chore: Add more Yarn constraints

package.json

@@ -63,7 +63,7 @@
     "babel-plugin-syntax-hermes-parser": "0.25.1",
     "babel-plugin-transform-define": "^2.1.4",
     "babel-plugin-transform-flow-enums": "^0.0.2",
-    "chalk": "^4.0.0",
+    "chalk": "^4.1.2",
     "clang-format": "^1.8.0",
     "connect": "^3.6.5",
     "deep-equal": "1.1.1",

packages/community-cli-plugin/package.json

@@ -25,14 +25,14 @@
   "dependencies": {
     "@react-native/dev-middleware": "workspace:*",
     "@react-native/metro-babel-transformer": "workspace:*",
-    "chalk": "^4.0.0",
+    "chalk": "^4.1.2",
     "debug": "^2.2.0",
     "invariant": "^2.2.4",
     "metro": "^0.81.0",
     "metro-config": "^0.81.0",
     "metro-core": "^0.81.0",
     "readline": "^1.3.0",
-    "semver": "^7.1.3"
+    "semver": "^7.7.2"
   },
   "devDependencies": {
     "metro-resolver": "^0.81.0"

packages/helloworld/package.json

@@ -19,10 +19,10 @@
     "@babel/core": "^7.25.2",
     "@babel/preset-env": "^7.25.3",
     "@babel/runtime": "^7.25.0",
-    "@react-native/babel-preset": "0.77.0-main",
-    "@react-native/core-cli-utils": "0.77.0-main",
-    "@react-native/eslint-config": "0.77.0-main",
-    "@react-native/metro-config": "0.77.0-main",
+    "@react-native/babel-preset": "workspace:*",
+    "@react-native/core-cli-utils": "workspace:*",
+    "@react-native/eslint-config": "workspace:*",
+    "@react-native/metro-config": "workspace:*",
     "chalk": "^4.1.2",
     "commander": "^12.0.0",
     "eslint": "^8.19.0",

packages/react-native-codegen/package.json

@@ -49,7 +49,7 @@
     "@babel/plugin-transform-object-rest-spread": "^7.24.7",
     "@babel/plugin-transform-optional-chaining": "^7.24.8",
     "@babel/preset-env": "^7.25.3",
-    "chalk": "^4.0.0",
+    "chalk": "^4.1.2",
     "hermes-estree": "0.25.1",
     "micromatch": "^4.0.4",
     "prettier": "2.8.8",

packages/react-native-macos-init/package.json

@@ -18,12 +18,12 @@
   },
   "bin": "./bin.js",
   "dependencies": {
-    "chalk": "^3",
+    "chalk": "^4.1.2",
     "find-up": "^4.1.0",
     "npm-registry-fetch": "^14.0.0",
     "prompts": "^2.3.0",
-    "semver": "^7.5.2",
-    "yargs": "^15.1.0"
+    "semver": "^7.7.2",
+    "yargs": "^17.6.2"
   },
   "devDependencies": {
     "@rnx-kit/tsconfig": "^2.0.0",

packages/react-native-popup-menu-android/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@react-native/popup-menu-android",
+  "name": "@react-native-macos/popup-menu-android",
   "version": "0.77.0-main",
   "private": true,
   "description": "PopupMenu for the Android platform",
@@ -23,7 +23,7 @@
   "peerDependencies": {
     "@types/react": "^19.0.0",
     "react": "*",
-    "react-native": "*"
+    "react-native-macos": "workspace:*"
   },
   "peerDependenciesMeta": {
     "@types/react": {

packages/react-native-test-library/package.json

@@ -27,11 +27,12 @@
   "devDependencies": {
     "@babel/core": "^7.25.2",
     "@react-native/babel-preset": "workspace:*",
+    "react": "19.0.0",
     "react-native-macos": "workspace:*"
   },
   "peerDependencies": {
     "react": "*",
-    "react-native-macos": "*"
+    "react-native-macos": "workspace:*"
   },
   "codegenConfig": {
     "name": "OSSLibraryExampleSpec",

packages/react-native/package.json

@@ -110,6 +110,7 @@
     }
   },
   "dependencies": {
+    "@babel/core": "^7.25.2",
     "@jest/create-cache-key-function": "^29.6.3",
     "@react-native-macos/virtualized-lists": "workspace:*",
     "@react-native/assets-registry": "workspace:*",
@@ -124,7 +125,7 @@
     "babel-jest": "^29.7.0",
     "babel-plugin-syntax-hermes-parser": "0.25.1",
     "base64-js": "^1.5.1",
-    "chalk": "^4.0.0",
+    "chalk": "^4.1.2",
     "commander": "^12.0.0",
     "event-target-shim": "^5.0.1",
     "flow-enums-runtime": "^0.0.6",
@@ -141,7 +142,7 @@
     "react-refresh": "^0.14.0",
     "regenerator-runtime": "^0.13.2",
     "scheduler": "0.25.0",
-    "semver": "^7.1.3",
+    "semver": "^7.7.2",
     "stacktrace-parser": "^0.1.10",
     "whatwg-fetch": "^3.0.0",
     "ws": "^6.2.3",
@@ -164,5 +165,8 @@
         "jsSrcsDir": "src"
       }
     ]
+  },
+  "devDependencies": {
+    "react": "19.0.0"
   }
 }

packages/rn-tester/package.json

@@ -27,8 +27,8 @@
     "e2e-test-ios": "./scripts/maestro-test-ios.sh"
   },
   "dependencies": {
+    "@react-native-macos/popup-menu-android": "workspace:*",
     "@react-native/oss-library-example": "workspace:*",
-    "@react-native/popup-menu-android": "workspace:*",
     "flow-enums-runtime": "^0.0.6",
     "invariant": "^2.2.4",
     "nullthrows": "^1.1.1"
@@ -54,6 +54,7 @@
     "@react-native-community/cli": "15.0.0-alpha.2",
     "@react-native-community/cli-platform-android": "15.0.0-alpha.2",
     "@react-native-community/cli-platform-ios": "15.0.0-alpha.2",
+    "react": "19.0.0",
     "react-native-macos": "workspace:*"
   }
 }

packages/virtualized-lists/package.json

@@ -25,16 +25,21 @@
     "nullthrows": "^1.1.1"
   },
   "devDependencies": {
+    "react": "19.0.0",
     "react-test-renderer": "19.0.0"
   },
   "peerDependencies": {
     "@types/react": "^19.0.0",
     "react": "*",
-    "react-native": "*"
+    "react-native": "*",
+    "react-native-macos": "workspace:*"
   },
   "peerDependenciesMeta": {
     "@types/react": {
       "optional": true
+    },
+    "react-native": {
+      "optional": true
     }
   }
 }

tools/api/package.json

@@ -12,7 +12,7 @@
   "license": "MIT",
   "private": true,
   "dependencies": {
-    "chalk": "^4.0.0",
+    "chalk": "^4.1.2",
     "glob": "^7.1.1",
     "ini": "^5.0.0"
   }

yarn.config.cjs

@@ -9,6 +9,157 @@ const {defineConfig} = require('@yarnpkg/types');
  * @typedef {import('@yarnpkg/types').Yarn.Constraints.Dependency} Dependency
  */
 
+const IGNORE_CONSISTENT_DEPENDENCIES_FOR = new Set([
+  `.`,
+  `packages/docusaurus`,
+]);
+
+/**
+ * This rule will enforce that a workspace MUST depend on the same version of a dependency as the one used by the other workspaces
+ * We allow Docusaurus to have different dependencies for now; will be addressed later (when we remove Gatsby)
+ * @param {Context} context
+ */
+function enforceConsistentDependenciesAcrossTheProject({Yarn}) {
+  for (const dependency of Yarn.dependencies()) {
+    if (IGNORE_CONSISTENT_DEPENDENCIES_FOR.has(dependency.workspace.cwd))
+      continue;
+
+    if (dependency.type === `peerDependencies`)
+      continue;
+
+    for (const otherDependency of Yarn.dependencies({ident: dependency.ident})) {
+      if (IGNORE_CONSISTENT_DEPENDENCIES_FOR.has(otherDependency.workspace.cwd))
+        continue;
+
+      if (otherDependency.type === `peerDependencies`)
+        continue;
+
+      if ((dependency.type === `devDependencies` || otherDependency.type === `devDependencies`) && Yarn.workspace({ident: otherDependency.ident}))
+        continue;
+
+      dependency.update(otherDependency.range);
+    }
+  }
+}
+
+/**
+ * This rule will enforce that a workspace MUST depend on the same version of a dependency as the one used by the other workspaces
+ * We allow Docusaurus to have different dependencies for now; will be addressed later (when we remove Gatsby)
+ * @param {Context} context
+ */
+function enforceWorkspaceDependenciesWhenPossible({Yarn}) {
+  for (const dependency of Yarn.dependencies()) {
+    if (!Yarn.workspace({ident: dependency.ident}))
+      continue;
+
+    dependency.update(`workspace:*`);
+  }
+}
+
+/**
+ * @param {Context} context
+ * @param {string} ident
+ * @param {string} explanation
+ */
+function forbidDependency({Yarn}, ident, explanation) {
+  for (const dependency of Yarn.dependencies({ident})) {
+    dependency.error(explanation);
+  }
+}
+
+/**
+ * @param {Context} context
+ * @param {Record<string, ((workspace: Workspace) => any) | string>} fields
+ */
+function enforceFieldsOnAllWorkspaces({Yarn}, fields) {
+  for (const workspace of Yarn.workspaces()) {
+    for (const [field, value] of Object.entries(fields)) {
+      workspace.set(field, typeof value === `function` ? value(workspace) : value);
+    }
+  }
+}
+
+/**
+ * @param {Context} context
+ * @param {string} ident
+ * @param {string} otherIdent
+ * @param {boolean} mustExist
+ */
+function enforceDependencyRelationship({Yarn}, ident, otherIdent, mustExist) {
+  for (const dependency of Yarn.dependencies({ident})) {
+    if (dependency.type === `peerDependencies`)
+      continue;
+
+    const hasOtherDependency = Yarn.dependency({
+      workspace: dependency.workspace,
+      ident: otherIdent,
+    });
+
+    if (mustExist) {
+      if (hasOtherDependency)
+        continue;
+
+      dependency.error(`The presence of ${ident} in ${dependency.type} mandates the presence of ${otherIdent}`);
+    } else {
+      if (!hasOtherDependency)
+        continue;
+
+      dependency.error(`The presence of ${ident} in ${dependency.type} forbids the presence of ${otherIdent}`);
+    }
+  }
+}
+
+
+/**
+ * Validate that all peer dependencies are provided. If one isn't, the
+ * constraint will try to fix it by looking at what's used in the other
+ * workspaces of the project. If it doesn't find any way to satisfy the
+ * dependency, it will generate an error.
+ *
+ * @param {Context} context
+ */
+function enforcePeerDependencyPresence({Yarn}) {
+  for (const workspace of Yarn.workspaces()) {
+    // The Gatsby website is pretty much deprecated anyway
+    if (workspace.cwd === `packages/gatsby`)
+      continue;
+
+    for (const dependency of Yarn.dependencies({workspace})) {
+      if (dependency.type === `peerDependencies`)
+        continue;
+
+      if (!dependency.resolution)
+        continue;
+
+      for (const peerName of dependency.resolution.peerDependencies.keys()) {
+        // Webpack plugins have peer dependencies but don't often need it; weird
+        if (peerName === `webpack`)
+          continue;
+
+        if (dependency.resolution.dependencies.has(peerName))
+          continue;
+
+        const otherDeps = Yarn.dependencies({ident: peerName})
+          .filter(otherDep => otherDep.type !== `peerDependencies`);
+
+        if (otherDeps.length === 0)
+          workspace.error(`Missing dependency on ${peerName} (required by ${dependency.ident})`);
+
+        // If the workspace has itself a peer dependency of the same name, then
+        // we assume that it'll be fulfilled by its ancestors in the dependency
+        // tree, so we only need to add the dependency to devDependencies.
+        const autofixTarget = Yarn.dependency({workspace, ident: peerName, type: `peerDependencies`})
+          ? `devDependencies`
+          : `dependencies`;
+
+        for (const otherDep of otherDeps) {
+          workspace.set([autofixTarget, peerName], otherDep.range);
+        }
+      }
+    }
+  }
+}
+
 /**
  * Enforce that react-native-macos declares a peer dependency on react-native on release branches,
  * except on the main branch, where there is no published version of React Native to align to.
@@ -109,8 +260,26 @@ function enforceReactNativeMacosVersionConsistency({Yarn}) {
 
 module.exports = defineConfig({
   constraints: async ctx => {
+    // Constraints copied from the Yarn monorepo
+    enforceConsistentDependenciesAcrossTheProject(ctx);
+    enforceWorkspaceDependenciesWhenPossible(ctx);
+    enforcePeerDependencyPresence(ctx);
+    // enforceFieldsOnAllWorkspaces(ctx, {
+    //   license: `MIT`,
+    //   // When changing the engines.node value check https://node.green/ for
+    //   // which ECMAScript version is fully supported and update the following files as needed:
+    //   // - tsconfig.json
+    //   // - packages/eslint-config/index.js
+    //   // - packages/yarnpkg-builder/sources/commands/new/plugin.ts
+    //   [`engines.node`]: `>=18.12.0`,
+    //   [`repository.type`]: `git`,
+    //   [`repository.url`]: `git+https://github.com/yarnpkg/berry.git`,
+    //   [`repository.directory`]: workspace => workspace.cwd,
+    // });
+
+    // React Native macOS specific constraints
     expectReactNativePeerDependency(ctx);
     enforceReactNativeVersionConsistency(ctx);
     enforceReactNativeMacosVersionConsistency(ctx);
   },
-});
+});