* Returns the locale translation of a date for a given form, type and width
( date: Date, locale: string, name: TranslationType, width: TranslationWidth, form: FormStyle, extended: boolean, )
| 386 | * Returns the locale translation of a date for a given form, type and width |
| 387 | */ |
| 388 | function getDateTranslation( |
| 389 | date: Date, |
| 390 | locale: string, |
| 391 | name: TranslationType, |
| 392 | width: TranslationWidth, |
| 393 | form: FormStyle, |
| 394 | extended: boolean, |
| 395 | ) { |
| 396 | switch (name) { |
| 397 | case TranslationType.Months: |
| 398 | return getLocaleMonthNames(locale, form, width)[date.getMonth()]; |
| 399 | case TranslationType.Days: |
| 400 | return getLocaleDayNames(locale, form, width)[date.getDay()]; |
| 401 | case TranslationType.DayPeriods: |
| 402 | const currentHours = date.getHours(); |
| 403 | const currentMinutes = date.getMinutes(); |
| 404 | if (extended) { |
| 405 | const rules = getLocaleExtraDayPeriodRules(locale); |
| 406 | const dayPeriods = getLocaleExtraDayPeriods(locale, form, width); |
| 407 | const index = rules.findIndex((rule) => { |
| 408 | if (Array.isArray(rule)) { |
| 409 | // morning, afternoon, evening, night |
| 410 | const [from, to] = rule; |
| 411 | const afterFrom = currentHours >= from.hours && currentMinutes >= from.minutes; |
| 412 | const beforeTo = |
| 413 | currentHours < to.hours || (currentHours === to.hours && currentMinutes < to.minutes); |
| 414 | // We must account for normal rules that span a period during the day (e.g. 6am-9am) |
| 415 | // where `from` is less (earlier) than `to`. But also rules that span midnight (e.g. |
| 416 | // 10pm - 5am) where `from` is greater (later!) than `to`. |
| 417 | // |
| 418 | // In the first case the current time must be BOTH after `from` AND before `to` |
| 419 | // (e.g. 8am is after 6am AND before 10am). |
| 420 | // |
| 421 | // In the second case the current time must be EITHER after `from` OR before `to` |
| 422 | // (e.g. 4am is before 5am but not after 10pm; and 11pm is not before 5am but it is |
| 423 | // after 10pm). |
| 424 | if (from.hours < to.hours) { |
| 425 | if (afterFrom && beforeTo) { |
| 426 | return true; |
| 427 | } |
| 428 | } else if (afterFrom || beforeTo) { |
| 429 | return true; |
| 430 | } |
| 431 | } else { |
| 432 | // noon or midnight |
| 433 | if (rule.hours === currentHours && rule.minutes === currentMinutes) { |
| 434 | return true; |
| 435 | } |
| 436 | } |
| 437 | return false; |
| 438 | }); |
| 439 | if (index !== -1) { |
| 440 | return dayPeriods[index]; |
| 441 | } |
| 442 | } |
| 443 | // if no rules for the day periods, we use am/pm by default |
| 444 | return getLocaleDayPeriods(locale, form, <TranslationWidth>width)[currentHours < 12 ? 0 : 1]; |
| 445 | case TranslationType.Eras: |
no test coverage detected