fix: binary scripts should use package exports

CHANGELOG.md

@@ -7,7 +7,8 @@
 ### Fixes
 
 - `[expect]` Add type definitions for asymmetric `closeTo` matcher ([#12304](https://github.com/facebook/jest/pull/12304))
-- `[jest-repl]` Make module importable ([#12311](https://github.com/facebook/jest/pull/12311))
+- `[jest-cli]` Load binary via exported API ([#12315](https://github.com/facebook/jest/pull/12315))
+- `[jest-repl]` Make module importable ([#12311](https://github.com/facebook/jest/pull/12311) & [#12315](https://github.com/facebook/jest/pull/12315))
 
 ### Chore & Maintenance
 

packages/jest-cli/bin/jest.js

@@ -13,5 +13,5 @@ if (!importLocal(__filename)) {
     process.env.NODE_ENV = 'test';
   }
 
-  require('../build/cli').run();
+  require('..').run();
 }

packages/jest-repl/bin/jest-repl.js

@@ -10,4 +10,4 @@ if (process.env.NODE_ENV == null) {
   process.env.NODE_ENV = 'test';
 }
 
-require('../build/cli')();
+require('..').repl();

packages/jest-repl/bin/jest-runtime-cli.js

@@ -10,4 +10,4 @@ if (process.env.NODE_ENV == null) {
   process.env.NODE_ENV = 'test';
 }
 
-require('../build/cli/runtime-cli').run();
+require('..').runtime();

packages/jest-repl/package.json

@@ -7,12 +7,12 @@
     "directory": "packages/jest-repl"
   },
   "license": "MIT",
-  "main": "./build/cli/index.js",
-  "types": "./build/cli/index.d.ts",
+  "main": "./build/index.js",
+  "types": "./build/index.d.ts",
   "exports": {
     ".": {
-      "types": "./build/cli/index.d.ts",
-      "default": "./build/cli/index.js"
+      "types": "./build/index.d.ts",
+      "default": "./build/index.js"
     },
     "./package.json": "./package.json",
     "./bin/jest-repl": "./bin/jest-repl.js",

packages/jest-repl/src/index.ts

@@ -0,0 +1,11 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import replImport = require('./cli');
+
+export const repl = replImport;
+export {run as runtime} from './cli/runtime-cli';