JayStack OData V4 Server
OData V4 server for node.js
Features
- OASIS Standard OData Version 4.0 server
- usable as a standalone server, as an Express router, as a node.js stream or as a library
- expose service document and service metadata - $metadata
- setup metadata using decorators or metadata JSON
- supported data types are Edm primitives, complex types, navigation properties
- support create, read, update, and delete entity sets, action imports, function imports, collection and entity bound actions and functions
- support for full OData query language using odata-v4-parser
- filtering entities - $filter
- sorting - $orderby
- paging - $skip and $top
- projection of entities - $select
- expanding entities - $expand
- $count
- support sync and async controller functions
- support async controller functions using Promise, async/await or ES6 generator functions
- support result streaming
- support media entities
Controller and server functions parameter injection decorators
- @odata.key
- @odata.filter
- @odata.query
- @odata.context
- @odata.body
- @odata.result
- @odata.stream
Example Northwind server
export class ProductsController extends ODataController{
@odata.GET
find(@odata.filter filter:ODataQuery){
if (filter) return products.filter(createFilter(filter));
return products;
}
@odata.GET
findOne(@odata.key key:string){
return products.filter(product => product._id == key)[0];
}
@odata.POST
insert(@odata.body product:any){
product._id = new ObjectID().toString();
products.push(product);
return product;
}
@odata.PATCH
update(@odata.key key:string, @odata.body delta:any){
let product = products.filter(product => product._id == key)[0];
for (let prop in delta){
product[prop] = delta[prop];
}
}
@odata.DELETE
remove(@odata.key key:string){
products.splice(products.indexOf(products.filter(product => product._id == key)[0]), 1);
}
}
export class CategoriesController extends ODataController{
@odata.GET
find(@odata.filter filter:ODataQuery){
if (filter) return categories.filter(createFilter(filter));
return categories;
}
@odata.GET
findOne(@odata.key key:string){
return categories.filter(category => category._id == key)[0];
}
@odata.POST
insert(@odata.body category:any){
category._id = new ObjectID().toString();
categories.push(category);
return category;
}
@odata.PATCH
update(@odata.key key:string, @odata.body delta:any){
let category = categories.filter(category => category._id == key)[0];
for (let prop in delta){
category[prop] = delta[prop];
}
}
@odata.DELETE
remove(@odata.key key:string){
categories.splice(categories.indexOf(categories.filter(category => category._id == key)[0]), 1);
}
}
@odata.cors
@odata.controller(ProductsController, true)
@odata.controller(CategoriesController, true)
export class NorthwindODataServer extends ODataServer{}
NorthwindODataServer.create("/odata", 3000);