--- /dev/null
+var saveAs = saveAs || (function(view) {
+ "use strict";
+ // IE <10 is explicitly unsupported
+ if (typeof view === "undefined" || typeof navigator !== "undefined" && /MSIE [1-9]\./.test(navigator.userAgent)) {
+ return;
+ }
+ var
+ doc = view.document
+ // only get URL when necessary in case Blob.js hasn't overridden it yet
+ , get_URL = function() {
+ return view.URL || view.webkitURL || view;
+ }
+ , save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
+ , can_use_save_link = "download" in save_link
+ , click = function(node) {
+ var event = new MouseEvent("click");
+ node.dispatchEvent(event);
+ }
+ , is_safari = /constructor/i.test(view.HTMLElement)
+ , throw_outside = function(ex) {
+ (view.setImmediate || view.setTimeout)(function() {
+ throw ex;
+ }, 0);
+ }
+ , force_saveable_type = "application/octet-stream"
+ // 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
+ get_URL().revokeObjectURL(file);
+ } else { // file is a File
+ file.remove();
+ }
+ };
+ setTimeout(revoker, arbitrary_revoke_timeout);
+ }
+ , dispatch = function(filesaver, event_types, event) {
+ event_types = [].concat(event_types);
+ var i = event_types.length;
+ while (i--) {
+ var listener = filesaver["on" + event_types[i]];
+ if (typeof listener === "function") {
+ try {
+ listener.call(filesaver, event || filesaver);
+ } catch (ex) {
+ throw_outside(ex);
+ }
+ }
+ }
+ }
+ , 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([String.fromCharCode(0xFEFF), blob], {type: blob.type});
+ }
+ return blob;
+ }
+ , FileSaver = function(blob, name, no_auto_bom) {
+ if (!no_auto_bom) {
+ blob = auto_bom(blob);
+ }
+ // First try a.download, then web filesystem, then object URLs
+ var
+ filesaver = this
+ , type = blob.type
+ , force = type === force_saveable_type
+ , object_url
+ , dispatch_all = function() {
+ dispatch(filesaver, "writestart progress write writeend".split(" "));
+ }
+ // on any filesys errors revert to saving with object URLs
+ , fs_error = function() {
+ if (force && is_safari && view.FileReader) {
+ // Safari doesn't allow downloading of blob urls
+ var reader = new FileReader();
+ reader.onloadend = function() {
+ var base64Data = reader.result;
+ view.location.href = "data:attachment/file" + base64Data.slice(base64Data.search(/[,;]/));
+ filesaver.readyState = filesaver.DONE;
+ dispatch_all();
+ };
+ reader.readAsDataURL(blob);
+ filesaver.readyState = filesaver.INIT;
+ return;
+ }
+ // don't create more object URLs than needed
+ if (!object_url) {
+ object_url = get_URL().createObjectURL(blob);
+ }
+ if (force) {
+ view.location.href = object_url;
+ } else {
+ 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);
+ }
+ ;
+ filesaver.readyState = filesaver.INIT;
+
+ if (can_use_save_link) {
+ object_url = get_URL().createObjectURL(blob);
+ setTimeout(function() {
+ save_link.href = object_url;
+ save_link.download = name;
+ click(save_link);
+ dispatch_all();
+ revoke(object_url);
+ filesaver.readyState = filesaver.DONE;
+ });
+ return;
+ }
+
+ fs_error();
+ }
+ , FS_proto = FileSaver.prototype
+ , saveAs = function(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);
+ };
+ }
+
+ FS_proto.abort = function(){};
+ FS_proto.readyState = FS_proto.INIT = 0;
+ FS_proto.WRITING = 1;
+ FS_proto.DONE = 2;
+
+ FS_proto.error =
+ FS_proto.onwritestart =
+ FS_proto.onprogress =
+ FS_proto.onwrite =
+ FS_proto.onabort =
+ FS_proto.onerror =
+ FS_proto.onwriteend =
+ null;
+
+ return saveAs;
+ }(
+ typeof self !== "undefined" && self
+ || typeof window !== "undefined" && window
+ || this.content
+ ));
+// `self` is undefined in Firefox for Android content script context
+// while `this` is nsIContentFrameMessageManager
+// with an attribute `content` that corresponds to the window
+
+if (typeof module !== "undefined" && module.exports) {
+ module.exports.saveAs = saveAs;
+} else if ((typeof define !== "undefined" && define !== null) && (define.amd !== null)) {
+ define([], function() {
+ return saveAs;
+ });
+}
\ No newline at end of file
Code Review / policy / engine.git / blobdiff