Update package JSONs automatically after stable release is publish

scripts/release/publish-commands/print-follow-up-instructions.js

@@ -25,16 +25,39 @@ const run = async ({cwd, packages, tags}) => {
   );
 
   if (tags.includes('latest')) {
+    console.log();
     console.log(
-      theme.header`\nLocal versions may require updating after a stable release. Please verify the following files:`
+      theme.header`Please review and commit all local, staged changes.`
     );
+
+    console.log();
+    console.log('Version numbers have been updated in the following files:');
     for (let i = 0; i < packages.length; i++) {
       const packageName = packages[i];
       console.log(theme.path`• packages/%s/package.json`, packageName);
     }
     console.log(theme.path`• packages/shared/ReactVersion.js`);
+
+    console.log();
+    if (environment === 'ci') {
+      console.log('Auto-generated error codes have been updated as well:');
+      console.log(theme.path`• scripts/error-codes/codes.json`);
+    } else {
+      console.log(
+        theme`{caution The release that was just published was created locally.} ` +
+          theme`Because of this, you will need to update the generated ` +
+          theme`{path scripts/error-codes/codes.json} file manually:`
+      );
+      console.log(theme`  {command git checkout} {version ${commit}}`);
+      console.log(theme`  {command yarn build -- --extract-errors}`);
+    }
   }
 
+  console.log();
+  console.log(
+    theme`{header Don't forget to update and commit the }{path CHANGELOG}`
+  );
+
   // Prompt the release engineer to tag the commit and update the CHANGELOG.
   // (The script could automatically do this, but this seems safer.)
   console.log();
@@ -49,31 +72,8 @@ const run = async ({cwd, packages, tags}) => {
   );
   console.log(theme.command`  git push origin --tags`);
 
-  if (tags.includes('latest')) {
-    console.log();
-    console.log(
-      theme`{header Don't forget to commit the generated }{path scripts/error-codes/codes.json}`
-    );
-    if (environment === 'ci') {
-      console.log(
-        `This file has been updated locally. Please review it before committing.`
-      );
-    } else {
-      console.log(
-        `The release that was just published was created locally. ` +
-          `Because of this, you will need to update error codes manually with the following commands:`
-      );
-      console.log(theme`  {command git checkout} {version ${commit}}`);
-      console.log(theme`  {command yarn build -- --extract-errors}`);
-    }
-  }
-
-  console.log();
-  console.log(
-    theme`{header Don't forget to update and commit the }{path CHANGELOG}`
-  );
   console.log();
-  console.log(theme.header`Then fill in the release on GitHub:`);
+  console.log(theme.header`Lastly, please fill in the release on GitHub:`);
   console.log(
     theme.link`https://github.com/facebook/react/releases/tag/v%s`,
     version

scripts/release/publish-commands/update-stable-version-numbers.js

@@ -0,0 +1,50 @@
+#!/usr/bin/env node
+
+'use strict';
+
+const {readFileSync, writeFileSync} = require('fs');
+const {readJson, writeJson} = require('fs-extra');
+const {join} = require('path');
+
+const run = async ({cwd, packages, tags}) => {
+  if (!tags.includes('latest')) {
+    // Don't update version numbers for alphas.
+    return;
+  }
+
+  const nodeModulesPath = join(cwd, 'build/node_modules');
+  const packagesPath = join(cwd, 'packages');
+
+  // Update package versions and dependencies (in source) to mirror what was published to NPM.
+  for (let i = 0; i < packages.length; i++) {
+    const packageName = packages[i];
+    const publishedPackageJSON = await readJson(
+      join(nodeModulesPath, packageName, 'package.json')
+    );
+    const sourcePackageJSONPath = join(
+      packagesPath,
+      packageName,
+      'package.json'
+    );
+    const sourcePackageJSON = await readJson(sourcePackageJSONPath);
+    sourcePackageJSON.version = publishedPackageJSON.version;
+    sourcePackageJSON.dependencies = publishedPackageJSON.dependencies;
+    sourcePackageJSON.peerDependencies = publishedPackageJSON.peerDependencies;
+
+    await writeJson(sourcePackageJSONPath, sourcePackageJSON, {spaces: 2});
+  }
+
+  // Update the shared React version source file.
+  const sourceReactVersionPath = join(cwd, 'packages/shared/ReactVersion.js');
+  const {version} = await readJson(
+    join(nodeModulesPath, 'react', 'package.json')
+  );
+  const sourceReactVersion = readFileSync(
+    sourceReactVersionPath,
+    'utf8'
+  ).replace(/module\.exports = '[^']+';/, `module.exports = '${version}';`);
+  writeFileSync(sourceReactVersionPath, sourceReactVersion);
+};
+
+// Run this directly because logPromise would interfere with printing package dependencies.
+module.exports = run;

scripts/release/publish.js

@@ -12,6 +12,7 @@ const parseParams = require('./publish-commands/parse-params');
 const printFollowUpInstructions = require('./publish-commands/print-follow-up-instructions');
 const promptForOTP = require('./publish-commands/prompt-for-otp');
 const publishToNPM = require('./publish-commands/publish-to-npm');
+const updateStableVersionNumbers = require('./publish-commands/update-stable-version-numbers');
 const validateTags = require('./publish-commands/validate-tags');
 
 const run = async () => {
@@ -26,6 +27,7 @@ const run = async () => {
     const otp = await promptForOTP(params);
     await publishToNPM(params, otp);
     await downloadErrorCodesFromCI(params);
+    await updateStableVersionNumbers(params);
     await printFollowUpInstructions(params);
   } catch (error) {
     handleError(error);