fix: stream command output to stdout and stderr

Author: pvdlg

lib/prepare.js

@@ -9,11 +9,17 @@ module.exports = async ({tarballDir, pkgRoot}, {cwd, env, stdout, stderr, nextRe
 
   if (tarballDir) {
     logger.log('Creating npm package version %s', version);
-    const {stdout: npmStdout, stderr: npmStderr} = await execa('npm', ['pack', basePath], {cwd, env});
-    stdout.write(npmStdout);
-    stderr.write(npmStderr);
+    const result = execa('npm', ['pack', basePath], {cwd, env});
+    result.stdout.pipe(
+      stdout,
+      {end: false}
+    );
+    result.stderr.pipe(
+      stderr,
+      {end: false}
+    );
 
-    const tarball = npmStdout.split('\n').pop();
+    const tarball = (await result).stdout.split('\n').pop();
     await move(path.resolve(cwd, tarball), path.resolve(cwd, tarballDir.trim(), tarball));
   }
 };

lib/publish.js

@@ -18,12 +18,19 @@ module.exports = async ({npmPublish, pkgRoot}, pkg, context) => {
     const registry = getRegistry(pkg, context);
 
     logger.log('Publishing version %s to npm registry', version);
-    const {stdout: npmStdout, stderr: npmStderr} = await execa('npm', ['publish', basePath, '--registry', registry], {
+    const result = execa('npm', ['publish', basePath, '--registry', registry], {
       cwd,
       env,
     });
-    stdout.write(npmStdout);
-    stderr.write(npmStderr);
+    result.stdout.pipe(
+      stdout,
+      {end: false}
+    );
+    result.stderr.pipe(
+      stderr,
+      {end: false}
+    );
+    await result;
 
     logger.log(`Published ${pkg.name}@${pkg.version} on ${registry}`);
     return getReleaseInfo(pkg, context, registry);