@@ -1,48 +1,39 @@
1−module Data.Intl.DateTimeFormat
1+module Data.Intl.DateTimeFormat
2 ( LocalesOption
2 ( LocalesOption
3 , LocaleMatcher(..)
3 , LocaleMatcher(..)
4 , TimeZone(..)
4 , TimeZone(..)
5 , FormatMatcher(..)
5 , FormatMatcher(..)
6− , WeekdayYearMonthDayHourMinuteSecond(..)
7− , WeekdayYearMonthDay(..)
11− , HourMinuteSecond(..)
15 , DateTimeFormatOptions(..)
6 , DateTimeFormatOptions(..)
16 , DateTimeFormatOptions'
7 , DateTimeFormatOptions'
17 , DateTimeComponents(..)
8 , DateTimeComponents(..)
18− , DateTimeFormatter
9+ , DateTimeFormat
19− , createDateTimeFormatter
10+ , createDateTimeFormat
20 , formatJSDate
11 , formatJSDate
21 , module Data.Intl.DateTimeFormat.Types
12 , module Data.Intl.DateTimeFormat.Types
22−
13+ , supportedLocalesOf
23− -- private
14+ , formatToParts
24− , formatDateTimeOptions
15+ , resolvedOptions
25− , DateTimeFormatOptions_
28import Data.Intl.DateTimeFormat.Types
18import Data.Intl.DateTimeFormat.Types
30−import Data.Generic.Rep (class Generic)
20+import Control.Monad.Error.Class (throwError)
21+import Data.Either (Either(..))
22+import Data.Foreign (F, Foreign, ForeignError(..), isUndefined, readString)
23+import Data.Foreign.Index ((!))
24+import Data.Function.Uncurried (Fn3, Fn4, runFn3, runFn4)
31−import Data.Intl.DateTimeFormat.Class (class FormatComponent, defaultComponentRecord, formatComponent, genericFormatComponent)
25+import Data.Intl.DateTimeFormat.Class (class FormatComponent, FormatComponentRecord(FormatComponentRecord), formatComponent)
32import Data.JSDate (JSDate)
26import Data.JSDate (JSDate)
33−import Data.Maybe (Maybe, fromMaybe, maybe)
27+import Data.Maybe (Maybe(..), fromMaybe, maybe)
34−import Data.Newtype (class Newtype)
28+import Data.Newtype (class Newtype, un)
35import Data.StrMap (union)
29import Data.StrMap (union)
36import Data.Symbol (SProxy(..))
30import Data.Symbol (SProxy(..))
31+import Data.Traversable (sequence)
37−import Data.Variant (Variant, default, on)
32+import Data.Variant (Variant, case_, default, on)
38−import Prelude (class Eq, class Show, Unit, id, show, (#), ($))
33+import Prelude (class Eq, class Show, Unit, bind, id, pure, show, (#), ($), (<$>), (<<<), (>>=))
39import Unsafe.Coerce (unsafeCoerce)
34import Unsafe.Coerce (unsafeCoerce)
41foreign import data LocalesOption' :: Type
36foreign import data LocalesOption' :: Type
42−foreign import data DateTimeFormat :: Type
44−foreign import data Undefined :: Type
45−foreign import undefined :: Undefined
47foreign import dateTimeFormatImpl :: LocalesOption' -> DateTimeFormatOptions_ -> DateTimeFormat
38foreign import dateTimeFormatImpl :: LocalesOption' -> DateTimeFormatOptions_ -> DateTimeFormat
@@ -95,85 +86,6 @@ instance showFormatMatcher :: Show FormatMatcher where
95 show FMBasic = "basic"
86 show FMBasic = "basic"
96 show FMBestFit = "best fit"
87 show FMBestFit = "best fit"
98−newtype WeekdayYearMonthDayHourMinuteSecond = WeekdayYearMonthDayHourMinuteSecond
99− { weekday :: StringRep
100− , year :: NumericRep
103− , hour :: NumericRep
104− , minute :: NumericRep
105− , second :: NumericRep
108−derive instance genericWeekdayYearMonthDayHourMinuteSecond :: Generic WeekdayYearMonthDayHourMinuteSecond _
110−instance formatComponentWeekdayYearMonthDayHourMinuteSecond :: FormatComponent WeekdayYearMonthDayHourMinuteSecond where
111− formatComponent = genericFormatComponent
113−newtype WeekdayYearMonthDay = WeekdayYearMonthDay
114− { weekday :: StringRep
115− , year :: NumericRep
120−derive instance genericWeekdayYearMonthDay :: Generic WeekdayYearMonthDay _
122−instance formatComponentWeekdayYearMonthDay :: FormatComponent WeekdayYearMonthDay where
123− formatComponent = genericFormatComponent
125−newtype YearMonthDay = YearMonthDay
126− { year :: NumericRep
131−derive instance genericYearMonthDay :: Generic YearMonthDay _
133−instance formatComponentYearMonthDay :: FormatComponent YearMonthDay where
134− formatComponent = genericFormatComponent
136−newtype YearMonth = YearMonth
137− { year :: NumericRep
141−derive instance genericYearMonth :: Generic YearMonth _
143−instance formatComponentYearMonth :: FormatComponent YearMonth where
144− formatComponent = genericFormatComponent
146−newtype MonthDay = MonthDay
151−derive instance genericMonthDay :: Generic MonthDay _
153−instance formatComponentMonthDay :: FormatComponent MonthDay where
154− formatComponent = genericFormatComponent
156−newtype HourMinuteSecond = HourMinuteSecond
157− { hour :: NumericRep
158− , minute :: NumericRep
159− , second :: NumericRep
162−derive instance genericHourMinuteSecond :: Generic HourMinuteSecond _
164−instance formatComponentHourMinuteSecond :: FormatComponent HourMinuteSecond where
165− formatComponent = genericFormatComponent
167−newtype HourMinute = HourMinute
168− { hour :: NumericRep
169− , minute :: NumericRep
172−derive instance genericHourMinute :: Generic HourMinute _
174−instance formatComponentHourMinute :: FormatComponent HourMinute where
175− formatComponent = genericFormatComponent
177type DateTimeComponents a =
89type DateTimeComponents a =
179 ( weekdayYearMonthDayHourMinuteSecond :: WeekdayYearMonthDayHourMinuteSecond
91 ( weekdayYearMonthDayHourMinuteSecond :: WeekdayYearMonthDayHourMinuteSecond
@@ -208,7 +120,7 @@ formatDateTimeOptions (DateTimeFormatOptions opts comps) = merge opts' (compsCoe
208 , hour12: fromMaybe (unsafeCoerce undefined) opts.hour12
120 , hour12: fromMaybe (unsafeCoerce undefined) opts.hour12
209 , formatMatcher: maybe undefinedString show opts.formatMatcher
121 , formatMatcher: maybe undefinedString show opts.formatMatcher
211− comps' = default (defaultComponentRecord)
123+ comps' = un FormatComponentRecord $ case_
212 # on (SProxy :: SProxy "weekdayYearMonthDayHourMinuteSecond") formatComponent
124 # on (SProxy :: SProxy "weekdayYearMonthDayHourMinuteSecond") formatComponent
213 # on (SProxy :: SProxy "weekdayYearMonthDay") formatComponent
125 # on (SProxy :: SProxy "weekdayYearMonthDay") formatComponent
214 # on (SProxy :: SProxy "yearMonthDay") formatComponent
126 # on (SProxy :: SProxy "yearMonthDay") formatComponent
@@ -274,19 +186,158 @@ formatDateTimeOptions (DateTimeFormatOptions opts comps) = merge opts' (compsCoe
274 -> DateTimeFormatOptions_
186 -> DateTimeFormatOptions_
275 merge a b = unsafeCoerce $ union (unsafeCoerce a) (unsafeCoerce b)
187 merge a b = unsafeCoerce $ union (unsafeCoerce a) (unsafeCoerce b)
277−foreign import data DateTimeFormatter :: Type
189+foreign import data DateTimeFormat :: Type
279−foreign import createDateTimeFormatterImpl
281− -> DateTimeFormatOptions_
282− -> DateTimeFormatter
284−createDateTimeFormatter
191+foreign import createDateTimeFormatImpl
193+ (forall a. String -> F a)
194+ (forall a. a -> F a)
196+ DateTimeFormatOptions_
201+-- | import Data.Variant (inj)
203+-- | fmtHourMinute = F DateTimeFormat
204+-- | fmtHourMinute = createDateTimeFormat locale opts
206+-- | locale = inj (SProxy :: SProxy "locale") "en-GB"
207+-- | opts = (DateTimeFormatOptions
208+-- | { localeMatcher: Nothing
209+-- | , timeZone: (Just (TimeZone "Europe/London"))
210+-- | , hour12: Just false
211+-- | , formatMatcher: Nothing
213+-- | (inj (SProxy :: SProxy "hourMinute")
214+-- | (HourMinute {hour: TwoDigit, minute: TwoDigit}))
217+-- | fmtDate :: F DateTimeFormat
218+-- | fmtDate = createDateTimeFormat locale opts
220+-- | locale = inj (SProxy :: SProxy "locale") "en-GB"
221+-- | opts :: DateTimeFormatOptions'
223+-- | (DateTimeFormatOptions
224+-- | { localeMatcher: Nothing
225+-- | , timeZone: (Just (TimeZone "Europe/London"))
226+-- | , hour12: Just true
227+-- | , formatMatcher: Nothing
230+-- | (SProxy :: SProxy "weekdayYearMonthDayHourMinuteSecond")
231+-- | (WeekdayYearMonthDayHourMinuteSecond
232+-- | { weekday: Short
234+-- | , month: MonthLong
237+-- | , minute: Numeric
238+-- | , second: Numeric
244+-- | You have predifined types: `WeekdayYearMonthDayHourMinuteSecond`,
245+-- | `WeekdayYearMonthDay`, `YearMonthDay`, `YearMonth`, `MonthDay`,
246+-- | `HourMinuteSecond`, `HourMinute`. But you can also provide your own by
247+-- | implementing `FormatComponent` class (or by deriving it), e.g.
249+-- | newtype EraYear = EraYear
250+-- | { era :: StringRep
251+-- | , year :: NumericRep
254+-- | derive instance genericEraYear :: Generic EraYear _
256+-- | instance formatComponentEraYear :: FormatComponent EraYear where
257+-- | formatComponent = genericFormatComponent
259+-- | fmtEraYear :: F DateTimeFormat
260+-- | fmtEraYear = createDateTimeFormat locales opts
262+-- | locale = inj (SProxy :: SProxy "locale") "en-GB"
263+-- | opts :: DateTimeFormatOptions EraYear
265+-- | (DateTimeFormatOptions
266+-- | { localeMatcher: Nothing
267+-- | , timeZone: (Just (TimeZone "Europe/London"))
268+-- | , hour12: Just true
269+-- | , formatMatcher: Nothing
272+-- | (SProxy :: SProxy "custom")
285 :: forall a
282 :: forall a
286 .(FormatComponent a)
283 .(FormatComponent a)
287 => LocalesOption
284 => LocalesOption
288 -> DateTimeFormatOptions a
285 -> DateTimeFormatOptions a
289− -> DateTimeFormatter
286+ -> F DateTimeFormat
287+createDateTimeFormat ls opts =
288+ runFn4 createDateTimeFormatImpl
289+ (throwError <<< pure <<< ForeignError)
290−createDateTimeFormatter ls opts = createDateTimeFormatterImpl (toLocale ls) (formatDateTimeOptions opts)
292+ (formatDateTimeOptions opts)
296+-- | formatJSDate (either (const "") id $ runExcept fmtHourMinute) date -- "12:00"
297+-- | formatJSDate (either (const "") id $ fmtDate) date -- "Tue, January 2, 2018, 12:00:00 PM"
298+-- | formatJSDate (either (const "") id $ fmtEraYear) date -- "2018 Anno Domini"
300+foreign import formatJSDate :: DateTimeFormat -> JSDate -> String
302+foreign import supportedLocalesOfImpl
304+ (String -> Either String (Array String))
305+ (Array String -> Either String (Array String))
307+ (Either String (Array String))
309+foreign import formatToPartsImpl :: DateTimeFormat -> JSDate -> Array Foreign
311+formatToParts :: DateTimeFormat -> JSDate -> F (Array FormatParts)
312+formatToParts formatter date = sequence $ readFormatParts <$> formatToPartsImpl formatter date
314+supportedLocalesOf :: Array String -> Either String (Array String)
315+supportedLocalesOf locales = runFn3 supportedLocalesOfImpl Left Right locales
317+foreign import resolvedOptionsImpl :: DateTimeFormat -> Foreign
319+resolvedOptions :: DateTimeFormat -> F ResolvedOptions
320+resolvedOptions fmt = do
321+ locale <- obj ! "locale" >>= readString
322+ calendar <- obj ! "calendar" >>= readString
323+ numberingSystem <- obj ! "numberingSystem" >>= readString
324+ timeZone <- obj ! "timeZone" >>= readString
325+ era <- obj ! "era" >>= readMaybeString
326+ weekday <- obj ! "weekday" >>= readMaybeString
327+ year <- obj ! "year" >>= readMaybeString
328+ day <- obj ! "day" >>= readMaybeString
329+ hour <- obj ! "hour" >>= readMaybeString
330+ minute <- obj ! "minute" >>= readMaybeString
331+ second <- obj ! "second" >>= readMaybeString
332+ timeZoneName <- obj ! "timeZoneName" >>= readMaybeString
334+ pure $ ResolvedOptions { locale, calendar, numberingSystem, timeZone, era, weekday, year, day, hour, minute, second, timeZoneName }
337+ obj = resolvedOptionsImpl fmt
292−foreign import formatJSDate :: DateTimeFormatter -> JSDate -> String
339+ readMaybeString :: Foreign -> F (Maybe String)
343+ else Just <$> readString f