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-rw-r--r--lib/module-trampoline.js78
1 files changed, 78 insertions, 0 deletions
diff --git a/lib/module-trampoline.js b/lib/module-trampoline.js
new file mode 100644
index 000000000..22173aa42
--- /dev/null
+++ b/lib/module-trampoline.js
@@ -0,0 +1,78 @@
+/*
+ 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()
+ */
+
+"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);
+ }); \ No newline at end of file