4 files changed, 10 insertions, 99 deletions

diff --git a/ext/bg/background.html b/ext/bg/background.html
index 44abe8fd..f7cf6e55 100644
--- a/ext/bg/background.html
+++ b/ext/bg/background.html
@@ -20,6 +20,7 @@
 
         <script src="/mixed/js/core.js"></script>
         <script src="/mixed/js/dom.js"></script>
+        <script src="/mixed/js/japanese.js"></script>
 
         <script src="/bg/js/anki.js"></script>
         <script src="/bg/js/anki-note-builder.js"></script>
diff --git a/ext/bg/js/japanese.js b/ext/bg/js/japanese.js
index d2a577e6..c5873cf1 100644
--- a/ext/bg/js/japanese.js
+++ b/ext/bg/js/japanese.js
@@ -17,10 +17,11 @@
  */
 
 /* global
+ * jp
  * wanakana
  */
 
-const jp = (() => {
+(() => {
     const HALFWIDTH_KATAKANA_MAPPING = new Map([
         ['ｦ', 'ヲヺ-'],
         ['ｧ', 'ァ--'],
@@ -80,101 +81,13 @@ const jp = (() => {
         ['ﾝ', 'ン--']
     ]);
 
-    const HIRAGANA_RANGE = [0x3040, 0x309f];
-    const KATAKANA_RANGE = [0x30a0, 0x30ff];
-    const KANA_RANGES = [HIRAGANA_RANGE, KATAKANA_RANGE];
-
-    const CJK_UNIFIED_IDEOGRAPHS_RANGE = [0x4e00, 0x9fff];
-    const CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A_RANGE = [0x3400, 0x4dbf];
-    const CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B_RANGE = [0x20000, 0x2a6df];
-    const CJK_UNIFIED_IDEOGRAPHS_EXTENSION_C_RANGE = [0x2a700, 0x2b73f];
-    const CJK_UNIFIED_IDEOGRAPHS_EXTENSION_D_RANGE = [0x2b740, 0x2b81f];
-    const CJK_UNIFIED_IDEOGRAPHS_EXTENSION_E_RANGE = [0x2b820, 0x2ceaf];
-    const CJK_UNIFIED_IDEOGRAPHS_EXTENSION_F_RANGE = [0x2ceb0, 0x2ebef];
-    const CJK_COMPATIBILITY_IDEOGRAPHS_SUPPLEMENT_RANGE = [0x2f800, 0x2fa1f];
-    const CJK_UNIFIED_IDEOGRAPHS_RANGES = [
-        CJK_UNIFIED_IDEOGRAPHS_RANGE,
-        CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A_RANGE,
-        CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B_RANGE,
-        CJK_UNIFIED_IDEOGRAPHS_EXTENSION_C_RANGE,
-        CJK_UNIFIED_IDEOGRAPHS_EXTENSION_D_RANGE,
-        CJK_UNIFIED_IDEOGRAPHS_EXTENSION_E_RANGE,
-        CJK_UNIFIED_IDEOGRAPHS_EXTENSION_F_RANGE,
-        CJK_COMPATIBILITY_IDEOGRAPHS_SUPPLEMENT_RANGE
-    ];
-
     const ITERATION_MARK_CODE_POINT = 0x3005;
 
-    // Japanese character ranges, roughly ordered in order of expected frequency
-    const JAPANESE_RANGES = [
-        HIRAGANA_RANGE,
-        KATAKANA_RANGE,
-
-        ...CJK_UNIFIED_IDEOGRAPHS_RANGES,
-
-        [0xff66, 0xff9f], // Halfwidth katakana
-
-        [0x30fb, 0x30fc], // Katakana punctuation
-        [0xff61, 0xff65], // Kana punctuation
-        [0x3000, 0x303f], // CJK punctuation
-
-        [0xff10, 0xff19], // Fullwidth numbers
-        [0xff21, 0xff3a], // Fullwidth upper case Latin letters
-        [0xff41, 0xff5a], // Fullwidth lower case Latin letters
-
-        [0xff01, 0xff0f], // Fullwidth punctuation 1
-        [0xff1a, 0xff1f], // Fullwidth punctuation 2
-        [0xff3b, 0xff3f], // Fullwidth punctuation 3
-        [0xff5b, 0xff60], // Fullwidth punctuation 4
-        [0xffe0, 0xffee]  // Currency markers
-    ];
-
-
-    // Character code testing functions
-
-    function isCodePointKanji(codePoint) {
-        return isCodePointInRanges(codePoint, CJK_UNIFIED_IDEOGRAPHS_RANGES);
-    }
-
-    function isCodePointKana(codePoint) {
-        return isCodePointInRanges(codePoint, KANA_RANGES);
-    }
-
-    function isCodePointJapanese(codePoint) {
-        return isCodePointInRanges(codePoint, JAPANESE_RANGES);
-    }
 
-    function isCodePointInRanges(codePoint, ranges) {
-        for (const [min, max] of ranges) {
-            if (codePoint >= min && codePoint <= max) {
-                return true;
-            }
-        }
-        return false;
-    }
+    // Existing functions
 
-
-    // String testing functions
-
-    function isStringEntirelyKana(str) {
-        if (str.length === 0) { return false; }
-        for (const c of str) {
-            if (!isCodePointKana(c.codePointAt(0))) {
-                return false;
-            }
-        }
-        return true;
-    }
-
-    function isStringPartiallyJapanese(str) {
-        if (str.length === 0) { return false; }
-        for (const c of str) {
-            if (isCodePointJapanese(c.codePointAt(0))) {
-                return true;
-            }
-        }
-        return false;
-    }
+    const isCodePointKanji = jp.isCodePointKanji;
+    const isStringEntirelyKana = jp.isStringEntirelyKana;
 
 
     // Conversion functions
@@ -469,12 +382,7 @@ const jp = (() => {
 
     // Exports
 
-    return {
-        isCodePointKanji,
-        isCodePointKana,
-        isCodePointJapanese,
-        isStringEntirelyKana,
-        isStringPartiallyJapanese,
+    Object.assign(jp, {
         convertKatakanaToHiragana,
         convertHiraganaToKatakana,
         convertToRomaji,
@@ -484,5 +392,5 @@ const jp = (() => {
         convertAlphabeticToKana,
         distributeFurigana,
         distributeFuriganaInflected
-    };
+    });
 })();
diff --git a/ext/bg/search.html b/ext/bg/search.html
index f4c1a737..eacc1893 100644
--- a/ext/bg/search.html
+++ b/ext/bg/search.html
@@ -74,6 +74,7 @@
         <script src="/mixed/js/core.js"></script>
         <script src="/mixed/js/dom.js"></script>
         <script src="/mixed/js/api.js"></script>
+        <script src="/mixed/js/japanese.js"></script>
 
         <script src="/bg/js/dictionary.js"></script>
         <script src="/bg/js/handlebars.js"></script>
diff --git a/ext/bg/settings.html b/ext/bg/settings.html
index 0db76d71..cfe20be4 100644
--- a/ext/bg/settings.html
+++ b/ext/bg/settings.html
@@ -1088,6 +1088,7 @@
         <script src="/mixed/js/core.js"></script>
         <script src="/mixed/js/dom.js"></script>
         <script src="/mixed/js/api.js"></script>
+        <script src="/mixed/js/japanese.js"></script>
 
         <script src="/bg/js/anki.js"></script>
         <script src="/bg/js/anki-note-builder.js"></script>