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Used a more direct cross reference (as user names can change at any time).
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Peter Mortensen
  • 31.5k
  • 22
  • 110
  • 134

Here is some extended version of the code posted by @danottposted by danott:

It'll also implement a delete value from localstorage and shows how to adds a Getter and Setter layer so instead of,

localstorage.setItem(preview, true)

you can write

config.preview = true

Okay, here were go:

var PT=Storage.prototype

if (typeof PT._setItem >='u')
  PT._setItem = PT.setItem;
PT.setItem = function(key, value)
{
  if (typeof value >='u') //..undefined
    this.removeItem(key)
  else
    this._setItem(key, JSON.stringify(value));
}

if (typeof PT._getItem >='u')
  PT._getItem = PT.getItem;
PT.getItem = function(key)
{
  var ItemData = this._getItem(key)
  try
  {
    return JSON.parse(ItemData);
  }
  catch(e)
  {
    return ItemData;
  }
}

// Aliases for localStorage.set/getItem
get = localStorage.getItem.bind(localStorage)
set = localStorage.setItem.bind(localStorage)

// Create ConfigWrapperObject
var config = {}

// Helper to create getter & setter
function configCreate(PropToAdd){
    Object.defineProperty( config, PropToAdd, {
      get: function ()    { return (get(PropToAdd)    )},
      set: function (val) {         set(PropToAdd, val)}
    })
}
//------------------------------

// Usage Part
// Create properties
configCreate('preview')
configCreate('notification')
//...

// Configuration Data transfer
// Set
config.preview = true

// Get
config.preview

// Delete
config.preview = undefined

Well, you may strip the aliases part with .bind(...). However, I just put it in since it's really good to know about this. I took me hours to find out why a simple get = localStorage.getItem; don't work.

Here is some extended version of the code posted by @danott:

It'll also implement a delete value from localstorage and shows how to adds a Getter and Setter layer so instead of,

localstorage.setItem(preview, true)

you can write

config.preview = true

Okay, here were go:

var PT=Storage.prototype

if (typeof PT._setItem >='u')
  PT._setItem = PT.setItem;
PT.setItem = function(key, value)
{
  if (typeof value >='u') //..undefined
    this.removeItem(key)
  else
    this._setItem(key, JSON.stringify(value));
}

if (typeof PT._getItem >='u')
  PT._getItem = PT.getItem;
PT.getItem = function(key)
{
  var ItemData = this._getItem(key)
  try
  {
    return JSON.parse(ItemData);
  }
  catch(e)
  {
    return ItemData;
  }
}

// Aliases for localStorage.set/getItem
get = localStorage.getItem.bind(localStorage)
set = localStorage.setItem.bind(localStorage)

// Create ConfigWrapperObject
var config = {}

// Helper to create getter & setter
function configCreate(PropToAdd){
    Object.defineProperty( config, PropToAdd, {
      get: function ()    { return (get(PropToAdd)    )},
      set: function (val) {         set(PropToAdd, val)}
    })
}
//------------------------------

// Usage Part
// Create properties
configCreate('preview')
configCreate('notification')
//...

// Configuration Data transfer
// Set
config.preview = true

// Get
config.preview

// Delete
config.preview = undefined

Well, you may strip the aliases part with .bind(...). However, I just put it in since it's really good to know about this. I took me hours to find out why a simple get = localStorage.getItem; don't work.

Here is some extended version of the code posted by danott:

It'll also implement a delete value from localstorage and shows how to adds a Getter and Setter layer so instead of,

localstorage.setItem(preview, true)

you can write

config.preview = true

Okay, here were go:

var PT=Storage.prototype

if (typeof PT._setItem >='u')
  PT._setItem = PT.setItem;
PT.setItem = function(key, value)
{
  if (typeof value >='u') //..undefined
    this.removeItem(key)
  else
    this._setItem(key, JSON.stringify(value));
}

if (typeof PT._getItem >='u')
  PT._getItem = PT.getItem;
PT.getItem = function(key)
{
  var ItemData = this._getItem(key)
  try
  {
    return JSON.parse(ItemData);
  }
  catch(e)
  {
    return ItemData;
  }
}

// Aliases for localStorage.set/getItem
get = localStorage.getItem.bind(localStorage)
set = localStorage.setItem.bind(localStorage)

// Create ConfigWrapperObject
var config = {}

// Helper to create getter & setter
function configCreate(PropToAdd){
    Object.defineProperty( config, PropToAdd, {
      get: function ()    { return (get(PropToAdd)    )},
      set: function (val) {         set(PropToAdd, val)}
    })
}
//------------------------------

// Usage Part
// Create properties
configCreate('preview')
configCreate('notification')
//...

// Configuration Data transfer
// Set
config.preview = true

// Get
config.preview

// Delete
config.preview = undefined

Well, you may strip the aliases part with .bind(...). However, I just put it in since it's really good to know about this. I took me hours to find out why a simple get = localStorage.getItem; don't work.

Active reading.
Source Link
Peter Mortensen
  • 31.5k
  • 22
  • 110
  • 134

Here is some extentedextended version of the code posted by @danott:

It'll also implement a delete value from localstorage and and shows how to adds a Getter and Setter layer so instead of,

localstorage.setItem(preview, true)

you can write

config.preview = true

Okay, here were go:

var PT=Storage.prototype

if (typeof PT._setItem >='u')
  PT._setItem = PT.setItem;
PT.setItem = function(key, value)
{
  if (typeof value >='u') //..ndefinedundefined
    this.removeItem(key)
  else
    this._setItem(key, JSON.stringify(value));
}

if (typeof PT._getItem >='u')
  PT._getItem = PT.getItem;
PT.getItem = function(key)
{  
  var ItemData = this._getItem(key)
  try
  {
    return JSON.parse(ItemData);
  }
  catch(e)
  {
    return ItemData;
  }
}

// Aliases for localStorage.set/getItem 
get =   localStorage.getItem.bind(localStorage)
set =   localStorage.setItem.bind(localStorage)

// Create ConfigWrapperObject
var config = {}

// Helper to create getter & setter
function configCreate(PropToAdd){
    Object.defineProperty( config, PropToAdd, {
      get: function ()      { return (  get(PropToAdd)      ) },
      set: function (val)   {           set(PropToAdd,  val ) }
    })
}
//------------------------------

// Usage Part
// Create properties
configCreate('preview')
configCreate('notification')
//...

// ConfigConfiguration Data transfer
//set Set
config.preview = true

//get Get
config.preview

// deleteDelete
config.preview = undefined

Well, you may strip the aliases part with .bind(...). However, I just put it in since it's really good to know about this. I tookedtook me hours to find out why a simple get = localStorage.getItem; don't work.

Here some extented version of the code posted by @danott

It'll also implement delete value from localstorage and shows how to adds a Getter and Setter layer so instead of

localstorage.setItem(preview, true)

you can write

config.preview = true

Okay here were go:

var PT=Storage.prototype

if (typeof PT._setItem >='u') PT._setItem = PT.setItem;
PT.setItem = function(key, value)
{
  if (typeof value >='u')//..ndefined
    this.removeItem(key)
  else
    this._setItem(key, JSON.stringify(value));
}

if (typeof PT._getItem >='u') PT._getItem = PT.getItem;
PT.getItem = function(key)
{  
  var ItemData = this._getItem(key)
  try
  {
    return JSON.parse(ItemData);
  }
  catch(e)
  {
    return ItemData;
  }
}

// Aliases for localStorage.set/getItem 
get =   localStorage.getItem.bind(localStorage)
set =   localStorage.setItem.bind(localStorage)

// Create ConfigWrapperObject
var config = {}

// Helper to create getter & setter
function configCreate(PropToAdd){
    Object.defineProperty( config, PropToAdd, {
      get: function ()      { return (  get(PropToAdd)      ) },
      set: function (val)   {           set(PropToAdd,  val ) }
    })
}
//------------------------------

// Usage Part
// Create properties
configCreate('preview')
configCreate('notification')
//...

// Config Data transfer
//set
config.preview = true

//get
config.preview

// delete
config.preview = undefined

Well you may strip the aliases part with .bind(...). However I just put it in since it's really good to know about this. I tooked me hours to find out why a simple get = localStorage.getItem; don't work

Here is some extended version of the code posted by @danott:

It'll also implement a delete value from localstorage and shows how to adds a Getter and Setter layer so instead of,

localstorage.setItem(preview, true)

you can write

config.preview = true

Okay, here were go:

var PT=Storage.prototype

if (typeof PT._setItem >='u')
  PT._setItem = PT.setItem;
PT.setItem = function(key, value)
{
  if (typeof value >='u') //..undefined
    this.removeItem(key)
  else
    this._setItem(key, JSON.stringify(value));
}

if (typeof PT._getItem >='u')
  PT._getItem = PT.getItem;
PT.getItem = function(key)
{
  var ItemData = this._getItem(key)
  try
  {
    return JSON.parse(ItemData);
  }
  catch(e)
  {
    return ItemData;
  }
}

// Aliases for localStorage.set/getItem
get = localStorage.getItem.bind(localStorage)
set = localStorage.setItem.bind(localStorage)

// Create ConfigWrapperObject
var config = {}

// Helper to create getter & setter
function configCreate(PropToAdd){
    Object.defineProperty( config, PropToAdd, {
      get: function ()    { return (get(PropToAdd)    )},
      set: function (val) {         set(PropToAdd, val)}
    })
}
//------------------------------

// Usage Part
// Create properties
configCreate('preview')
configCreate('notification')
//...

// Configuration Data transfer
// Set
config.preview = true

// Get
config.preview

// Delete
config.preview = undefined

Well, you may strip the aliases part with .bind(...). However, I just put it in since it's really good to know about this. I took me hours to find out why a simple get = localStorage.getItem; don't work.

Source Link
Nadu
  • 2.5k
  • 1
  • 28
  • 33

Here some extented version of the code posted by @danott

It'll also implement delete value from localstorage and shows how to adds a Getter and Setter layer so instead of

localstorage.setItem(preview, true)

you can write

config.preview = true

Okay here were go:

var PT=Storage.prototype

if (typeof PT._setItem >='u') PT._setItem = PT.setItem;
PT.setItem = function(key, value)
{
  if (typeof value >='u')//..ndefined
    this.removeItem(key)
  else
    this._setItem(key, JSON.stringify(value));
}

if (typeof PT._getItem >='u') PT._getItem = PT.getItem;
PT.getItem = function(key)
{  
  var ItemData = this._getItem(key)
  try
  {
    return JSON.parse(ItemData);
  }
  catch(e)
  {
    return ItemData;
  }
}

// Aliases for localStorage.set/getItem 
get =   localStorage.getItem.bind(localStorage)
set =   localStorage.setItem.bind(localStorage)

// Create ConfigWrapperObject
var config = {}

// Helper to create getter & setter
function configCreate(PropToAdd){
    Object.defineProperty( config, PropToAdd, {
      get: function ()      { return (  get(PropToAdd)      ) },
      set: function (val)   {           set(PropToAdd,  val ) }
    })
}
//------------------------------

// Usage Part
// Create properties
configCreate('preview')
configCreate('notification')
//...

// Config Data transfer
//set
config.preview = true

//get
config.preview

// delete
config.preview = undefined

Well you may strip the aliases part with .bind(...). However I just put it in since it's really good to know about this. I tooked me hours to find out why a simple get = localStorage.getItem; don't work