chore(expect): expose default matchers (#11932)

Author: mxschmitt

CHANGELOG.md

@@ -13,6 +13,8 @@
 
 ### Chore & Maintenance
 
+- `[expect]` Export default matchers ([#11932](https://github.com/facebook/jest/pull/11932))
+
 ### Performance
 
 ## 27.2.4

packages/expect/package.json

@@ -12,7 +12,8 @@
   "exports": {
     ".": "./build/index.js",
     "./package.json": "./package.json",
-    "./build/utils": "./build/utils.js"
+    "./build/utils": "./build/utils.js",
+    "./build/matchers": "./build/matchers.js"
   },
   "dependencies": {
     "@jest/types": "^27.2.4",

scripts/buildUtils.js

@@ -52,7 +52,12 @@ module.exports.getPackages = function getPackages() {
           {},
         ),
         ...(pkg.name === 'jest-circus' ? {'./runner': './runner.js'} : {}),
-        ...(pkg.name === 'expect' ? {'./build/utils': './build/utils.js'} : {}),
+        ...(pkg.name === 'expect'
+          ? {
+              './build/matchers': './build/matchers.js',
+              './build/utils': './build/utils.js',
+            }
+          : {}),
       },
       `Package ${pkg.name} does not export correct files`,
     );