This method take one a parameter:

1. id, it must be a string

const memoz = new Memoz();

const isId = memoz.isValidId(id);

// true