Function isPackageInstalled

packages/bumpy/src/commands/init.ts:190–197

(rootDir: string, pkgName: string)

}

async function isPackageInstalled(rootDir: string, pkgName: string): Promise<boolean> {
  try {
    const pkg = await readJson<Record<string, Record<string, string>>>(resolve(rootDir, 'package.json'));
    return !!(pkg.devDependencies?.[pkgName] || pkg.dependencies?.[pkgName]);
  } catch {
    return false;
  }
}

async function installPackage(pm: string, pkgName: string, rootDir: string): Promise<void> {
  const cmd = `${PM_ADD_DEV[pm] || 'npm install -D'} ${pkgName}`;