feat(Intl.Collator): strongly typed options

Author: glennsl

src/intl/Core__Intl__Collator.res

@@ -1,17 +1,27 @@
 type t
 
+type options = {
+  usage?: [#sort | #search],
+  localeMathcer?: [#lookup | #"best fit"],
+  collation?: string,
+  numeric?: bool,
+  caseFirst?: [#upper | #lower | #"false"],
+  sensitivity?: [#base | #accent | #case | #variant],
+  ignorePunctuation?: bool,
+}
+
 @new external make: unit => t = "Intl.Collator"
 @new external makeWithLocale: string => t = "Intl.Collator"
 @new external makeWithLocales: array<string> => t = "Intl.Collator"
-@new external makeWithLocaleAndOptions: (string, {..}) => t = "Intl.Collator"
-@new external makeWithLocalesAndOptions: (array<string>, {..}) => t = "Intl.Collator"
-@new external makeWithOptions: (@as(json`undefined`) _, {..}) => t = "Intl.Collator"
+@new external makeWithLocaleAndOptions: (string, options) => t = "Intl.Collator"
+@new external makeWithLocalesAndOptions: (array<string>, options) => t = "Intl.Collator"
+@new external makeWithOptions: (@as(json`undefined`) _, options) => t = "Intl.Collator"
 
 @val external supportedLocalesOf: array<string> => t = "Intl.Collator.supportedLocalesOf"
 @val
-external supportedLocalesOfWithOptions: (array<string>, {..}) => t =
+external supportedLocalesOfWithOptions: (array<string>, options) => t =
   "Intl.Collator.supportedLocalesOf"
 
-@send external resolvedOptions: t => {..} = "resolvedOptions"
+@send external resolvedOptions: t => options = "resolvedOptions"
 
 @send external compare: (t, string, string) => int = "compare"