[babel-preset-jest] Allow Babel 8 as a peer dep

Author: nicolo-ribaudo

packages/babel-preset-jest/index.js

@@ -5,11 +5,12 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-const jestPreset = {
-  plugins: [require.resolve('babel-plugin-jest-hoist')],
-  presets: [require.resolve('babel-preset-current-node-syntax')],
-};
+const jestHoist = require.resolve('babel-plugin-jest-hoist');
+const currentNodeSyntax = require.resolve('babel-preset-current-node-syntax');
 
-// @babel/core requires us to export a function
-const jestPresetPlugin = () => jestPreset;
-module.exports = jestPresetPlugin;
+module.exports = api => {
+  if (api.version && api.version.startsWith('8.')) {
+    return {plugins: [jestHoist]};
+  }
+  return {plugins: [jestHoist], presets: [currentNodeSyntax]};
+};

packages/babel-preset-jest/package.json

@@ -14,10 +14,10 @@
   },
   "dependencies": {
     "babel-plugin-jest-hoist": "workspace:*",
-    "babel-preset-current-node-syntax": "^1.1.0"
+    "babel-preset-current-node-syntax": "^1.1.1"
   },
   "peerDependencies": {
-    "@babel/core": "^7.11.0"
+    "@babel/core": "^7.11.0 || ^8.0.0-beta.1"
   },
   "engines": {
     "node": "^18.14.0 || ^20.0.0 || ^22.0.0 || >=24.0.0"

yarn.lock

@@ -8202,14 +8202,39 @@ __metadata:
   languageName: node
   linkType: hard
 
+"babel-preset-current-node-syntax@npm:^1.1.1":
+  version: 1.1.1
+  resolution: "babel-preset-current-node-syntax@npm:1.1.1"
+  dependencies:
+    "@babel/plugin-syntax-async-generators": "npm:^7.8.4"
+    "@babel/plugin-syntax-bigint": "npm:^7.8.3"
+    "@babel/plugin-syntax-class-properties": "npm:^7.12.13"
+    "@babel/plugin-syntax-class-static-block": "npm:^7.14.5"
+    "@babel/plugin-syntax-import-attributes": "npm:^7.24.7"
+    "@babel/plugin-syntax-import-meta": "npm:^7.10.4"
+    "@babel/plugin-syntax-json-strings": "npm:^7.8.3"
+    "@babel/plugin-syntax-logical-assignment-operators": "npm:^7.10.4"
+    "@babel/plugin-syntax-nullish-coalescing-operator": "npm:^7.8.3"
+    "@babel/plugin-syntax-numeric-separator": "npm:^7.10.4"
+    "@babel/plugin-syntax-object-rest-spread": "npm:^7.8.3"
+    "@babel/plugin-syntax-optional-catch-binding": "npm:^7.8.3"
+    "@babel/plugin-syntax-optional-chaining": "npm:^7.8.3"
+    "@babel/plugin-syntax-private-property-in-object": "npm:^7.14.5"
+    "@babel/plugin-syntax-top-level-await": "npm:^7.14.5"
+  peerDependencies:
+    "@babel/core": ^7.0.0 || ^8.0.0-0
+  checksum: 10/4f8a4ee7e8d2f3848a9c67c3d30432be72c0baae7360c43f5f5511edbb745b3fcdec08aa874af53a39f2ffcac822a39473aed06091f044cf58ed9a358b5972b2
+  languageName: node
+  linkType: hard
+
 "babel-preset-jest@workspace:*, babel-preset-jest@workspace:packages/babel-preset-jest":
   version: 0.0.0-use.local
   resolution: "babel-preset-jest@workspace:packages/babel-preset-jest"
   dependencies:
     babel-plugin-jest-hoist: "workspace:*"
-    babel-preset-current-node-syntax: "npm:^1.1.0"
+    babel-preset-current-node-syntax: "npm:^1.1.1"
   peerDependencies:
-    "@babel/core": ^7.11.0
+    "@babel/core": ^7.11.0 || ^8.0.0-beta.1
   languageName: unknown
   linkType: soft