fix(compiler): assert xliff messages have translations

fixes #12815 closes #12604
2016-11-14 11:22:58 -08:00
parent 9ed9ff40b3
commit 7908679c4b
2 changed files with 23 additions and 1 deletions
--- a/modules/@angular/compiler/src/i18n/serializers/xliff.ts
+++ b/modules/@angular/compiler/src/i18n/serializers/xliff.ts
@ -190,7 +190,11 @@ class XliffParser implements ml.Visitor {
            this._addError(element, `Duplicated translations for msg ${id}`);
          } else {
            ml.visitAll(this, element.children, null);
-            this._mlNodesByMsgId[id] = this._unitMlNodes;
+            if (this._unitMlNodes) {
+              this._mlNodesByMsgId[id] = this._unitMlNodes;
+            } else {
+              this._addError(element, `Message ${id} misses a translation`);
+            }
          }
        }
        break;