Choxy

The reactive state management system and wrapper for IndexedDB.

Choxy allows you to easily handle, save data to IndexedDB

Installation

npm i choxy

Usage

Add

import choxy from 'choxy'

choxy.add(key, value)

Get

import choxy from 'choxy'

choxy.get(key)

Update

import choxy from 'choxy'

choxy.update(key, newValue)

Remove

import choxy from 'choxy'

choxy.remove(key)

Watch

import choxy from 'choxy'

// Callback will trigger when value of key change. Method return id_watch
// With option is immediate = true then callback will trigger when init value

id = choxy.watch(key, callback, { immediate: true | false})

Unwatch

import choxy from 'choxy'

choxy.unwatch(key, id)

Wrapper for IndexedDB

Create database

db = new choxy.idb('MyDatabase')

await db.version(1).create({
  friends: '++id,name,age',        // first field is id
  customers: 'snn,name,age,&email' // With field is unique then add prefix '&' for field
})

nameDatabase: nameDatabase what you want crate

version: version of database. It necessary when you want create objectStore then version must greater current version

tables: Object store with key is name table and type of value is string format primaryKey,field1,field2,...

++id: primaryKey autoincrement start from 1

Init database

db = new choxy.idb('MyDatabase')

await db.init()

Add entry to Table

status = await db.query('customers').add({snn: '111-11-1111', name: 'john', email: '[email protected]', age: 24})

If status equal true then add success and otherwise

Remove entry to Table

status = await db.query('customers').delete('111-11-1111')

Update entry to Table

status = await db.query('customers').update('111-11-1111', {snn: '111-11-1111', name: 'john', email: '[email protected]', age: 27})

Clear all entry from Table

status = await db.query('customers').clear()

Get entry from Table

entry = await db.query('customers').get('111-11-1111')

Get all entries from Table

entries = await db.query('customers').getAll().offset(1).limit(4).sortBy((a,b) => b.age - a.age).toArray()

offset: Get entries from index offset

limit: Return limit entries

sortBy: Take callback which similar Array.sort()

toArray: Necessary return entries as array

Get Count entries from Table

count = await db.query('customers').count()

Iterate each entry from Table

db.query('customers').forEach(entry => {
  console.log('Key: ', entry.key, 'Value: ', entry.value)
})

Find range above

await db.query(table).where(field).above(x)

Find range aboveOrEqual

await db.query(table).where(field).aboveOrEqual(x)

Find range below

await db.query(table).where(field).below(y)

Find range belowOrEqual

await db.query(table).where(field).belowOrEqual(y)

Find between

await db.query(table).where(field).between(x, y, equalX, equalY)

// equalX: false, equalY: false   --> >= x and <= y
// equalX: false, equalY: true    --> >=x and < y
// equalX: true, equalY: false    --> < x and <= y
// equalX: true, equalY: true     --> < x and < y