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fix(db): lazy D1/Hyperdrive binding access #694

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Merged
atinux merged 1 commit into from
Dec 10, 2025
Merged

fix(db): lazy D1/Hyperdrive binding access #694

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27 changes: 22 additions & 5 deletions src/db/setup.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -271,12 +271,20 @@ export { db, schema }
}

if (driver === 'd1') {
// D1 requires binding from environment
// D1 requires lazy binding access - bindings only available in request context on CF Workers
drizzleOrmContent = `import { drizzle } from 'drizzle-orm/d1'
import * as schema from './db/schema.mjs'

const binding = process.env.DB || globalThis.__env__?.DB || globalThis.DB
const db = drizzle(binding, { schema })
let _db
function getDb() {
if (!_db) {
const binding = process.env.DB || globalThis.__env__?.DB || globalThis.DB
if (!binding) throw new Error('DB binding not found')
_db = drizzle(binding, { schema })
}
return _db
}
const db = new Proxy({}, { get(_, prop) { return getDb()[prop] } })
export { db, schema }
`
}
Expand Down Expand Up @@ -337,12 +345,21 @@ export { db, schema }
`
}
if (['postgres-js', 'mysql2'].includes(driver) && hub.hosting.includes('cloudflare')) {
// Hyperdrive requires lazy binding access - bindings only available in request context on CF Workers
const bindingName = driver === 'postgres-js' ? 'POSTGRES' : 'MYSQL'
drizzleOrmContent = `import { drizzle } from 'drizzle-orm/${driver}'
import * as schema from './db/schema.mjs'

const hyperdrive = process.env.${bindingName} || globalThis.__env__?.${bindingName} || globalThis.${bindingName}
const db = drizzle({ connection: hyperdrive.connectionString, schema })
let _db
function getDb() {
if (!_db) {
const hyperdrive = process.env.${bindingName} || globalThis.__env__?.${bindingName} || globalThis.${bindingName}
if (!hyperdrive) throw new Error('${bindingName} binding not found')
_db = drizzle({ connection: hyperdrive.connectionString, schema })
}
return _db
}
const db = new Proxy({}, { get(_, prop) { return getDb()[prop] } })
export { db, schema }
`
}
Expand Down
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