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Diffstat (limited to 'src/module-trampoline.js')
-rw-r--r-- | src/module-trampoline.js | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/module-trampoline.js b/src/module-trampoline.js new file mode 100644 index 000000000..20ed91638 --- /dev/null +++ b/src/module-trampoline.js @@ -0,0 +1,73 @@ +/* + 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, 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, + map: { + src: "/src/", + }, +}); + +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"); + let res = 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); + }); |