TSDocTypeScript supports a number of languages, however this cannot be set via the tsconfig.json, only via the host environment or the CLI flag --locale. E.g. tsc --locale ru.
Locales supported as of TypeScript 3.7
| Name | Locale |
|---|---|
| Brazilian Portuguese | pr-BR |
| Chinese (Simplified) | zh-TW |
| Chinese (Traditional) | zh-CN |
| Czech | cs-CZ |
| English (US) | en-US |
| French | fr-FR |
| German | de-DE |
| Italian | it-IT |
| Japanese | ja-JP |
| Korean | ko-KR |
| Polish | pl-PL |
| Russian | ru-RU |
| Spanish | es-ES |
| Turkish | tr-TR |