/**
* cnodes
*
* A representation-agnostic library to define and execute nodes based processes
* License: MIT
* Author: Marco Jacovone
* Year: 2020-2021
*/
import { Node } from "../core/node.mjs";
import { InputSocket, OutputSocket } from "../core/socket.mjs";
import { Types } from "../core/type.mjs";
/**
* This class implements a functional GetVar node,
* a node to read a variable's value from the global
* program's space
*/
export class FGetvar extends Node {
// Provide a node instance
static instance = () => new FGetvar();
/**
* Construct a new FGetvar node
*/
constructor() {
super("FGetvar");
this.functional = true;
this.inputs = [new InputSocket("Name", this, Types.STRING, "")];
this.outputs = [new OutputSocket("Val", this, Types.ANY, "", false)];
this.nexts = [];
this.prev = null;
}
/**
* Clone this node
* @param {Function} factory The factory class function
*/
clone(factory = FGetvar.instance) {
return super.clone(factory);
}
/**
* The process method
*/
async process() {
await this.evaluateInputs();
let varName = this.input("Name").value;
this.output("Val").value = this.program.vars.get(varName);
}
}