/**
* 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 { Program } from "../core/program.mjs";
import { InputSocket, NextSocket, PrevSocket } from "../core/socket.mjs";
import { Types } from "../core/type.mjs";
/**
* This class implements a cnode that log a message through
* the events system
*/
export class Log extends Node {
/** Return an instance of this node */
static instance = () => new Log();
/**
* Construct a new Log node
*/
constructor() {
super("Log");
this.inputs = [new InputSocket("Val", this, Types.ANY)];
this.outputs = [];
this.nexts = [new NextSocket("Out", this)];
this.prev = new PrevSocket("In", this);
}
/**
* Clone this node
* @param {Function} factory The factory class function
*/
clone(factory = Log.instance) {
return super.clone(factory);
}
/**
* The process method
*/
async process() {
await this.evaluateInputs();
// Send a "log" event
Program.events.emit("cn:log", this.input("Val").value);
return this.getFlowResult(this.next("Out"));
}
}