4 files changed, 44 insertions, 34 deletions
diff --git a/src/types/Date.d.ts b/src/types/Date.d.ts
index e13ea08..cfdcbeb 100644
--- a/src/types/Date.d.ts
+++ b/src/types/Date.d.ts
@@ -1,37 +1,7 @@
-type Year = `${19 | 20}${Digit}${Digit}`;
-type Month = '01' | '02' | '03' | '04' | '05' | '06' | '07' | '08' | '09' | '10' | '11' | '12';
-type Day =
-  | '01'
-  | '02'
-  | '03'
-  | '04'
-  | '05'
-  | '06'
-  | '07'
-  | '08'
-  | '09'
-  | '10'
-  | '11'
-  | '12'
-  | '13'
-  | '14'
-  | '15'
-  | '16'
-  | '17'
-  | '18'
-  | '19'
-  | '20'
-  | '21'
-  | '22'
-  | '23'
-  | '24'
-  | '25'
-  | '26'
-  | '27'
-  | '28'
-  | '29'
-  | '30'
-  | '31';
+import type Year from './Year';
+import type Month from './Month';
+import type Day from './Day';
+
 type Date = `${Year}-${Month}-${Day}`;
 
 export default Date;
diff --git a/src/types/Day.d.ts b/src/types/Day.d.ts
new file mode 100644
index 0000000..1e25cf4
--- /dev/null
+++ b/src/types/Day.d.ts
@@ -0,0 +1,34 @@
+type Day =
+  | '01'
+  | '02'
+  | '03'
+  | '04'
+  | '05'
+  | '06'
+  | '07'
+  | '08'
+  | '09'
+  | '10'
+  | '11'
+  | '12'
+  | '13'
+  | '14'
+  | '15'
+  | '16'
+  | '17'
+  | '18'
+  | '19'
+  | '20'
+  | '21'
+  | '22'
+  | '23'
+  | '24'
+  | '25'
+  | '26'
+  | '27'
+  | '28'
+  | '29'
+  | '30'
+  | '31';
+
+export default Day;
diff --git a/src/types/Month.d.ts b/src/types/Month.d.ts
new file mode 100644
index 0000000..bfd5659
--- /dev/null
+++ b/src/types/Month.d.ts
@@ -0,0 +1,3 @@
+type Month = '01' | '02' | '03' | '04' | '05' | '06' | '07' | '08' | '09' | '10' | '11' | '12';
+
+export default Month;
diff --git a/src/types/Year.d.ts b/src/types/Year.d.ts
new file mode 100644
index 0000000..2575b4e
--- /dev/null
+++ b/src/types/Year.d.ts
@@ -0,0 +1,3 @@
+type Year = `${19 | 20}${Digit}${Digit}`;
+
+export default Year;