Split dictionary order and index sorting (#1491)

* Refactor expression comparison

* Rename function

* Add dictionary index sorting

* Update test data

1 files changed, 7 insertions, 19 deletions

diff --git a/ext/js/background/backend.js b/ext/js/background/backend.js
index 498b94db..f61e60b6 100644
--- a/ext/js/background/backend.js
+++ b/ext/js/background/backend.js
@@ -1898,30 +1898,18 @@ class Backend {
     }
 
     _getTranslatorEnabledDictionaryMap(options) {
-        const dictionaries = [];
-        const {dictionaries: optionsDictionaries} = options;
-        for (const title in optionsDictionaries) {
-            if (!Object.prototype.hasOwnProperty.call(optionsDictionaries, title)) { continue; }
-            const dictionary = optionsDictionaries[title];
+        const enabledDictionaryMap = new Map();
+        const {dictionaries} = options;
+        for (const title in dictionaries) {
+            if (!Object.prototype.hasOwnProperty.call(dictionaries, title)) { continue; }
+            const dictionary = dictionaries[title];
             if (!dictionary.enabled) { continue; }
-            dictionaries.push({
-                title,
-                index: dictionaries.length,
+            enabledDictionaryMap.set(title, {
+                index: enabledDictionaryMap.size,
                 priority: dictionary.priority,
                 allowSecondarySearches: dictionary.allowSecondarySearches
             });
         }
-
-        dictionaries.sort((v1, v2) => {
-            const i = v2.priority - v1.priority;
-            return i !== 0 ? i : v1.index - v2.index;
-        });
-
-        const enabledDictionaryMap = new Map();
-        for (let i = 0, ii = dictionaries.length; i < ii; ++i) {
-            const {title, allowSecondarySearches} = dictionaries[i];
-            enabledDictionaryMap.set(title, {order: i, allowSecondarySearches});
-        }
         return enabledDictionaryMap;
     }