1 files changed, 72 insertions, 0 deletions

diff --git a/src/helpers/i18n-helpers.ts b/src/helpers/i18n-helpers.ts
new file mode 100644
index 000000000..c1f18f446
--- /dev/null
+++ b/src/helpers/i18n-helpers.ts
@@ -0,0 +1,72 @@
+export function getLocale({
+  locale, locales, defaultLocale, fallbackLocale,
+}) {
+  let localeStr = locale;
+  if (locales[locale] === undefined) {
+    let localeFuzzy: string | undefined;
+    Object.keys(locales).forEach((localStr) => {
+      if (locales && Object.hasOwnProperty.call(locales, localStr)) {
+        if (locale.substring(0, 2) === localStr.substring(0, 2)) {
+          localeFuzzy = localStr;
+        }
+      }
+    });
+
+    if (localeFuzzy !== undefined) {
+      localeStr = localeFuzzy;
+    }
+  }
+
+  if (locales[localeStr] === undefined) {
+    localeStr = defaultLocale;
+  }
+
+  if (!localeStr) {
+    localeStr = fallbackLocale;
+  }
+
+  return localeStr;
+}
+
+export function getSelectOptions({
+  locales, resetToDefaultText = '', automaticDetectionText = '', sort = true,
+}) {
+  const options: object[] = [];
+
+  if (resetToDefaultText) {
+    options.push(
+      {
+        value: '',
+        label: resetToDefaultText,
+      },
+    );
+  }
+
+  if (automaticDetectionText) {
+    options.push(
+      {
+        value: 'automatic',
+        label: automaticDetectionText,
+      },
+    );
+  }
+
+  options.push({
+    value: '───',
+    label: '───',
+    disabled: true,
+  });
+
+  let keys = Object.keys(locales);
+  if (sort) {
+    keys = keys.sort(Intl.Collator().compare);
+  }
+  keys.forEach((key) => {
+    options.push({
+      value: key,
+      label: locales[key],
+    });
+  });
+
+  return options;
+}