fix: createDateFormatter

src/formatDate.ts

@@ -1,7 +1,9 @@
 import { curry } from './curry';
+import { parseDate } from './parseDate';
 
-export const createDateFormatter = curry((locale: string, date: Date | string) => {
-  return date ? new Intl.DateTimeFormat(locale).format(new Date(date)) : null;
+export const createDateFormatter = curry((locale: string, value: Date | string) => {
+  const date = parseDate(value);
+  return date ? new Intl.DateTimeFormat(locale).format(date) : value;
 });
 
 export const formatBRDate = createDateFormatter('pt-BR');

src/index.ts

@@ -44,6 +44,7 @@ export * from './not';
 export * from './obj2arr';
 export * from './omit';
 export * from './parseCurrency';
+export * from './parseDate';
 export * from './parseJSON';
 export * from './parseJWT';
 export * from './pascalCase';

src/parseDate.ts

@@ -0,0 +1,17 @@
+import { isString } from './isString';
+
+export function parseDate(date?: unknown) {
+  if (date instanceof Date) return date;
+  if (isString(date)) {
+    let arr;
+    const rx1 = /^(\d{4})-(\d{2})-(\d{2})/;
+    const rx2 = /^(\d{2})\/(\d{2})\/(\d{4})/;
+    const getDate = ([y, m, d]: string[]) => {
+      const val = new Date(~~y, ~~m - 1, ~~d, 0, 0, 0);
+      return ~~m <= 12 && val.getTime() ? val : null;
+    };
+    if ((arr = date.match(rx1))) return getDate(arr.slice(1, 4));
+    if ((arr = date.match(rx2))) return getDate(arr.slice(1, 4).reverse());
+  }
+  return null;
+}