A world-class math input for the web
pulljosh.com
1import { CaretNode, h, VNode } from "@caret-js/core";
2import { MathExpressionTag } from "../tags/mathExpression";
3import { SubscriptNode } from "./subscript";
4
5export class ExponentNode extends CaretNode {
6 constructor(public base: CaretNode, public power: CaretNode) {
7 super();
8 this.addTag(new MathExpressionTag());
9 }
10
11 static from(base: CaretNode, power: CaretNode): ExponentNode {
12 return new ExponentNode(base, power);
13 }
14
15 toDebugMathML(): VNode {
16 if (this.base instanceof SubscriptNode) {
17 return h(
18 "msubsup",
19 {},
20 this.base.child.toDebugMathML(),
21 this.base.subscript.toDebugMathML(),
22 this.power.toDebugMathML()
23 );
24 }
25
26 return h("msup", {}, this.base.toDebugMathML(), this.power.toDebugMathML());
27 }
28}