Cors.cors.preflight_req: def of emerging-ezhttp@0.21.0.0
Import: import emerging-ezhttp@0.21.0.0/src/cors.bend as Cors
Lines 274-282 of emerging-ezhttp@0.21.0.0/src/cors.bend: https://jend.leeeet.dev/read.txt?path=emerging-ezhttp@0.21.0.0/src/cors.bend&start_line=274&end_line=282

import Base
import emerging-ezhttp@0.21.0.0/src/http.bend as Http

# preflight from the request's CORS headers
def cors.preflight_req(cfg: Cfg, req: Http.Request) -> Http.Reply:
  match req:
    case Http.Bad{why}:
      Http.Reply{400, [], why}
    case Http.Request{method, target, +headers, body}:
      cors.preflight(cfg, Http.headers.find(headers, "origin"),
        Http.headers.find(headers, "access-control-request-method"),
        Http.headers.find(headers, "access-control-request-headers"))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.21.0.0/src/cors.bend&name=Cfg
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.21.0.0/src/cors.bend&name=cors.preflight
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.21.0.0/src/http.bend&name=Reply
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.21.0.0/src/http.bend&name=Request
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.21.0.0/src/http.bend&name=headers.find