[READ-ONLY] Mirror of https://github.com/improsocial/impro
An extensible Bluesky client for web
impro.social
Send 404 for missing assets in cloudflare pages
Grace Kind
(Jul 11, 2026, 1:15 PM -0500)
acc1892b
976cf23b
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eleventy.config.js
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eleventy.config.js
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eleventyConfig.addPassthroughCopy("src/img");
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eleventyConfig.addPassthroughCopy("src/manifest.json");
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eleventyConfig.addPassthroughCopy("src/_headers");
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eleventyConfig.addPassthroughCopy("src/_routes.json");
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eleventyConfig.addPassthroughCopy("src/plugin-sandbox.html");
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// Prevent sandbox from being treated as a template
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functions/_middleware.js
+19
functions/_middleware.js
···
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// Send 404s for missing assets in Cloudflare pages
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const ASSET_EXTENSIONS =
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/\.(m?js|css|json|md|svg|png|jpe?g|gif|webp|ico|woff2?)$/;
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export async function onRequest(context) {
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const response = await context.next();
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const { pathname } = new URL(context.request.url);
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const isHtml = (response.headers.get("Content-Type") || "").includes(
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"text/html",
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);
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if (ASSET_EXTENSIONS.test(pathname) && isHtml) {
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return new Response(`Not found: ${pathname}`, {
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status: 404,
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headers: { "Content-Type": "text/plain; charset=utf-8" },
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});
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}
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return response;
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}