test(js-toolkit): make another attempt at getting Windows CI green

My last attempt (parent commit) neither fixed Windows[0], nor allowed
Linux[1] to keep working. It seems that `tsc` knows nothing about globs,
so let's just call the command with the explicit, expanded list of
packages.

[0]: /~https://github.com/liferay/liferay-frontend-projects/pull/133/checks?check_run_id=1220654707
[1]: /~https://github.com/liferay/liferay-frontend-projects/pull/133/checks?check_run_id=1220537852

projects/js-toolkit/package.json

@@ -13,7 +13,7 @@
 	"name": "liferay-js-toolkit",
 	"private": true,
 	"scripts": {
-		"build": "tsc --build \"packages/*/tsconfig.json\" && node scripts/copyfiles.js --all",
+		"build": "node scripts/build.js && node scripts/copyfiles.js --all",
 		"check-deps": "node scripts/check-deps.js",
 		"ci": "yarn clean && yarn check-deps && yarn build && yarn test",
 		"clean": "node scripts/clean.js --all",

projects/js-toolkit/scripts/build.js

@@ -0,0 +1,33 @@
+/**
+ * SPDX-FileCopyrightText: © 2020 Liferay, Inc. <https://liferay.com>
+ * SPDX-License-Identifier: LGPL-3.0-or-later
+ */
+
+const child_process = require('child_process');
+const fs = require('fs');
+const path = require('path');
+
+const packages = fs
+	.readdirSync(path.join(__dirname, '..', 'packages'), {withFileTypes: true})
+	.map((entry) => {
+		if (entry.isDirectory()) {
+			return path.join(
+				__dirname,
+				'..',
+				'packages',
+				entry.name,
+				'tsconfig.json'
+			);
+		}
+	})
+	.filter(Boolean);
+
+const {status, error, signal} = child_process.spawnSync(
+	'tsc',
+	['--build', ...packages],
+	{stdio: 'inherit'}
+);
+
+if (status !== 0) {
+	process.exit(1);
+}