Add timing around fetchModule

Author: backspace

Diff for: packages/host/config/fastboot.js

@@ -16,6 +16,7 @@ module.exports = function () {
         Request: globalThis.Request,
         fetch: globalThis.fetch,
         btoa,
+        performance: globalThis.performance,
       });
     },
   };

Diff for: packages/realm-server/fastboot.ts

@@ -36,6 +36,7 @@ export async function makeFastBootIndexRunner(
           getRunnerOpts,
           _logDefinitions: (globalThis as any)._logDefinitions,
           jsdom: new JSDOM(''),
+          performance: globalThis.performance,
         });
       },
     }) as FastBootInstance;
@@ -53,6 +54,7 @@ export async function makeFastBootIndexRunner(
           getRunnerOpts,
           _logDefinitions: (globalThis as any)._logDefinitions,
           jsdom: new JSDOM(''),
+          performance: globalThis.performance,
         });
       },
     ));

Diff for: packages/runtime-common/loader.ts

@@ -2,6 +2,7 @@ import TransformModulesAmdPlugin from 'transform-modules-amd-plugin';
 import { transformSync } from '@babel/core';
 import { Deferred } from './deferred';
 import { trimExecutableExtension, logger } from './index';
+import { time } from './helpers/time';
 
 import { CardError } from './error';
 import flatMap from 'lodash/flatMap';
@@ -278,7 +279,7 @@ export class Loader {
 
       outer_switch: switch (module?.state) {
         case undefined:
-          await this.fetchModule(resolvedURL);
+          await time('fetchModule', this.fetchModule(resolvedURL));
           break;
         case 'fetching':
           await module.deferred.promise;