dani
/
vroom
mirror of https://github.com/dani/vroom.git
1
0
Fork 0
Code Issues Releases Wiki Activity

Update FileSaver.js

Browse Source
master
Daniel Berteaud 8 years ago
parent 46b97aac33
commit 7cb5957d71
1 changed files with 35 additions and 117 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 152
      public/js/FileSaver.js

152
public/js/FileSaver.js
Unescape View File

@ -1,6 +1,7 @@
/* FileSaver.js
* A saveAs() FileSaver implementation.
* 1.1.20151003
* 1.3.2
* 2016-06-16 18:25:19
*
* By Eli Grey, http://eligrey.com
* License: MIT
@ -15,7 +16,7 @@
var saveAs = saveAs || (function(view) {
"use strict";
// IE <10 is explicitly unsupported
if (typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
if (typeof view === "undefined" || typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
return;
}
var
@ -30,20 +31,16 @@ var saveAs = saveAs || (function(view) {
var event = new MouseEvent("click");
node.dispatchEvent(event);
}
, is_safari = /Version\/[\d\.]+.*Safari/.test(navigator.userAgent)
, webkit_req_fs = view.webkitRequestFileSystem
, req_fs = view.requestFileSystem || webkit_req_fs || view.mozRequestFileSystem
, is_safari = /constructor/i.test(view.HTMLElement)
, is_chrome_ios =/CriOS\/[\d]+/.test(navigator.userAgent)
, throw_outside = function(ex) {
(view.setImmediate || view.setTimeout)(function() {
throw ex;
}, 0);
}
, force_saveable_type = "application/octet-stream"
, fs_min_size = 0
// See https://code.google.com/p/chromium/issues/detail?id=375297#c7 and
// https://github.com/eligrey/FileSaver.js/commit/485930a#commitcomment-8768047
// for the reasoning behind the timeout and revocation flow
, arbitrary_revoke_timeout = 500 // in ms
// the Blob API is fundamentally broken as there is no "downloadfinished" event to subscribe to
, arbitrary_revoke_timeout = 1000 * 40 // in ms
, revoke = function(file) {
var revoker = function() {
if (typeof file === "string") { // file is an object URL
@ -52,11 +49,7 @@ var saveAs = saveAs || (function(view) {
file.remove();
}
};
if (view.chrome) {
revoker();
} else {
setTimeout(revoker, arbitrary_revoke_timeout);
}
setTimeout(revoker, arbitrary_revoke_timeout);
}
, dispatch = function(filesaver, event_types, event) {
event_types = [].concat(event_types);
@ -74,8 +67,9 @@ var saveAs = saveAs || (function(view) {
}
, auto_bom = function(blob) {
// 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)) {
return new Blob(["\ufeff", blob], {type: blob.type});
return new Blob([String.fromCharCode(0xFEFF), blob], {type: blob.type});
}
return blob;
}
@ -87,20 +81,21 @@ var saveAs = saveAs || (function(view) {
var
filesaver = this
, type = blob.type
, blob_changed = false
, force = type === force_saveable_type
, object_url
, target_view
, dispatch_all = function() {
dispatch(filesaver, "writestart progress write writeend".split(" "));
}
// on any filesys errors revert to saving with object URLs
, fs_error = function() {
if (target_view && is_safari && typeof FileReader !== "undefined") {
if ((is_chrome_ios || (force && is_safari)) && view.FileReader) {
// Safari doesn't allow downloading of blob urls
var reader = new FileReader();
reader.onloadend = function() {
var base64Data = reader.result;
target_view.location.href = "data:attachment/file" + base64Data.slice(base64Data.search(/[,;]/));
var url = is_chrome_ios ? reader.result : reader.result.replace(/^data:[^;]*;/, 'data:attachment/file;');
var popup = view.open(url, '_blank');
if(!popup) view.location.href = url;
url=undefined; // release reference before dispatching
filesaver.readyState = filesaver.DONE;
dispatch_all();
};
@ -109,41 +104,30 @@ var saveAs = saveAs || (function(view) {
return;
}
// don't create more object URLs than needed
if (blob_changed || !object_url) {
if (!object_url) {
object_url = get_URL().createObjectURL(blob);
}
if (target_view) {
target_view.location.href = object_url;
if (force) {
view.location.href = object_url;
} else {
var new_tab = view.open(object_url, "_blank");
if (new_tab == undefined && is_safari) {
//Apple do not allow window.open, see http://bit.ly/1kZffRI
view.location.href = object_url
var opened = view.open(object_url, "_blank");
if (!opened) {
// Apple does not allow window.open, see https://developer.apple.com/library/safari/documentation/Tools/Conceptual/SafariExtensionGuide/WorkingwithWindowsandTabs/WorkingwithWindowsandTabs.html
view.location.href = object_url;
}
}
filesaver.readyState = filesaver.DONE;
dispatch_all();
revoke(object_url);
}
, abortable = function(func) {
return function() {
if (filesaver.readyState !== filesaver.DONE) {
return func.apply(this, arguments);
}
};
}
, create_if_not_found = {create: true, exclusive: false}
, slice
;
filesaver.readyState = filesaver.INIT;
if (!name) {
name = "download";
}
if (can_use_save_link) {
object_url = get_URL().createObjectURL(blob);
save_link.href = object_url;
save_link.download = name;
setTimeout(function() {
save_link.href = object_url;
save_link.download = name;
click(save_link);
dispatch_all();
revoke(object_url);
@ -151,93 +135,27 @@ var saveAs = saveAs || (function(view) {
});
return;
}
// Object and web filesystem URLs have a problem saving in Google Chrome when
// viewed in a tab, so I force save with application/octet-stream
// http://code.google.com/p/chromium/issues/detail?id=91158
// Update: Google errantly closed 91158, I submitted it again:
// https://code.google.com/p/chromium/issues/detail?id=389642
if (view.chrome && type && type !== force_saveable_type) {
slice = blob.slice || blob.webkitSlice;
blob = slice.call(blob, 0, blob.size, force_saveable_type);
blob_changed = true;
}
// Since I can't be sure that the guessed media type will trigger a download
// in WebKit, I append .download to the filename.
// https://bugs.webkit.org/show_bug.cgi?id=65440
if (webkit_req_fs && name !== "download") {
name += ".download";
}
if (type === force_saveable_type || webkit_req_fs) {
target_view = view;
}
if (!req_fs) {
fs_error();
return;
}
fs_min_size += blob.size;
req_fs(view.TEMPORARY, fs_min_size, abortable(function(fs) {
fs.root.getDirectory("saved", create_if_not_found, abortable(function(dir) {
var save = function() {
dir.getFile(name, create_if_not_found, abortable(function(file) {
file.createWriter(abortable(function(writer) {
writer.onwriteend = function(event) {
target_view.location.href = file.toURL();
filesaver.readyState = filesaver.DONE;
dispatch(filesaver, "writeend", event);
revoke(file);
};
writer.onerror = function() {
var error = writer.error;
if (error.code !== error.ABORT_ERR) {
fs_error();
}
};
"writestart progress write abort".split(" ").forEach(function(event) {
writer["on" + event] = filesaver["on" + event];
});
writer.write(blob);
filesaver.abort = function() {
writer.abort();
filesaver.readyState = filesaver.DONE;
};
filesaver.readyState = filesaver.WRITING;
}), fs_error);
}), fs_error);
};
dir.getFile(name, {create: false}, abortable(function(file) {
// delete file if it already exists
file.remove();
save();
}), abortable(function(ex) {
if (ex.code === ex.NOT_FOUND_ERR) {
save();
} else {
fs_error();
}
}));
}), fs_error);
}), fs_error);
fs_error();
}
, FS_proto = FileSaver.prototype
, saveAs = function(blob, name, no_auto_bom) {
return new FileSaver(blob, name, no_auto_bom);
return new FileSaver(blob, name || blob.name || "download", no_auto_bom);
}
;
// IE 10+ (native saveAs)
if (typeof navigator !== "undefined" && navigator.msSaveOrOpenBlob) {
return function(blob, name, no_auto_bom) {
name = name || blob.name || "download";
if (!no_auto_bom) {
blob = auto_bom(blob);
}
return navigator.msSaveOrOpenBlob(blob, name || "download");
return navigator.msSaveOrOpenBlob(blob, name);
};
}
FS_proto.abort = function() {
var filesaver = this;
filesaver.readyState = filesaver.DONE;
dispatch(filesaver, "abort");
};
FS_proto.abort = function(){};
FS_proto.readyState = FS_proto.INIT = 0;
FS_proto.WRITING = 1;
FS_proto.DONE = 2;
@ -263,8 +181,8 @@ var saveAs = saveAs || (function(view) {
if (typeof module !== "undefined" && module.exports) {
module.exports.saveAs = saveAs;
} else if ((typeof define !== "undefined" && define !== null) && (define.amd != null)) {
define([], function() {
} else if ((typeof define !== "undefined" && define !== null) && (define.amd !== null)) {
define("FileSaver.js", function() {
return saveAs;
});
}

Write Preview
Loading…
Cancel
Save