fix: NamespaceDeclaration#getDeclarationKindKeyword should never retu…

…rn undefined.
dsherret · Jul 2, 2018 · 0b81c00 · 0b81c00
1 parent d1ee709
commit 0b81c00
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/src/compiler/namespace/NamespaceDeclaration.ts b/src/compiler/namespace/NamespaceDeclaration.ts
@@ -102,9 +102,6 @@ export class NamespaceDeclaration extends NamespaceDeclarationBase<ts.NamespaceD
             return this;
 
         const declarationKindKeyword = this.getDeclarationKindKeyword();
-        /* istanbul ignore if */
-        if (declarationKindKeyword == null)
-            throw new errors.NotImplementedError("Expected the declaration kind keyword to exist on a namespace.");
 
         replaceNodeText({
             sourceFile: this.getSourceFile(),
@@ -127,8 +124,12 @@ export class NamespaceDeclaration extends NamespaceDeclarationBase<ts.NamespaceD
      * Gets the namespace or module keyword.
      */
     getDeclarationKindKeyword() {
-        return this.getFirstChild(child =>
+        const keyword = this.getFirstChild(child =>
             child.getKind() === SyntaxKind.NamespaceKeyword ||
             child.getKind() === SyntaxKind.ModuleKeyword);
+        /* istanbul ignore if */
+        if (keyword == null)
+            throw new errors.NotImplementedError("Expected the declaration kind keyword to exist on a namespace.");
+        return keyword;
     }
 }