fix: export default in test environments

docs/Configuration.md

@@ -1066,7 +1066,7 @@ Example:
 
 ```js
 // my-custom-environment
-const NodeEnvironment = require('jest-environment-node');
+const NodeEnvironment = require('jest-environment-node').default;
 
 class CustomEnvironment extends NodeEnvironment {
   constructor(config, context) {

docs/Puppeteer.md

@@ -83,7 +83,7 @@ const fs = require('fs');
 const os = require('os');
 const path = require('path');
 const puppeteer = require('puppeteer');
-const NodeEnvironment = require('jest-environment-node');
+const NodeEnvironment = require('jest-environment-node').default;
 
 const DIR = path.join(os.tmpdir(), 'jest_puppeteer_global_setup');
 

e2e/test-environment-async/TestEnvironment.js

@@ -9,7 +9,7 @@
 
 const fs = require('fs');
 const os = require('os');
-const JSDOMEnvironment = require('jest-environment-jsdom');
+const JSDOMEnvironment = require('jest-environment-jsdom').default;
 const {createDirectory} = require('jest-util');
 
 const DIR = os.tmpdir() + '/jest-test-environment';

e2e/test-environment-circus-async/CircusAsyncHandleTestEventEnvironment.js

@@ -7,7 +7,7 @@
 
 'use strict';
 
-const JSDOMEnvironment = require('jest-environment-jsdom');
+const JSDOMEnvironment = require('jest-environment-jsdom').default;
 
 const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));
 

e2e/test-environment-circus/CircusHandleTestEventEnvironment.js

@@ -7,7 +7,7 @@
 
 'use strict';
 
-const JSDOMEnvironment = require('jest-environment-jsdom');
+const JSDOMEnvironment = require('jest-environment-jsdom').default;
 
 class TestEnvironment extends JSDOMEnvironment {
   handleTestEvent(event) {

e2e/test-environment/DocblockPragmasEnvironment.js

@@ -7,7 +7,7 @@
 
 'use strict';
 
-const JSDOMEnvironment = require('jest-environment-jsdom');
+const JSDOMEnvironment = require('jest-environment-jsdom').default;
 
 class TestEnvironment extends JSDOMEnvironment {
   constructor(config, context) {

e2e/test-environment/EsmDefaultEnvironment.js

@@ -8,7 +8,7 @@
 
 exports.__esModule = true;
 
-const NodeEnvironment = require('jest-environment-node');
+const NodeEnvironment = require('jest-environment-node').default;
 
 class Env extends NodeEnvironment {
   constructor(config, options) {

examples/mongodb/mongo-environment.js

@@ -1,5 +1,5 @@
 // mongo-environment.js
-const NodeEnvironment = require('jest-environment-node');
+const NodeEnvironment = require('jest-environment-node').default;
 
 const path = require('path');
 

packages/jest-environment-jsdom/src/__tests__/jsdom_environment.test.ts

@@ -6,7 +6,7 @@
  */
 
 import {makeProjectConfig} from '@jest/test-utils';
-import JSDomEnvironment = require('../');
+import JSDomEnvironment from '../';
 
 describe('JSDomEnvironment', () => {
   it('should configure setTimeout/setInterval to use the browser api', () => {

packages/jest-environment-jsdom/src/index.ts

@@ -136,4 +136,4 @@ class JSDOMEnvironment implements JestEnvironment {
   }
 }
 
-export = JSDOMEnvironment;
+export default JSDOMEnvironment;

packages/jest-environment-node/src/__tests__/node_environment.test.ts

@@ -6,7 +6,7 @@
  */
 
 import {makeProjectConfig} from '@jest/test-utils';
-import NodeEnvironment = require('../');
+import NodeEnvironment from '../';
 
 const isTextEncoderDefined = typeof TextEncoder === 'function';
 

packages/jest-environment-node/src/index.ts

@@ -117,4 +117,4 @@ class NodeEnvironment implements JestEnvironment {
   }
 }
 
-export = NodeEnvironment;
+export default NodeEnvironment;