Add MathIntegral class

src/file/paragraph/math/n-ary/math-integral.ts

@@ -0,0 +1,31 @@
+import { XmlComponent } from "@file/xml-components";
+
+import { MathComponent } from "../math-component";
+import { MathBase } from "./math-base";
+import { MathNAryProperties } from "./math-n-ary-properties";
+import { MathSubScriptElement } from "./math-sub-script";
+import { MathSuperScriptElement } from "./math-super-script";
+
+export interface IMathIntegralOptions {
+    readonly children: readonly MathComponent[];
+    readonly subScript?: readonly MathComponent[];
+    readonly superScript?: readonly MathComponent[];
+}
+
+export class MathIntegral extends XmlComponent {
+    public constructor(options: IMathIntegralOptions) {
+        super("m:nary");
+
+        this.root.push(new MathNAryProperties("", !!options.superScript, !!options.subScript));
+
+        if (!!options.subScript) {
+            this.root.push(new MathSubScriptElement(options.subScript));
+        }
+
+        if (!!options.superScript) {
+            this.root.push(new MathSuperScriptElement(options.superScript));
+        }
+
+        this.root.push(new MathBase(options.children));
+    }
+}