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PLAN.md §13 phase 10, with four decisions of record — D47-D50, taking the count
to fifty. Three were straightforward; the CSP turned into the phase's real work,
because the thing meant to be a configuration flag was broken in a dependency and
broken silently.
D47 — search reaches the marketing pages, and the header gets a box.
Base.astro marks its <main> as a Pagefind body, so all ten join the index the
docs already query, and Search.astro opens it in a <dialog>. Nothing is fetched
until the dialog is opened (the bundle is 120 kB and these pages otherwise ship
almost no JavaScript). Pagefind titles a result from the first <h1>, and these
pages have editorial ones — "The app for a deployment you already use" — so the
index is given the page's short name instead. applyBrand.mjs now re-indexes after
a rewrite, closing a note phase 2 left for this phase.
D48 — the CSP is a real response header, sent by the container. Not a <meta>,
which ignores frame-ancestors, and not advice for someone's reverse proxy, which
puts the strictest promise in §6 outside what this repo tests. Three things
fought it, all the same shape — correct build, broken page, no error:
* Astro does not hash <script is:inline>, and Starlight ships six per docs
page, so the first build with CSP on had a strict header and a dead theme
switcher. The hashes are now generated into src/config/cspHashes.mjs and
checkCsp.mjs verifies every inline block against its own page's policy.
* Expressive Code writes ~3,700 inline style ATTRIBUTES, which cannot be
hashed, hence style-src-attr 'unsafe-inline' — scoped to that directive, so
script-src is untouched.
* @astrojs/node matched a request to a policy with pathname.includes(), a
substring test: /modules/ was served /docs/modules/building-a-module's
policy and rendered with its own stylesheet refused. scripts/serve.mjs keeps
the same _headers.json and matches by equality; test/headers.test.mjs starts
the server and reads the responses, because nothing that reads dist/ can see
this.
D49 — robots.txt allows everything and names the sitemap (there was no way to
find it: no robots.txt, and D9 rules out a search console). D50 — Organization
and SoftwareApplication, no ratings and no docs-wide Article markup.
checkA11y.mjs is the eleventh check: seven structural rules over all fifty pages,
verified by breaking each in turn. The walk at 390/768/1280 found no overflow
anywhere, the CSP violations above, a 17x17 consent checkbox (WCAG 2.2 SC 2.5.8
wants 24), and a skip link that moved the scroll but not the focus.
npm run verify is green: fourteen steps, both test suites, all eleven checks.
Co-Authored-By: Claude <noreply@anthropic.com>
41 lines
1.8 KiB
TypeScript
41 lines
1.8 KiB
TypeScript
import type { APIRoute } from 'astro';
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/**
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* `/robots.txt` (D49, phase 10).
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*
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* The site had a sitemap covering all fifty URLs — Starlight bundles `@astrojs/sitemap`, so
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* it has been written on every build since phase 1 — and nothing that pointed at it. A
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* crawler finds a sitemap two ways: submitted by hand in a search console, or named here.
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* There is no search console for this project (D9's no-analytics posture extends to not
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* having accounts with anyone), so this file is the only way it is ever found.
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*
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* **Everything is allowed.** The site has no authenticated surface at all (§6), so there is
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* no private area to keep out of an index, and the two exclusions worth arguing about were
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* both rejected:
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*
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* - `/brand/*` is derived images and a stylesheet. Nothing links them as pages and they
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* carry no text; disallowing them would only stop an image crawler fetching the OG card
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* that exists to be fetched.
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* - `/beta/` is a live page a person is meant to find. It is the closed test's front door
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* and the nearest real deadline this project has — hiding it from search to keep the
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* signup list small would be solving a problem nobody has.
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*
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* The 404 page is excluded from the *search index* instead (`data-pagefind-ignore`), which
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* is the right layer for it: it is never a URL a crawler is given.
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*
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* Written as a route rather than a file in `public/` so the sitemap URL is derived from
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* `site` in `astro.config.mjs`. A hand-written copy would be one more place the domain is
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* spelled out, and the first thing to go stale if it ever changes.
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*/
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export const GET: APIRoute = ({ site }) =>
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new Response(
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[
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'User-agent: *',
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'Allow: /',
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'',
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`Sitemap: ${new URL('sitemap-index.xml', site)}`,
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'',
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].join('\n'),
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{ headers: { 'Content-Type': 'text/plain; charset=utf-8' } }
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);
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