feat(react-native-github): automate publishing bumped packages via circleci (#35621)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/35621

Changelog: [Internal]

1. Added `for-each-package.js` script. This can be used to iterate through all of the packages inside `/packages` with the access to package manifest. This soon can be used as a replacement for `yarn workspaces --info`
2. Added `find-and-publish-all-bumped-packages.js` script. This script iterates through all the packages and detects if the version was changed via `git log -p` (same as `git diff`). If so, it tries to publish it to npm.
3. Added corresponding job and workflow to CircleCI config, which will use this script

Reviewed By: cortinico

Differential Revision: D41972733

fbshipit-source-id: c5d0ed5b852b744a699ecb88861ea3e82200e1f3

.circleci/config.yml

@@ -34,6 +34,18 @@ references:
     attach_workspace:
       at: *hermes_workspace_root
 
+  main_only: &main_only
+    filters:
+      branches:
+        only: main
+  main_or_stable_only: &main_or_stable_only
+    filters:
+      branches:
+        only:
+          - main
+          - /0\.[0-9]+[\.[0-9]+]?-stable/
+
+
   # -------------------------
   #        Dependency Anchors
   # -------------------------
@@ -1561,6 +1573,17 @@ jobs:
           command: |
             echo "Nightly build run"
 
+  find_and_publish_bumped_packages:
+    executor: reactnativeandroid
+    steps:
+      - checkout
+      - run:
+          name: Set NPM auth token
+          command: echo "//registry.npmjs.org/:_authToken=${CIRCLE_NPM_TOKEN}" > ~/.npmrc
+      - run:
+          name: Find and publish all bumped packages
+          command: node ./scripts/monorepo/find-and-publish-all-bumped-packages.js
+
 
 # -------------------------
 #        PIPELINE PARAMETERS
@@ -1749,11 +1772,8 @@ workflows:
     unless: << pipeline.parameters.run_package_release_workflow_only >>
     triggers:
       - schedule:
+          <<: *main_only
           cron: "0 20 * * *"
-          filters:
-            branches:
-              only:
-                - main
     jobs:
       - nightly_job
 
@@ -1776,3 +1796,8 @@ workflows:
             - build_hermesc_linux
             - build_hermes_macos
             - build_hermesc_windows
+
+  publish_bumped_packages:
+    jobs:
+      - find_and_publish_bumped_packages:
+          <<: *main_or_stable_only

scripts/__tests__/find-and-publish-all-bumped-packages-test.js

@@ -0,0 +1,35 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+const {exec} = require('shelljs');
+
+const forEachPackage = require('../monorepo/for-each-package');
+const findAndPublishAllBumpedPackages = require('../monorepo/find-and-publish-all-bumped-packages');
+
+jest.mock('shelljs', () => ({exec: jest.fn()}));
+jest.mock('../monorepo/for-each-package', () => jest.fn());
+
+describe('findAndPublishAllBumpedPackages', () => {
+  it('throws an error if updated version is not 0.x.y', () => {
+    const mockedPackageNewVersion = '1.0.0';
+
+    forEachPackage.mockImplementationOnce(callback => {
+      callback('absolute/path/to/package', 'to/package', {
+        version: mockedPackageNewVersion,
+      });
+    });
+    exec.mockImplementationOnce(() => ({
+      stdout: `-  "version": "0.72.0"\n+  "version": "${mockedPackageNewVersion}"\n`,
+    }));
+
+    expect(() => findAndPublishAllBumpedPackages()).toThrow(
+      `Package version expected to be 0.x.y, but received ${mockedPackageNewVersion}`,
+    );
+  });
+});

scripts/__tests__/for-each-package-test.js

@@ -0,0 +1,51 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+const path = require('path');
+const {readdirSync, readFileSync} = require('fs');
+
+const forEachPackage = require('../monorepo/for-each-package');
+
+jest.mock('fs', () => ({
+  readdirSync: jest.fn(),
+  readFileSync: jest.fn(),
+}));
+
+describe('forEachPackage', () => {
+  it('executes callback call with parameters', () => {
+    const callback = jest.fn();
+    const mockedPackageManifest = '{"name": "my-new-package"}';
+    const mockedParsedPackageManifest = JSON.parse(mockedPackageManifest);
+    const mockedPackageName = 'my-new-package';
+
+    readdirSync.mockImplementationOnce(() => [
+      {name: mockedPackageName, isDirectory: () => true},
+    ]);
+    readFileSync.mockImplementationOnce(() => mockedPackageManifest);
+
+    forEachPackage(callback);
+
+    expect(callback).toHaveBeenCalledWith(
+      path.join(__dirname, '..', '..', 'packages', mockedPackageName),
+      path.join('packages', mockedPackageName),
+      mockedParsedPackageManifest,
+    );
+  });
+
+  it('filters react-native folder', () => {
+    const callback = jest.fn();
+    readdirSync.mockImplementationOnce(() => [
+      {name: 'react-native', isDirectory: () => true},
+    ]);
+
+    forEachPackage(callback);
+
+    expect(callback).not.toHaveBeenCalled();
+  });
+});

scripts/monorepo/find-and-publish-all-bumped-packages.js

@@ -0,0 +1,96 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+const path = require('path');
+const chalk = require('chalk');
+const {exec} = require('shelljs');
+
+const forEachPackage = require('./for-each-package');
+
+const ROOT_LOCATION = path.join(__dirname, '..', '..');
+const NPM_CONFIG_OTP = process.env.NPM_CONFIG_OTP;
+
+const findAndPublishAllBumpedPackages = () => {
+  console.log('Traversing all packages inside /packages...');
+
+  forEachPackage(
+    (packageAbsolutePath, packageRelativePathFromRoot, packageManifest) => {
+      if (packageManifest.private) {
+        console.log(
+          `\u23ED Skipping private package ${chalk.dim(packageManifest.name)}`,
+        );
+
+        return;
+      }
+
+      const diff = exec(
+        `git log -p --format="" HEAD~1..HEAD ${packageRelativePathFromRoot}/package.json`,
+        {cwd: ROOT_LOCATION, silent: true},
+      ).stdout;
+
+      const previousVersionPatternMatches = diff.match(
+        /- {2}"version": "([0-9]+.[0-9]+.[0-9]+)"/,
+      );
+
+      if (!previousVersionPatternMatches) {
+        console.log(
+          `\uD83D\uDD0E No version bump for ${chalk.green(
+            packageManifest.name,
+          )}`,
+        );
+
+        return;
+      }
+
+      const [, previousVersion] = previousVersionPatternMatches;
+      const nextVersion = packageManifest.version;
+
+      console.log(
+        `\uD83D\uDCA1 ${chalk.yellow(
+          packageManifest.name,
+        )} was updated: ${chalk.red(previousVersion)} -> ${chalk.green(
+          nextVersion,
+        )}`,
+      );
+
+      if (!nextVersion.startsWith('0.')) {
+        throw new Error(
+          `Package version expected to be 0.x.y, but received ${nextVersion}`,
+        );
+      }
+
+      const npmOTPFlag = NPM_CONFIG_OTP ? `--otp ${NPM_CONFIG_OTP}` : '';
+
+      const {code, stderr} = exec(`npm publish ${npmOTPFlag}`, {
+        cwd: packageAbsolutePath,
+        silent: true,
+      });
+      if (code) {
+        console.log(
+          chalk.red(
+            `\u274c Failed to publish version ${nextVersion} of ${packageManifest.name}. Stderr:`,
+          ),
+        );
+        console.log(stderr);
+
+        process.exit(1);
+      } else {
+        console.log(
+          `\u2705 Successfully published new version of ${chalk.green(
+            packageManifest.name,
+          )}`,
+        );
+      }
+    },
+  );
+
+  process.exit(0);
+};
+
+findAndPublishAllBumpedPackages();

scripts/monorepo/for-each-package.js

@@ -0,0 +1,59 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+const path = require('path');
+const {readdirSync, readFileSync} = require('fs');
+
+const ROOT_LOCATION = path.join(__dirname, '..', '..');
+const PACKAGES_LOCATION = path.join(ROOT_LOCATION, 'packages');
+
+const PACKAGES_BLOCK_LIST = ['react-native'];
+
+/**
+ * Function, which returns an array of all directories inside specified location
+ *
+ * @param {string} source Path to directory, where this should be executed
+ * @returns {string[]} List of directories names
+ */
+const getDirectories = source =>
+  readdirSync(source, {withFileTypes: true})
+    .filter(file => file.isDirectory())
+    .map(directory => directory.name);
+
+/**
+ * @callback forEachPackageCallback
+ * @param {string} packageAbsolutePath
+ * @param {string} packageRelativePathFromRoot
+ * @param {Object} packageManifest
+ */
+
+/**
+ * Iterate through every package inside /packages (ignoring react-native) and call provided callback for each of them
+ *
+ * @param {forEachPackageCallback} callback The callback which will be called for each package
+ */
+const forEachPackage = callback => {
+  // We filter react-native package on purpose, so that no CI's script will be executed for this package in future
+  const packagesDirectories = getDirectories(PACKAGES_LOCATION).filter(
+    directoryName => !PACKAGES_BLOCK_LIST.includes(directoryName),
+  );
+
+  packagesDirectories.forEach(packageDirectory => {
+    const packageAbsolutePath = path.join(PACKAGES_LOCATION, packageDirectory);
+    const packageRelativePathFromRoot = path.join('packages', packageDirectory);
+
+    const packageManifest = JSON.parse(
+      readFileSync(path.join(packageAbsolutePath, 'package.json')),
+    );
+
+    callback(packageAbsolutePath, packageRelativePathFromRoot, packageManifest);
+  });
+};
+
+module.exports = forEachPackage;