texMath.js

const STATE_COUNT = 0; // TODO: placeholder

class MonoidElement {
  constructor(states) {
    this.states = states;
  }

  get valid() {
    return false; // TODO: placeholder
  }
}

export const IDENTITY_ELEMENT = new MonoidElement(); // TODO: placeholder

export function encodeAsMonoidElement(character) {
  return IDENTITY_ELEMENT; // TODO: placeholder
}

export function combineMonoidElements(left, right) {
  const states = [];
  for (let i = 0; i < STATE_COUNT; ++i) {
    states.push(right.states[left.states[i]]);
  }
  return new MonoidElement(states);
}