From 632765a3b5b101f4533eb0fd280f5e6d68a091c9 Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Fri, 24 Jan 2020 21:57:01 -0500
Subject: Change termsUniqueMap to use a real map

---
 ext/bg/js/translator.js | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/ext/bg/js/translator.js b/ext/bg/js/translator.js
index 8a58e224..9659798c 100644
--- a/ext/bg/js/translator.js
+++ b/ext/bg/js/translator.js
@@ -453,20 +453,21 @@ class Translator {
         // Create mapping of unique terms
         const expressionsUnique = [];
         const termsUnique = [];
-        const termsUniqueMap = {};
+        const termsUniqueMap = new Map();
         for (let i = 0, ii = terms.length; i < ii; ++i) {
             const term = terms[i];
             const expression = term.expression;
-            term.frequencies = [];
-
-            if (hasOwn(termsUniqueMap, expression)) {
-                termsUniqueMap[expression].push(term);
-            } else {
-                const termList = [term];
+            let termList = termsUniqueMap.get(expression);
+            if (typeof termList === 'undefined') {
+                termList = [];
                 expressionsUnique.push(expression);
                 termsUnique.push(termList);
                 termsUniqueMap[expression] = termList;
             }
+            termList.push(term);
+
+            // New data
+            term.frequencies = [];
         }
 
         const metas = await this.database.findTermMetaBulk(expressionsUnique, titles);
-- 
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