alcaeus/inferences/propertyTypes.js

Hydra Core hypermedia-aware client library

import { hydra, rdf } from '@tpluscode/rdf-ns-builders';
const propertyRangeMappings = [
    [hydra.supportedClass, hydra.Class],
    [hydra.expects, hydra.Class],
    [hydra.returns, hydra.Class],
    [hydra.supportedOperation, hydra.Operation],
    [hydra.operation, hydra.Operation],
    [hydra.supportedProperty, hydra.SupportedProperty],
    [hydra.statusCode, hydra.Status],
    [hydra.property, rdf.Property],
    [hydra.mapping, hydra.IriTemplateMapping],
];
export function* inferTypesFromPropertyRanges(dataset, env) {
    const node = env.clownface({ dataset });
    for (const mapping of propertyRangeMappings) {
        const [property, type] = mapping;
        const subjects = node.out(property);
        for (const subject of subjects.terms) {
            yield env.quad(subject, rdf.type, type);
        }
    }
}