chore: migrate jest-jasmine to ESM (#10906)

CHANGELOG.md

@@ -39,6 +39,7 @@
 - `[jest-console]` [**BREAKING**] Move `root` into `config` and take `GlobalConfig` as mandatory parameter for `getConsoleOutput` ([#10126](https://github.com/facebook/jest/pull/10126))
 - `[jest-fake-timers]` Clarify global behavior of `jest.useFakeTimers` and `jest.useRealTimers` ([#10867](https://github.com/facebook/jest/pull/10867))
 - `[jest-haste-map]` [**BREAKING**] Migrate to ESM ([#10875](https://github.com/facebook/jest/pull/10875))
+- `[jest-jasmine2]` [**BREAKING**] Migrate to ESM ([#10906](https://github.com/facebook/jest/pull/10906))
 - `[jest-repl, jest-runtime]` [**BREAKING**] Move the `jest-runtime` CLI into `jest-repl` ([#10016](https://github.com/facebook/jest/pull/10016))
 - `[jest-resolve]` [**BREAKING**] Migrate to ESM ([#10688](https://github.com/facebook/jest/pull/10688))
 - `[jest-resolve-dependencies]` [**BREAKING**] Migrate to ESM ([#10876](https://github.com/facebook/jest/pull/10876))

packages/jest-jasmine2/src/index.ts

@@ -17,13 +17,13 @@ import {installErrorOnPrivate} from './errorOnPrivate';
 import type Spec from './jasmine/Spec';
 import jasmineAsyncInstall from './jasmineAsyncInstall';
 import JasmineReporter from './reporter';
-import type {Jasmine as JestJasmine} from './types';
+export type {Jasmine} from './types';
 
 const JASMINE = require.resolve('./jasmine/jasmineLight');
 
 const jestEachBuildDir = path.dirname(require.resolve('jest-each'));
 
-async function jasmine2(
+export default async function jasmine2(
   globalConfig: Config.GlobalConfig,
   config: Config.ProjectConfig,
   environment: JestEnvironment,
@@ -211,9 +211,3 @@ const addSnapshotData = (
 
   return results;
 };
-
-declare namespace jasmine2 {
-  export type Jasmine = JestJasmine;
-}
-
-export = jasmine2;