- const supportedLangs = ["en","es","fr"];
- this.state.lang = localStorage["lang"] ||
- (supportedLangs.includes(navigator.language)
- ? navigator.language
- : "en");
+ const supportedLangs = ["en", "es", "fr"];
+ const navLanguage = navigator.language.substr(0,2);
+ this.state.lang =
+ localStorage["lang"] ||
+ (supportedLangs.includes(navLanguage) ? navLanguage : "en");