Add publish script

Author: janicduplessis

.gitignore

@@ -158,3 +158,5 @@ vendor/
 
 # CircleCI
 .circleci/generated_config.yml
+
+react-native-*.tgz

README.md

@@ -56,13 +56,18 @@ React Native is developed and supported by many companies and individual core co
 
 ## Contents
 
-- [Requirements](#-requirements)
-- [Building your first React Native app](#-building-your-first-react-native-app)
-- [Documentation](#-documentation)
-- [Upgrading](#-upgrading)
-- [How to Contribute](#-how-to-contribute)
-- [Code of Conduct](#code-of-conduct)
-- [License](#-license)
+- [Contents](#contents)
+- [📋 Requirements](#-requirements)
+- [🎉 Building your first React Native app](#-building-your-first-react-native-app)
+- [📖 Documentation](#-documentation)
+- [🚀 Upgrading](#-upgrading)
+- [👏 How to Contribute](#-how-to-contribute)
+  - [Code of Conduct](#code-of-conduct)
+  - [Contributing Guide](#contributing-guide)
+  - [Open Source Roadmap](#open-source-roadmap)
+  - [Good First Issues](#good-first-issues)
+  - [Discussions](#discussions)
+- [📄 License](#-license)
 
 
 ## 📋 Requirements

packages/react-native/ReactAndroid/.npmignore

@@ -7,3 +7,5 @@
 src/main/third-party/
 # Exclude Android & JVM tests
 src/test/
+# Exclude prebuilt
+src/main/jni/prebuilt/lib/

scripts/generate-npm-tarball.js

@@ -0,0 +1,112 @@
+/**
+ * @format
+ */
+
+'use strict';
+
+const {exec, echo, exit, sed, rm} = require('shelljs');
+const os = require('os');
+const path = require('path');
+const yargs = require('yargs');
+
+const argv = yargs
+  .option('base-version', {
+    type: 'string',
+  })
+  .option('fork-version', {
+    type: 'string',
+  })
+  .option('hermes-version', {
+    type: 'string',
+  })
+  .option('clean', {
+    type: 'boolean',
+    default: false,
+  })
+  .strict().argv;
+const baseVersion = argv.baseVersion;
+const forkVersion = argv.forkVersion;
+const hermesVersion = argv.hermesVersion;
+const clean = argv.clean;
+
+const rnDir = path.join(__dirname, '../packages/react-native');
+
+if (clean) {
+  if (exec('./gradlew clean').code) {
+    echo('Failed to run gradle clean');
+    exit(1);
+  }
+  rm('-rf', path.join(rnDir, 'android'));
+  rm('-rf', path.join(rnDir, 'sdks/download'));
+  rm('-rf', path.join(rnDir, 'sdks/hermes'));
+  rm('-rf', path.join(rnDir, 'sdks/hermesc'));
+}
+
+// Update the version number.
+if (
+  exec(
+    `node scripts/releases/set-rn-artifacts-version.js --to-version ${forkVersion} --build-type release`,
+  ).code
+) {
+  echo(`Failed to set version number to ${forkVersion}`);
+  exit(1);
+}
+
+// Use the hermes prebuilt binaries from the base version.
+sed(
+  '-i',
+  /^version = .*$/,
+  `version = '${baseVersion}'`,
+  path.join(rnDir, 'sdks/hermes-engine/hermes-engine.podspec'),
+);
+
+// Download hermesc from the base version.
+const rnTmpDir = path.join(os.tmpdir(), 'hermesc');
+const rnTgzOutput = path.join(rnTmpDir, `react-native-${baseVersion}.tgz`);
+const hermescDest = path.join(rnDir, 'sdks');
+exec(`mkdir -p ${rnTmpDir}`);
+if (
+  exec(
+    `curl https://registry.npmjs.com/react-native/-/react-native-${baseVersion}.tgz --output ${rnTgzOutput}`,
+  ).code
+) {
+  echo('Failed to download base react-native package');
+  exit(1);
+}
+if (exec(`tar -xvf ${rnTgzOutput} -C ${rnTmpDir}`).code) {
+  echo('Failed to extract base react-native package');
+  exit(1);
+}
+exec(`mkdir -p ${hermescDest}`);
+if (
+  exec(`cp -r ${path.join(rnTmpDir, 'package/sdks/hermesc')} ${hermescDest}`)
+    .code
+) {
+  echo('Failed to copy hermesc from base react-native package');
+  exit(1);
+}
+
+if (hermesVersion) {
+  exec(`echo "${hermesVersion}" > ${hermescDest}/.hermesversion`);
+}
+
+rm('-rf', '/tmp/maven-local');
+
+// Build the android artifacts in the npm package.
+if (exec('./gradlew publishAllToMavenTempLocal').code) {
+  echo('Could not generate artifacts');
+  exit(1);
+}
+
+if (exec(`cp -r /tmp/maven-local/ ${path.join(rnDir, 'android')}`).code) {
+  echo('Could not copy artifacts');
+  exit(1);
+}
+
+// Generate tarball.
+if (exec(`cd ${rnDir} && npm pack`).code) {
+  echo('Failed to generate tarball');
+  exit(1);
+} else {
+  exit(0);
+}