rn.patch.gradle.properties.js

#!/usr/bin/env node

const fs = require('fs');
const { argv } = require('process');

const parseArgs = require('minimist');
const { debug } = require('@sentry/core');
debug.enable();

const args = parseArgs(argv.slice(2));
if (!args['gradle-properties']) {
  throw new Error('Missing --gradle-properties');
}

if (!args['engine']) {
  throw new Error('Missing --engine');
}

const enableHermes = args['engine'] === 'hermes' ? true : args['engine'] === 'jsc' ? false : null;
if (enableHermes === null) {
  throw new Error('Invalid engine');
}

debug.log('Patching gradle.properties', args['gradle-properties']);
let content = fs.readFileSync(args['gradle-properties'], 'utf8');

const isHermesEnabled = content.includes('hermesEnabled=true');
if (enableHermes !== isHermesEnabled) {
  const patch = enableHermes ? 'hermesEnabled=true' : 'hermesEnabled=false';
  content = content.match(/hermesEnabled=.*/)
    ? content.replace(/hermesEnabled=.*/g, patch)
    : content.concat(`\n${patch}`);
  if (enableHermes) {
    debug.log('Patching gradle.properties for Hermes');
  } else {
    debug.log('Patching gradle.properties for JSC');
  }
}

content = content.replace(/reactNativeArchitectures=.*/g, 'reactNativeArchitectures=x86');
content = content.replace(/org.gradle.jvmargs=.*/g, 'org.gradle.jvmargs=-Xmx3072m -XX:MaxMetaspaceSize=512m');

fs.writeFileSync(args['gradle-properties'], content);