fixing tests

ts/docx/document/index.ts

@@ -5,11 +5,6 @@ import {Paragraph} from "../paragraph";
 
 export class Document extends XmlComponent {
     private body: Body;
-    
-    xmlKeys = {
-        document: "w:document",
-        body: "w:body"
-    };
 
     constructor() {
         super("w:document");
@@ -36,7 +31,13 @@ export class Document extends XmlComponent {
         this.root.push(this.body);
     }
 
-    addParagraph(paragraph: Paragraph) {
+    addParagraph(paragraph: Paragraph): void {
         this.body.push(paragraph);
     }
+    
+    clearVariables(): void {
+        console.log("clearing");
+        this.body.clearVariables();
+        delete this.body;
+    }
 }

ts/docx/xml-components/index.ts

@@ -8,6 +8,8 @@ export abstract class BaseXmlComponent {
     }
 
     abstract replaceKey(): void;
+    clearVariables(): void {
+    };
 }
 
 export abstract class XmlComponent extends BaseXmlComponent {
@@ -23,7 +25,9 @@ export abstract class XmlComponent extends BaseXmlComponent {
         //console.log(this.root);
         if (this.root !== undefined) {
             this.root.forEach(root => {
-                root.replaceKey();
+                if (root && root instanceof BaseXmlComponent) {
+                    root.replaceKey();
+                }
             });
             this[this.rootKey] = this.root;
             delete this.root;