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fix(demo): exempt landing routes from COEP so the Cal.com booker loads on soft nav #6110

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Merged
TheodoreSpeaks merged 1 commit into from
Jul 31, 2026
Merged

fix(demo): exempt landing routes from COEP so the Cal.com booker loads on soft nav #6110

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52 changes: 47 additions & 5 deletions apps/sim/next.config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,38 @@ const minimalRegistryAlias: Record<string, string> = useMinimalRegistry
}
: {}

/**
* Marketing routes (`app/(landing)/**`, plus the root) exempted from COEP.
*
* COEP is a *document* header and is inherited across client-side `<Link>`
* navigations, so `/demo`'s own exemption only applies on a direct load. Any
* landing page left isolated soft-navigates into `/demo` still credentialless,
* where the Cal.com booker iframe loads uncredentialed and hangs forever.
* Every route under `app/(landing)` must be listed here.
*/
const LANDING_ROUTES = [
'blog',
'careers',
'changelog',
'comparisons',
'contact',
'demo',
'enterprise',
'files',
'integrations',
'knowledge',
'library',
'logs',
'models',
'pricing',
'privacy',
'scheduled-tasks',
'solutions',
'tables',
'terms',
'workflows',
] as const

const nextConfig: NextConfig = {
devIndicators: false,
poweredByHeader: false,
Expand Down Expand Up @@ -255,20 +287,30 @@ const nextConfig: NextConfig = {
],
},
{
// Exclude Vercel internal resources and static assets from strict COEP, Google Drive Picker
// Exclude Vercel internal resources and static assets from strict COOP, Google Drive Picker
// and the /demo Cal.com booking embed to prevent 'refused to connect' / slow-load issues
source: '/((?!_next|_vercel|api|favicon.ico|w/.*|workspace/.*|api/tools/drive|demo).*)',
headers: [
{
key: 'Cross-Origin-Embedder-Policy',
value: 'credentialless',
},
{
key: 'Cross-Origin-Opener-Policy',
value: 'same-origin',
},
],
},
{
// COEP stays on by default - a new route is cross-origin isolated unless
// it is named here. The exemptions are the app surfaces that embed
// credentialed third parties (Drive Picker, Vercel resources) and the
// marketing surface, which must opt out wholesale: see LANDING_ROUTES.
// The trailing `|$` exempts the root path.
source: `/((?!_next|_vercel|api|favicon.ico|w/.*|workspace/.*|api/tools/drive|${LANDING_ROUTES.join('|')}|$).*)`,
headers: [
{
key: 'Cross-Origin-Embedder-Policy',
value: 'credentialless',
},
],
},
{
// For main app routes, Google Drive Picker, the /demo Cal.com embed, and Vercel resources - use permissive policies
source: '/(w/.*|workspace/.*|api/tools/drive|demo.*|_next/.*|_vercel/.*)',
Expand Down
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