[JA] Add support for Hiragana

src/locales/ja/parsers/JPCasualDateParser.ts

@@ -3,15 +3,38 @@ import dayjs from "dayjs";
 import { Meridiem } from "../../../index";
 import * as references from "../../../common/casualReferences";
 
-const PATTERN = /今日|当日|昨日|明日|今夜|今夕|今晩|今朝/i;
+const PATTERN = /今日|きょう|当日|とうじつ|昨日|きのう|明日|あした|今夜|こんや|今夕|こんゆう|今晩|こんばん|今朝|けさ/i;
+
+function normalizeTextToKanji(str: string) {
+    switch (str) {
+        case "きょう":
+            return "今日";
+        case "とうじつ":
+            return "当日";
+        case "きのう":
+            return "昨日";
+        case "あした":
+            return "明日";
+        case "こんや":
+            return "今夜";
+        case "こんゆう":
+            return "今夕";
+        case "こんばん":
+            return "今晩";
+        case "けさ":
+            return "今朝";
+        default:
+            return str;
+    }
+}
 
 export default class JPCasualDateParser implements Parser {
     pattern() {
         return PATTERN;
     }
 
     extract(context: ParsingContext, match: RegExpMatchArray) {
-        const text = match[0];
+        const text = normalizeTextToKanji(match[0]);
 
         const date = dayjs(context.refDate);
         const components = context.createParsingComponents();

test/ja/ja_casual.test.ts

@@ -2,27 +2,90 @@ import * as chrono from "../../src/";
 import { testSingleCase } from "../test_util";
 
 test("Test - Single Expression", function () {
-    testSingleCase(chrono.ja, "今日感じたことを忘れずに", new Date(2012, 8 - 1, 10, 12), (result) => {
-        expect(result.index).toBe(0);
-        expect(result.text).toBe("今日");
+    function testToday(pattern: string) {
+        testSingleCase(chrono.ja, `${pattern}感じたことを忘れずに`, new Date(2012, 8 - 1, 10, 12), (result) => {
+            expect(result.index).toBe(0);
+            expect(result.text).toBe(pattern);
+            expect(result.start).not.toBeNull();
+            expect(result.start.get("year")).toBe(2012);
+            expect(result.start.get("month")).toBe(8);
+            expect(result.start.get("day")).toBe(10);
+            expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));
+        });
+    }
 
-        expect(result.start).not.toBeNull();
-        expect(result.start.get("year")).toBe(2012);
-        expect(result.start.get("month")).toBe(8);
-        expect(result.start.get("day")).toBe(10);
+    testToday("今日");
+    testToday("きょう");
 
-        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));
-    });
+    function testYesterday(pattern: string) {
+        testSingleCase(chrono.ja, `${pattern}の全国観測値ランキング`, new Date(2012, 8 - 1, 10, 12), (result) => {
+            expect(result.index).toBe(0);
+            expect(result.text).toBe(pattern);
 
-    testSingleCase(chrono.ja, "昨日の全国観測値ランキング", new Date(2012, 8 - 1, 10, 12), (result) => {
-        expect(result.index).toBe(0);
-        expect(result.text).toBe("昨日");
+            expect(result.start).not.toBeNull();
+            expect(result.start.get("year")).toBe(2012);
+            expect(result.start.get("month")).toBe(8);
+            expect(result.start.get("day")).toBe(9);
 
-        expect(result.start).not.toBeNull();
-        expect(result.start.get("year")).toBe(2012);
-        expect(result.start.get("month")).toBe(8);
-        expect(result.start.get("day")).toBe(9);
+            expect(result.start).toBeDate(new Date(2012, 8 - 1, 9, 12));
+        });
+    }
+    testYesterday("昨日");
+    testYesterday("きのう");
 
-        expect(result.start).toBeDate(new Date(2012, 8 - 1, 9, 12));
-    });
+    function testTomorrow(pattern: string) {
+        testSingleCase(chrono.ja, `${pattern}の天気は晴れです`, new Date(2012, 8 - 1, 10, 12), (result) => {
+            expect(result.index).toBe(0);
+            expect(result.text).toBe(pattern);
+
+            expect(result.start).not.toBeNull();
+            expect(result.start.get("year")).toBe(2012);
+            expect(result.start.get("month")).toBe(8);
+            expect(result.start.get("day")).toBe(11);
+
+            expect(result.start).toBeDate(new Date(2012, 8 - 1, 11, 12));
+        });
+    }
+
+    testTomorrow("明日");
+    testTomorrow("あした");
+
+    function testTonight(pattern: string) {
+        testSingleCase(chrono.ja, `${pattern}には雨が降るでしょう`, new Date(2012, 8 - 1, 10, 12), (result) => {
+            expect(result.index).toBe(0);
+            expect(result.text).toBe(pattern);
+
+            expect(result.start).not.toBeNull();
+            expect(result.start.get("year")).toBe(2012);
+            expect(result.start.get("month")).toBe(8);
+            expect(result.start.get("day")).toBe(10);
+            expect(result.start.get("meridiem")).toBe(chrono.Meridiem.PM);
+
+            expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 22));
+        });
+    }
+
+    testTonight("今夜");
+    testTonight("こんや");
+    testTonight("今夕");
+    testTonight("こんゆう");
+    testTonight("今晩");
+    testTonight("こんばん");
+
+    function testMorning(pattern: string) {
+        testSingleCase(chrono.ja, `${pattern}食べたパンは美味しかった`, new Date(2012, 8 - 1, 10, 12), (result) => {
+            expect(result.index).toBe(0);
+            expect(result.text).toBe(pattern);
+
+            expect(result.start).not.toBeNull();
+            expect(result.start.get("year")).toBe(2012);
+            expect(result.start.get("month")).toBe(8);
+            expect(result.start.get("day")).toBe(10);
+            expect(result.start.get("meridiem")).toBe(chrono.Meridiem.AM);
+
+            expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 6));
+        });
+    }
+    testMorning("今朝");
+    testMorning("けさ");
 });