0.4.1 • Published 4 years ago
@tpluscode/fun-ddr-sparql-graph-repository v0.4.1
SPARQL Graph Store for fun-ddr
Installation
npm i --save @tpluscode/fun-ddr-sparql-graph-repository hydra-box
Usage
- Create a repository
import rdfFetch from 'hydra-box/lib/rdfFetch'
import { SparqlGraphRepository } from '@tpluscode/fun-ddr-sparql-graph-repository'
import { expand } from '@zazuko/rdf-vocabularies'
const sparqlClient = new SparqlHttp({
endpointUrl,
updateUrl,
fetch: rdfFetch,
})
// The namespace URI for resources
const base = 'http://my.resource.ns/'
// JSON-LD context document for (de)serializing
const context = {
'@vocab': 'https://my.vocabulary.ns/',
name: expand('schema:name'),
}
// A frame used to deserialize triples
const frame = {
'@type': 'Person',
}
export const people = new SparqlGraphRepository<T>(sparqlClient, base, context, frame)
- Use it to retrieve and save aggregates
import { people } from './repository/people'
const person = await people.load('...')
person.mutate(changeLastName)({ newName: 'Doe', reason: 'marriage' })
.commit(people)
.catch(console.error)
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