From 7cdbf7d6e5f412b4a9b88c5d0fa79cd4161c234d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hu=C3=A1ng=20J=C3=B9nli=C3=A0ng?= <jlhwung@gmail.com>
Date: Wed, 14 Sep 2022 17:12:43 -0400
Subject: [PATCH 1/2] fix: runtime-corejs 2 should depend on core-js@2

---
 packages/babel-runtime-corejs2/package.json | 2 +-
 yarn.lock                                   | 9 ++++++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/packages/babel-runtime-corejs2/package.json b/packages/babel-runtime-corejs2/package.json
index 495a87b94146..1e50debae340 100644
--- a/packages/babel-runtime-corejs2/package.json
+++ b/packages/babel-runtime-corejs2/package.json
@@ -14,7 +14,7 @@
   "homepage": "https://babel.dev/docs/en/next/babel-runtime-corejs2",
   "author": "The Babel Team (https://babel.dev/team)",
   "dependencies": {
-    "core-js": "^3.25.1",
+    "core-js": "^2.6.12",
     "regenerator-runtime": "^0.13.4"
   },
   "exports": {
diff --git a/yarn.lock b/yarn.lock
index 5e7c74d9f80a..64675f972f97 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3582,7 +3582,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@babel/runtime-corejs2@workspace:packages/babel-runtime-corejs2"
   dependencies:
-    core-js: ^3.25.1
+    core-js: ^2.6.12
     regenerator-runtime: ^0.13.4
   languageName: unknown
   linkType: soft
@@ -7023,6 +7023,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"core-js@npm:^2.6.12":
+  version: 2.6.12
+  resolution: "core-js@npm:2.6.12"
+  checksum: 44fa9934a85f8c78d61e0c8b7b22436330471ffe59ec5076fe7f324d6e8cf7f824b14b1c81ca73608b13bdb0fef035bd820989bf059767ad6fa13123bb8bd016
+  languageName: node
+  linkType: hard
+
 "core-js@npm:^3.25.1":
   version: 3.25.1
   resolution: "core-js@npm:3.25.1"

From 13de20bf363ed5f6c1ef26172685d165ec6c4dfa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hu=C3=A1ng=20J=C3=B9nli=C3=A0ng?= <jlhwung@gmail.com>
Date: Wed, 14 Sep 2022 19:03:05 -0400
Subject: [PATCH 2/2] Enforces that @babel/runtime-corejs2 must depend on
 core-js 2

---
 constraints.pro | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/constraints.pro b/constraints.pro
index f557c2f4955c..9a5b3650a0ab 100644
--- a/constraints.pro
+++ b/constraints.pro
@@ -92,11 +92,20 @@ gen_enforced_field(WorkspaceCwd, 'exports', '{ ".": "./lib/index.js", "./package
 gen_enforced_field(WorkspaceCwd, 'type', 'commonjs') :-
   \+ workspace_field(WorkspaceCwd, 'type', 'module').
 
-% Enforce a default 'conditions', unless it's already specified
+% Enforces a default 'conditions', unless it's already specified
 gen_enforced_field(WorkspaceCwd, 'conditions', '{ "USE_ESM": [{ "type": "module" }, null] }') :-
   \+ workspace_field(WorkspaceCwd, 'private', true),
   \+ workspace_field(WorkspaceCwd, 'conditions', _),
   \+ workspace_field(WorkspaceCwd, 'main', './lib/index.cjs'),
   % Exclude some packages
   workspace_ident(WorkspaceCwd, WorkspaceIdent),
-  WorkspaceIdent \= '@babel/compat-data'.
\ No newline at end of file
+  WorkspaceIdent \= '@babel/compat-data'.
+
+% Enforces that @babel/runtime-corejs2 must depend on core-js 2
+gen_enforced_dependency(WorkspaceCwd, 'core-js', '^2.6.12', DependencyType) :-
+  % Get the workspace name
+  workspace_ident(WorkspaceCwd, WorkspaceIdent),
+  % Only consider 'dependencies'
+  (DependencyType = 'dependencies'),
+  % The rule works for @babel/runtime-corejs2 only
+  (WorkspaceIdent = '@babel/runtime-corejs2').