Открыть видео из input file

const pEventRace = (node, descriptors) => new Promise((resolve, reject) => {
   const callbacks = descriptors.map(descriptor => ({
     event: descriptor.event, 
     callback: event => {
       for (let callback of callbacks) {
         node.removeEventListener(callback.event, callback.callback, true)
       }
       
       descriptor.resolves ? resolve(event) : reject(event);
     }
   }));
  
  for (let callback of callbacks) {
    node.addEventListener(callback.event, callback.callback, true);
  }
});
 
document.querySelector("#file").addEventListener("change", async event => {
   const resolves = true;
  
   if (event.target.files.length === 0) return;
   const oUrl = URL.createObjectURL(event.target.files[0]);
   let video = document.querySelector("#result");
 
   let pVideoLoaded = pEventRace(video, [
     { event: "canplaythrough", resolves },
     { event: "error" }
   ]);
   video.src = oUrl;
 
   console.log(`src set`);
  
   try {
     await pVideoLoaded;
     console.log(`video loaded`);
     URL.revokeObjectURL(oUrl);
   } catch (error) {
     console.log(`video errored with ${error.message}`);
     URL.revokeObjectURL(oUrl);
   }
});