Merge pull request #297 from gecko655/jp-reiwa-gannen

Implement 令和('reiwa' Japanese era) (2019〜) and 元年(the 1st year of the year)
wanasit · Jul 28, 2019 · af907f5 · af907f5
2 parents 52c39c0 + 33fc8dc
commit af907f5
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Showing 2 changed files with 28 additions and 5 deletions.
diff --git a/src/parsers/ja/JPStandardParser.js b/src/parsers/ja/JPStandardParser.js
@@ -9,7 +9,7 @@ var Parser = require('../parser').Parser;
 var ParsedResult = require('../../result').ParsedResult;
 
 var util  = require('../../utils/JP'); 
-var PATTERN = /(?:(同|((昭和|平成)?([0-9０-９]{2,4})))年\s*)?([0-9０-９]{1,2})月\s*([0-9０-９]{1,2})日/i;
+var PATTERN = /(?:(同|((昭和|平成|令和)?([0-9０-９]{2,4}|元)))年\s*)?([0-9０-９]{1,2})月\s*([0-9０-９]{1,2})日/i;
 
 var YEAR_GROUP        = 2;
 var ERA_GROUP         = 3;
@@ -67,10 +67,16 @@ exports.Parser = function JPStandardParser(){
 
         } else {
             var year = match[YEAR_NUMBER_GROUP];
-            year = util.toHankaku(year);
-            year = parseInt(year);
+            if (year == '元') {
+                year = 1;
+            } else {
+                year = util.toHankaku(year);
+                year = parseInt(year);
+            }
 
-            if (match[ERA_GROUP] == '平成') {
+            if (match[ERA_GROUP] == '令和') {
+                year += 2018;
+            } else if (match[ERA_GROUP] == '平成') {
                 year += 1988;
             } else if (match[ERA_GROUP] == '昭和') {
                 year += 1925;

diff --git a/test/ja/ja_standard.test.js b/test/ja/ja_standard.test.js
@@ -99,7 +99,24 @@ test("Test - Single Expression", function() {
         expect(expectDate.getTime()).toBeCloseTo(resultDate.getTime())
     } 
 
-
+    var text = "主な株主（令和元年5月1日）";
+    var results = chrono.parse(text, new Date(2012,8-1,10));
+    expect(results.length).toBe(1)
+
+    var result = results[0];
+    if (result) {
+        expect(result.index).toBe(5)
+        expect(result.text).toBe('令和元年5月1日')
+
+        expect(result.start).not.toBeNull()
+        expect(result.start.get('year')).toBe(2019)
+        expect(result.start.get('month')).toBe(5)
+        expect(result.start.get('day')).toBe(1)
+
+        var resultDate = result.start.date();
+        var expectDate = new Date(2019, 5-1, 1, 12);
+        expect(expectDate.getTime()).toBeCloseTo(resultDate.getTime())
+    }
 });