/*! FileSaver.js v1.3.6
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*
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* A saveAs() FileSaver implementation.
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*
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* By Travis Clarke, https://travismclarke.com
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* By Eli Grey, http://eligrey.com
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*
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* License: MIT (https://github.com/clarketm/FileSaver.js/blob/master/LICENSE.md)
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*/
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;(function (root, factory) {
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if (typeof exports === 'object' && typeof exports.nodeName !== 'string') {
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module.exports = root.document ? factory(root, true) : function (w) {
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if (!w.document) {
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throw new Error("FileSaver requires a window with a document");
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}
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return factory(w);
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};
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} else {
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factory(root);
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}
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}(window || this, function (window, noGlobal) {
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"use strict";
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// IE <10 is explicitly unsupported
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if (typeof window === "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 = window.document
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// only get URL when necessary in case Blob.js hasn't overridden it yet
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, get_URL = function () {
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return window.URL || window.webkitURL || window;
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}
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, save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
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, can_use_save_link = "download" in save_link
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, 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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, is_safari = /constructor/i.test(window.HTMLElement) || window.safari
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, is_chrome_ios = /CriOS\/[\d]+/.test(navigator.userAgent)
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, throw_outside = function (ex) {
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(window.setImmediate || window.setTimeout)(function () {
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throw ex;
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}, 0);
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}
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, 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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, arbitrary_revoke_timeout = 1000 * 40 // in ms
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, 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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, 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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, 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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, 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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, type = blob.type
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, force = type === force_saveable_type
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, object_url
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, 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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, fs_error = function () {
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if ((is_chrome_ios || (force && is_safari)) && window.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 = window.open(url, '_blank');
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if (!popup) window.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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window.location.href = object_url;
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} else {
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var opened = window.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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window.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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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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fs_error();
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}
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, FS_proto = FileSaver.prototype
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, 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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saveAs = function (blob, name, no_auto_bom) {
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name = name || blob.name || "download";
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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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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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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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if (typeof define === "function" && define.amd) {
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define("file-saverjs", [], function () {
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return saveAs;
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});
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}
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if (typeof noGlobal === 'undefined') {
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window.saveAs = saveAs;
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}
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return saveAs;
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}
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));
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