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+/* FileSaver.js
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+ * A saveAs() FileSaver implementation.
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+ * 1.3.2
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+ * 2016-06-16 18:25:19
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+ *
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+ * By Eli Grey, http://eligrey.com
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+ * License: MIT
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+ * See https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md
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+ */
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+
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+/* global self */
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+/* jslint bitwise: true, indent: 4, laxbreak: true, laxcomma: true, smarttabs: true, plusplus: true */
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+
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+/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
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+
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+var saveAs = saveAs || (function (view) {
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+ 'use strict'
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+ // IE <10 is explicitly unsupported
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+ if (typeof view === 'undefined' || typeof navigator !== 'undefined' && /MSIE [1-9]\./.test(navigator.userAgent)) {
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+ return
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+ }
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+ var
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+ doc = view.document
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+ // only get URL when necessary in case Blob.js hasn't overridden it yet
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+ var get_URL = function () {
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+ return view.URL || view.webkitURL || view
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+ }
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+ var save_link = doc.createElementNS('http://www.w3.org/1999/xhtml', 'a')
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+ var can_use_save_link = 'download' in save_link
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+ var click = function (node) {
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+ var event = new MouseEvent('click')
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+ node.dispatchEvent(event)
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+ }
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+ var is_safari = /constructor/i.test(view.HTMLElement) || view.safari
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+ var is_chrome_ios = /CriOS\/[\d]+/.test(navigator.userAgent)
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+ var throw_outside = function (ex) {
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+ (view.setImmediate || view.setTimeout)(function () {
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+ throw ex
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+ }, 0)
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+ }
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+ var force_saveable_type = 'application/octet-stream'
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+ // the Blob API is fundamentally broken as there is no "downloadfinished" event to subscribe to
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+ var arbitrary_revoke_timeout = 1000 * 40 // in ms
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+ var revoke = function (file) {
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+ var revoker = function () {
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+ if (typeof file === 'string') { // file is an object URL
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+ get_URL().revokeObjectURL(file)
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+ } else { // file is a File
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+ file.remove()
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+ }
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+ }
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+ setTimeout(revoker, arbitrary_revoke_timeout)
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+ }
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+ var dispatch = function (filesaver, event_types, event) {
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+ event_types = [].concat(event_types)
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+ var i = event_types.length
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+ while (i--) {
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+ var listener = filesaver['on' + event_types[i]]
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+ if (typeof listener === 'function') {
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+ try {
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+ listener.call(filesaver, event || filesaver)
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+ } catch (ex) {
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+ throw_outside(ex)
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+ }
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+ }
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+ }
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+ }
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+ var auto_bom = function (blob) {
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+ // prepend BOM for UTF-8 XML and text/* types (including HTML)
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+ // note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
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+ if (/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
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+ return new Blob([String.fromCharCode(0xFEFF), blob], {type: blob.type})
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+ }
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+ return blob
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+ }
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+ var FileSaver = function (blob, name, no_auto_bom) {
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+ if (!no_auto_bom) {
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+ blob = auto_bom(blob)
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+ }
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+ // First try a.download, then web filesystem, then object URLs
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+ var
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+ filesaver = this
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+ var type = blob.type
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+ var force = type === force_saveable_type
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+ var object_url
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+ var dispatch_all = function () {
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+ dispatch(filesaver, 'writestart progress write writeend'.split(' '))
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+ }
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+ // on any filesys errors revert to saving with object URLs
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+ var fs_error = function () {
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+ if ((is_chrome_ios || (force && is_safari)) && view.FileReader) {
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+ // Safari doesn't allow downloading of blob urls
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+ var reader = new FileReader()
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+ reader.onloadend = function () {
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+ var url = is_chrome_ios ? reader.result : reader.result.replace(/^data:[^;]*;/, 'data:attachment/file;')
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+ var popup = view.open(url, '_blank')
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+ if (!popup) view.location.href = url
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+ url = undefined // release reference before dispatching
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+ filesaver.readyState = filesaver.DONE
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+ dispatch_all()
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+ }
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+ reader.readAsDataURL(blob)
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+ filesaver.readyState = filesaver.INIT
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+ return
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+ }
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+ // don't create more object URLs than needed
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+ if (!object_url) {
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+ object_url = get_URL().createObjectURL(blob)
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+ }
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+ if (force) {
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+ view.location.href = object_url
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+ } else {
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+ var opened = view.open(object_url, '_blank')
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+ if (!opened) {
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+ // Apple does not allow window.open, see https://developer.apple.com/library/safari/documentation/Tools/Conceptual/SafariExtensionGuide/WorkingwithWindowsandTabs/WorkingwithWindowsandTabs.html
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+ view.location.href = object_url
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+ }
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+ }
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+ filesaver.readyState = filesaver.DONE
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+ dispatch_all()
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+ revoke(object_url)
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+ }
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+
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+ filesaver.readyState = filesaver.INIT
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+
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+ if (can_use_save_link) {
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+ object_url = get_URL().createObjectURL(blob)
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+ setTimeout(function () {
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+ save_link.href = object_url
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+ save_link.download = name
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+ click(save_link)
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+ dispatch_all()
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+ revoke(object_url)
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+ filesaver.readyState = filesaver.DONE
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+ })
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+ return
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+ }
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+
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+ fs_error()
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+ }
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+ var FS_proto = FileSaver.prototype
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+ var saveAs = function (blob, name, no_auto_bom) {
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+ return new FileSaver(blob, name || blob.name || 'download', no_auto_bom)
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+ }
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+
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+ // IE 10+ (native saveAs)
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+ if (typeof navigator !== 'undefined' && navigator.msSaveOrOpenBlob) {
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+ return function (blob, name, no_auto_bom) {
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+ name = name || blob.name || 'download'
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+
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+ if (!no_auto_bom) {
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+ blob = auto_bom(blob)
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+ }
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+ return navigator.msSaveOrOpenBlob(blob, name)
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+ }
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+ }
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+
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+ FS_proto.abort = function () {
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+ }
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+ FS_proto.readyState = FS_proto.INIT = 0
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+ FS_proto.WRITING = 1
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+ FS_proto.DONE = 2
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+
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+ FS_proto.error =
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+ FS_proto.onwritestart =
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+ FS_proto.onprogress =
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+ FS_proto.onwrite =
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+ FS_proto.onabort =
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+ FS_proto.onerror =
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+ FS_proto.onwriteend =
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+ null
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+
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+ return saveAs
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+}(
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+ typeof self !== 'undefined' && self ||
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+ typeof window !== 'undefined' && window ||
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+ this.content
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+))
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+// `self` is undefined in Firefox for Android content script context
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+// while `this` is nsIContentFrameMessageManager
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+// with an attribute `content` that corresponds to the window
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+
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+if (typeof module !== 'undefined' && module.exports) {
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+ module.exports.saveAs = saveAs
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+} else if ((typeof define !== 'undefined' && define !== null) && (define.amd !== null)) {
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+ define('FileSaver.js', function () {
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+ return saveAs
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+ })
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+}
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