more cleanup

1 files changed, 35 insertions, 0 deletions

diff --git a/ext/fg/js/util.js b/ext/fg/js/util.js
new file mode 100644
index 00000000..311fc065
--- /dev/null
+++ b/ext/fg/js/util.js
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2016  Alex Yatskov <alex@foosoft.net>
+ * Author: Alex Yatskov <alex@foosoft.net>
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+function utilInvoke(action, params={}) {
+    return new Promise((resolve, reject) => {
+        try {
+            chrome.runtime.sendMessage({action, params}, ({result, error}) => {
+                if (error) {
+                    reject(error);
+                } else {
+                    resolve(result);
+                }
+            });
+        } catch (e) {
+            window.yomichanOrphaned = true;
+            reject(e.message);
+        }
+    });
+}