findImports: fix crash on nested namespaces

ajafff · Jul 25, 2019 · 1a472b7 · 1a472b7
1 parent eae53d0
commit 1a472b7
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/util/util.ts b/util/util.ts
@@ -1290,12 +1290,20 @@ class ImportFinder {
             } else if (isExportDeclaration(statement)) {
                 if (statement.moduleSpecifier !== undefined && this._options & ImportKind.ExportFrom)
                     this._result.push(<any>statement);
-            } else if (isModuleDeclaration(statement) && statement.body !== undefined) {
-                this._findImports((<ts.ModuleBlock>statement.body).statements);
+            } else if (isModuleDeclaration(statement)) {
+                this._findImportsInModule(statement);
             }
         }
     }
 
+    private _findImportsInModule(declaration: ts.ModuleDeclaration): void {
+        if (declaration.body === undefined)
+            return;
+        if (declaration.body.kind === ts.SyntaxKind.ModuleDeclaration)
+            return this._findImportsInModule(declaration.body);
+        this._findImports((<ts.ModuleBlock>declaration.body).statements);
+    }
+
     private _findNestedImports() {
         let re;
         if ((this._options & ImportKind.AllNestedImports) === ImportKind.Require) {