Output files sizes in test package script

tasks/test-package.js

@@ -351,3 +351,29 @@ checkForClasses.forEach((cssClass) => {
  throw new Error("CSS test failed");
  }
 });
+
+console.log("\n");
+
+console.log(`Testing file sizes`);
+const filesToCheckSize = [
+ "all.css",
+ "font-awesome.css",
+ "ie.css",
+ "print.css",
+ "prototype-kit.css",
+ "all.js",
+ "analytics.js",
+ "all+analytics.js",
+];
+const longestFilenameToCheckSize = filesToCheckSize.reduce(
+ (longest, file) => (file.length > longest ? file.length : longest),
+ 0,
+);
+console.log(`${"FILE".padEnd(longestFilenameToCheckSize)} SIZE`);
+console.log(`${"".padEnd(longestFilenameToCheckSize, "-")}---------`);
+filesToCheckSize.forEach(async (file) => {
+ const fileStats = await fs.promises.stat(`package/nationalarchives/${file}`);
+ console.log(
+ `${file.padEnd(longestFilenameToCheckSize)} ${Math.round(fileStats.size / 1000)} KB`,
+ );
+});