jsonld-map.js

/**
 * @param {Element} el
 */
function parse(el) {
  const parsedJSON = JSON.parse(el.textContent);
  if (Array.isArray(parsedJSON)) return parsedJSON;
  return [parsedJSON];
}

/**
 * @param {Document} document
 * @returns {Map<string, any>}
 */
export function jsonLD(document) {
  const result = new Map();
  for (const script of document.querySelectorAll(
    'script[type="application/ld+json"]'
  )) {
    try {
      for (const obj of parse(script)) {
        const type = obj["@type"];
        if (!type) continue;
        const data = result.get(type) ?? [];
        data.push(obj);
        result.set(type, data);
      }
    } catch (err) {
      console.error("Error in jsonld parse", err);
    }
  }
  return result;
}

jsonld-object.js

/**
 * @param {Element} el
 */
function parse(el) {
  const parsedJSON = JSON.parse(el.textContent);
  if (Array.isArray(parsedJSON)) return parsedJSON;
  return [parsedJSON];
}

/**
 * @param {Document} document
 * @returns {Map<string, any>}
 */
export function jsonLD(document) {
  const result = {};
  for (const script of document.querySelectorAll(
    'script[type="application/ld+json"]'
  )) {
    try {
      for (const obj of parse(script)) {
        const type = obj["@type"];
        const data = result[type] ?? [];
        data.push(obj);
        result[type] = data;
      }
    } catch (err) {
      console.error("Error in jsonld parse", err);
    }
  }
  return result;
}