jspybridge memory growth example

test-bridge.js

const EventEmitter = require("node:events");

const emitter = new EventEmitter();

const sleep = (waitTimeInMs) =>
  new Promise((resolve) => setTimeout(resolve, waitTimeInMs));

async function doLoop() {
  while (true) {
    emitter.emit("ping", new Date().toISOString());

    // sleep 50ms
    await sleep(50);
  }
}

doLoop();

module.exports = {
  emitter,
};

test-bridge.py

import datetime
import time

from javascript import On, require

print("loading")
my_module = require("./test-bridge.js")


@On(my_module.emitter, "ping")
def _ping(emitter: ..., now: str):
    print(f"pong {now} {datetime.datetime.now().time()}")


# Keep the Python process alive
time.sleep(100)