/**
* 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 node for get
* the length of an array
*/
export class FALength extends Node {
// Provide a node instance
static instance = () => new FALength();
/**
* Construct a new FALength node
*/
constructor() {
super("FALength");
// The node is pure functional
this.functional = true;
// Default to two numeric inputs
this.inputs = [new InputSocket("Array", this, Types.ARRAY, 0)];
this.outputs = [new OutputSocket("Val", this, Types.NUMBER, 0, false)];
this.prev = null;
this.nexts = [];
}
/**
* Clone this node
* @param {Function} factory The factory class function
*/
clone(factory = FALength.instance) {
return super.clone(factory);
}
/**
* The process override
*/
async process() {
await this.evaluateInputs();
let arr = this.input("Array").value;
if (!Array.isArray(arr)) {
// TODO: Manage error
} else {
this.output("Val").value = arr.length;
}
}
}