Got docx not crashing when adding image

src/file/drawing/inline/extent/extent.ts

@@ -0,0 +1,14 @@
+import { XmlComponent } from "file/xml-components";
+import { ExtentAttributes } from "./extent-attributes";
+
+export class Extent extends XmlComponent {
+
+    constructor() {
+        super("wp:extent");
+
+        this.root.push(new ExtentAttributes({
+            cx: 3162300,
+            cy: 2857500,
+        }));
+    }
+}