Method getSortKey

js/botasaurus-server-js/src/sorts.ts:273–286

()

class OldestDateFirstSort extends _DateSort {
  protected override getSortKey(): (item: any) => [number, number] | [number] {
    return (item: any) => {
      const dateStr = item[this.field];
      if (isNotNullish(dateStr)) {
        try {
          const dateObj = this.parseDate(dateStr);
          return [0, dateObj.getTime()];
        } catch (error) {
          // Ignore parsing errors
        }
      }
      return [1];
    };
  }

  protected getLabel(): string {
    const titleCasedField = titleCase(this.field);