extend table and table cell support for cell merge, span, borders ... (#6)

* extend table and table cell support for cell merge, span, borders ...

* added tests for table cell borders and table cell width, renamed some variables, added jsdoc

src/file/table/table.ts

@@ -2,6 +2,7 @@ import { IXmlableObject, XmlComponent } from "file/xml-components";
 import { Paragraph } from "../paragraph";
 import { TableGrid } from "./grid";
 import { TableProperties, WidthTypes } from "./properties";
+import { TableCellBorders, GridSpan, VMerge, VMergeType, VerticalAlign, VAlign, TableCellWidth, WidthType } from "file/table/table-cell";
 
 export class Table extends XmlComponent {
     private readonly properties: TableProperties;
@@ -123,7 +124,29 @@ export class TableCell extends XmlComponent {
 }
 
 export class TableCellProperties extends XmlComponent {
+    private cellBorder: TableCellBorders;
     constructor() {
         super("w:tcPr");
+        this.cellBorder = new TableCellBorders();
+        this.root.push(this.cellBorder);
+    }
+
+    get borders() {
+        return this.cellBorder;
+    }
+    addGridSpan(cellSpan: number) {
+        this.root.push(new GridSpan(cellSpan));
+    }
+
+    addVerticalMerge(type: VMergeType) {
+        this.root.push(new VMerge(type));
+    }
+
+    setVerticalAlign(vAlignType: VerticalAlign) {
+        this.root.push(new VAlign(vAlignType));
+    }
+
+    setWidth(width: string | number, type: WidthType) {
+        this.root.push(new TableCellWidth(width, type));
     }
 }