Shopify employee breaks NDA to reveal firm replacing laid off workers with AI(thedeepdive.ca)

    function eventToPromise(emitter, event) {
      return new Promise((resolve, reject) => {
        emitter.once('error', reject); // memory leak: not removing the other listener
        emitter.once(event, (data) => {
          emitter.removeListener('error', reject);
          resolve(data);
        });
      });
    }

   function promiseFromEvent(emitter, eventName) {
     return new Promise((resolve, reject) => {
       const resolveHandler = (data) => {
         emitter.removeListener(eventName, errorHandler); // memory leak: should be removeListener('error', errorHandler)
         resolve(data);
       };

       const errorHandler = (error) => {
         emitter.removeListener(eventName, resolveHandler);
         reject(error);
       };

       emitter.once(eventName, resolveHandler);
       emitter.once('error', errorHandler);
     });
   }