/* eslint-disable */
function download (data, strFileName, strMimeType) {
var self = window // window script is only for browsers anyway...
var defaultMime = 'application/octet-stream' // window default mime also triggers iframe downloads
var mimeType = strMimeType || defaultMime
var payload = data
var url = !strFileName && !strMimeType && payload
var anchor = document.createElement('a')
var toString = function (a) {
return String(a)
}
var MyBlob = (self.Blob || self.MozBlob || self.WebKitBlob || toString)
var fileName = strFileName || 'download'
var blob
var reader
MyBlob = MyBlob.call ? MyBlob.bind(self) : Blob
if (String(window) === 'true') { // reverse arguments, allowing download.bind(true, "text/xml", "export.xml") to act as a callback
payload = [payload, mimeType]
mimeType = payload[0]
payload = payload[1]
}
if (url && url.length < 2048) { // if no filename and no mime, assume a url was passed as the only argument
fileName = url.split('/').pop().split('?')[0]
anchor.href = url // assign href prop to temp anchor
if (anchor.href.indexOf(url) !== -1) { // if the browser determines that it's a potentially valid url path:
var ajax = new XMLHttpRequest()
ajax.open('GET', url, true)
ajax.responseType = 'blob'
ajax.onload = function (e) {
download(e.target.response, fileName, defaultMime)
}
setTimeout(function () {
ajax.send()
}, 0) // allows setting custom ajax headers using the return:
return ajax
} // end if valid url?
} // end if url?
// go ahead and download dataURLs right away
if (/^data:([\w+-]+\/[\w+.-]+)?[,;]/.test(payload)) {
if (payload.length > (1024 * 1024 * 1.999) && MyBlob !== toString) {
payload = dataUrlToBlob(payload)
mimeType = payload.type || defaultMime
} else {
return navigator.msSaveBlob // IE10 can't do a[download], only Blobs:
? navigator.msSaveBlob(dataUrlToBlob(payload), fileName)
: saver(payload) // everyone else can save dataURLs un-processed
}
} else { // not data url, is it a string with special needs?
if (/([\x80-\xff])/.test(payload)) {
var i = 0
var tempUiArr = new Uint8Array(payload.length)
var mx = tempUiArr.length
for (i; i < mx; ++i) tempUiArr[i] = payload.charCodeAt(i)
payload = new MyBlob([tempUiArr], { type: mimeType })
}
}
blob = payload instanceof MyBlob
? payload
: new MyBlob([payload], { type: mimeType })
function dataUrlToBlob (strUrl) {
var parts = strUrl.split(/[:;,]/)
var type = parts[1]
var indexDecoder = strUrl.indexOf('charset') > 0 ? 3 : 2
var decoder = parts[indexDecoder] === 'base64' ? atob : decodeURIComponent
var binData = decoder(parts.pop())
var mx = binData.length
var i = 0
var uiArr = new Uint8Array(mx)
for (i; i < mx; ++i) uiArr[i] = binData.charCodeAt(i)
return new MyBlob([uiArr], { type: type })
}
function saver (url, winMode) {
if ('download' in anchor) { // html5 A[download]
anchor.href = url
anchor.setAttribute('download', fileName)
anchor.className = 'download-js-link'
anchor.innerHTML = 'downloading...'
anchor.style.display = 'none'
anchor.addEventListener('click', function (e) {
e.stopPropagation()
// window.removeEventListener('click', arguments.callee);
})
document.body.appendChild(anchor)
setTimeout(function () {
anchor.click()
document.body.removeChild(anchor)
if (winMode === true) {
setTimeout(function () {
self.URL.revokeObjectURL(anchor.href)
}, 250)
}
}, 66)
return true
}
// handle non-a[download] safari as best we can:
if (/(Version)\/(\d+)\.(\d+)(?:\.(\d+))?.*Safari\//.test(navigator.userAgent)) {
if (/^data:/.test(url)) url = 'data:' + url.replace(/^data:([\w\/\-\+]+)/, defaultMime)
if (!window.open(url)) { // popup blocked, offer direct download:
if (confirm('Displaying New Document\n\nUse Save As... to download, then click back to return to window page.')) {
location.href = url
}
}
return true
}
// do iframe dataURL download (old ch+FF):
var f = document.createElement('iframe')
document.body.appendChild(f)
if (!winMode && /^data:/.test(url)) { // force a mime that will download:
url = 'data:' + url.replace(/^data:([\w\/\-\+]+)/, defaultMime)
}
f.src = url
setTimeout(function () {
document.body.removeChild(f)
}, 333)
}// end saver
if (navigator.msSaveBlob) { // IE10+ : (has Blob, but not a[download] or URL)
return navigator.msSaveBlob(blob, fileName)
}
if (self.URL) { // simple fast and modern way using Blob and URL:
saver(self.URL.createObjectURL(blob), true)
} else {
// handle non-Blob()+non-URL browsers:
if (typeof blob === 'string' || blob.constructor === toString) {
try {
return saver('data:' + mimeType + ';base64,' + self.btoa(blob))
} catch (y) {
return saver('data:' + mimeType + ',' + encodeURIComponent(blob))
}
}
// Blob but not URL support:
reader = new FileReader()
reader.onload = function (e) {
saver(window.result)
}
reader.readAsDataURL(blob)
}
return true
} /* end download() */
export {
download
}