Optimize wasm bindgen asset with manganis (#3531)

packages/playwright-tests/cli-optimization/build.rs

@@ -0,0 +1,14 @@
+use std::path::PathBuf;
+
+fn main() {
+    // If the monaco editor folder doesn't exist, download it
+    let monaco_path = PathBuf::from("monaco-editor-0.52.2");
+    if monaco_path.exists() {
+        return;
+    }
+
+    let url = "https://registry.npmjs.org/monaco-editor/-/monaco-editor-0.52.2.tgz";
+    let bytes = reqwest::blocking::get(url).unwrap().bytes().unwrap();
+    let mut archive = tar::Archive::new(flate2::read::GzDecoder::new(bytes.as_ref()));
+    archive.unpack(&monaco_path).unwrap();
+}