@tpluscode/rdfine/lib/decorators/property/literal.js

RDF/JS idiomatic, native, effective

import { propertyDecorator } from './decoratorFactory.js';
export default function (options = {}) {
    const type = options.type || String;
    return propertyDecorator({
        ...options,
        fromTerm(obj) {
            return this.env.rdfine().convert.fromLiteral(type, obj);
        },
        toTerm(value) {
            return this.env.rdfine().convert.toLiteral(value, options.datatype);
        },
        valueTypeName: type.name,
        assertSetValue: (value) => {
            if (value instanceof Date) {
                return true;
            }
            if (typeof value === 'object') {
                let term;
                if ('id' in value) {
                    return false;
                }
                if ('term' in value) {
                    term = value.term;
                }
                else {
                    term = value;
                }
                return term.termType === 'Literal';
            }
            return true;
        },
        compare(left, right) {
            return left === right;
        },
    });
}