---
title: "toLanguageInfo | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Function toLanguageInfo

-   toLanguageInfo(  
        lang: string | [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/),  
        languageDictionary?: { \[k: string\]: [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/) },  
    ): [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/) | null[](#tolanguageinfo)
    
    By default, the language dictionary to look into is the one defined in this library, but another one could be provided
    
    #### Parameters
    
    -   lang: string | [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/)
    -   `Optional`languageDictionary: { \[k: string\]: [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/) }
    
    #### Returns [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/) | null