From 98498c691131158128b471bfcad16e8cf40a795e Mon Sep 17 00:00:00 2001
From: makoto14 <makoto.sasuke@gmail.com>
Date: Sun, 10 Mar 2024 22:57:28 +0900
Subject: [PATCH] [l10n] Improve Japanese (ja-JP) locale

---
 docs/data/data-grid/localization/data.json    |  2 +-
 docs/data/date-pickers/localization/data.json |  2 +-
 packages/x-data-grid/src/locales/jaJP.ts      |  6 ++--
 packages/x-date-pickers/src/locales/jaJP.ts   | 28 +++++++++----------
 4 files changed, 19 insertions(+), 19 deletions(-)

diff --git a/docs/data/data-grid/localization/data.json b/docs/data/data-grid/localization/data.json
index 65b342c980ad..2d51946c5876 100644
--- a/docs/data/data-grid/localization/data.json
+++ b/docs/data/data-grid/localization/data.json
@@ -139,7 +139,7 @@
     "languageTag": "ja-JP",
     "importName": "jaJP",
     "localeName": "Japanese",
-    "missingKeysCount": 3,
+    "missingKeysCount": 0,
     "totalKeysCount": 117,
     "githubLink": "https://github.com/mui/mui-x/blob/next/packages/x-data-grid/src/locales/jaJP.ts"
   },
diff --git a/docs/data/date-pickers/localization/data.json b/docs/data/date-pickers/localization/data.json
index 0a76129d0673..1ba2f8bb68bb 100644
--- a/docs/data/date-pickers/localization/data.json
+++ b/docs/data/date-pickers/localization/data.json
@@ -131,7 +131,7 @@
     "languageTag": "ja-JP",
     "importName": "jaJP",
     "localeName": "Japanese",
-    "missingKeysCount": 14,
+    "missingKeysCount": 0,
     "totalKeysCount": 50,
     "githubLink": "https://github.com/mui/mui-x/blob/next/packages/x-date-pickers/src/locales/jaJP.ts"
   },
diff --git a/packages/x-data-grid/src/locales/jaJP.ts b/packages/x-data-grid/src/locales/jaJP.ts
index 03604e992d98..2f98e640ffdb 100644
--- a/packages/x-data-grid/src/locales/jaJP.ts
+++ b/packages/x-data-grid/src/locales/jaJP.ts
@@ -38,9 +38,9 @@ const jaJPGrid: Partial<GridLocaleText> = {
   toolbarExportExcel: 'Excelダウンロード',
 
   // Columns management text
-  // columnsManagementSearchTitle: 'Search',
-  // columnsManagementNoColumns: 'No columns',
-  // columnsManagementShowHideAllText: 'Show/Hide All',
+  columnsManagementSearchTitle: '検索',
+  columnsManagementNoColumns: 'カラムなし',
+  columnsManagementShowHideAllText: 'すべて表示/非表示',
 
   // Filter panel text
   filterPanelAddFilter: 'フィルター追加',
diff --git a/packages/x-date-pickers/src/locales/jaJP.ts b/packages/x-date-pickers/src/locales/jaJP.ts
index b75376e3059a..6220e261c23b 100644
--- a/packages/x-date-pickers/src/locales/jaJP.ts
+++ b/packages/x-date-pickers/src/locales/jaJP.ts
@@ -26,10 +26,10 @@ const jaJPPickers: Partial<PickersLocaleText<any>> = {
   // DateRange labels
   start: '開始',
   end: '終了',
-  // startDate: 'Start date',
-  // startTime: 'Start time',
-  // endDate: 'End date',
-  // endTime: 'End time',
+  startDate: '開始日',
+  startTime: '開始時間',
+  endDate: '終了日',
+  endTime: '終了時間',
 
   // Action bar
   cancelButtonLabel: 'キャンセル',
@@ -68,7 +68,7 @@ const jaJPPickers: Partial<PickersLocaleText<any>> = {
     value !== null && utils.isValid(value)
       ? `時間を選択してください。選択した時間は ${utils.format(value, 'fullTime')} です`
       : '時間を選択してください',
-  // fieldClearLabel: 'Clear value',
+  fieldClearLabel: 'クリア',
 
   // Table labels
   timeTableLabel: '時間を選択',
@@ -85,17 +85,17 @@ const jaJPPickers: Partial<PickersLocaleText<any>> = {
   fieldMeridiemPlaceholder: () => 'aa',
 
   // View names
-  // year: 'Year',
-  // month: 'Month',
-  // day: 'Day',
-  // weekDay: 'Week day',
-  // hours: 'Hours',
-  // minutes: 'Minutes',
-  // seconds: 'Seconds',
-  // meridiem: 'Meridiem',
+  year: '年',
+  month: '月',
+  day: '日',
+  weekDay: '平日',
+  hours: '時間',
+  minutes: '分',
+  seconds: '秒',
+  meridiem: 'メリディム',
 
   // Common
-  // empty: 'Empty',
+  empty: '空',
 };
 
 export const jaJP = getPickersLocalization(jaJPPickers);