supabase/apps/studio/scripts/patch-vercel-config.ts

// scripts/patch-vercel-config.ts
import { readFileSync, writeFileSync } from 'node:fs'

const basePath = process.env.NEXT_PUBLIC_BASE_PATH || ''
// Normalize: ensure leading slash, no trailing slash
// '' stays '', '/foo/' becomes '/foo', 'foo' becomes '/foo'
const base = basePath ? '/' + basePath.replace(/^\/+|\/+$/g, '') : ''

const path = '.vercel/output/config.json'
const config = JSON.parse(readFileSync(path, 'utf-8'))

config.routes = [
  { src: '/dashboard/organizations', dest: '/dashboard/_shell.html' },
  { handle: 'filesystem' },
]

writeFileSync(path, JSON.stringify(config, null, 2))
console.log(`✓ Patched .vercel/output/config.json (basePath: ${base || '(none)'})`)

const handleCount = config.routes.filter((r: any) => r.handle === 'filesystem').length
if (handleCount !== 1) {
  console.error(`Expected exactly 1 filesystem handle, got ${handleCount}`)
  process.exit(1)
}