feat: add swc env minimize benchmark

Author: Burhanuddin Udaipurwala

addons/swc-env-minimize.js

@@ -0,0 +1,60 @@
+import { writeFile, unlink } from "fs/promises";
+
+export const packageJson = (json) => {
+	json.browserslist = "> 0.25%, not dead";
+	Object.assign(json.devDependencies, {
+		"@swc/core": "*",
+		browserslist: "*",
+		"swc-loader": "*",
+		"regenerator-runtime": "*",
+		"terser-webpack-plugin": "*",
+	});
+	return json;
+};
+
+export const setup = async () => {
+	await writeFile(
+		".swcrc",
+		JSON.stringify(
+			{
+				jsc: {
+					parser: {
+						syntax: "ecmascript",
+						dynamicImport: true,
+					},
+				},
+				env: {},
+			},
+			null,
+			2
+		)
+	);
+};
+
+export const teardown = async () => {
+	try {
+		await unlink(".swcrc");
+	} catch (e) {}
+};
+
+export const config = (content) => `${content}
+
+var TerserPlugin = require("terser-webpack-plugin");
+
+module.exports.module = module.exports.module || {};
+module.exports.module.rules = module.exports.module.rules || [];
+module.exports.module.rules.unshift({
+	test: /\.(js|tsx?)$/,
+	use: [
+		{
+			loader: "swc-loader"
+		}
+	]
+});
+
+module.exports.optimization = {
+    minimizer: [new TerserPlugin({
+        minify: TerserPlugin.swcMinify,
+    })],
+};
+`;