Turn math component into array

src/file/paragraph/math/n-ary/math-base.spec.ts

@@ -8,7 +8,7 @@ import { MathBase } from "./math-base";
 describe("MathBase", () => {
     describe("#constructor()", () => {
         it("should create a MathBase with correct root key", () => {
-            const mathBase = new MathBase(new MathRun("2+2"));
+            const mathBase = new MathBase([new MathRun("2+2")]);
 
             const tree = new Formatter().format(mathBase);
             expect(tree).to.deep.equal({

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

@@ -4,9 +4,11 @@ import { XmlComponent } from "file/xml-components";
 import { MathComponent } from "../math-component";
 
 export class MathBase extends XmlComponent {
-    constructor(run: MathComponent) {
+    constructor(children: MathComponent[]) {
         super("m:e");
 
-        this.root.push(run);
+        for (const child of children) {
+            this.root.push(child);
+        }
     }
 }

src/file/paragraph/math/n-ary/math-sub-script.spec.ts

@@ -8,7 +8,7 @@ import { MathSubScriptElement } from "./math-sub-script";
 describe("MathSubScriptElement", () => {
     describe("#constructor()", () => {
         it("should create a MathSubScriptElement with correct root key", () => {
-            const mathSubScriptElement = new MathSubScriptElement(new MathRun("2+2"));
+            const mathSubScriptElement = new MathSubScriptElement([new MathRun("2+2")]);
 
             const tree = new Formatter().format(mathSubScriptElement);
             expect(tree).to.deep.equal({

src/file/paragraph/math/n-ary/math-sub-script.ts

@@ -4,9 +4,11 @@ import { XmlComponent } from "file/xml-components";
 import { MathComponent } from "../math-component";
 
 export class MathSubScriptElement extends XmlComponent {
-    constructor(child: MathComponent) {
+    constructor(children: MathComponent[]) {
         super("m:sub");
 
-        this.root.push(child);
+        for (const child of children) {
+            this.root.push(child);
+        }
     }
 }

src/file/paragraph/math/n-ary/math-sum.spec.ts

@@ -9,9 +9,9 @@ describe("MathSum", () => {
     describe("#constructor()", () => {
         it("should create a MathSum with correct root key", () => {
             const mathSum = new MathSum({
-                child: new MathRun("1"),
-                subScript: new MathRun("2"),
-                superScript: new MathRun("3"),
+                children: [new MathRun("1")],
+                subScript: [new MathRun("2")],
+                superScript: [new MathRun("3")],
             });
 
             const tree = new Formatter().format(mathSum);

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

@@ -8,9 +8,9 @@ import { MathSubScriptElement } from "./math-sub-script";
 import { MathSuperScriptElement } from "./math-super-script";
 
 export interface IMathSumOptions {
-    readonly child: MathComponent;
-    readonly subScript?: MathComponent;
-    readonly superScript?: MathComponent;
+    readonly children: MathComponent[];
+    readonly subScript?: MathComponent[];
+    readonly superScript?: MathComponent[];
 }
 
 export class MathSum extends XmlComponent {
@@ -27,6 +27,6 @@ export class MathSum extends XmlComponent {
             this.root.push(new MathSuperScriptElement(options.superScript));
         }
 
-        this.root.push(new MathBase(options.child));
+        this.root.push(new MathBase(options.children));
     }
 }

src/file/paragraph/math/n-ary/math-super-script.spec.ts

@@ -8,7 +8,7 @@ import { MathSuperScriptElement } from "./math-super-script";
 describe("MathSuperScriptElement", () => {
     describe("#constructor()", () => {
         it("should create a MathSuperScriptElement with correct root key", () => {
-            const mathSuperScriptElement = new MathSuperScriptElement(new MathRun("2+2"));
+            const mathSuperScriptElement = new MathSuperScriptElement([new MathRun("2+2")]);
 
             const tree = new Formatter().format(mathSuperScriptElement);
             expect(tree).to.deep.equal({

src/file/paragraph/math/n-ary/math-super-script.ts

@@ -4,9 +4,11 @@ import { XmlComponent } from "file/xml-components";
 import { MathComponent } from "../math-component";
 
 export class MathSuperScriptElement extends XmlComponent {
-    constructor(child: MathComponent) {
+    constructor(children: MathComponent[]) {
         super("m:sup");
 
-        this.root.push(child);
+        for (const child of children) {
+            this.root.push(child);
+        }
     }
 }