LDP

This package allows you to setup LDP direct containers in which LDP resources can be manipulated.

Features#

Handles triples, turtle and JSON-LD format
Automatic creation of containers on server start
Full container management: create, attach resources, detach, clear, delete...

Dependencies#

Sub-services#

Install#

$ npm install @semapps/ldp --save

Usage#

const { LdpService } = require('@semapps/ldp');

module.exports = {
  mixins: [LdpService],
  settings: {
    baseUrl: 'http://localhost:3000/',
    ontologies : [
      {
        prefix: 'rdf',
        url: 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'
      },
      {
        prefix: 'ldp',
        url: 'http://www.w3.org/ns/ldp#',
      },
      ...
    ],
    containers: [
      {
        path: '/resources'
      }
    ],
    defaultContainerOptions: {
      // See below
    }
  }
};

Settings#

Property	Type	Default	Description
`baseUrl`	`String`	required	Base URL of the LDP server
`ontologies`	`[Object]`	required	List of ontology used (see example above)
`containers`	`[Object]`	required	List of containers to set up, with their options
`defaultContainerOptions`	`[Object]`		Default options for all containers (see below)

Container options#

Property	Type	Default	Description
`accept`	`String`	`text/turtle`	Type to return (`application/ld+json`, `text/turtle` or `application/n-triples`)
`jsonContext`	`[Any]`		JSON context to use to format results
`dereference`	`[Array]`	`[]`	Properties to dereference, prefixed with their ontology. You can define sub-predicates separated by `/`
`queryDepth`	`Integer`	0	Depth of blank nodes to dereference

API routes#

These routes are automatically added to the ApiGateway service.

Route	Action called
`GET /<container>`	`ldp.container.get`
`POST /<container>`	`ldp.resource.post`
`GET /<container>/<resource>`	`ldp.resource.get`
`PATCH /<container>/<resource>`	`ldp.resource.patch`
`PUT /<container>/<resource>`	`ldp.resource.put`
`DELETE /<container>/<resource>`	`ldp.resource.delete`