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MainWP Dashboard: Self-hosted WordPress Management for Agencies / 4.3
MainWP Dashboard: Self-hosted WordPress Management for Agencies v4.3
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mainwp / assets / js / FileSaver.js

FileSaver.js in MainWP Dashboard: Self-hosted WordPress Management for Agencies 4.3, at assets/js/FileSaver.js

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1 (function (global, factory) {
2 if (typeof define === "function" && define.amd) {
3 define([], factory);
4 } else if (typeof exports !== "undefined") {
5 factory();
6 } else {
7 var mod = {
8 exports: {}
9 };
10 factory();
11 global.FileSaver = mod.exports;
12 }
13 })(this, function () {
14 "use strict";
15
16 /*
17 * FileSaver.js
18 * A saveAs() FileSaver implementation.
19 *
20 * By Eli Grey, http://eligrey.com
21 *
22 * License : https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md (MIT)
23 * source : http://purl.eligrey.com/github/FileSaver.js
24 */
25 // The one and only way of getting global scope in all environments
26 // https://stackoverflow.com/q/3277182/1008999
27 var _global = typeof window === 'object' && window.window === window ? window : typeof self === 'object' && self.self === self ? self : typeof global === 'object' && global.global === global ? global : void 0;
28
29 function bom(blob, opts) {
30 if (typeof opts === 'undefined') opts = {
31 autoBom: false
32 };else if (typeof opts !== 'object') {
33 console.warn('Deprecated: Expected third argument to be a object');
34 opts = {
35 autoBom: !opts
36 };
37 } // prepend BOM for UTF-8 XML and text/* types (including HTML)
38 // note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF
39
40 if (opts.autoBom && /^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
41 return new Blob([String.fromCharCode(0xFEFF), blob], {
42 type: blob.type
43 });
44 }
45
46 return blob;
47 }
48
49 function download(url, name, opts) {
50 var xhr = new XMLHttpRequest();
51 xhr.open('GET', url);
52 xhr.responseType = 'blob';
53
54 xhr.onload = function () {
55 saveAs(xhr.response, name, opts);
56 };
57
58 xhr.onerror = function () {
59 console.error('could not download file');
60 };
61
62 xhr.send();
63 }
64
65 function corsEnabled(url) {
66 var xhr = new XMLHttpRequest(); // use sync to avoid popup blocker
67
68 xhr.open('HEAD', url, false);
69
70 try {
71 xhr.send();
72 } catch (e) {}
73
74 return xhr.status >= 200 && xhr.status <= 299;
75 } // `a.click()` doesn't work for all browsers (#465)
76
77
78 function click(node) {
79 try {
80 node.dispatchEvent(new MouseEvent('click'));
81 } catch (e) {
82 var evt = document.createEvent('MouseEvents');
83 evt.initMouseEvent('click', true, true, window, 0, 0, 0, 80, 20, false, false, false, false, 0, null);
84 node.dispatchEvent(evt);
85 }
86 } // Detect WebView inside a native macOS app by ruling out all browsers
87 // We just need to check for 'Safari' because all other browsers (besides Firefox) include that too
88 // https://www.whatismybrowser.com/guides/the-latest-user-agent/macos
89
90
91 var isMacOSWebView = /Macintosh/.test(navigator.userAgent) && /AppleWebKit/.test(navigator.userAgent) && !/Safari/.test(navigator.userAgent);
92 var saveAs = _global.saveAs || ( // probably in some web worker
93 typeof window !== 'object' || window !== _global ? function saveAs() {}
94 /* noop */
95 // Use download attribute first if possible (#193 Lumia mobile) unless this is a macOS WebView
96 : 'download' in HTMLAnchorElement.prototype && !isMacOSWebView ? function saveAs(blob, name, opts) {
97 var URL = _global.URL || _global.webkitURL;
98 var a = document.createElement('a');
99 name = name || blob.name || 'download';
100 a.download = name;
101 a.rel = 'noopener'; // tabnabbing
102 // TODO: detect chrome extensions & packaged apps
103 // a.target = '_blank'
104
105 if (typeof blob === 'string') {
106 // Support regular links
107 a.href = blob;
108
109 if (a.origin !== location.origin) {
110 corsEnabled(a.href) ? download(blob, name, opts) : click(a, a.target = '_blank');
111 } else {
112 click(a);
113 }
114 } else {
115 // Support blobs
116 a.href = URL.createObjectURL(blob);
117 setTimeout(function () {
118 URL.revokeObjectURL(a.href);
119 }, 4E4); // 40s
120
121 setTimeout(function () {
122 click(a);
123 }, 0);
124 }
125 } // Use msSaveOrOpenBlob as a second approach
126 : 'msSaveOrOpenBlob' in navigator ? function saveAs(blob, name, opts) {
127 name = name || blob.name || 'download';
128
129 if (typeof blob === 'string') {
130 if (corsEnabled(blob)) {
131 download(blob, name, opts);
132 } else {
133 var a = document.createElement('a');
134 a.href = blob;
135 a.target = '_blank';
136 setTimeout(function () {
137 click(a);
138 });
139 }
140 } else {
141 navigator.msSaveOrOpenBlob(bom(blob, opts), name);
142 }
143 } // Fallback to using FileReader and a popup
144 : function saveAs(blob, name, opts, popup) {
145 // Open a popup immediately do go around popup blocker
146 // Mostly only available on user interaction and the fileReader is async so...
147 popup = popup || open('', '_blank');
148
149 if (popup) {
150 popup.document.title = popup.document.body.innerText = 'downloading...';
151 }
152
153 if (typeof blob === 'string') return download(blob, name, opts);
154 var force = blob.type === 'application/octet-stream';
155
156 var isSafari = /constructor/i.test(_global.HTMLElement) || _global.safari;
157
158 var isChromeIOS = /CriOS\/[\d]+/.test(navigator.userAgent);
159
160 if ((isChromeIOS || force && isSafari || isMacOSWebView) && typeof FileReader !== 'undefined') {
161 // Safari doesn't allow downloading of blob URLs
162 var reader = new FileReader();
163
164 reader.onloadend = function () {
165 var url = reader.result;
166 url = isChromeIOS ? url : url.replace(/^data:[^;]*;/, 'data:attachment/file;');
167 if (popup) popup.location.href = url;else location = url;
168 popup = null; // reverse-tabnabbing #460
169 };
170
171 reader.readAsDataURL(blob);
172 } else {
173 var URL = _global.URL || _global.webkitURL;
174 var url = URL.createObjectURL(blob);
175 if (popup) popup.location = url;else location.href = url;
176 popup = null; // reverse-tabnabbing #460
177
178 setTimeout(function () {
179 URL.revokeObjectURL(url);
180 }, 4E4); // 40s
181 }
182 });
183 _global.saveAs = saveAs.saveAs = saveAs;
184
185 if (typeof module !== 'undefined') {
186 module.exports = saveAs;
187 }
188 });
189