hide/mark as viewed the vendor files in your PR if you manage vendor depencies inside your golang project for clutter free review

mark_vendor_viewed.js

// Usage:
// open the files tab in the PR you want to review with vendor files
// copy paste following function in your developer tools console and run the func hideVendorFiles()

function hideVendorFiles() {
    var lp = document.querySelectorAll('div.file-info a.Link--primary')

    var lp2 = [...lp].filter(l => l.title.startsWith('vendor/'))

    for (l of lp2) {
        var chkbx = l
            .parentNode
            .parentNode
            .querySelector('input.js-reviewed-checkbox')
        console.log(chkbx.checked)
        if (!chkbx.checked) {
            chkbx.click()
        }
    }
}