JayData -The unified data access library for JavaScript

Created Unassigned: Can't use strict mode [1401]

creage — Mon, 03 Jun 2013 09:58:35 GMT

Today I tried to include jaydata in my project, and it was a surprise to me, that it doesn't support stricted mode. In my project I use global strict, which becomes broken after adding a jaydata.js.

Any chance to fix this? Thanks.

Created Release: JayData 1.3.0 - Anniversary Edition (Apr 30, 2013)

JayDataOrg — Tue, 30 Apr 2013 17:13:31 GMT

JayData is a unified data access library for JavaScript to CRUD + Query data from different sources like WebAPI, OData, MongoDB, WebSQL, SQLite, HTML5 localStorage, Facebook or YQL. The library can be integrated with KendoUI, Knockout.js or Sencha Touch 2 and can be used on Node.js as well.

See it in action in this 6 minutes video
KendoUI examples: JayData example site
Examples for map integration JayData example site

What's new in JayData 1.3.0 - Anniversary Edition

For detailed release notes check the release notes.

Geospatial types and functions

Store map data in local databases and query geospatial objects through OData protocol. Manage remote geopatial from JavaScript using JayData syntax, calculate distances, find intersection areas, create location-aware social apps and display POIs on Google/Bing/Leaflet/Nokia maps! Developing your pub-hunter app has never been so easy! Read more abour JayData Geo features

OData v3 features

Beyound the geospatial types, OData provider supports, JSON light format, item- and collection-level actions of OData-enabled WebAPI services. Squize out more from your OData server on the client-side!

northwind.Products.GetDiscountedProducts();
product.Discount(10);

Learn more about OData service operations actions in JayData

Simple EntitySet filter feature with 3 parameters

northwind.Products.filter('Name', '.startsWith", 'Thai')

Read the related blogpost - Simplified filter syntax for simple tasks

Blob data management across many providers

JayData is here for you if you want to retrieve/persist images or any kind of binary data in WebSQL, IndexedDB or via OData

JayData Server edition is here

JayData Server is here for you if you want to set up your own OData endpoint in node.js environment with MongoDB or SQLite support. Why wouldn’t you extend your JayData skillset to the server-side?
JayData Server can be accessed using JayData library or any other OData client and it covers a wide range of features of OData protocol. Read more about JayData Server

Extensible field conversion API

The dev team refactored the type converter module to improve the type checking of the library.

TypeContainers and IoC

Move your types to TypeContainers and resolve them!

$data.Container.registerType('$some.int', $data.Integer);
$data.Container.resolveType('$some.int');

Schema Evolutions (Pro feature)

The schema evolutions gives you an API to migrate your existing WebSQL/SQLite, IndexedDB database to a new structure. Read more about Schema evolutions

Other new features:

WebAPI OData Collection(Edm.String) support
Context.ready property

var context = new myContext({ name: 'webSql' });
  context.ready.then(function () {
    console.log('ready');
  });
});

JayData Server: OData error format in JSON
JayData Server: lazy-loaded properties aren't returned by default, can be retrieved by map()

$data.Class.define('Test.BigData', $data.Entity, null, {
  Id: { type: 'id', key: true, computed: true },
  Name: { type: 'string' },
  Data: { type: 'blob', lazyLoad: true },
  Index: { type: 'int' }
});

MongoDB provider: inlineCount() support
Modular type extension - blogpost coming soon
guid fields can be computed

Changes

CodeParser uses Acorn or Esprima parser to improve performance and reduce file size
Datajs 1.1.1 beta support

Fixes

JayService: Metadata generator: MaxLength info MAX -> Max
Guid represented as string
Fixed kendo array datatype handling
Array properties with elementTypes
Computed key error generates warning if can't compute value
Saving Int64 field with OData provider (context must be re-generated by JaySvcUtil)

Breaking changes

Default database name for SQLite and IndexedDB is changed to JayDataDefault
- This can be overriden by assigning a value to the $data.defaults.defaultDatabaseName global variable

Released: JayData 1.3.0 - Anniversary Edition (Apr 30, 2013)

Tue, 30 Apr 2013 17:13:30 GMT

What's new in JayData 1.3.0 - Anniversary Edition

For detailed release notes check the release notes.

Geospatial types and functions

OData v3 features

northwind.Products.GetDiscountedProducts();
product.Discount(10);

Learn more about OData service operations actions in JayData

Simple EntitySet filter feature with 3 parameters

northwind.Products.filter('Name', '.startsWith", 'Thai')

Read the related blogpost - Simplified filter syntax for simple tasks

Blob data management across many providers

JayData is here for you if you want to retrieve/persist images or any kind of binary data in WebSQL, IndexedDB or via OData

JayData Server edition is here

Extensible field conversion API

The dev team refactored the type converter module to improve the type checking of the library.

TypeContainers and IoC

Move your types to TypeContainers and resolve them!

$data.Container.registerType('$some.int', $data.Integer);
$data.Container.resolveType('$some.int');

Schema Evolutions (Pro feature)

The schema evolutions gives you an API to migrate your existing WebSQL/SQLite, IndexedDB database to a new structure. Read more about Schema evolutions

Other new features:

WebAPI OData Collection(Edm.String) support
Context.ready property

var context = new myContext({ name: 'webSql' });
  context.ready.then(function () {
    console.log('ready');
  });
});

JayData Server: OData error format in JSON
JayData Server: lazy-loaded properties aren't returned by default, can be retrieved by map()

$data.Class.define('Test.BigData', $data.Entity, null, {
  Id: { type: 'id', key: true, computed: true },
  Name: { type: 'string' },
  Data: { type: 'blob', lazyLoad: true },
  Index: { type: 'int' }
});

MongoDB provider: inlineCount() support
Modular type extension - blogpost coming soon
guid fields can be computed

Changes

CodeParser uses Acorn or Esprima parser to improve performance and reduce file size
Datajs 1.1.1 beta support

Fixes

JayService: Metadata generator: MaxLength info MAX -> Max
Guid represented as string
Fixed kendo array datatype handling
Array properties with elementTypes
Computed key error generates warning if can't compute value
Saving Int64 field with OData provider (context must be re-generated by JaySvcUtil)

Breaking changes

Default database name for SQLite and IndexedDB is changed to JayDataDefault
- This can be overriden by assigning a value to the $data.defaults.defaultDatabaseName global variable

Updated Release: JayData 1.3.0 beta (Mar 21, 2013)

JayDataOrg — Thu, 21 Mar 2013 16:58:17 GMT

This is a beta release to show the current status of the new features to the community and provide collaborative testing. This version isn't supposed to be used in production environment!

JayData is a unified data access library for JavaScript to CRUD + Query data from different sources like WebAPI, OData, MongoDB, WebSQL, SQLite, HTML5 localStorage, Facebook or YQL. The library can be integrated with KendoUI, Knockout.js or Sencha Touch 2 and can be used on Node.js as well.

See it in action in this 6 minutes video
KendoUI examples: JayData example site
Sencha Touch 2 example app using JayData: Netflix browser.

What's new in JayData 1.3.0 beta

For detailed release notes check the release notes.

Geospatial types and functions

OData v3 features

Beyound the geospatial types, OData provider supports inherited types, JSON light, item- and collection-level actions of OData-enabled WebAPI services. Squeeze out more from your OData server on the client-side!

30 days Trial of Pro providers

Try the database indexing and transaction management features of JayData IndexedDB Provider Pro and WebSQL/SQLite Provider Pro for free!
We’ve announced the Pro version the IndexedDB and WebSQL provider to improve the performance by index-management, so developers will experience a huge performance boost while operating with more records in enterprise environment. The open-source implementation of the IndexedDB provider involved the in-memory provider to query the IndexedDB records, but the Pro one operates directly on the database indices. Download free trial Pro providers

Read the blogposts related to Pro providers:
Database indices with indexedDb and WebSql/sqLite
Database transaction handling in JayData

Released: JayData 1.3.0 beta (Mar 21, 2013)

Thu, 21 Mar 2013 16:58:17 GMT

What's new in JayData 1.3.0 beta

For detailed release notes check the release notes.

Geospatial types and functions

OData v3 features

30 days Trial of Pro providers

Updated Release: JayData 1.3.0 beta (Mar 21, 2013)

JayDataOrg — Thu, 21 Mar 2013 16:55:40 GMT

What's new in JayData 1.3.0 beta

For detailed release notes check the release notes.

Geospatial types and functions

OData v3 features

30 days Trial of Pro providers

Try the database indexing and transaction management features of JayData IndexedDB Provider Pro and WebSQL/SQLite Provider Pro for free!
We’ve announced the Pro version the IndexedDB and WebSQL provider to improve the performance by index-management, so developers will experience a huge performance boost while operating with more records in enterprise environment. The open-source implementation of the IndexedDB provider involved the in-memory provider to query the IndexedDB records, but the Pro one operates directly on the database indices.

Read the related blogposts:
Database indices with indexedDb and WebSql/sqLite
Database transaction handling in JayData

Updated Release: JayData 1.3.0 beta (Mar 21, 2013)

JayDataOrg — Thu, 21 Mar 2013 16:15:31 GMT

What's new in JayData 1.3.0 beta

For detailed release notes check the release notes.

Geospatial types and functions

OData v3 features

30 days Trial of Pro providers

Try the database indexing and transaction management features of JayData IndexedDB Provider Pro and WebSQL/SQLite Provider Pro for free!
We’ve announced the Pro version the IndexedDB and WebSQL provider to improve the performance by index-management, so developers will experience a huge performance boost while operating with more records in enterprise environment. The open-source implementation of the IndexedDB provider involved the in-memory provider to query the IndexedDB records, but the Pro one operates directly on the database indices.

Read the related blogposts:
Database indices with indexedDb and WebSql/sqLite
Database transaction handling in JayData

Updated Release: JayData 1.3.0 beta (Mar 21, 2013)

JayDataOrg — Thu, 21 Mar 2013 16:14:39 GMT

What's new in JayData 1.3 beta

For detailed release notes check the release notes.

Geospatial types and functions

OData v3 features

30 days Trial of Pro providers

Try the database indexing and transaction management features of JayData IndexedDB Provider Pro and WebSQL/SQLite Provider Pro for free!
We’ve announced the Pro version the IndexedDB and WebSQL provider to improve the performance by index-management, so developers will experience a huge performance boost while operating with more records in enterprise environment. The open-source implementation of the IndexedDB provider involved the in-memory provider to query the IndexedDB records, but the Pro one operates directly on the database indices.

Read the related blogposts:
Database indices with indexedDb and WebSql/sqLite
Database transaction handling in JayData

Created Release: JayData 1.3.0 beta (Mar 21, 2013)

JayDataOrg — Thu, 21 Mar 2013 16:13:54 GMT

What's new in JayData 1.3 beta

For detailed release notes check the release notes.

Geospatial types and functions

OData v3 features

Beyound the geospatial types, OData provider supports inherited types, JSON light, item- and collection-level actions of OData-enabled WebAPI services. Squize out more from your OData server on the client-side!

30 days Trial of Pro providers

Try the database indexing and transaction management features of JayData IndexedDB Provider Pro and WebSQL/SQLite Provider Pro for free!
We’ve announced the Pro version the IndexedDB and WebSQL provider to improve the performance by index-management, so developers will experience a huge performance boost while operating with more records in enterprise environment. The open-source implementation of the IndexedDB provider involved the in-memory provider to query the IndexedDB records, but the Pro one operates directly on the database indices.

Read the related blogposts:
Database indices with indexedDb and WebSql/sqLite
Database transaction handling in JayData

Created Release: JayData 1.2.7.1 (Mar 13, 2013)

JayDataOrg — Wed, 13 Mar 2013 14:06:14 GMT

JayData is a unified data access library for JavaScript to CRUD + Query data from different sources like WebAPI, OData, MongoDB, WebSQL, SQLite, HTML5 localStorage, Facebook or YQL. The library can be integrated with KendoUI, Knockout.js or Sencha Touch 2 and can be used on Node.js as well.

See it in action in this 6 minutes video
KendoUI examples: JayData example site
Sencha Touch 2 example app using JayData: Netflix browser.

What's new in JayData 1.2.7.1

For detailed release notes check the release notes.

New features:

myType.getFieldNames() alias for myType.memberDefinitions.getPublicMappedPropertyNames()

Fixes

OData multiple deep include
Do not set the enableJsonpCallback property if the user doesn't define it

Breaking changes

No breaking changes

Released: JayData 1.2.7.1 (Mar 13, 2013)

Wed, 13 Mar 2013 14:06:14 GMT

JayData is a unified data access library for JavaScript to CRUD + Query data from different sources like WebAPI, OData, MongoDB, WebSQL, SQLite, HTML5 localStorage, Facebook or YQL. The library can be integrated with KendoUI, Knockout.js or Sencha Touch 2 and can be used on Node.js as well.

See it in action in this 6 minutes video
KendoUI examples: JayData example site
Sencha Touch 2 example app using JayData: Netflix browser.

What's new in JayData 1.2.7.1

For detailed release notes check the release notes.

New features:

myType.getFieldNames() alias for myType.memberDefinitions.getPublicMappedPropertyNames()

Fixes

OData multiple deep include
Do not set the enableJsonpCallback property if the user doesn't define it

Breaking changes

No breaking changes

Updated Release: JayData 1.2.7 (Feb 28, 2013)

JayDataOrg — Thu, 28 Feb 2013 14:14:48 GMT

JayData is a unified data access library for JavaScript to CRUD + Query data from different sources like WebAPI, OData, MongoDB, WebSQL, SQLite, HTML5 localStorage, Facebook or YQL. The library can be integrated with KendoUI, Knockout.js or Sencha Touch 2 and can be used on Node.js as well.

See it in action in this 6 minutes video
KendoUI examples: JayData example site
Sencha Touch 2 example app using JayData: Netflix browser.

What's new in JayData 1.2.7

For detailed release notes check the release notes.

KendoUI integration improvements

Check out the live KendoUI-JayData examples!
Build native-like mobile apps and polished websites with KendoUI by leveraging data-management capabilities of JayData. JayData KendoUI module helps you implement two-way databinding with Kendo controls no matter if you use local or cloud storages.

Include JayData KendoUI module:
<script src="scripts/jaydatamodules/kendo.js"></script>

Write your JayData query on any storage and assign the result to the dataSource of Kendo controls:

$("#movieTitleView").kendoMobileListView({
  dataSource: Northwind.Products.filter( function(p) { return p.startsWith("Che"); }).asKendoDataSource()

Default values

Reduce and simplify your code using default values on the entities. Read our article - How to set default values in JayData

Other new features:

SQLite provider supports Array typed fields with default json serialization

	var metas = [{ name: "n", value: "v" }, { name: "n2", value: "v2" }];
	var blog = new $blog.Types.Blog({ Name: "Comment", Metas: metas });
	$blog.Context.Blogs.add(blog);
	$blog.Context.saveChanges(function () { ... });

EntityContext: onready error handling

	context.onReady({
	  error: function (exception) { 
		alert(exception);
	  }
         });

ItemStore save mode strategy, loaded item state is modify at save
SQLite provider now support inserting Id only data rows (no fields beyond Id or all fields are optional and are undefined)

Changes

ModelBinder performance improvements
new entity properties default values just for primitives
ItemStore API: setStore() doesn’t set default store, just when set name to 'default'
ItemStore API: type.storeToken is fallback to type default store
EntityContext: storageModel refactor, EntitySetReference removed

Fixes

WebAPI provider required OData provider to be included
global function call parameter fix in predicates
FireFox CORS fix just for valid requests
OData maxDataServiceVersion header for all requests
ModelBinder fix array detection
InMemory provider: refactoring type converters
InMemory provider: take() with orderByDescending()
StorageProviderLoader.js – changing Math.ceiling() to ceil()
OData provider date converter from ISO date
JaySvcUtil in IE xml parse

Breaking changes

ItemStore API: setStore() doesn’t set the default store, but requires a string parameter

Todo.setStore('default', {
	provider: 'webApi',
    dataSource: '/api/Todo'
});

Released: JayData 1.2.7 (Feb 28, 2013)

Thu, 28 Feb 2013 14:14:48 GMT

JayData is a unified data access library for JavaScript to CRUD + Query data from different sources like WebAPI, OData, MongoDB, WebSQL, SQLite, HTML5 localStorage, Facebook or YQL. The library can be integrated with KendoUI, Knockout.js or Sencha Touch 2 and can be used on Node.js as well.

See it in action in this 6 minutes video
KendoUI examples: JayData example site
Sencha Touch 2 example app using JayData: Netflix browser.

What's new in JayData 1.2.7

For detailed release notes check the release notes.

KendoUI integration improvements

$("#movieTitleView").kendoMobileListView({
  dataSource: Northwind.Products.filter( function(p) { return p.startsWith("Che"); }).asKendoDataSource()

Default values

Reduce and simplify your code using default values on the entities. Read our article - How to set default values in JayData

Other new features:

SQLite provider supports Array typed fields with default json serialization

	var metas = [{ name: "n", value: "v" }, { name: "n2", value: "v2" }];
	var blog = new $blog.Types.Blog({ Name: "Comment", Metas: metas });
	$blog.Context.Blogs.add(blog);
	$blog.Context.saveChanges(function () { ... });

EntityContext: onready error handling

	context.onReady({
	  error: function (exception) { 
		alert(exception);
	  }
         });

ItemStore save mode strategy, loaded item state is modify at save
SQLite provider now support inserting Id only data rows (no fields beyond Id or all fields are optional and are undefined)

Changes

ModelBinder performance improvements
new entity properties default values just for primitives
ItemStore API: setStore() doesn’t set default store, just when set name to 'default'
ItemStore API: type.storeToken is fallback to type default store
EntityContext: storageModel refactor, EntitySetReference removed

Fixes

WebAPI provider required OData provider to be included
global function call parameter fix in predicates
FireFox CORS fix just for valid requests
OData maxDataServiceVersion header for all requests
ModelBinder fix array detection
InMemory provider: refactoring type converters
InMemory provider: take() with orderByDescending()
StorageProviderLoader.js – changing Math.ceiling() to ceil()
OData provider date converter from ISO date
JaySvcUtil in IE xml parse

Breaking changes

ItemStore API: setStore() doesn’t set the default store, but requires a string parameter

Todo.setStore('default', {
	provider: 'webApi',
    dataSource: '/api/Todo'
});

Updated Release: JayData 1.2.7 (Feb 28, 2013)

JayDataOrg — Thu, 28 Feb 2013 14:13:51 GMT

JayData is a unified data access library for JavaScript to CRUD + Query data from different sources like WebAPI, OData, MongoDB, WebSQL, SQLite, HTML5 localStorage, Facebook or YQL. The library can be integrated with KendoUI, Knockout.js or Sencha Touch 2 and can be used on Node.js as well.

See it in action in this 6 minutes video
KendoUI examples: JayData example site
Sencha Touch 2 example app using JayData: Netflix browser.

What's new in JayData 1.2.7

For detailed release notes check the release notes.

KendoUI integration improvements

Check out live KendoUI-JayData examples!
Build native-like mobile apps and polished websites with KendoUI by leveraging data-management capabilities of JayData. JayData KendoUI module helps you implement two-way databinding with Kendo controls no matter if you use local or cloud storages.

Include JayData KendoUI module:
<script src="scripts/jaydatamodules/kendo.js"></script>

Write your JayData query on any storage and assign the result to the dataSource of Kendo controls:

$("#movieTitleView").kendoMobileListView({
  dataSource: Northwind.Products.filter( function(p) { return p.startsWith("Che"); }).asKendoDataSource()

Default values

Reduce and simplify your code using default values on the entities. Read our article - How to set default values in JayData

Other new features:

SQLite provider supports Array typed fields with default json serialization

	var metas = [{ name: "n", value: "v" }, { name: "n2", value: "v2" }];
	var blog = new $blog.Types.Blog({ Name: "Comment", Metas: metas });
	$blog.Context.Blogs.add(blog);
	$blog.Context.saveChanges(function () { ... });

EntityContext: onready error handling

	context.onReady({
	  error: function (exception) { 
		alert(exception);
	  }
         });

ItemStore save mode strategy, loaded item state is modify at save
SQLite provider now support inserting Id only data rows (no fields beyond Id or all fields are optional and are undefined)

Changes

ModelBinder performance improvements
new entity properties default values just for primitives
ItemStore API: setStore() doesn’t set default store, just when set name to 'default'
ItemStore API: type.storeToken is fallback to type default store
EntityContext: storageModel refactor, EntitySetReference removed

Fixes

WebAPI provider required OData provider to be included
global function call parameter fix in predicates
FireFox CORS fix just for valid requests
OData maxDataServiceVersion header for all requests
ModelBinder fix array detection
InMemory provider: refactoring type converters
InMemory provider: take() with orderByDescending()
StorageProviderLoader.js – changing Math.ceiling() to ceil()
OData provider date converter from ISO date
JaySvcUtil in IE xml parse

Breaking changes

ItemStore API: setStore() doesn’t set the default store, but requires a string parameter

Todo.setStore('default', {
	provider: 'webApi',
    dataSource: '/api/Todo'
});

Updated Release: JayData 1.2.7 (Feb 28, 2013)

JayDataOrg — Thu, 28 Feb 2013 13:13:02 GMT

JayData is a unified data access library for JavaScript to CRUD + Query data from different sources like WebAPI, OData, MongoDB, WebSQL, SQLite, HTML5 localStorage, Facebook or YQL. The library can be integrated with KendoUI, Knockout.js or Sencha Touch 2 and can be used on Node.js as well.

See it in action in this 6 minutes video
KendoUI examples: JayData example site
Sencha Touch 2 example app using JayData: Netflix browser.

What's new in JayData 1.2.7

For detailed release notes check the release notes.

KendoUI integration improvements

Build native-like mobile apps and polished websites with KendoUI by leveraging data-management capabilities of JayData. JayData KendoUI module helps you implement two-way databinding with Kendo controls no matter if you use local or cloud storages.

Include JayData KendoUI module:
<script src="scripts/jaydatamodules/kendo.js"></script>

Write your JayData query on any storage and assign the result to the dataSource of Kendo controls:

$("#movieTitleView").kendoMobileListView({
  dataSource: Northwind.Products.filter( function(p) { return p.startsWith("Che"); }).asKendoDataSource()

Default values

Reduce and simplify your code using default values on the entities. Read our article - How to set default values in JayData

Other new features:

SQLite provider supports Array typed fields with default json serialization

	var metas = [{ name: "n", value: "v" }, { name: "n2", value: "v2" }];
	var blog = new $blog.Types.Blog({ Name: "Comment", Metas: metas });
	$blog.Context.Blogs.add(blog);
	$blog.Context.saveChanges(function () { ... });

EntityContext: onready error handling

	context.onReady({
	  error: function (exception) { 
		alert(exception);
	  }
         });

ItemStore save mode strategy, loaded item state is modify at save
SQLite provider now support inserting Id only data rows (no fields beyond Id or all fields are optional and are undefined)

Changes

ModelBinder performance improvements
new entity properties default values just for primitives
ItemStore API: setStore() doesn’t set default store, just when set name to 'default'
ItemStore API: type.storeToken is fallback to type default store
EntityContext: storageModel refactor, EntitySetReference removed

Fixes

WebAPI provider required OData provider to be included
global function call parameter fix in predicates
FireFox CORS fix just for valid requests
OData maxDataServiceVersion header for all requests
ModelBinder fix array detection
InMemory provider: refactoring type converters
InMemory provider: take() with orderByDescending()
StorageProviderLoader.js – changing Math.ceiling() to ceil()
OData provider date converter from ISO date
JaySvcUtil in IE xml parse

Breaking changes

ItemStore API: setStore() doesn’t set the default store, but requires a string parameter

Todo.setStore('default', {
	provider: 'webApi',
    dataSource: '/api/Todo'
});

Updated Release: JayData 1.2.6 (Dec 20, 2012)

JayDataOrg — Thu, 20 Dec 2012 12:09:46 GMT

JayData is a unified data access library for JavaScript to CRUD + Query data from different sources like WebAPI, OData, MongoDB, WebSQL, SqLite, HTML5 localStorage, Facebook or YQL. The library can be integrated with KendoUI, Knockout.js or Sencha Touch 2 and can be used on Node.js as well.

See it in action in this 6 minutes video

What's new in JayData 1.2.6

For detailed release notes check the release notes.

KendoUI integration

<script src="scripts/jaydatamodules/kendo.js"></script>

Write your JayData query on any storage and assign the result to the dataSource of any Kendo control:

$("#movieTitleView").kendoMobileListView({
  dataSource: Northwind.Products.filter("it.Category_ID ==1").asKendoDataSource(),
   template: ...
});

Use JayData EntitySets as a read/write Kendo dataSources - and automate crud.

$('#grid').kendoGrid({
   dataSource: northwindContext.Products.asKendoDataSource(),
   editable: true,
   toolbar: ["create", "save", "cancel"],
});

WebAPI provider

Do you want to access ASP.NET WebAPI services from JavaScript without additional server-side modules? No problem! WebAPI provider for JayData is here.

Todo.setStore('remote', { name: 'webApi', dataSource: '/api/Todos'});
Read the folloging blogpost to learn how can you use JayData with WebAPI: How to use JayData with ASP.NET Web API - I

!! InlineCount() operation in OData provider
Write OData queries, which returns the not just the records but the number of records. This feature makes SharePoint 2013 app development much easier.

Northwind.Products
  .withInlineCount()
  .filter('it.Name.startsWith("Che")')
  .take(1)
  .toArray(function (items) {
    console.log(items.totalCount);
}

Easy paging using next() and prev()

JayData was able to retrieve a portion of records from the server/local storage by take() and skip() functions, now you are able to retrieve the next the previous chunks by accessing the next() and prev() functions of the resultset.

context.Todos.take(5).toArray().then(function (result) {
  result.next().then(function (nextResult) {
    console.log('next 5 todos', nextResult);
  });
});

context.Todos.take(5).skip(10).toArray().then(function (result) {
  result.prev().then(function (prevResult) {
    console.log('previous 5 todos', prevResult);
  });
});

Other new features:

type.create() factory methods in type system
Facebook provider supports length()
describeField, define field if not exsits.
Itemstore API improvements, usability

Changes

JayService: fullRoute from req.baseRoute
upgraded to datajs 1.1.0 (custom modifications has been merged to patched js)
sqLite changed db logic
EntityContext-ItemStore refactor
storeToken can be function or object with typeName and args (for context create)
addMember() can define static properties, with third true parameter
static properties has store- and retriveProperty function, backingfield for value

Fixes

sqLite provider, db drop if changed creation mode
field convert from string: '' value is undefined, not an Exception with invalid value
jaydatamodules validate.js: call fromBinder withour data convert
OData provider: save null value on navigational property, to clear reference
mongoDB regex field operations unary NOT fix

Detailed release notes

Released: JayData 1.2.6 (Dec 20, 2012)

Thu, 20 Dec 2012 12:09:46 GMT

What's new in JayData 1.2.6

For detailed release notes check the release notes.

KendoUI integration

<script src="scripts/jaydatamodules/kendo.js"></script>

Write your JayData query on any storage and assign the result to the dataSource of any Kendo control:

$("#movieTitleView").kendoMobileListView({
  dataSource: Northwind.Products.filter("it.Category_ID ==1").asKendoDataSource(),
   template: ...
});

Use JayData EntitySets as a read/write Kendo dataSources - and automate crud.

$('#grid').kendoGrid({
   dataSource: northwindContext.Products.asKendoDataSource(),
   editable: true,
   toolbar: ["create", "save", "cancel"],
});

WebAPI provider

Northwind.Products
  .withInlineCount()
  .filter('it.Name.startsWith("Che")')
  .take(1)
  .toArray(function (items) {
    console.log(items.totalCount);
}

Easy paging using next() and prev()

context.Todos.take(5).toArray().then(function (result) {
  result.next().then(function (nextResult) {
    console.log('next 5 todos', nextResult);
  });
});

context.Todos.take(5).skip(10).toArray().then(function (result) {
  result.prev().then(function (prevResult) {
    console.log('previous 5 todos', prevResult);
  });
});

Other new features:

type.create() factory methods in type system
Facebook provider supports length()
describeField, define field if not exsits.
Itemstore API improvements, usability

Changes

JayService: fullRoute from req.baseRoute
upgraded to datajs 1.1.0 (custom modifications has been merged to patched js)
sqLite changed db logic
EntityContext-ItemStore refactor
storeToken can be function or object with typeName and args (for context create)
addMember() can define static properties, with third true parameter
static properties has store- and retriveProperty function, backingfield for value

Fixes

sqLite provider, db drop if changed creation mode
field convert from string: '' value is undefined, not an Exception with invalid value
jaydatamodules validate.js: call fromBinder withour data convert
OData provider: save null value on navigational property, to clear reference
mongoDB regex field operations unary NOT fix

Detailed release notes

Updated Wiki: Home

JayDataOrg — Thu, 20 Dec 2012 11:21:43 GMT

About JayData Project

JayData is a unified data access library for JavaScript to CRUD data from different sources like WebSQL, IndexedDB, MongoDb, WebAPI, OData, HTML5 localStorage, Facebook or YQL. The library can be integrated with KendoUI, Knockout.js, Handlebars.js or Sencha Touch 2 and can be used on Node.js as well.

Please visit our website at http://jaydata.org , or read the release notes for the most current information about this project.

New: use JayData as a server

Use your JayData skills to create data centric business apps that run on the server. Read the blogpost about How to install your own oData server with nodejs and mongoDB. You can even try it now online and get your free app at JayStack.com.

Understand JayData in 7 simple steps. (read this article)

Step 1 - Scripts to reference

<!-- optional, only if you need OData -->
<script  type="text/javascript" src="http://include.jaydata.org/datajs-1.0.3.min.js"></script>
<script  type="text/javascript" src="http://include.jaydata.org/jaydata.min.js"></script>

Step 2 - Define data model

Simple model that works online and offline as well. Define your data model:

$data.Entity.extend("Todo", {
    Id: { type: "int", key: true, computed: true },
    Task: { type: String, required: true, maxLength: 200 },
    DueDate: { type: Date },
    Completed: { type: Boolean }
});

$data.EntityContext.extend("TodoDatabase", {
    Todos: { type: $data.EntitySet, elementType: Todo }
});

Step 3 - Initialize the data storage

OData

var todoDB = new TodoDatabase("http://mysite.com/my.svc");

local

var todoDB = new TodoDatabase("MyTodoDatase");

webSQL

var todoDB = new TodoDatabase({ 
    provider: 'webSql', databaseName: 'MyTodoDatabase' 
});

Step 4 - Create data

//Create
var tasks = todoDB.Todos.addMany([
    { Task: 'Step0: Get this this list', Completed: true },
    { Task: 'Step1: Define your data model'},
    { Task: 'Step2: Initialize data storage'}
]);
todoDB.saveChanges(function() {
    tasks.forEach( function(todo) { alert(task.Id) });
});

Step 5 - Working with data

Filter #1

//Filter #1
todoDB.Todos
        .filter( function(todo) {
            return todo.Completed == true ||
                    todo.Task.startsWith("Step2")
        })
        .forEach( function(todo) {
            yourTemplate.render(todo); 
        });

Filter #2

//Filter #2
todoDB.Todos
        .filter("it.Completed || it.task.startsWith('Step2')")
        .forEach( function(todo) {
            yourTemplate.render(todo); 
        });

Step 6 - Remove

//Simple remove
todoDB.Todos.remove(todo);
todoDB.saveChanges();
//Remove in batch
todoDB.Todos
        .removeAll();

Step 7 - Generate some UI with jQuery

//UI with jQuery
todoDB.Todos
        .include("Person")
        .forEach(function(todo) {
            $('#todos')
                .append('<li>' + todo.Task + ',' + todo.Person.Name + '</li>');
        });

CRUD + Query in Javascript !!

Create or modify data with an approach native to JavaScript: create objects, set properties, assign to collections. Create complex inmemory object graphs and let JayData persist it for you to one of the read/write data sources.

JayData provides JavaScript Language Query (JSLQ) as a tool to query local (in-browser and mobile) and remote data sources witha simple, unified query syntax: JavaScript itself. Much like Microsoft .NET developers can utilize Entity Framework and LINQ on server-side to perform operations on data from different databases.

The aim of JayData library is to give a similar level of abstraction with the help of the $data.Expressions API and the JavaScript language itself.

JayData is cross-platform (runs on HTML5 desktop and mobile browsers, can be hosted in PhoneGap environment on iPhone, iPad and Android) and cross-layer as it works on client-side and server-side (Node.JS).

More information about JayData

Walk through the tutorial
Watch videos
Try it out in the Playground
Check out the sample apps.
Ask questions and get answers from Forum.

Join our community, Like us on Facebook and Follow us on Twitter.

Facebook: http://www.facebook.com/JayData
Twitter: https://twitter.com/jaydataorg
YouTube: http://www.youtube.com/jaydataorg

Visit http://jaydata.org for detailed information and documentation.

As JayData covers many technologies and open new fields of development, we encourage you to contribute to the project with new providers or features. Check out the possible ways of contributions here: http://jaydata.org/community/contribute

JavaScript libraries released on CodePlex can be used to develop applications, to get the structured sourcecode to develop JayData itself, visit github.com/jaydata

JayData comes with dual licensing: you can use it under MIT license if ship software software under MIT, but it should be used under GPL if you distribute your software under GPLv2.

Updated Release: JayData 1.2.6 (Dec 20, 2012)

jaydataorg — Thu, 20 Dec 2012 11:19:40 GMT

What's new in JayData 1.2.6

For detailed release notes check the release notes.

KendoUI integration

$("#movieTitleView").kendoMobileListView({
  dataSource: Northwind.Products.filter( function(p) { return p.startsWith("Che"); }).asKendoDataSource()

WebAPI provider

Do you want to access ASP.NET WebAPI services from JavaScript without additional server-side modules? No problem! JayData is here and provides you the unified CRUD syntax, which makes you able to change your WebAPI implementation to OData later.

Todo.setStore('remote', { name: 'webApi', dataSource: '/api/Todos'});
Read the folloging blogpost to learn how can you use JayData with WebAPI: How to use JayData with ASP.NET Web API - I

!! InlineCount() operation in OData provider
Write OData queries, which returns the not just the records but the number of records. This feature makes SharePoint 2013 app development much easier.

Northwind.Products
  .withInlineCount()
  .filter('it.Name.startsWith("Che")')
  .take(1)
  .toArray(function (items) {
    console.log(items.totalCount);
}

The withInlineCount() applies the OData "allpages" parameter by default, but you can specify withInlineCount("none"), which is equivalent to leaving the withInlineCount() from the query.

Easy paging using next() and prev()

context.Todos.take(5).toArray().then(function (result) {
  result.next().then(function (nextResult) {
    console.log('next 5 todos', nextResult);
  });
});

context.Todos.take(5).skip(10).toArray().then(function (result) {
  result.prev().then(function (prevResult) {
    console.log('previous 5 todos', prevResult);
  });
});

Other new features:

type.create() factory methods in type system
Facebook provider supports length()
describeField, define field if not exsits.
Itemstore API improvements, usability

Changes

JayService: fullRoute from req.baseRoute
upgraded to datajs 1.1.0 (custom modifications has been merged to patched js)
sqLite changed db logic
EntityContext-ItemStore refactor
storeToken can be function or object with typeName and args (for context create)
addMember() can define static properties, with third true parameter
static properties has store- and retriveProperty function, backingfield for value

Fixes

sqLite provider, db drop if changed creation mode
field convert from string: '' value is undefined, not an Exception with invalid value
jaydatamodules validate.js: call fromBinder withour data convert
OData provider: save null value on navigational property, to clear reference
mongoDB regex field operations unary NOT fix

Detailed release notes

Updated Release: JayData 1.2.5 (Nov 29, 2012)

jaydataorg — Tue, 04 Dec 2012 11:28:49 GMT

What's new in JayData 1.2.5

For detailed release notes check the release notes.

Handlebars template engine support

Implement data manager applications with JayData using Handlebars.js for templating. Include JayDataModules/handlebars.js and begin typing the mustaches :)
Blogpost: Handlebars templates in JayData
Handlebars helpers and model driven commanding in JayData

Easy JayStorm cloud data management

Manage cloud data using the same syntax and data management concept just like any other data sources! Forget SDKs and BaaS-specific query syntaxes and implement future-proof applications using JayData and JayStorm.
Register to JayStorm Open Edition for free and initialize $data.service() to access your cloud data endpoint! Read JayData/JayStorm starter blogpost

ItemStore API v2

Since now ItemStore API can be used on each providers including local and cloud storages. We want to keep both ItemStore API and JavaScript Language Query (JSLQ) in the future, so you can choose your data access syntax according your taste.
We've extented the ItemStore API with filtering functionality as well. You can choose to use jQuery 1.8.0+ or Q promise/qDeffered.js to make it happen.

Entity operations for LocalStore provider

Query HTML5 localStorage like nobody else before! Filter objects using the following operations startsWith(), endsWith(), contains(), length(), substr(), toLowerCase(), toUpperCase(), trim(), ltrim(), rtrim()

Entity operations for IndexedDB provider

Forget the crazy cursors of IndexedDB API and filter, order, project and page records using JayData ItemStore API or JSLQ, because orderBy(), take(), skip(), first(), single() operations are supported by IndexedDB provider! How cool is that?!

Node.js support on Windows

According to your feature requests JayData can be used on Node.js in Windows environment, too. Install the JayData library from NPM, type require('jaydata') and publish data on the server-side or consume data (with static schema in this case).
Blogpost: Use JayData as oData producer and consumer on windows with nodejs

Events before/after entity modifications

Subscribe to beforeCreate, beforeUpdate, beforeDelete, afterCreate, afterUpdate, afterDelete events of entity types to simplify your data access code.

Todo.addEventListener('beforeCreate', function (source, newTodoItem) {
    newTodoItem.Created = new Date();
});

Other new features:

*OData GUID type support in JayService

JayService: JSONP support
HTML5 compatibility on IE: trimLeft/trimRight
$data.debug, shortcut function to console.log arguments

Changes

JayService: authorization failed response status code is 401
Removed libxmljs dependency from JaySvcUtil
Removed libxmljs dependency from JayService
entity context constructor with string parameter means local provider except sqLite
$data.service returns with promise, config is not a last parameter, backward compatible

Fixes

improved supported storage provider detection
MongoDb provider: order by computer field
XMLHttpRequest-patched for node in windows
entity property async callbacks
sqLite date null value loaded as null
contextToken renamed to storeToken in context instance
file encoding fix in JayStorm.js

Breaking changes

No breaking changes compared to 1.2.3
ItemStore API changes since 1.2.4

Known issues

IndexedDB should be fixed on Android 4.0.4 (other platforms are OK)