Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });

const instrument = require('../../instrument.js');
const options = require('../../options.js');
const request = require('../../request.js');
const instrumentContext = require('../../utils/instrumentContext.js');
const instrumentEnv = require('./instrumentEnv.js');

function instrumentExportedHandlerFetch(handler, optionsCallback) {
  if (!("fetch" in handler) || typeof handler.fetch !== "function") {
    return;
  }
  handler.fetch = instrument.ensureInstrumented(
    handler.fetch,
    (original) => new Proxy(original, {
      apply(target, thisArg, args) {
        const [request$1, env, ctx] = args;
        if (request$1.method === "OPTIONS" || request$1.method === "HEAD") {
          return target.apply(thisArg, args);
        }
        const context = instrumentContext.instrumentContext(ctx);
        const options$1 = options.getFinalOptions(optionsCallback(env), env);
        args[1] = instrumentEnv.instrumentEnv(env, options$1);
        args[2] = context;
        return request.wrapRequestHandler({ options: options$1, request: request$1, context }, () => target.apply(thisArg, args));
      }
    })
  );
}
function instrumentWorkerEntrypointFetch(instance, options, context) {
  if (!instance.fetch) {
    return;
  }
  const original = instance.fetch.bind(instance);
  instance.fetch = new Proxy(original, {
    apply(target, thisArg, args) {
      const [request$1] = args;
      if (request$1.method === "OPTIONS" || request$1.method === "HEAD") {
        return Reflect.apply(target, thisArg, args);
      }
      return request.wrapRequestHandler({ options, request: request$1, context }, () => Reflect.apply(target, thisArg, args));
    }
  });
}

exports.instrumentExportedHandlerFetch = instrumentExportedHandlerFetch;
exports.instrumentWorkerEntrypointFetch = instrumentWorkerEntrypointFetch;
//# sourceMappingURL=instrumentFetch.js.map