Function migrate

migrate(
    site: SitePhpDurableObject,
    request: Request,
    url: URL,
): Promise<Response>
replays the packed database (or reports it already done), then seeds the serving table
Parameters
- site: SitePhpDurableObject
- request: Request
- url: URL
Returns Promise<Response>
- Defined in src/do/routes/lifecycle.ts:521