Add tOrKey function to I18nProvider

ui/app/i18n-provider.js

@@ -6,6 +6,11 @@ const { compose } = require('recompose')
 const t = require('../i18n-helper').getMessage
 
 class I18nProvider extends Component {
+  tOrDefault = (key, defaultValue, ...args) => {
+    const { localeMessages: { current, en } = {} } = this.props
+    return t(current, key, ...args) || t(en, key, ...args) || defaultValue
+  }
+
   getChildContext () {
     const { localeMessages } = this.props
     const { current, en } = localeMessages
@@ -13,8 +18,9 @@ class I18nProvider extends Component {
       t (key, ...args) {
         return t(current, key, ...args) || t(en, key, ...args) || `[${key}]`
       },
-      tOrDefault (key, ...args) {
-        return t(current, key, ...args) || t(en, key, ...args) || key
+      tOrDefault: this.tOrDefault,
+      tOrKey (key, ...args) {
+        return this.tOrDefault(key, key, ...args)
       },
     }
   }
@@ -32,6 +38,7 @@ I18nProvider.propTypes = {
 I18nProvider.childContextTypes = {
   t: PropTypes.func,
   tOrDefault: PropTypes.func,
+  tOrKey: PropTypes.func,
 }
 
 const mapStateToProps = state => {