@shubhamrasal/groundline/dist/lib/graph-jsonld.js

Groundline GraphDB with IPFS persistence

import { nodes, edges } from './graph-crdt.js';
import { jsonLdContext } from './jsonld-context.js';
/**
 * Converts a single entity to a JSON-LD node
 */
function entityToJsonLd(entity) {
    const jsonLd = {
        "@id": `https://groundline.dev/entity/${entity.id}`,
        "@type": "Entity",
        "name": entity.name,
        "entityType": entity.entityType
    };
    if (entity.observations?.length) {
        jsonLd.observations = entity.observations;
    }
    if (entity.properties) {
        jsonLd.properties = entity.properties;
    }
    return jsonLd;
}
/**
 * Converts a single relation to JSON-LD statements
 */
function relationToJsonLd(relation) {
    return {
        "@id": `https://groundline.dev/relation/${relation.id}`,
        "@type": "Relation",
        "from": `https://groundline.dev/entity/${relation.from}`,
        "to": `https://groundline.dev/entity/${relation.to}`,
        "relationType": relation.relationType,
        ...(relation.properties ? { "properties": relation.properties } : {})
    };
}
/**
 * Converts the entire graph to a JSON-LD document
 */
export function serializeGraphToJsonLD() {
    const graph = [];
    // Convert all nodes to JSON-LD
    for (const [id, node] of nodes.entries()) {
        graph.push(entityToJsonLd(node));
    }
    // Convert all edges to JSON-LD
    for (const [id, edge] of edges.entries()) {
        graph.push(relationToJsonLd(edge));
    }
    return {
        "@context": jsonLdContext["@context"],
        "@graph": graph
    };
}
/**
 * Optional: Validate and compact JSON-LD using jsonld library
 * Note: This requires the jsonld package to be installed
 */
export async function validateAndCompactJsonLD(jsonLdDoc) {
    try {
        const { default: jsonld } = await import('jsonld');
        return await jsonld.compact(jsonLdDoc, jsonLdDoc['@context']);
    }
    catch (error) {
        console.error('Failed to validate/compact JSON-LD:', error);
        return jsonLdDoc;
    }
}
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