ability to specify textDirection for section

src/file/document/body/section-properties/properties/page-text-direction.ts

@@ -0,0 +1,22 @@
+import { XmlAttributeComponent, XmlComponent } from "file/xml-components";
+
+export enum PageTextDirection {
+    LEFT_TO_RIGHT_TOP_TO_BOTTOM = "lrTb",
+    TOP_TO_BOTTOM_RIGHT_TO_LEFT = "tbRl",
+}
+
+class PageTextDirectionAttributes extends XmlAttributeComponent<{ readonly val: PageTextDirection }> {
+    protected readonly xmlKeys = { val: "w:val" };
+}
+
+export class PageTDirection extends XmlComponent {
+    constructor(value: PageTextDirection) {
+        super("w:textDirection");
+
+        this.root.push(
+            new PageTextDirectionAttributes({
+                val: value,
+            }),
+        );
+    }
+}