added fixedWidthLayout option and method

ts/docx/table/index.ts

@@ -55,6 +55,11 @@ export class Table extends XmlComponent {
         this.properties.setWidth(type, width);
         return this;
     }
+
+    public fixedWidthLayout(): Table {
+        this.properties.fixedWidthLayout();
+        return this;
+    }
 }
 
 class TableRow extends XmlComponent {

ts/docx/table/properties.ts

@@ -11,6 +11,11 @@ export class TableProperties extends XmlComponent {
         this.root.push(new PreferredTableWidth(type, w));
         return this;
     }
+
+    public fixedWidthLayout(): TableProperties {
+        this.root.push(new TableLayout("fixed"));
+        return this;
+    }
 }
 
 interface ITableWidth {
@@ -28,3 +33,16 @@ class PreferredTableWidth extends XmlComponent {
         this.root.push(new TableWidthAttributes({type, w}));
     }
 }
+
+type tableLayout = "autofit" | "fixed";
+
+class TableLayoutAttributes extends XmlAttributeComponent<{type: tableLayout}> {
+    protected xmlKeys = {type: "w:type"};
+}
+
+class TableLayout extends XmlComponent {
+    constructor(type: tableLayout) {
+        super("w:tblLayout");
+        this.root.push(new TableLayoutAttributes({type}));
+    }
+}

ts/tests/docx/table/testProperties.ts

@@ -22,4 +22,16 @@ describe("TableProperties", () => {
             });
         });
     });
+
+    describe("#fixedWidthLayout", () => {
+        it("sets the table to fixed width layout", () => {
+            const tp = new TableProperties().fixedWidthLayout();
+            const tree = new Formatter().format(tp);
+            expect(tree).to.deep.equal({
+                "w:tblPr": [
+                    {"w:tblLayout": [{_attr: {"w:type": "fixed"}}]},
+                ],
+            });
+        });
+    });
 });

ts/tests/docx/table/testTable.ts

@@ -93,4 +93,17 @@ describe("Table", () => {
             });
         });
     });
+
+    describe("#fixedWidthLayout", () => {
+        it("sets the table to fixed width layout", () => {
+            const table = new Table(2, 2).fixedWidthLayout();
+            const tree = new Formatter().format(table);
+            expect(tree).to.have.property("w:tbl").which.is.an("array").with.has.length.at.least(1);
+            expect(tree["w:tbl"][0]).to.deep.equal({
+                "w:tblPr": [
+                    {"w:tblLayout": [{_attr: {"w:type": "fixed"}}]},
+                ],
+            });
+        });
+    });
 });