app/routes/llms-full[.txt].ts

Functions

Imports

It imports app/db/index.ts, app/lib/context.ts, app/lib/markdown-twin.ts, app/lib/seo.ts. No module of this repo imports it.

Source

1import { listBlogPostsFullText, nextScheduledPublishAt } from "~/db";
2import { getEnv } from "~/lib/context";
3import { canonicalLink } from "~/lib/markdown-twin";
4import {
5  EDGE_CACHE_HEADER,
6  SHARED_CACHE_CONTROL,
7  cacheTags,
8  scheduledEdgeCacheControl,
9} from "~/lib/seo";
10import type { Route } from "./+types/llms-full[.txt]";
11
12/**
13 * Composed from D1 at request time, not a build artifact: it depends on the clock, since a post
14 * scheduled for next week must be absent today and present then.
15 */
16export async function loader({ context }: Route.LoaderArgs) {
17  const env = getEnv(context);
18  const [posts, nextPublishAt] = await Promise.all([
19    listBlogPostsFullText(env),
20    nextScheduledPublishAt(env),
21  ]);
22
23  const sections = posts.map((post) =>
24    [
25      `# ${post.title}`,
26      "",
27      `URL: /writing/${post.slug}`,
28      post.publishAt
29        ? `Published: ${new Date(post.publishAt).toISOString().slice(0, 10)}`
30        : null,
31      post.tags.length > 0 ? `Tags: ${post.tags.join(", ")}` : null,
32      "",
33      post.body.trim(),
34    ]
35      .filter((line) => line !== null)
36      .join("\n"),
37  );
38
39  const body = [
40    "# dustinedwards.info, full post text",
41    "",
42    "Every published post on this site, in markdown, newest first.",
43    "Each post is also served individually at /writing/<slug>.md, and the same",
44    "content is returned from /writing/<slug> with an Accept: text/markdown header.",
45    "",
46    "---",
47    "",
48    sections.join("\n\n---\n\n"),
49    "",
50  ].join("\n");
51
52  return new Response(body, {
53    headers: {
54      "content-type": "text/plain; charset=utf-8",
55      "x-robots-tag": "noindex",
56      link: canonicalLink("/"),
57      "cache-control": SHARED_CACHE_CONTROL,
58      // Lists posts only, so a posts purge (a save, a delete) must reach it.
59      "cache-tag": cacheTags(),
60      [EDGE_CACHE_HEADER]: scheduledEdgeCacheControl(new Date(), nextPublishAt),
61    },
62  });
63}