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TiddlyWiki5/core/modules/savers/download.js
Joshua Fontany 33eef0202d
Adds $tw.utils.decodeURISafe and $tw.utils.decodeURIComponentSafe (#5999)
* call self.displayError

* Revert "call self.displayError"

This reverts commit 5d599aa979.

* fixes decodeURI & decodeURIComponent
2021-08-29 13:39:32 +01:00

85 lines
2.0 KiB
JavaScript

/*\
title: $:/core/modules/savers/download.js
type: application/javascript
module-type: saver
Handles saving changes via HTML5's download APIs
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
/*
Select the appropriate saver module and set it up
*/
var DownloadSaver = function(wiki) {
};
DownloadSaver.prototype.save = function(text,method,callback,options) {
options = options || {};
// Get the current filename
var filename = options.variables.filename;
if(!filename) {
var p = document.location.pathname.lastIndexOf("/");
if(p !== -1) {
// We decode the pathname because document.location is URL encoded by the browser
filename = $tw.utils.decodeURIComponentSafe(document.location.pathname.substr(p+1));
}
}
if(!filename) {
filename = "tiddlywiki.html";
}
// Set up the link
var link = document.createElement("a");
if(Blob !== undefined) {
var blob = new Blob([text], {type: "text/html"});
link.setAttribute("href", URL.createObjectURL(blob));
} else {
link.setAttribute("href","data:text/html," + encodeURIComponent(text));
}
link.setAttribute("download",filename);
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
// Callback that we succeeded
callback(null);
return true;
};
/*
Information about this saver
*/
DownloadSaver.prototype.info = {
name: "download",
priority: 100
};
Object.defineProperty(DownloadSaver.prototype.info, "capabilities", {
get: function() {
var capabilities = ["save", "download"];
if(($tw.wiki.getTextReference("$:/config/DownloadSaver/AutoSave") || "").toLowerCase() === "yes") {
capabilities.push("autosave");
}
return capabilities;
}
});
/*
Static method that returns true if this saver is capable of working
*/
exports.canSave = function(wiki) {
return document.createElement("a").download !== undefined;
};
/*
Create an instance of this saver
*/
exports.create = function(wiki) {
return new DownloadSaver(wiki);
};
})();