deal with entry points [skip ci]

Author: SimenB

packages/jest-circus/package.json

@@ -15,7 +15,7 @@
       "default": "./build/index.js"
     },
     "./package.json": "./package.json",
-    "./runner": "./runner.js"
+    "./runner": "./build/runner.js"
   },
   "dependencies": {
     "@jest/environment": "^28.0.0-alpha.8",

packages/jest-circus/runner.js packages/jest-circus/src/runner.ts

@@ -6,5 +6,6 @@
  */
 
 // Allow people to use `jest-circus/runner` as a runner.
-const runner = require('./build/legacy-code-todo-rewrite/jestAdapter').default;
-module.exports = runner;
+import runner from './legacy-code-todo-rewrite/jestAdapter';
+
+export default runner;

packages/pretty-format/package.json

@@ -16,7 +16,7 @@
       "default": "./build/index.js"
     },
     "./package.json": "./package.json",
-    "./ConvertAnsi": "./build/plugins/ConvertAnsi.js"
+    "./ConvertAnsi": "./build/ConvertAnsi.js"
   },
   "author": "James Kyle <[email protected]>",
   "dependencies": {

packages/pretty-format/src/ConvertAnsi.ts

@@ -0,0 +1,8 @@
+/**
+ * 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.
+ */
+
+export {test, serialize} from './plugins/ConvertAnsi';

scripts/buildUtils.js

@@ -62,12 +62,12 @@ function getPackages() {
             Object.assign(mem, {[curr.replace(/\.js$/, '')]: curr}),
           {},
         ),
-        ...(pkg.name === 'jest-circus' ? {'./runner': './runner.js'} : {}),
+        ...(pkg.name === 'jest-circus' ? {'./runner': './build/runner.js'} : {}),
         ...(pkg.name === 'expect'
           ? {'./build/matchers': './build/matchers.js'}
           : {}),
         ...(pkg.name === 'pretty-format'
-          ? {'./ConvertAnsi': './build/plugins/ConvertAnsi.js'}
+          ? {'./ConvertAnsi': './build/ConvertAnsi.js'}
           : {}),
       },
       `Package "${pkg.name}" does not export correct files`,
@@ -163,7 +163,7 @@ function createWebpackConfigs() {
       });
     }
 
-    const extraEntries =
+    const workerEntriesEntries =
       pkg.name === 'jest-worker'
         ? {
             processChild: path.resolve(
@@ -183,14 +183,38 @@ function createWebpackConfigs() {
         ? {testWorker: path.resolve(packageDir, './src/testWorker.ts')}
         : {};
 
+    const extraEntryPoints =
+      // skip expect for now
+      pkg.name === 'expect'
+        ? {}
+        : Object.keys(pkg.exports)
+            .filter(
+              key =>
+                key !== '.' &&
+                key !== './package.json' &&
+                !key.startsWith('./bin'),
+            )
+            .reduce((previousValue, currentValue) => {
+              return {
+                ...previousValue,
+                // skip `./`
+                [currentValue.slice(2)]: path.resolve(
+                  packageDir,
+                  './src',
+                  `${currentValue}.ts`,
+                ),
+              };
+            }, {});
+
     return {
       packageDir,
       pkg,
       webpackConfig: {
         devtool: false,
         entry: {
           index: input,
-          ...extraEntries,
+          ...workerEntriesEntries,
+          ...extraEntryPoints,
         },
         externals: nodeExternals(),
         mode: 'production',
@@ -212,7 +236,7 @@ function createWebpackConfigs() {
           },
           path: path.resolve(packageDir, 'build'),
         },
-        plugins: [new IgnoreDynamicRequire(extraEntries)],
+        plugins: [new IgnoreDynamicRequire(workerEntriesEntries)],
         resolve: {
           extensions: ['.ts', '.js'],
         },