3 files changed, 22 insertions, 29 deletions
diff --git a/ext/bg/background.html b/ext/bg/background.html
index 863d1ab4..1bb36cf8 100644
--- a/ext/bg/background.html
+++ b/ext/bg/background.html
@@ -3,6 +3,7 @@
 <body>
     <script src="../lib/handlebars.min.js"></script>
     <script src="../lib/dexie.min.js"></script>
+    <script src="../lib/wanakana.min.js"></script>
     <script src="js/ankiweb.js"></script>
     <script src="js/ankiconnect.js"></script>
     <script src="js/ankinull.js"></script>
diff --git a/ext/bg/js/util.js b/ext/bg/js/util.js
index 1e033eef..f10e4291 100644
--- a/ext/bg/js/util.js
+++ b/ext/bg/js/util.js
@@ -30,6 +30,19 @@ function kanjiLinks(options) {
     return result;
 }
 
+function isKanji(c) {
+    const code = c.charCodeAt(0);
+    return code >= 0x4e00 && code < 0x9fb0 || code >= 0x3400 && code < 0x4dc0;
+}
+
+function promiseCallback(promise, callback) {
+    return promise.then(result => {
+       callback({result});
+    }).catch(error => {
+        callback({error});
+    });
+}
+
 function loadJson(url) {
     return new Promise((resolve, reject) => {
         const xhr = new XMLHttpRequest();
@@ -39,11 +52,6 @@ function loadJson(url) {
     });
 }
 
-function isKanji(c) {
-    const code = c.charCodeAt(0);
-    return code >= 0x4e00 && code < 0x9fb0 || code >= 0x3400 && code < 0x4dc0;
-}
-
 function sortTags(tags) {
     return tags.sort((v1, v2) => {
         const order1 = v1.order;
diff --git a/ext/bg/js/yomichan.js b/ext/bg/js/yomichan.js
index 4ba44588..3091e503 100644
--- a/ext/bg/js/yomichan.js
+++ b/ext/bg/js/yomichan.js
@@ -235,27 +235,15 @@ class Yomichan {
     }
 
     api_getOptions({callback}) {
-        loadOptions().then(result => {
-            callback({result});
-        }).catch(error => {
-            callback({error});
-        });
+        promiseCallback(loadOptions(), callback);
     }
 
     api_findKanji({text, callback}) {
-        this.translator.findKanji(text).then(result => {
-            callback({result});
-        }).catch(error => {
-            callback({error});
-        });
+        promiseCallback(this.translator.findKanji(text), callback);
     }
 
     api_findTerm({text, callback}) {
-        this.translator.findTerm(text).then(result => {
-            callback({result});
-        }).catch(error => {
-            callback({error});
-        });
+        promiseCallback(this.translator.findTerm(text), callback);
     }
 
     api_renderText({template, data, callback}) {
@@ -264,11 +252,7 @@ class Yomichan {
 
     api_addDefinition({definition, mode, callback}) {
         const note = this.formatNote(definition, mode);
-        this.anki.addNote(note).then(result => {
-            callback({result});
-        }).catch(error => {
-            callback({error});
-        });
+        promiseCallback(this.anki.addNote(note), callback);
     }
 
     api_canAddDefinitions({definitions, modes, callback}) {
@@ -279,7 +263,7 @@ class Yomichan {
             }
         }
 
-        this.anki.canAddNotes(notes).then(raw => {
+        const promise = this.anki.canAddNotes(notes).then(raw => {
             const states = [];
             for (let resultBase = 0; resultBase < raw.length; resultBase += modes.length) {
                 const state = {};
@@ -290,10 +274,10 @@ class Yomichan {
                 states.push(state);
             }
 
-            callback({result: states});
-        }).catch(error => {
-            callback({error});
+            return states;
         });
+
+        promiseCallback(promise, callback);
     }
 }