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date-skeleton package

Tools for working with ICU DateFormat skeletons.


import {
  DateToken, // TS only
} from '@messageformat/date-skeleton'

The package is released as an ES module only. If using from a CommonJS context, you may need to import() it, or use a module loader like esm.

Uses Intl.DateTimeFormat internally. Position-dependent ICU DateFormat patterns are not supported, as they cannot be represented with Intl.DateTimeFormat options.


Class Description
DateFormatError Parent class for errors.


Function Description
getDateFormatter(locales, tokens, onError) Returns a date formatter function for the given locales and date skeleton
getDateFormatterSource(locales, tokens, onError) Returns a string of JavaScript source that evaluates to a date formatter function with the same (date: Date | number) => string signature as the function returned by getDateFormatter().
parseDateTokens(src) Parse an ICU DateFormat skeleton string into a DateToken array.

Type Aliases

Type Alias Description
DateToken An object representation of a parsed date skeleton token