fix(std/datetime): partsToDate (denoland#8553)

std/datetime/formatter.ts

@@ -511,6 +511,28 @@ export class DateTimeFormatter {
  return parts;
  }
 
+ /** sort & filter dateTimeFormatPart */
+ sortDateTimeFormatPart(parts: DateTimeFormatPart[]): DateTimeFormatPart[] {
+ let result: DateTimeFormatPart[] = [];
+ const typeArray = [
+ "year",
+ "month",
+ "day",
+ "hour",
+ "minute",
+ "second",
+ "fractionalSecond",
+ ];
+ for (const type of typeArray) {
+ const current = parts.findIndex((el) => el.type === type);
+ if (current !== -1) {
+ result = result.concat(parts.splice(current, 1));
+ }
+ }
+ result = result.concat(parts);
+ return result;
+ }
+
  partsToDate(parts: DateTimeFormatPart[]): Date {
  const date = new Date();
  const utc = parts.find(
@@ -566,6 +588,7 @@ export class DateTimeFormatter {
 
  parse(string: string): Date {
  const parts = this.parseToParts(string);
- return this.partsToDate(parts);
+ const sortParts = this.sortDateTimeFormatPart(parts);
+ return this.partsToDate(sortParts);
  }
 }

std/datetime/mod.ts

@@ -28,7 +28,8 @@ enum Day {
 export function parse(dateString: string, formatString: string): Date {
  const formatter = new DateTimeFormatter(formatString);
  const parts = formatter.parseToParts(dateString);
- return formatter.partsToDate(parts);
+ const sortParts = formatter.sortDateTimeFormatPart(parts);
+ return formatter.partsToDate(sortParts);
 }
 
 /**

std/datetime/test.ts

@@ -53,6 +53,10 @@ Deno.test({
  datetime.parse("03-01-2019", "dd-MM-yyyy"),
  new Date(2019, 0, 3),
  );
+ assertEquals(
+ datetime.parse("31-10-2019", "dd-MM-yyyy"),
+ new Date(2019, 9, 31),
+ );
  assertEquals(
  datetime.parse("2019-01-03", "yyyy-MM-dd"),
  new Date(2019, 0, 3),