rdf-dataset-fragmenter/lib/transform/QuadTransformerSetIriExtension.js

Fragments an RDF dataset into multiple parts

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.QuadTransformerSetIriExtension = void 0;
const rdf_data_factory_1 = require("rdf-data-factory");
const QuadTransformerTerms_1 = require("./QuadTransformerTerms");
const DF = new rdf_data_factory_1.DataFactory();
/**
 * A quad transformer that enforces the configured extension on all named nodes.
 * The given extension should not start with `.`.
 */
class QuadTransformerSetIriExtension extends QuadTransformerTerms_1.QuadTransformerTerms {
    constructor(extension, iriPattern) {
        super();
        this.extension = extension;
        this.iriPattern = iriPattern ? new RegExp(iriPattern, 'u') : undefined;
    }
    transformTerm(term) {
        if (term.termType === 'NamedNode' && (!this.iriPattern || this.iriPattern.test(term.value))) {
            let value = term.value;
            const extensionMatch = /\.[a-z]*$/iu.exec(value);
            if (extensionMatch) {
                value = value.slice(0, value.length - extensionMatch[0].length);
            }
            return DF.namedNode(`${value}.${this.extension}`);
        }
        return term;
    }
}
exports.QuadTransformerSetIriExtension = QuadTransformerSetIriExtension;
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