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[feature] Graceful handling of undefined locale name #6128

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3 changes: 2 additions & 1 deletion src/lib/locale/locales.js
Expand Up @@ -64,7 +64,8 @@ function chooseLocale(names) {

function isLocaleNameSane(name) {
// Prevent names that look like filesystem paths, i.e contain '/' or '\'
return name.match('^[^/\\\\]*$') != null;
// Ensure name is available and function returns boolean
return !!(name && name.match('^[^/\\\\]*$'));
}

function loadLocale(name) {
Expand Down