Head Fields in HTTP #protocol

SyncAdaptor.js

/** slug field: let parent folder create a resource named ${slug} */
const slug = basename(url);

const parentFolder = dirname(pathName);
const parentUrl = `https://${hostName}${parentFolder}`;

/** link field: links saparated by comma, and key-value saparated by semicolon;
 *   type means the suggested content-type, describedby means the suggested meatdata file
 */
const link = `<http://www.w3.org/ns/ldp#Resource>; rel="type", <${slug}.meta>; rel="describedby"`;

const creationResponse: Response = await fetch(parentUrl, {
  method: 'POST',
  headers: { link, slug, 'content-type': contentType },
  body: content,
});