remove deprecated mutable drawing functions: scale, setXY

src/file/paragraph/formatting/border.spec.ts

@@ -82,6 +82,11 @@ describe("Border", () => {
                 ],
             });
         });
+
+        it("should not add empty borders element if there are no borders defined", () => {
+            const tb = new Border({});
+            expect(() => new Formatter().format(tb)).to.throw();
+        });
     });
 });
 

src/file/paragraph/formatting/border.ts

@@ -1,6 +1,6 @@
 // http://officeopenxml.com/WPborders.php
 import { BorderElement, BorderStyle, IBorderOptions } from "file/border";
-import { XmlComponent } from "file/xml-components";
+import { IgnoreIfEmptyXmlComponent, XmlComponent } from "file/xml-components";
 
 export interface IBordersOptions {
     readonly top?: IBorderOptions;
@@ -9,7 +9,7 @@ export interface IBordersOptions {
     readonly right?: IBorderOptions;
 }
 
-export class Border extends XmlComponent {
+export class Border extends IgnoreIfEmptyXmlComponent {
     constructor(options: IBordersOptions) {
         super("w:pBdr");