talksik/FileSaver.js
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

rc.2

Browse Source 
Dispatch event instead of using a.click()
closes #465

added a changelog
closes #466

Made third argument as a object instead for easier transition to v2
This commit is contained in:
Jimmy Wärting
2018-09-26 17:04:34 +02:00
parent f3b45ae580
commit 70c261d026
8 changed files with 106 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files
dist/FileSaver.js
Vendored
+37 -15
View File
@@ -40,11 +40,18 @@
}
}();
function bom(blob, autoBom) {
if (!autoBom) return blob; // prepend BOM for UTF-8 XML and text/* types (including HTML)
function bom(blob, opts) {
if (typeof opts === 'undefined') opts = {
autoBom: false
};else if (typeof opts !== 'object') {
console.warn('Depricated: 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 (/^\s*(?:text\/\S*|application\/xml|\S*\/\S*\+xml)\s*;.*charset\s*=\s*utf-8/i.test(blob.type)) {
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
});
@@ -53,13 +60,13 @@
return blob;
}
function download(url, name, autoBom) {
function download(url, name, opts) {
var xhr = new XMLHttpRequest();
xhr.open('GET', url);
xhr.responseType = 'blob';
xhr.onload = function () {
saveAs(xhr.response, name, autoBom);
saveAs(xhr.response, name, opts);
};
xhr.onerror = function () {
@@ -75,13 +82,24 @@
xhr.open('HEAD', url, false);
xhr.send();
return xhr.status >= 200 && xhr.status <= 299;
} // `a.click()` don'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);
}
}
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)
: 'download' in HTMLAnchorElement.prototype ? function saveAs(blob, name, autoBom) {
: 'download' in HTMLAnchorElement.prototype ? function saveAs(blob, name, opts) {
var URL = _global.URL || _global.webkitURL;
var a = document.createElement('a');
name = name || blob.name || 'download';
@@ -95,9 +113,9 @@
a.href = blob;
if (a.origin !== location.origin) {
corsEnabled(a.href) ? download(blob, name, autoBom) : a.click(a.target = '_blank');
corsEnabled(a.href) ? download(blob, name, opts) : click(a, a.target = '_blank');
} else {
a.click();
click(a);
}
} else {
// Support blobs
@@ -106,26 +124,30 @@
URL.revokeObjectURL(a.href);
}, 4E4); // 40s
setTimeout(a.click.bind(a), 0);
setTimeout(function () {
click(a);
}, 0);
}
} // Use msSaveOrOpenBlob as a second approch
: 'msSaveOrOpenBlob' in navigator ? function saveAs(blob, name, autoBom) {
: 'msSaveOrOpenBlob' in navigator ? function saveAs(blob, name, opts) {
name = name || blob.name || 'download';
if (typeof blob === 'string') {
if (corsEnabled(blob)) {
download(blob, name, autoBom);
download(blob, name, opts);
} else {
var a = document.createElement('a');
a.href = blob;
a.target = '_blank';
setTimeout(a.click.bind(a));
setTimeout(function () {
clikc(a);
});
}
} else {
navigator.msSaveOrOpenBlob(bom(blob, autoBom), name);
navigator.msSaveOrOpenBlob(bom(blob, opts), name);
}
} // Fallback to using FileReader and a popup
: function saveAs(blob, name, autoBom, popup) {
: function saveAs(blob, name, opts, popup) {
// Open a popup immediately do go around popup blocker
// Mostly only avalible on user interaction and the fileReader is async so...
popup = popup || open('', '_blank');
@@ -134,7 +156,7 @@
popup.document.title = popup.document.body.innerText = 'downloading...';
}
if (typeof blob === 'string') return download(blob, name, autoBom);
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;