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Fix - Undefined reference in server side renderers #654

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Fix - Undefined reference in server side renderers #654

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c16f370
Guard against undefined objects.
llunn May 29, 2020
11159a5
Build files for guarding against undefined objects.
llunn May 29, 2020
ee76ace
Additional checks for global navigator object existence
llunn Jun 8, 2020
fd1d45c
Update dist files to include additional navigator checks
llunn Jun 8, 2020
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302 changes: 159 additions & 143 deletions dist/FileSaver.js
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Original file line number Diff line number Diff line change
Expand Up @@ -13,176 +13,192 @@
})(this, function () {
"use strict";

/*
* FileSaver.js
* A saveAs() FileSaver implementation.
*
* By Eli Grey, http://eligrey.com
*
* License : https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md (MIT)
* source : http://purl.eligrey.com/github/FileSaver.js
*/
// The one and only way of getting global scope in all environments
// https://stackoverflow.com/q/3277182/1008999
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;

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
(function (global, factory) {
if (typeof define === "function" && define.amd) {
define([], factory);
} else if (typeof exports !== "undefined") {
factory();
} else {
var mod = {
exports: {}
};
} // 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
});
factory();
global.FileSaver = mod.exports;
}
})(void 0, function () {
"use strict";
/*
* FileSaver.js
* A saveAs() FileSaver implementation.
*
* By Eli Grey, http://eligrey.com
*
* License : https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md (MIT)
* source : http://purl.eligrey.com/github/FileSaver.js
*/
// The one and only way of getting global scope in all environments
// https://stackoverflow.com/q/3277182/1008999

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;

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;
}
return blob;
}

function download(url, name, opts) {
var xhr = new XMLHttpRequest();
xhr.open('GET', url);
xhr.responseType = '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.onload = function () {
saveAs(xhr.response, name, opts);
};

xhr.onerror = function () {
console.error('could not download file');
};
xhr.onerror = function () {
console.error('could not download file');
};

xhr.send();
}
xhr.send();
}

function corsEnabled(url) {
var xhr = new XMLHttpRequest(); // use sync to avoid popup blocker
function corsEnabled(url) {
var xhr = new XMLHttpRequest(); // use sync to avoid popup blocker

xhr.open('HEAD', url, false);
xhr.open('HEAD', url, false);

try {
xhr.send();
} catch (e) {}
try {
xhr.send();
} catch (e) {}

return xhr.status >= 200 && xhr.status <= 299;
} // `a.click()` doesn't work for all browsers (#465)
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 = /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);
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);
}
} 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';
} // 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

if (typeof blob === 'string') {
if (corsEnabled(blob)) {
download(blob, name, opts);
} else {
var a = document.createElement('a');

var isMacOSWebView = typeof navigator != 'undefined' ? /Macintosh/.test(navigator.userAgent) && /AppleWebKit/.test(navigator.userAgent) && !/Safari/.test(navigator.userAgent) : false;
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
: typeof HTMLAnchorElement != 'undefined' && '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;
a.target = '_blank';

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);
}
} 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...';
}
} // Use msSaveOrOpenBlob as a second approach
: typeof navigator != 'undefined' && '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';

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 isSafari = /constructor/i.test(_global.HTMLElement) || _global.safari;
var isChromeIOS = typeof navigator != 'undefined' ? /CriOS\/[\d]+/.test(navigator.userAgent) : false;

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();

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.onloadend = function () {
var url = reader.result;
url = isChromeIOS ? url : url.replace(/^data:[^;]*;/, 'data:attachment/file;');
if (popup) popup.location.href = url;else location = url;
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
};

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;

setTimeout(function () {
URL.revokeObjectURL(url);
}, 4E4); // 40s
if (typeof module !== 'undefined') {
module.exports = saveAs;
}
});
_global.saveAs = saveAs.saveAs = saveAs;

if (typeof module !== 'undefined') {
module.exports = saveAs;
}
});
2 changes: 1 addition & 1 deletion dist/FileSaver.min.js
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