behaviortree/lib/Introspector.js

A JavaScript implementation of Behavior Trees. They are useful for implementing AIs. For Browsers and NodeJS.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
class Introspector {
    constructor() {
        this.currentResult = [];
        this.results = [];
    }
    start(tree) {
        this.tree = tree;
        this.currentResult = [];
    }
    end() {
        const result = this.currentResult.pop();
        if (result) {
            this.results.push(result);
        }
        delete this.tree;
        this.currentResult = [];
    }
    push(node, result, blackboard) {
        this.currentResult.push(this._toResult(node, result, blackboard));
    }
    wrapLast(numResults, node, result, blackboard) {
        const children = this.currentResult.splice(this.currentResult.length - numResults, numResults);
        this.currentResult.push({ ...this._toResult(node, result, blackboard), children });
    }
    // eslint-disable-next-line @typescript-eslint/no-unused-vars
    _toResult(node, result, _blackboard) {
        return { ...(node.name ? { name: node.name } : {}), result };
    }
    reset() {
        this.results = [];
    }
    get lastResult() {
        if (this.results.length === 0) {
            return null;
        }
        return this.results[this.results.length - 1];
    }
}
exports.default = Introspector;