Dexie fixes

ext/bg/js/dictionary.js

@@ -20,7 +20,7 @@
 class Dictionary {
     constructor() {
         this.db = null;
-        this.dbVer = 5;
+        this.dbVer = 6;
         this.entities = null;
     }
 
@@ -144,13 +144,11 @@ class Dictionary {
             return Promise.reject('database not initialized');
         }
 
-        const tasks = [
-            this.db.terms.where('dictionary').equals(title).delete(),
-            this.db.kanji.where('dictionary').equals(title).delete(),
-            this.db.entities.where('dictionary').equals(title).delete()
-        ];
-
-        return Promise.all(tasks).then(() => {
+        return this.db.terms.where('dictionary').equals(title).delete().then(() => {
+            return this.db.kanji.where('dictionary').equals(title).delete();
+        }).then(() => {
+            return this.db.entities.where('dictionary').equals(title).delete();
+        }).then(() => {
             return this.db.dictionaries.where('title').equals(title).delete();
         });
     }

ext/bg/js/options-form.js

@@ -181,11 +181,11 @@ function populateDictionaries(opts) {
             container.append($(html));
         });
 
-        const dictDelete = $('.dict-delete');
-        dictDelete.click(() => {
-            const dict = dictDelete.closest('.dict');
+        $('.dict-delete').click(e => {
+            const dict = $(e.target).closest('.dict');
             const title = dict.data('title');
-            yomichan().translator.dictionary.deleteDictionary(title).then(() => dict.slideUp());
+            yomichan().translator.dictionary.deleteDictionary(title);
+            dict.slideUp();
         });
 
         container.find('.dict input').change(onOptionsChanged);