Localise error

Author: tomgreenfield

plugins/content/bower/index.js

@@ -818,7 +818,9 @@ function addPackage (plugin, packageInfo, options, cb) {
         }
 
         if (targetAttributeExists) {
-          return addCb(new PluginPackageError(`Can't add plugin: targetAttribute already exists!`));
+          return addCb(new PluginPackageError(app.polyglot.t('app.targetattributeexists', {
+            targetAttribute
+          })));
         }
 
         // don't duplicate component.name, component.version

routes/lang/en-application.json

@@ -415,6 +415,7 @@
   "app.unrecognisedplugin": "Unrecognised plugin - a plugin should have a bower.json file.",
   "app.unrecognisedpluginforpackage": "Unrecognised plugin type for package %{package}.",
   "app.incompatibleframework": "This plugin is incompatible with version %{framework} of the Adapt framework.",
+  "app.targetattributeexists": "There is a plugin already installed with a target attribute of '%{targetAttribute}'.",
   "app.versionexists": "You already have this version of the plugin installed.",
   "app.unknownuser": "Unknown User"
 }