사용자:하늘/autoInsertLinkTitle.js

var _global = typeof window === 'object' && window.window === window
  ? window : typeof self === 'object' && self.self === self
    ? self : typeof global === 'object' && global.global === global
      ? global
      : this

function bom(blob, opts) {
  if (typeof opts === 'undefined') opts = { autoBom: false }
  else if (typeof opts !== 'object') {
    console.warn('Deprecated: Expected third argument to be a object')
    opts = { autoBom: !opts }
  }

  // prepend BOM for UTF-8 XML and text/* types (including HTML)
  // note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
  if (opts.autoBom && /^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
    return new Blob([String.fromCharCode(0xFEFF), blob], { type: blob.type })
  }
  return blob
}

function download(url, name, opts) {
  var xhr = new XMLHttpRequest()
  xhr.open('GET', url)
  xhr.responseType = 'blob'
  xhr.onload = function () {
    saveAs(xhr.response, name, opts)
  }
  xhr.onerror = function () {
    console.error('could not download file')
  }
  xhr.send()
}

function corsEnabled(url) {
  var xhr = new XMLHttpRequest()
  // use sync to avoid popup blocker
  xhr.open('HEAD', url, false)
  try {
    xhr.send()
  } catch (e) { }
  return xhr.status >= 200 && xhr.status <= 299
}

// `a.click()` doesn't work for all browsers (#465)
function click(node) {
  try {
    node.dispatchEvent(new MouseEvent('click'))
  } catch (e) {
    var evt = document.createEvent('MouseEvents')
    evt.initMouseEvent('click', true, true, window, 0, 0, 0, 80,
      20, false, false, false, false, 0, null)
    node.dispatchEvent(evt)
  }
}

// Detect WebView inside a native macOS app by ruling out all browsers
// We just need to check for 'Safari' because all other browsers (besides Firefox) include that too
// https://www.whatismybrowser.com/guides/the-latest-user-agent/macos
var isMacOSWebView = _global.navigator && /Macintosh/.test(navigator.userAgent) && /AppleWebKit/.test(navigator.userAgent) && !/Safari/.test(navigator.userAgent)

var saveAs = _global.saveAs || (
  // probably in some web worker
  (typeof window !== 'object' || window !== _global)
    ? function saveAs() { /* noop */ }

    // Use download attribute first if possible (#193 Lumia mobile) unless this is a macOS WebView
    : ('download' in HTMLAnchorElement.prototype && !isMacOSWebView)
      ? function saveAs(blob, name, opts) {
        var URL = _global.URL || _global.webkitURL
        var a = document.createElement('a')
        name = name || blob.name || 'download'

        a.download = name
        a.rel = 'noopener' // tabnabbing

        // TODO: detect chrome extensions & packaged apps
        // a.target = '_blank'

        if (typeof blob === 'string') {
          // Support regular links
          a.href = blob
          if (a.origin !== location.origin) {
            corsEnabled(a.href)
              ? download(blob, name, opts)
              : click(a, a.target = '_blank')
          } else {
            click(a)
          }
        } else {
          // Support blobs
          a.href = URL.createObjectURL(blob)
          setTimeout(function () { URL.revokeObjectURL(a.href) }, 4E4) // 40s
          setTimeout(function () { click(a) }, 0)
        }
      }

      // Use msSaveOrOpenBlob as a second approach
      : 'msSaveOrOpenBlob' in navigator
        ? function saveAs(blob, name, opts) {
          name = name || blob.name || 'download'

          if (typeof blob === 'string') {
            if (corsEnabled(blob)) {
              download(blob, name, opts)
            } else {
              var a = document.createElement('a')
              a.href = blob
              a.target = '_blank'
              setTimeout(function () { click(a) })
            }
          } else {
            navigator.msSaveOrOpenBlob(bom(blob, opts), name)
          }
        }

        // Fallback to using FileReader and a popup
        : function saveAs(blob, name, opts, popup) {
          // Open a popup immediately do go around popup blocker
          // Mostly only available on user interaction and the fileReader is async so...
          popup = popup || open('', '_blank')
          if (popup) {
            popup.document.title =
              popup.document.body.innerText = 'downloading...'
          }

          if (typeof blob === 'string') return download(blob, name, opts)

          var force = blob.type === 'application/octet-stream'
          var isSafari = /constructor/i.test(_global.HTMLElement) || _global.safari
          var isChromeIOS = /CriOS\/[\d]+/.test(navigator.userAgent)

          if ((isChromeIOS || (force && isSafari) || isMacOSWebView) && typeof FileReader !== 'undefined') {
            // Safari doesn't allow downloading of blob URLs
            var reader = new FileReader()
            reader.onloadend = function () {
              var url = reader.result
              url = isChromeIOS ? url : url.replace(/^data:[^;]*;/, 'data:attachment/file;')
              if (popup) popup.location.href = url
              else location = url
              popup = null // reverse-tabnabbing #460
            }
            reader.readAsDataURL(blob)
          } else {
            var URL = _global.URL || _global.webkitURL
            var url = URL.createObjectURL(blob)
            if (popup) popup.location = url
            else location.href = url
            popup = null // reverse-tabnabbing #460
            setTimeout(function () { URL.revokeObjectURL(url) }, 4E4) // 40s
          }
        }
)

_global.saveAs = saveAs.saveAs = saveAs

if (typeof module !== 'undefined') {
  module.exports = saveAs;
}