updated the API to support the new calendar service and added a smoke test for the API.

scripts/check-syntax.js

@@ -0,0 +1,71 @@
+const fs = require("fs");
+const path = require("path");
+const { spawnSync } = require("child_process");
+
+const skippedDirectoryNames = new Set(["node_modules", ".git"]);
+
+function collectJavaScriptFiles(targetPath, results = []) {
+  const resolvedPath = path.resolve(targetPath);
+  if (!fs.existsSync(resolvedPath)) {
+    return results;
+  }
+
+  const stats = fs.statSync(resolvedPath);
+  if (stats.isDirectory()) {
+    const entries = fs.readdirSync(resolvedPath, { withFileTypes: true });
+    for (const entry of entries) {
+      if (entry.isDirectory() && skippedDirectoryNames.has(entry.name)) {
+        continue;
+      }
+
+      collectJavaScriptFiles(path.join(resolvedPath, entry.name), results);
+    }
+    return results;
+  }
+
+  if (stats.isFile() && resolvedPath.endsWith(".js")) {
+    results.push(resolvedPath);
+  }
+
+  return results;
+}
+
+function main() {
+  const targets = process.argv.slice(2);
+  if (!targets.length) {
+    console.error("Provide at least one file or directory to validate.");
+    process.exit(1);
+  }
+
+  const files = Array.from(new Set(
+    targets.flatMap((targetPath) => collectJavaScriptFiles(targetPath))
+  )).sort();
+
+  if (!files.length) {
+    console.error("No JavaScript files were found for validation.");
+    process.exit(1);
+  }
+
+  let hasFailures = false;
+
+  for (const filePath of files) {
+    const result = spawnSync(process.execPath, ["--check", filePath], {
+      encoding: "utf8"
+    });
+
+    if (result.status === 0) {
+      continue;
+    }
+
+    hasFailures = true;
+    process.stderr.write(result.stderr || result.stdout || `Syntax check failed: ${filePath}\n`);
+  }
+
+  if (hasFailures) {
+    process.exit(1);
+  }
+
+  console.log(`Syntax check passed for ${files.length} files.`);
+}
+
+main();