app/lib/content/slug.mjs

Functions

Imports

It imports no other module of this repo. Imported by app/components/admin/title-slug-row.tsx, app/lib/admin/posts-actions.server.ts, app/lib/carrel/site-adapter.server.ts, app/lib/content/pipeline.mjs, app/lib/content/url-policy.mjs, app/lib/editor/preview-link-action.server.ts, app/lib/editor/publish.server.ts, app/lib/operator/api.server.ts, app/lib/webmention/urls.mjs, app/routes/admin.posts.$slug.edit.tsx, app/routes/admin.posts.$slug.history.tsx, app/routes/admin.posts.$slug.revisions.tsx, app/routes/admin.preview.ts.

Source

1// Split out of pipeline.mjs so importing a constant does not evaluate the renderer in the Worker;
2// pipeline.mjs re-exports every name here.
3
4export const SLUG_PATTERN = /^[a-z0-9]+(?:-[a-z0-9]+)*$/;
5
6/**
7 * A separate rule, not a lookahead in SLUG_PATTERN, because unanchor() would strip the wrong anchor.
8 * 120 matches the MCP wrapper's slugSchema (another repo): a longer slug there cannot be named.
9 */
10export const SLUG_MAX_LENGTH = 120;
11
12// The browser anchors a pattern attribute implicitly, so the anchors come off.
13export const SLUG_ATTRIBUTE_PATTERN = unanchor(SLUG_PATTERN.source);
14
15/**
16 * String methods on purpose: an anchor-stripping regex is easy to write as a silent no-op.
17 *
18 * @param {string} source
19 * @returns {string}
20 */
21function unanchor(source) {
22  let out = source.startsWith("^") ? source.slice(1) : source;
23  if (out.endsWith("$")) out = out.slice(0, -1);
24  return out;
25}
26
27/**
28 * Lives here, not in publish.server.ts, because the build scripts cannot import a .server file.
29 *
30 * @param {string} slug
31 * @returns {string}
32 */
33export const postPath = (slug) => `content/posts/${slug}.md`;