Node.ts

import { mendly } from "mendly"
import { Variables } from "./Variables"

export abstract class Node {
	abstract readonly class: string
	get variables(): Variables {
		return {}
	}
	protected constructor(readonly region?: mendly.Error.Region) {}
	toObject(): { class: string } & any {
		return { class: this.class }
	}
	toJson(indent: string = ""): string {
		return JSON.stringify(this.toObject(), null, indent)
	}
	static create(data: { class: string } & any): Node | undefined {
		const creator = creators[data.class]
		return creator?.(data)
	}
}
export namespace Node {}
export type Creator = (data: { class: string } & any) => Node
const creators: { [name: string]: Creator | undefined } = {}
export function register(name: string, creator: Creator) {
	creators[name] = creator
}