How to use

setObj

function

in

lodash

program
  .command('inc:build [project-dir]')
  .description('Increments the ios.buildNumber and android.versionCode in app.json')
  .action(act(async (dir) => {
    const projectManifest = await readBuildManifest(dir, null);

    const iosBuildNum = parseInteger(0, F.getOr(0, ['expo', 'ios', 'buildNumber'], projectManifest));
    const androidVersionCode = F.getOr(0, ['expo', 'android', 'versionCode'], projectManifest);
    const newBuildNum = Math.max(iosBuildNum, androidVersionCode) + 1;

    const setObj = F.curry(set);
    const newManifest = F.compose(
      setObj(['expo', 'ios', 'buildNumber'], `${newBuildNum}`),
      setObj(['expo', 'android', 'versionCode'], newBuildNum)
    )(projectManifest);

    const manifestPath = buildManifestFilePathFromDir(dir);
    fs.writeFileSync(manifestPath, JSON.stringify(newManifest, null, 2));
    return true;
  }));