Initial commit

rollup-plugins/bundle-size.mjs

@@ -0,0 +1,51 @@
+import path from "path";
+import fs from "fs";
+import chalk from "chalk";
+
+export default function bundleSize({ file, maxSize = 13 }) {
+  return {
+    name: "rollup-plugin-bundle-size",
+    writeBundle: {
+      secuential: true,
+      order: "post",
+      async handler(options, bundle) {
+        let uncompressedSize = 0;
+        console.log(
+          chalk.green("Filename".padEnd(30, " ") + "\t Size (bytes).")
+        );
+        for (const file in bundle) {
+          const { modules } = bundle[file];
+          for (const moduleName in modules) {
+            const module = modules[moduleName];
+            const name = path.basename(moduleName);
+            uncompressedSize += module.renderedLength;
+            console.log(
+              `${chalk.cyan(name.padEnd(30, " "))}\t ${chalk.cyan(
+                module.renderedLength
+              )}`
+            );
+          }
+        }
+
+        console.log(
+          chalk.green(
+            "Total before compression " +
+            chalk.bold(chalk.green(uncompressedSize))
+          )
+        );
+
+        const asset = path.join(options.dir, file);
+        const { size } = fs.statSync(asset);
+        const percent = parseInt((size / (maxSize * 1024)) * 100, 10);
+        const color =
+          percent < 50 ? chalk.green : percent < 80 ? chalk.yellow : chalk.red;
+
+        console.log(
+          `Created bundle ${chalk.cyan(asset)}: ${chalk.bold(
+            chalk.cyan(size)
+          )} bytes, ${color(percent + "%")} of total game size used.`
+        );
+      },
+    },
+  };
+};