Add missing padding to 'YYYY' format

Adds padding to the year component when formatted with `'YYYY'`, similar to how padding is handled for '`MM`' and '`DD`'. Fixes #2230
iamkun · Feb 7, 2023 · 37dbef2 · 37dbef2
1 parent e70bee7
commit 37dbef2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/index.js b/src/index.js
@@ -280,7 +280,7 @@ class Dayjs {
 
     const matches = {
       YY: String(this.$y).slice(-2),
-      YYYY: this.$y,
+      YYYY: Utils.s(this.$y, 4, '0'),
       M: $M + 1,
       MM: Utils.s($M + 1, 2, '0'),
       MMM: getShort(locale.monthsShort, $M, months, 3),