Event Forage

Utility for localforage that emits events when keys in the store are set or removed.

Usage

var localforage = require('eventforage')
 
localforage.on('set', function (key, value) {
  // Called when ANY key is set
  console.log('set', key, value)
})
 
localforage.on('set:test', function (value) {
  // Called when the key "test" is set
  console.log('set:test', value)
})
 
localforage.on('remove', function (key) {
  // Called when ANY key is removed
  console.log('remove', key)
})
 
localforage.on('remove:test', function () {
  // Called when the key "test" is removed
  console.log('remove:test')
})
 
localforage.on('clear', function () {
  // Called when the store is cleared
  console.log('clear')
})
 
// Start using the store ------------------------------------------------------
 
localforage.setItem('test', 'foo', function (err) {
  console.log('setItem callback')
})
 
localforage.removeItem('test', function (err) {
  console.log('removeItem callback')
})
 
localforage.clear(function (err) {
  console.log('clear callback')
})
 
// Output ---------------------------------------------------------------------
 
/*
setItem callback
set:test foo
set test foo
removeItem callback
remove:test
remove test
clear callback
clear
*/

Events

set

Emitted after any key has been set in the store. Handler receives key and value params.

set:<key name>

Emitted after a key has been set in the store. Handler receives value param.

remove

Emitted after any key has been removed from the store. Handler receives key param.

remove:<key name>

Emitted after a key has been removed from the store. Handler receives no parameters.

clear

Emitted after the store has been cleared. Handler receives no parameters.