astNode.js

class ASTNode {
  constructor(type, value) {
    this.type = type;
    if (value) {
      this.value = value;
    }
  }
  appendChild(childNode) {
    if (!this.children) {
      this.children = [];
    }
    this.children.push(childNode);
  }
}

module.exports = ASTNode;