Bump esbuild and plugins.

esbuild.mjs

@@ -0,0 +1,59 @@
+import { build, context } from 'esbuild';
+import { sassPlugin } from 'esbuild-sass-plugin';
+
+const watching = process.argv.includes('watch'),
+  buildOptions = {
+    entryPoints: [
+      'js/app.ts',
+      'css/app.scss',
+      'js/langs/javascript-browser/worker.js',
+      'js/langs/php-wasm/worker.ts',
+      'js/langs/python-wasmer/worker.ts',
+      'js/langs/webperl-5.28.1/worker.js',
+    ],
+    bundle: true,
+    minify: true,
+    sourcemap: true,
+    outdir: 'dist',
+    plugins: [sassPlugin(), {
+      name: 'on-end',
+      setup(build) {
+        build.onEnd((result) => {
+          if (!watching) {
+            return;
+          }
+
+          if (result.errors.length) {
+            console.log('\x1b[31mError rebuilding:\x1b[0m');
+            console.error(result.errors);
+
+            return;
+          }
+
+          console.log('\x1b[32mRebuilt.\x1b[0m');
+        });
+      }
+    }],
+    entryNames: '[dir]/[name]',
+  };
+
+if (watching) {
+  const builder = await context(buildOptions);
+
+  await builder.watch();
+}
+else {
+  process.stdout.write(`Building... `);
+
+  build(buildOptions)
+    .then(() => {
+      console.log('\x1b[32mdone.\x1b[0m');
+    })
+    .catch((e) => {
+      console.log(`\x1b[31mfailed.\x1b[0m`);
+      console.log('');
+      console.error(e);
+
+      process.exit(1);
+    });
+}