mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-12-23 09:52:26 +01:00
352dbd8831
Three uses of `hasOwnProperty.call` have been replaced with simpler alternatives. I did this because I found this convention confusing. The `ComposableObservableStore` changes required adding a check for whether the `config` is defined, because the old syntax would allow iterating over `undefined` as if it was an empty object. Functionally it should be identical. A new test was added to highlight this functionality.
47 lines
1.6 KiB
JavaScript
47 lines
1.6 KiB
JavaScript
import extension from 'extensionizer';
|
|
import promisify from 'pify';
|
|
import allLocales from '../../_locales/index.json';
|
|
|
|
const getPreferredLocales = extension.i18n
|
|
? promisify(extension.i18n.getAcceptLanguages, { errorFirst: false })
|
|
: async () => [];
|
|
|
|
// mapping some browsers return hyphen instead underscore in locale codes (e.g. zh_TW -> zh-tw)
|
|
const existingLocaleCodes = {};
|
|
allLocales.forEach((locale) => {
|
|
if (locale && locale.code) {
|
|
existingLocaleCodes[locale.code.toLowerCase().replace('_', '-')] =
|
|
locale.code;
|
|
}
|
|
});
|
|
|
|
/**
|
|
* Returns a preferred language code, based on settings within the user's browser. If we have no translations for the
|
|
* users preferred locales, 'en' is returned.
|
|
*
|
|
* @returns {Promise<string>} Promises a locale code, either one from the user's preferred list that we have a translation for, or 'en'
|
|
*
|
|
*/
|
|
export default async function getFirstPreferredLangCode() {
|
|
let userPreferredLocaleCodes;
|
|
|
|
try {
|
|
userPreferredLocaleCodes = await getPreferredLocales();
|
|
} catch (e) {
|
|
// Brave currently throws when calling getAcceptLanguages, so this handles that.
|
|
userPreferredLocaleCodes = [];
|
|
}
|
|
|
|
// safeguard for Brave Browser until they implement chrome.i18n.getAcceptLanguages
|
|
// https://github.com/MetaMask/metamask-extension/issues/4270
|
|
if (!userPreferredLocaleCodes) {
|
|
userPreferredLocaleCodes = [];
|
|
}
|
|
|
|
const firstPreferredLangCode = userPreferredLocaleCodes
|
|
.map((code) => code.toLowerCase().replace('_', '-'))
|
|
.find((code) => existingLocaleCodes[code] !== undefined);
|
|
|
|
return existingLocaleCodes[firstPreferredLangCode] || 'en';
|
|
}
|