ability to specify textDirection for section

src/file/document/body/section-properties/properties/index.ts

@@ -7,6 +7,7 @@ export * from "./page-number";
 export * from "./page-borders";
 export * from "./page-margin";
 export * from "./page-borders";
+export * from "./page-text-direction";
 export * from "./line-number";
 export * from "./section-type";
 export * from "./header-footer-reference";

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

@@ -0,0 +1,22 @@
+import { expect } from "chai";
+
+import { Formatter } from "export/formatter";
+import { PageTDirection, PageTextDirection } from "./page-text-direction";
+
+describe("PageTextDirection", () => {
+    describe("#constructor()", () => {
+        it("should set the direction of the text flow to top-to-bottom-right-to-left", () => {
+            const textDirection = new PageTDirection(PageTextDirection.TOP_TO_BOTTOM_RIGHT_TO_LEFT);
+
+            const tree = new Formatter().format(textDirection);
+
+            expect(tree).to.deep.equal({
+                "w:textDirection": {
+                    _attr: {
+                        "w:val": "tbRl",
+                    },
+                },
+            });
+        });
+    });
+});

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,
+            }),
+        );
+    }
+}

src/file/document/body/section-properties/section-properties.spec.ts

@@ -11,6 +11,7 @@ import { VerticalAlign } from "file/vertical-align";
 import { PageOrientation } from "./properties";
 import { LineNumberRestartFormat } from "./properties/line-number";
 import { PageBorderOffsetFrom } from "./properties/page-borders";
+import { PageTextDirection } from "./properties/page-text-direction";
 import { SectionType } from "./properties/section-type";
 import { sectionMarginDefaults, sectionPageSizeDefaults, SectionProperties } from "./section-properties";
 
@@ -258,5 +259,19 @@ describe("SectionProperties", () => {
                 "w:lnNumType": { _attr: { "w:countBy": 2, "w:distance": 4, "w:restart": "continuous", "w:start": 2 } },
             });
         });
+
+        it("should create section properties with text flow direction", () => {
+            const properties = new SectionProperties({
+                page: {
+                    textDirection: PageTextDirection.TOP_TO_BOTTOM_RIGHT_TO_LEFT,
+                },
+            });
+            const tree = new Formatter().format(properties);
+            expect(Object.keys(tree)).to.deep.equal(["w:sectPr"]);
+            const type = tree["w:sectPr"].find((item) => item["w:textDirection"] !== undefined);
+            expect(type).to.deep.equal({
+                "w:textDirection": { _attr: { "w:val": "tbRl" } },
+            });
+        });
     });
 });

src/file/document/body/section-properties/section-properties.ts

@@ -15,6 +15,7 @@ import { IPageBordersOptions, PageBorders } from "./properties/page-borders";
 import { IPageMarginAttributes, PageMargin } from "./properties/page-margin";
 import { IPageNumberTypeAttributes, PageNumberType } from "./properties/page-number";
 import { IPageSizeAttributes, PageOrientation, PageSize } from "./properties/page-size";
+import { PageTDirection, PageTextDirection } from "./properties/page-text-direction";
 import { SectionType, Type } from "./properties/section-type";
 
 export interface IHeaderFooterGroup<T> {
@@ -29,6 +30,7 @@ export interface ISectionPropertiesOptions {
         readonly margin?: IPageMarginAttributes;
         readonly pageNumbers?: IPageNumberTypeAttributes;
         readonly borders?: IPageBordersOptions;
+        readonly textDirection?: PageTextDirection;
     };
     readonly grid?: IDocGridAttributesProperties;
     readonly headerWrapperGroup?: IHeaderFooterGroup<HeaderWrapper>;
@@ -108,6 +110,7 @@ export class SectionProperties extends XmlComponent {
             } = {},
             pageNumbers = {},
             borders,
+            textDirection,
         } = {},
         grid: { linePitch = 360 } = {},
         headerWrapperGroup = {},
@@ -152,6 +155,10 @@ export class SectionProperties extends XmlComponent {
             this.root.push(new OnOffElement("w:titlePg", titlePage));
         }
 
+        if (textDirection) {
+            this.root.push(new PageTDirection(textDirection));
+        }
+
         this.root.push(new DocumentGrid(linePitch));
     }