Cors.cors.preflight: def of emerging-ezhttp@0.22.0.0
Import: import emerging-ezhttp@0.22.0.0/src/cors.bend as Cors
Lines 195-202 of emerging-ezhttp@0.22.0.0/src/cors.bend: https://jend.leeeet.dev/read.txt?path=emerging-ezhttp@0.22.0.0/src/cors.bend&start_line=195&end_line=202

import Base
import emerging-ezhttp@0.22.0.0/src/http.bend as Http

# OPTIONS preflight (Fetch CORS). Refused origins and methods are 400.
def cors.preflight(cfg: Cfg, origin: String, method: String, req_headers: String)
  -> Http.Reply:
  match cfg:
    case Cfg{+origins, methods, headers, +credentials, max_age, expose}:
      +acao = cors.acao(origins, credentials, origin)
      cors.preflight.denied(acao, methods, headers, credentials, max_age,
        req_headers, method, String.eq(acao, ""))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.eq
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.22.0.0/src/cors.bend&name=Cfg
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.22.0.0/src/cors.bend&name=cors.acao
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.22.0.0/src/cors.bend&name=cors.preflight.denied
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.22.0.0/src/http.bend&name=Reply