1 files changed, 97 insertions, 0 deletions
diff --git a/scripts/smoke/check.js b/scripts/smoke/check.js
new file mode 100644
index 000000000..9f0038468
--- /dev/null
+++ b/scripts/smoke/check.js
@@ -0,0 +1,97 @@
+// @ts-check
+
+import { spawn } from 'node:child_process';
+import { existsSync, readdirSync, readFileSync, writeFileSync } from 'node:fs';
+import * as path from 'node:path';
+import pLimit from 'p-limit';
+import { toJson } from 'tsconfck';
+
+const skippedExamples = ['toolbar-app', 'component', 'server-islands'];
+
+function checkExamples() {
+	let examples = readdirSync('./examples', { withFileTypes: true });
+	examples = examples.filter((dirent) => dirent.isDirectory()).filter((dirent) => !skippedExamples.includes(dirent.name));
+
+	console.log(`Running astro check on ${examples.length} examples...`);
+
+	// Run astro check in parallel with 5 at most
+	const checkPromises = [];
+	const limit = pLimit(5);
+
+	for (const example of examples) {
+		checkPromises.push(
+			limit(
+				() =>
+					new Promise((resolve) => {
+						// Sometimes some examples may get deleted, but after a `git pull` the directory still exists.
+						// This can stall the process time as it'll typecheck the entire monorepo, so do a quick exist
+						// check here before typechecking this directory.
+						if (!existsSync(path.join('./examples/', example.name, 'package.json'))) {
+							resolve(0);
+							return;
+						}
+
+						const originalConfig = prepareExample(example.name);
+						let data = '';
+						const child = spawn('node', ['../../packages/astro/astro.js', 'check'], {
+							cwd: path.join('./examples', example.name),
+							env: { ...process.env, FORCE_COLOR: 'true' },
+						});
+
+						child.stdout.on('data', function (buffer) {
+							data += buffer.toString();
+						});
+
+						child.on('exit', (code) => {
+							if (code !== 0) {
+								console.error(data);
+							}
+							if (originalConfig) {
+								resetExample(example.name, originalConfig);
+							}
+							resolve(code);
+						});
+					})
+			)
+		);
+	}
+
+	Promise.all(checkPromises).then((codes) => {
+		if (codes.some((code) => code !== 0)) {
+			process.exit(1);
+		}
+
+		console.log('No errors found!');
+	});
+}
+
+/**
+ * @param {string} examplePath
+ */
+function prepareExample(examplePath) {
+	const tsconfigPath = path.join('./examples/', examplePath, 'tsconfig.json');
+	if (!existsSync(tsconfigPath)) return
+	
+	const originalConfig = readFileSync(tsconfigPath, 'utf-8');
+	const tsconfig = JSON.parse(toJson(originalConfig));
+
+	// Swap to strictest config to make sure it also passes
+	tsconfig.extends = 'astro/tsconfigs/strictest';
+	tsconfig.compilerOptions ??= {}
+	tsconfig.compilerOptions.types = tsconfig.compilerOptions.types ?? []; // Speeds up tests
+
+	writeFileSync(tsconfigPath, JSON.stringify(tsconfig));
+
+	return originalConfig;
+}
+
+/**
+ * @param {string} examplePath
+ * @param {string} originalConfig
+ */
+function resetExample(examplePath, originalConfig) {
+	const tsconfigPath = path.join('./examples/', examplePath, 'tsconfig.json');
+	writeFileSync(tsconfigPath, originalConfig);
+}
+
+checkExamples();