add ability to vertically align content of section

demo/48-vertical-align.ts

@@ -0,0 +1,31 @@
+// Example of making content of section vertically aligned
+// Import from 'docx' rather than '../build' if you install from npm
+import * as fs from "fs";
+import { Document, Packer, Paragraph, SectionVerticalAlignValue, TextRun } from "../build";
+
+const doc = new Document();
+
+doc.addSection({
+    properties: {
+        valign: SectionVerticalAlignValue.Center,
+    },
+    children: [
+        new Paragraph({
+            children: [
+                new TextRun("Hello World"),
+                new TextRun({
+                    text: "Foo Bar",
+                    bold: true,
+                }),
+                new TextRun({
+                    text: "Github is the best",
+                    bold: true,
+                }).tab(),
+            ],
+        }),
+    ],
+});
+
+Packer.toBuffer(doc).then((buffer) => {
+    fs.writeFileSync("My Document.docx", buffer);
+});

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

@@ -5,3 +5,4 @@ export * from "./page-size";
 export * from "./page-number";
 export * from "./page-border";
 export * from "./line-number";
+export * from "./vertical-align";

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

@@ -18,6 +18,7 @@ import { IPageNumberTypeAttributes, PageNumberType } from "./page-number";
 import { PageSize } from "./page-size/page-size";
 import { IPageSizeAttributes, PageOrientation } from "./page-size/page-size-attributes";
 import { TitlePage } from "./title-page/title-page";
+import { ISectionVerticalAlignAttributes, SectionVerticalAlign } from "./vertical-align";
 
 export interface IHeaderFooterGroup<T> {
     readonly default?: T;
@@ -45,7 +46,8 @@ export type SectionPropertiesOptions = IPageSizeAttributes &
     IPageNumberTypeAttributes &
     ILineNumberAttributes &
     IPageBordersOptions &
-    ITitlePageOptions & {
+    ITitlePageOptions &
+    ISectionVerticalAlignAttributes & {
         readonly column?: {
             readonly space?: number;
             readonly count?: number;
@@ -87,6 +89,7 @@ export class SectionProperties extends XmlComponent {
             pageBorderBottom,
             pageBorderLeft,
             titlePage = false,
+            valign,
         } = options;
 
         this.options = options;
@@ -121,6 +124,10 @@ export class SectionProperties extends XmlComponent {
         if (titlePage) {
             this.root.push(new TitlePage());
         }
+
+        if (valign) {
+            this.root.push(new SectionVerticalAlign(valign));
+        }
     }
 
     private addHeaders(headers?: IHeaderFooterGroup<HeaderWrapper>): void {

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

@@ -0,0 +1,2 @@
+export * from "./vertical-align";
+export * from "./vertical-align-attributes";

src/file/document/body/section-properties/vertical-align/vertical-align-attributes.ts

@@ -0,0 +1,12 @@
+import { XmlAttributeComponent } from "file/xml-components";
+import { SectionVerticalAlignValue } from "./vertical-align";
+
+export interface ISectionVerticalAlignAttributes {
+    readonly valign?: SectionVerticalAlignValue;
+}
+
+export class SectionVerticalAlignAttributes extends XmlAttributeComponent<ISectionVerticalAlignAttributes> {
+    protected readonly xmlKeys = {
+        valign: "w:val",
+    };
+}

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

@@ -0,0 +1,18 @@
+// http://officeopenxml.com/WPsection.php
+
+import { XmlComponent } from "file/xml-components";
+import { SectionVerticalAlignAttributes } from "./vertical-align-attributes";
+
+export enum SectionVerticalAlignValue {
+    Both = "both",
+    Bottom = "bottom",
+    Center = "center",
+    Top = "top",
+}
+
+export class SectionVerticalAlign extends XmlComponent {
+    constructor(value: SectionVerticalAlignValue) {
+        super("w:vAlign");
+        this.root.push(new SectionVerticalAlignAttributes({ valign: value }));
+    }
+}