[ja] add preprocessor for width of alphabetic characters (#964)

* add japanese text preprocessor for variants in width of alphabetic characters

* try combining with numeric to improve performance

* Update ext/js/language/ja/japanese.js

Co-authored-by: Kuuuube <61125188+Kuuuube@users.noreply.github.com>
Signed-off-by: StefanVukovic99 <stefanvukovic44@gmail.com>

* Update ext/js/language/ja/japanese.js

Co-authored-by: Kuuuube <61125188+Kuuuube@users.noreply.github.com>
Signed-off-by: StefanVukovic99 <stefanvukovic44@gmail.com>

* fix tests

---------

Signed-off-by: StefanVukovic99 <stefanvukovic44@gmail.com>
Co-authored-by: Kuuuube <61125188+Kuuuube@users.noreply.github.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/test/japanese-util.test.js b/test/japanese-util.test.js
index bff51f85..63ac5cdf 100644
--- a/test/japanese-util.test.js
+++ b/test/japanese-util.test.js
@@ -178,17 +178,17 @@ describe('Japanese utility functions', () => {
         });
     });
 
-    describe('convertNumericToFullWidth', () => {
+    describe('convertAlphanumericToFullWidth', () => {
         /** @type {[string: string, expected: string][]} */
         const data = [
             ['0123456789', '０１２３４５６７８９'],
-            ['abcdefghij', 'abcdefghij'],
+            ['abcdefghij', 'ａｂｃｄｅｆｇｈｉｊ'],
             ['カタカナ', 'カタカナ'],
             ['ひらがな', 'ひらがな']
         ];
 
         test.each(data)('%s -> %o', (string, expected) => {
-            expect(jp.convertNumericToFullWidth(string)).toStrictEqual(expected);
+            expect(jp.convertAlphanumericToFullWidth(string)).toStrictEqual(expected);
         });
     });