wallet-core/lib/module-trampoline.js
2016-03-01 19:56:41 +01:00

81 lines
1.9 KiB
JavaScript

/*
This file is part of TALER
(C) 2016 GNUnet e.V.
TALER is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
TALER is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
*/
/**
* Boilerplate to initialize the module system and call main()
*
* @author Florian Dold
*/
"use strict";
if (typeof System === "undefined") {
throw Error("system loader not present (must be included before the" +
" trampoline");
}
System.config({
defaultJSExtensions: true,
});
// Register mithril as a module,
// but only if it is ambient.
if (m) {
let mod = System.newModule({default: m});
let modName = "mithril";
System.set(modName, mod);
}
let me = window.location.protocol
+ "//" + window.location.host
+ window.location.pathname.replace(/[.]html$/, ".js");
let domLoaded = false;
document.addEventListener("DOMContentLoaded", function(event) {
domLoaded = true;
});
function execMain(m) {
if (m.main) {
console.log("executing module main");
m.main();
} else {
console.warn("module does not export a main() function");
}
}
console.log("loading", me);
System.import(me)
.then((m) => {
console.log("module imported", me);
if (domLoaded) {
execMain(m);
return;
}
document.addEventListener("DOMContentLoaded", function(event) {
execMain(m);
});
})
.catch((e) => {
console.log("trampoline failed");
console.error(e.stack);
});