From 7d706df66b4cd68d6ac430c2e3e8b9f3a7f4b6ae Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Thu, 7 Jan 2021 20:24:22 -0500
Subject: [PATCH] Update DictionaryDataUtil to be able to be used in a sandbox
 frame (#1206)

---
 .eslintrc.json                       |  6 ++++--
 ext/mixed/js/dictionary-data-util.js | 30 ++++++++++++++++++++++++++--
 2 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/.eslintrc.json b/.eslintrc.json
index 4839447e..f9ca5814 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -84,7 +84,8 @@
         {
             "files": [
                 "ext/mixed/js/core.js",
-                "ext/bg/js/template-renderer.js"
+                "ext/bg/js/template-renderer.js",
+                "ext/mixed/js/dictionary-data-util.js"
             ],
             "env": {
                 "webextensions": false
@@ -94,7 +95,8 @@
             "files": ["ext/**/*.js"],
             "excludedFiles": [
                 "ext/mixed/js/core.js",
-                "ext/bg/js/template-renderer.js"
+                "ext/bg/js/template-renderer.js",
+                "ext/mixed/js/dictionary-data-util.js"
             ],
             "globals": {
                 "errorToJson": "readonly",
diff --git a/ext/mixed/js/dictionary-data-util.js b/ext/mixed/js/dictionary-data-util.js
index c049d591..8d8772fe 100644
--- a/ext/mixed/js/dictionary-data-util.js
+++ b/ext/mixed/js/dictionary-data-util.js
@@ -52,8 +52,8 @@ class DictionaryDataUtil {
                 const exclusiveExpressions = [];
                 const exclusiveReadings = [];
                 const resultExpressions = result.expressions;
-                if (!areSetsEqual(resultExpressions, allExpressions)) {
-                    exclusiveExpressions.push(...getSetIntersection(resultExpressions, allExpressions));
+                if (!this._areSetsEqual(resultExpressions, allExpressions)) {
+                    exclusiveExpressions.push(...this._getSetIntersection(resultExpressions, allExpressions));
                 }
                 if (multipleReadings) {
                     exclusiveReadings.push(result.reading);
@@ -71,6 +71,8 @@ class DictionaryDataUtil {
         return results2;
     }
 
+    // Private
+
     static _findExistingPitchAccentInfo(reading, position, tags, pitchAccentInfoList) {
         for (const pitchInfo of pitchAccentInfoList) {
             if (
@@ -98,4 +100,28 @@ class DictionaryDataUtil {
 
         return true;
     }
+
+    static _areSetsEqual(set1, set2) {
+        if (set1.size !== set2.size) {
+            return false;
+        }
+
+        for (const value of set1) {
+            if (!set2.has(value)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    static _getSetIntersection(set1, set2) {
+        const result = [];
+        for (const value of set1) {
+            if (set2.has(value)) {
+                result.push(value);
+            }
+        }
+        return result;
+    }
 }