fix script debug

scripts/build.js

@@ -8,13 +8,10 @@ spinner.color = 'red';
 
 for (const [index, pkg] of packages.entries()) {
 	spinner.text = `Building ${pkg} [${index + 1}/${packages.length}]`;
-	let stdout, stderr;
 	try {
-		({ stdout, stderr } = await execAsync(`cd packages/${pkg} && npm run build`));
+		await execAsync(`npm run build`, `./packages/${pkg}`);
 	} catch (e) {
 		spinner.fail(`Failed to build ${pkg}: \n ${e}`);
-		console.log(`\nstdout:\n\n${stdout}`);
-		console.error(`\nstderr:\n\n${stderr}`);
 		process.exit(1);
 	}
 }

scripts/packages.js

@@ -1,10 +1,30 @@
-import util from 'util';
 import * as childProcess from 'child_process';
 
-/**
- * Asynchronous version of `child_process.exec`.
- */
-export const execAsync = util.promisify(childProcess.exec);
+export const execAsync = (command, cwd = undefined) =>
+	new Promise((resolve, reject) => {
+		const child = childProcess.spawn(command, { cwd, shell: true });
+		let out = '';
+
+		child.stdout.setEncoding('utf8');
+		child.stdout.on('data', function (data) {
+			out += 'stdout: ' + data.toString();
+		});
+
+		child.stderr.setEncoding('utf8');
+		child.stderr.on('data', function (data) {
+			out += 'stderr: ' + data.toString();
+		});
+
+		child.on('error', (e) => {
+			console.log(out);
+			console.log(e);
+		});
+
+		child.on('close', function (code) {
+			if (code != 0) reject(out);
+			resolve();
+		});
+	});
 
 /**
  * List of all the packages.