defaultLocale:
a string with BCP47 locale ID to be used
as a last resort locale.
It returns an Array of strings with BCP47 locale IDs sorted according to the
user preferences.
The exact list will be selected differently depending on the strategy:
'filtering': (default)
In the filtering strategy, the algorithm will attempt to match
as many keys in the available locales in order of the requested locales.
'matching':
In the matching strategy, the algorithm will attempt to find the
best possible match for each element of the requestedLocales list.
'lookup':
In the lookup strategy, the algorithm will attempt to find a single
best available locale based on the requested locales list.
This strategy requires defaultLocale option to be set.
Negotiates the languages between the list of requested locales against a list of available locales.
It accepts three arguments:
requestedLocales: an Array of strings with BCP47 locale IDs sorted according to user preferences.availableLocales: an Array of strings with BCP47 locale IDs of locale for which resources are available. Unsorted.options: An object with the following, optional keys:strategy:'filtering'(default) |'matching'|'lookup'defaultLocale: a string with BCP47 locale ID to be used as a last resort locale.It returns an Array of strings with BCP47 locale IDs sorted according to the user preferences.
The exact list will be selected differently depending on the strategy:
'filtering': (default)In the filtering strategy, the algorithm will attempt to match as many keys in the available locales in order of the requested locales.
'matching':In the matching strategy, the algorithm will attempt to find the best possible match for each element of the requestedLocales list.
'lookup':In the lookup strategy, the algorithm will attempt to find a single best available locale based on the requested locales list.
This strategy requires defaultLocale option to be set.