mirror of
https://github.com/supabase/supabase.git
synced 2026-10-09 03:15:06 +03:00
Alaister Young
45797ce96f
Extract rewrite + header generation into a routesFor(prefix) helper so the base-path and root rule sets share one definition. Drop the temporary blanket no-store rule, restore the narrower /api/* and /_serverFn/* no-store rules, and cache /assets/* immutably — those bundles are content-hashed so they're safe to cache forever.
61 lines
2.6 KiB
TypeScript
61 lines
2.6 KiB
TypeScript
import { routes, type VercelConfig } from '@vercel/config/v1'
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// Vite's `base` bakes the prefix into asset URLs but leaves the filesystem
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// layout at `dist/client/...`. On Vercel we strip the prefix for file lookups
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// and fall through to the SPA shell. When NEXT_PUBLIC_BASE_PATH is empty
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// the prefixed rule set is skipped and only the root-level rules fire.
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const basePath = process.env.NEXT_PUBLIC_BASE_PATH ?? ''
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// Build the rewrites + headers for a given prefix ('' for root, or a base
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// path like '/dashboard'). We run this once for each prefix and concatenate
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// the results so we don't hand-duplicate every rule.
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//
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// Rewrite ordering: API + server-function passthrough first so extensioned
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// API paths (/api/foo.json) don't get caught by the asset rule. Asset rule
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// next — it's an identity rewrite that also guards missing files from
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// falling through to the shell (a missing .js should 404, not serve HTML).
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// Shell rule last, catching everything else.
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function routesFor(prefix: string) {
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return {
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rewrites: [
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routes.rewrite(`${prefix}/api/(.*)`, '/api/server'),
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routes.rewrite(`${prefix}/_serverFn/(.*)`, '/api/server'),
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routes.rewrite(`${prefix}/(.*\\.\\w+)`, '/$1'),
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routes.rewrite(`${prefix}/(.*)`, '/_shell'),
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],
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headers: [
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// Dynamic function responses must not be cached by any shared cache —
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// handlers can still opt in with their own Cache-Control on the
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// Response when a response IS safe to cache.
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routes.cacheControl(`${prefix}/api/(.*)`, { private: true, noStore: true }),
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routes.cacheControl(`${prefix}/_serverFn/(.*)`, { private: true, noStore: true }),
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// Hashed bundles under /assets/* are content-addressed — safe to
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// cache forever.
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routes.cacheControl(`${prefix}/assets/(.*)`, {
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public: true,
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maxAge: '1year',
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immutable: true,
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}),
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],
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}
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}
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// When a base path is configured, emit both the prefixed and root rule
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// sets (prefixed first so it wins for explicit /dashboard/* hits, root as
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// a fallback for bare-domain traffic).
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const ruleSets = (basePath ? [basePath, ''] : ['']).map(routesFor)
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export const config: VercelConfig = {
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framework: null,
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outputDirectory: 'dist/client',
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cleanUrls: true,
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rewrites: ruleSets.flatMap((r) => r.rewrites),
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headers: ruleSets.flatMap((r) => r.headers),
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}
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// Belt-and-braces: local @vercel/config CLI reads module.default, but the
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// docs claim Vercel's platform looks for a named `config` export. Export
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// both so whichever path runs wins.
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// eslint-disable-next-line no-restricted-exports
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export default config
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