fix: export globals as values, not types (#9925)

Author: SimenB

CHANGELOG.md

@@ -4,6 +4,8 @@
 
 ### Fixes
 
+- `[jest-globals]` Export globals as values, not types ([#9925](https://github.com/facebook/jest/pull/9925))
+
 ### Chore & Maintenance
 
 ### Performance

packages/jest-globals/src/index.ts

@@ -9,22 +9,22 @@ import importedExpect = require('expect');
 import type {Jest} from '@jest/environment';
 import type {Global} from '@jest/types';
 
-export declare type jest = Jest;
+export declare const jest: Jest;
 
-export declare type expect = typeof importedExpect;
+export declare const expect: typeof importedExpect;
 
-export declare type it = Global.GlobalAdditions['it'];
-export declare type test = Global.GlobalAdditions['test'];
-export declare type fit = Global.GlobalAdditions['fit'];
-export declare type xit = Global.GlobalAdditions['xit'];
-export declare type xtest = Global.GlobalAdditions['xtest'];
-export declare type describe = Global.GlobalAdditions['describe'];
-export declare type xdescribe = Global.GlobalAdditions['xdescribe'];
-export declare type fdescribe = Global.GlobalAdditions['fdescribe'];
-export declare type beforeAll = Global.GlobalAdditions['beforeAll'];
-export declare type beforeEach = Global.GlobalAdditions['beforeEach'];
-export declare type afterEach = Global.GlobalAdditions['afterEach'];
-export declare type afterAll = Global.GlobalAdditions['afterAll'];
+export declare const it: Global.GlobalAdditions['it'];
+export declare const test: Global.GlobalAdditions['test'];
+export declare const fit: Global.GlobalAdditions['fit'];
+export declare const xit: Global.GlobalAdditions['xit'];
+export declare const xtest: Global.GlobalAdditions['xtest'];
+export declare const describe: Global.GlobalAdditions['describe'];
+export declare const xdescribe: Global.GlobalAdditions['xdescribe'];
+export declare const fdescribe: Global.GlobalAdditions['fdescribe'];
+export declare const beforeAll: Global.GlobalAdditions['beforeAll'];
+export declare const beforeEach: Global.GlobalAdditions['beforeEach'];
+export declare const afterEach: Global.GlobalAdditions['afterEach'];
+export declare const afterAll: Global.GlobalAdditions['afterAll'];
 
 throw new Error(
   'Do not import `@jest/globals` outside of the Jest test environment',

packages/jest-runtime/src/index.ts

@@ -54,8 +54,8 @@ import Snapshot = require('jest-snapshot');
 import stripBOM = require('strip-bom');
 
 interface JestGlobalsValues extends Global.TestFrameworkGlobals {
-  jest: JestGlobals.jest;
-  expect: JestGlobals.expect;
+  jest: typeof JestGlobals.jest;
+  expect: typeof JestGlobals.expect;
 }
 
 type HasteMapOptions = {