alinea/dist/adapter/core/preview.js

Headless git-based CMS

import {
  parse
} from "../../chunks/chunk-5LTN67OE.js";
import "../../chunks/chunk-NZLE2WMY.js";

// src/adapter/core/preview.tsx
import { getPreviewPayloadFromCookies } from "alinea/preview/PreviewCookies";
import { previewStore } from "./previewContext.js";
async function preview(cms, request, run) {
  const { AsyncLocalStorage } = await import("node:async_hooks");
  const storage = previewStore.get(cms) ?? new AsyncLocalStorage();
  previewStore.set(cms, storage);
  const context = {};
  const searchParams = new URL(request.url).searchParams;
  const previewToken = searchParams.get("preview");
  const cookieHeader = request.headers.get("cookie");
  if (previewToken && cookieHeader) {
    const cookies = parse(cookieHeader);
    const payload = getPreviewPayloadFromCookies(
      Object.entries(cookies).map(([name, value]) => ({ name, value }))
    );
    if (payload) context.preview = { payload };
  }
  return storage.run(context, run);
}
export {
  preview
};