Function toJSONObject

lib/utils.js:833–867

(obj)

 * @returns {Object} The JSON-compatible object.
 */
const toJSONObject = (obj) => {
  const visited = new WeakSet();

  const visit = (source) => {
    if (isObject(source)) {
      if (visited.has(source)) {
        return;
      }

      //Buffer check
      if (isBuffer(source)) {
        return source;
      }

      if (!('toJSON' in source)) {
        // add-on descent / delete-on-ascent: preserves path semantics, so DAG nodes serialise at every occurrence (see #7230).
        visited.add(source);
        const target = isArray(source) ? [] : {};

        forEach(source, (value, key) => {
          const reducedValue = visit(value);
          !isUndefined(reducedValue) && (target[key] = reducedValue);
        });

        visited.delete(source);

        return target;
      }
    }

    return source;
  };

  return visit(obj);
};

/**
 * Determines if a value is an async function.