Add browserslist config and use for Babel preset environment (#16267)

build-scripts/list-preset-env-plugins.js

@@ -0,0 +1,30 @@
+#!/usr/bin/env node
+// Script to print Babel plugins that will be used by browserslist environments
+
+import { version as babelVersion } from "@babel/core";
+import presetEnv from "@babel/preset-env";
+import { babelOptions } from "./bundle.cjs";
+
+const dummyAPI = {
+  version: babelVersion,
+  assertVersion: () => {},
+  caller: (callback) =>
+    callback({
+      name: "Dummy Bundler",
+      supportsStaticESM: true,
+      supportsDynamicImport: true,
+      supportsTopLevelAwait: true,
+      supportsExportNamespaceFrom: true,
+    }),
+  targets: () => ({}),
+};
+
+for (const browserslistEnv of ["modern", "legacy"]) {
+  console.log("\nBrowsersList Environment = %s\n", browserslistEnv);
+  presetEnv.default(dummyAPI, {
+    ...babelOptions({ latestBuild: browserslistEnv === "modern" })
+      .presets[0][1],
+    browserslistEnv,
+    debug: true,
+  });
+}