[Webkit-unassigned] [Bug 209172] New: Download of Blob URL fails when Pin Tab

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=209172

            Bug ID: 209172
           Summary: Download of Blob URL fails when Pin Tab
           Product: WebKit
           Version: Safari 12
          Hardware: PC
                OS: macOS 10.14
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: vietthanhbk1994 at gmail.com

When Pin Tab, and download file. (If not Pin Tab, it's working)
- The first time it will download and have file name "unknown".
- The second time, A new tab displaying the error: Safari can't open the page "blob:https://domain/[ blob id ]". The error is: "The operation couldn't be completed. (WebkitBlobResource error 1.)" (WebkitBlobResource:1)

Code:

const url = window.URL.createObjectURL(new Blob(["Name ,Email"], { type: 'application/csv' }))
const downloadLink = document.createElement('a')
downloadLink.href = url
downloadLink.download = "demo.csv"
document.body.appendChild(downloadLink)
downloadLink.click()
window.URL.revokeObjectURL(url)
document.body.removeChild(downloadLink)

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