The browser will crash when downloading files exceeding 2G through fetch

[SakuraYou]

  $start.onclick = () => {
    const url = 'xxxx', // a 2gb size file
    const fileStream = streamSaver.createWriteStream('cat.mp4')

    fetch(url).then(res => {
      const readableStream = res.body

      // more optimized
      if (window.WritableStream && readableStream.pipeTo) {
        return readableStream.pipeTo(fileStream)
          .then(() => console.log('done writing'))
      }

      window.writer = fileStream.getWriter()

      const reader = res.body.getReader()
      const pump = () => reader.read()
        .then(res => res.done
          ? writer.close()
          : writer.write(res.value).then(pump))

      pump()
    })
  }

[jimmywarting]

Browser?

[SakuraYou]

Browser?

yes！

[jimmywarting]

I mean... what browser & version are you using to cause a crash?

[SakuraYou]

Sorry, it’s my problem. A colleague here rewrote the fetch method, causing memory accumulation.