Js_of_ocaml.Intl
Internationalization API
A code example:
open Js ;;
let fc v = Firebug.console##debug v in
let jas a = array(Array.map (fun v -> string v) a) in
if (Intl.is_supported()) then (
let intl = Intl.intl in
fc (intl##getCanonicalLocales (jas [| "EN-US"; "Fr" |])) ;
try
let options = Intl.Collator.object_options () in
options##.localeMatcher := string "lookup" ;
fc (
intl##._Collator##supportedLocalesOf
(jas [| "ban"; "id-u-co-pinyin"; "de-ID" |])
(def options)
) ;
(* Note: the exact output may be browser-dependent *)
let letterSort lang letters =
letters##sort (wrap_callback (fun a b ->
let collator = new%js Intl.collator_constr
(def (array [| lang |])) undefined
in
Js.float (float_of_int(collator##.compare a b)))) ;
letters
in
let a = jas [| "a"; "z"; "ä" |] in
fc (letterSort (string "de") a) ;
fc (letterSort (string "sv") a) ;
let collator = new%js Intl.collator_constr undefined undefined in
fc (collator##.compare (string "a") (string "c")) ;
fc (collator##.compare (string "c") (string "a")) ;
fc (collator##.compare (string "a") (string "a")) ;
let collator = new%js Intl.collator_constr
(def (jas [| "de" |])) undefined
in
fc (collator##.compare (string "ä") (string "z")) ;
let collator = new%js Intl.collator_constr
(def (jas [| "sv" |])) undefined
in
fc (collator##.compare (string "ä") (string "z")) ;
let options = Intl.Collator.options () in
let () = options##.sensitivity := string "base" in
let collator = new%js Intl.collator_constr
(def (jas [| "de" |])) (def options)
in
fc (collator##.compare (string "ä") (string "a")) ;
let collator = new%js Intl.collator_constr
(def (jas [| "sv" |])) (def options)
in
fc (collator##.compare (string "ä") (string "a")) ;
let firstAlphabetical locale letter1 letter2 =
let collator = new%js Intl.collator_constr
(def (array [| locale |])) undefined
in
if (collator##.compare letter1 letter2) > 0 then (
letter1
) else (
letter2
)
in
fc (firstAlphabetical (string "de") (string "z") (string "ä")) ;
fc (firstAlphabetical (string "sv") (string "z") (string "ä")) ;
let a = jas [| "Offenbach"; "Österreich"; "Odenwald" |] in
let collator = new%js Intl.collator_constr
(def (jas [| "de-u-co-phonebk" |])) undefined
in
let a = a##sort (wrap_callback
(fun v1 v2 ->
Js.float (float_of_int(collator##.compare v1 v2))))
in
fc (a##join (string ", ")) ;
let a = jas [| "Congrès"; "congres"; "Assemblée"; "poisson" |] in
let options = Intl.Collator.options () in
let () = options##.usage := string "search" in
let () = options##.sensitivity := string "base" in
let collator = new%js Intl.collator_constr
(def (jas [| "fr" |])) (def options)
in
let s = string "congres" in
let matches = a##filter (wrap_callback
(fun v _ _ -> bool ((collator##.compare v s) = 0)))
in
fc (matches##join (string ", ")) ;
let options = Intl.Collator.options () in
let () = options##.sensitivity := string "base" in
let collator = new%js Intl.collator_constr
(def (jas [| "de" |])) (def options)
in
let usedOptions = collator##resolvedOptions () in
fc (usedOptions##.locale) ;
fc (usedOptions##.usage) ;
fc (usedOptions##.sensitivity) ;
fc (usedOptions##.ignorePunctuation) ;
fc (usedOptions##.collation) ;
fc (usedOptions##.numeric) ;
let date = new%js date_sec 2012 11 20 3 0 0 in
(* Results below assume UTC timezone - your results may vary *)
let dtf = new%js Intl.dateTimeFormat_constr
(def (jas [| "en-US" |])) undefined
in
fc (dtf##.format date) ;
let dtf = new%js Intl.dateTimeFormat_constr
(def (jas [| "ban"; "id" |])) undefined
in
fc (dtf##.format date) ;
let dtf = new%js Intl.dateTimeFormat_constr
(def (jas [| "ja-JP-u-ca-japanese" |])) undefined
in
fc (dtf##.format date) ;
let options = Intl.DateTimeFormat.options () in
let () = options##.weekday := def(string "long") in
let () = options##.year := def(string "numeric") in
let () = options##.month := def(string "long") in
let () = options##.day := def(string "numeric") in
let dtf = new%js Intl.dateTimeFormat_constr
(def (jas [| "de-DE" |])) (def options)
in
fc (dtf##.format date) ;
let () = options##.timeZone := def(string "UTC") in
let () = options##.timeZoneName := def(string "short") in
let dtf = new%js Intl.dateTimeFormat_constr
(def (jas [| "en-US" |])) (def options)
in
fc (dtf##.format date) ;
let options = Intl.DateTimeFormat.options () in
let () = options##.hour := def(string "numeric") in
let () = options##.minute := def(string "numeric") in
let () = options##.second := def(string "numeric") in
let () = options##.timeZone := def(string "Australia/Sydney") in
let () = options##.timeZoneName := def(string "short") in
let dtf = new%js Intl.dateTimeFormat_constr
(def (jas [| "en-AU" |])) (def options)
in
fc (dtf##.format date) ;
let options = Intl.DateTimeFormat.options () in
let () = options##.year := def(string "numeric") in
let () = options##.month := def(string "numeric") in
let () = options##.day := def(string "numeric") in
let () = options##.hour := def(string "numeric") in
let () = options##.minute := def(string "numeric") in
let () = options##.second := def(string "numeric") in
let () = options##.hour12 := def(_false) in
let () = options##.timeZone := def(string "America/Los_Angeles") in
let dtf = new%js Intl.dateTimeFormat_constr
(def (jas [| "en-US" |])) (def options)
in
fc (dtf##.format date) ;
let date = new%js date_month 2012 05 in
let options = Intl.DateTimeFormat.options () in
let () = options##.weekday := def(string "long") in
let () = options##.year := def(string "numeric") in
let () = options##.month := def(string "long") in
let () = options##.day := def(string "numeric") in
let dtf = new%js Intl.dateTimeFormat_constr
(def (jas [| "sr-RS" |])) (def options)
in
fc (dtf##.format date) ;
let dtf = new%js Intl.dateTimeFormat_constr
(def (jas [| "en-GB" |])) (def options)
in
fc (dtf##.format date) ;
let a = array [| new%js date_month 2012 08 ;
new%js date_month 2012 11 ;
new%js date_month 2012 03 |]
in
let options = Intl.DateTimeFormat.options () in
let () = options##.year := def(string "numeric") in
let () = options##.month := def(string "long") in
let dtf = new%js Intl.dateTimeFormat_constr
(def (jas [| "pt-BR" |])) (def options)
in
let formatted = array_map dtf##.format a in
fc (formatted##join (string "; ")) ;
let date = new%js date_sec 2012 11 17 3 0 42 in
let options = Intl.DateTimeFormat.options () in
let () = options##.weekday := def(string "long") in
let () = options##.year := def(string "numeric") in
let () = options##.month := def(string "numeric") in
let () = options##.day := def(string "numeric") in
let () = options##.hour := def(string "numeric") in
let () = options##.minute := def(string "numeric") in
let () = options##.second := def(string "numeric") in
let () = options##.hour12 := def(_true) in
let () = options##.timeZone := def(string "UTC") in
let dtf = new%js Intl.dateTimeFormat_constr
(def (jas [| "en-us" |])) (def options)
in
fc (dtf##.format date) ;
let parts = dtf##formatToParts (def(date)) in
fc parts ;
let dateString = (
array_map (fun (v:Intl.DateTimeFormat.format_part Js.t) ->
match (to_string v##._type) with
| "dayPeriod" ->
(string "<b>")##concat_2 v##._value (string "</b>")
| _ -> v##._value)
(dtf##formatToParts (def(date)))
)##reduce (wrap_callback (fun s part _ _ -> s##concat part)) in
fc dateString ;
let options = Intl.DateTimeFormat.options () in
let () = options##.timeZone := def(string "UTC") in
let dtf = new%js Intl.dateTimeFormat_constr
(def (jas [| "zh-CN" |])) (def options)
in
let ropt = dtf##resolvedOptions () in
fc ropt##.locale ;
fc ropt##.calendar ;
fc ropt##.numberingSystem ;
let options = Intl.DateTimeFormat.options () in
let () = options##.timeZone := def(string "UTC") in
let dtf = new%js Intl.dateTimeFormat_constr
(def (jas [| "de-XX" |])) (def options)
in
let ropt = dtf##resolvedOptions () in
fc ropt##.locale ;
fc ropt##.calendar ;
fc ropt##.numberingSystem ;
fc ropt##.timeZone ;
fc ropt##.month ;
let options = Intl.DateTimeFormat.object_options () in
options##.localeMatcher := string "lookup" ;
fc (
intl##._DateTimeFormat##supportedLocalesOf
(jas [| "ban"; "id-u-co-pinyin"; "de-ID" |])
(def options)
) ;
let number = number_of_float 123456.789 in
let options = Intl.NumberFormat.options () in
options##.style := string "currency" ;
options##.currency := def(string "EUR") ;
let nf = new%js Intl.numberFormat_constr
(def (jas [| "de-DE" |])) (def options)
in
fc (nf##.format number) ;
options##.currency := def(string "JPY") ;
let nf = new%js Intl.numberFormat_constr
(def (jas [| "ja-JP" |])) (def options)
in
fc (nf##.format number) ;
let options = Intl.NumberFormat.options () in
options##.maximumSignificantDigits := (def 3) ;
let nf = new%js Intl.numberFormat_constr
(def (jas [| "en-IN" |])) (def options)
in
fc (nf##.format number) ;
let nf = new%js Intl.numberFormat_constr
(def (jas [| "de-DE" |])) undefined
in
fc (nf##.format number) ;
let nf = new%js Intl.numberFormat_constr
(def (jas [| "ar-EG" |])) undefined
in
fc (nf##.format number) ;
let nf = new%js Intl.numberFormat_constr
(def (jas [| "zh-Hans-CN-u-nu-hanidec" |])) undefined
in
fc (nf##.format number) ;
let nf = new%js Intl.numberFormat_constr
(def (jas [| "ban"; "id" |])) undefined
in
fc (nf##.format number) ;
let amount = number_of_float 654321.987 in
let options = Intl.NumberFormat.options () in
options##.style := string "currency" ;
options##.currency := def(string "RUB") ;
let nf = new%js Intl.numberFormat_constr
(def (jas [| "ru-RU" |])) (def options)
in
fc (nf##.format amount) ;
options##.currency := def(string "USD") ;
let nf = new%js Intl.numberFormat_constr
(def (jas [| "en-US" |])) (def options)
in
fc (nf##.format amount) ;
let a = array [| number_of_float 123456.789 ;
number_of_float 987654.321 ;
number_of_float 456789.123 |]
in
let nf = new%js Intl.numberFormat_constr
(def (jas [| "es-ES" |])) undefined
in
let formatted = array_map nf##.format a in
fc (formatted##join (string "; ")) ;
let number = number_of_float 3500. in
let options = Intl.NumberFormat.options () in
options##.style := string "currency" ;
options##.currency := def(string "EUR") ;
let nf = new%js Intl.numberFormat_constr
(def (jas [| "de-DE" |])) (def options)
in
fc (nf##.format number) ;
let parts = nf##formatToParts (def(number)) in
fc parts ;
let numberString = (
array_map (fun (v:Intl.NumberFormat.format_part Js.t) ->
match (to_string v##._type) with
| "currency" ->
(string "<strong>")##concat_2 v##._value (string "</strong>")
| _ -> v##._value)
(nf##formatToParts (def(number)))
)##reduce (wrap_callback (fun s part _ _ -> s##concat part)) in
fc numberString ;
let nf = new%js Intl.numberFormat_constr
(def (jas [| "de-DE" |])) undefined
in
let options = nf##resolvedOptions () in
fc (options##.locale) ;
fc (options##.numberingSystem) ;
fc (options##.style) ;
fc (options##.minimumIntegerDigits) ;
fc (options##.minimumFractionDigits) ;
fc (options##.maximumFractionDigits) ;
fc (options##.useGrouping) ;
let options = Intl.NumberFormat.object_options () in
options##.localeMatcher := string "lookup" ;
fc (
intl##._NumberFormat##supportedLocalesOf
(jas [| "ban"; "id-u-co-pinyin"; "de-ID" |])
(def options)
) ;
let pr = new%js Intl.pluralRules_constr undefined undefined in
fc (pr##select (number_of_float 0.)) ;
fc (pr##select (number_of_float 1.)) ;
fc (pr##select (number_of_float 2.)) ;
let pr = new%js Intl.pluralRules_constr
(def (jas [| "ar-EG" |])) undefined
in
fc (pr##select (number_of_float 0.)) ;
fc (pr##select (number_of_float 1.)) ;
fc (pr##select (number_of_float 2.)) ;
fc (pr##select (number_of_float 6.)) ;
fc (pr##select (number_of_float 18.)) ;
let options = Intl.PluralRules.options () in
options##._type := string "ordinal" ;
let pr = new%js Intl.pluralRules_constr
(def (jas [| "en-US" |])) (def options)
in
fc (pr##select (number_of_float 0.)) ;
fc (pr##select (number_of_float 1.)) ;
fc (pr##select (number_of_float 3.)) ;
fc (pr##select (number_of_float 4.)) ;
fc (pr##select (number_of_float 42.)) ;
let de = new%js Intl.pluralRules_constr
(def (jas [| "de-DE" |])) undefined
in
let usedOptions = de##resolvedOptions () in
fc usedOptions##.locale ;
fc usedOptions##.maximumFractionDigits ;
fc usedOptions##.minimumFractionDigits ;
fc usedOptions##.minimumIntegerDigits ;
fc usedOptions##.pluralCategories ;
fc usedOptions##._type ;
let options = Intl.PluralRules.object_options () in
options##.localeMatcher := string "lookup" ;
fc (
intl##._PluralRules##supportedLocalesOf
(jas [| "ban"; "id-u-co-pinyin"; "de-ID" |])
(def options)
) ;
with
| Error err -> Firebug.console##debug (
string (string_of_error err)) ;
) else (
Firebug.console##debug (string "Intl is not supported!") ;
)
module Collator : sig ... end
module DateTimeFormat : sig ... end
module NumberFormat : sig ... end
module PluralRules : sig ... end
class type intl = object ... end
val collator_constr :
(Js.js_string Js.t Js.js_array Js.t Js.optdef ->
Collator.options Js.t Js.optdef ->
Collator.t Js.t)
Js.constr
val dateTimeFormat_constr :
(Js.js_string Js.t Js.js_array Js.t Js.optdef ->
DateTimeFormat.options Js.t Js.optdef ->
DateTimeFormat.t Js.t)
Js.constr
val numberFormat_constr :
(Js.js_string Js.t Js.js_array Js.t Js.optdef ->
NumberFormat.options Js.t Js.optdef ->
NumberFormat.t Js.t)
Js.constr
val pluralRules_constr :
(Js.js_string Js.t Js.js_array Js.t Js.optdef ->
PluralRules.options Js.t Js.optdef ->
PluralRules.t Js.t)
Js.constr