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Resolvers

The resolvers option is used to configure resolvers. The resolvers takes in array of resolvers so you can add in any number of resolvers you like. nestjs-i18n comes with a set of built-in resolvers.

NameDefault value
QueryResolver['lang']
HeaderResolver[]
AcceptLanguageResolver{matchType: 'strict-loose'}
CookieResolverlang
GraphQLWebsocketResolverN/A
GrpcMetadataResolver['lang']
src/app.module.ts
       I18nModule.forRoot({
fallbackLanguage: 'en',
loaderOptions: {
path: path.join(__dirname, '/i18n/'),
},
resolvers: [
new QueryResolver(['lang', 'l']),
new HeaderResolver(['x-custom-lang']),
new CookieResolver(),
AcceptLanguageResolver,
],
}),
tip

If you need to implement a custom resolver, your resolver needs to extend src/interfaces/i18n-language-resolver.interface.ts interface. Also you can check the src/resolvers to see how the default resolvers are implemented.

Example: Custom resolver coming soon‚Äč