@glandjs/core/injector/graph.js

Glands is a web framework for Node.js (@core)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.DependencyGraph = void 0;
class DependencyGraph {
    constructor() {
        this.nodes = new Map();
    }
    addNode(id, type, parentId, metadata, instance) {
        if (this.nodes.has(id)) {
            const existingNode = this.nodes.get(id);
            existingNode.type = type;
            existingNode.metadata = { ...existingNode.metadata, ...metadata };
            if (instance !== undefined) {
                existingNode.instance = instance;
            }
            if (parentId && !existingNode.parentId) {
                existingNode.parentId = parentId;
                const parentNode = this.getNode(parentId);
                if (parentNode) {
                    parentNode.children.push(id);
                }
            }
            return existingNode;
        }
        const node = {
            id,
            type,
            metadata,
            instance,
            parentId,
            children: [],
        };
        this.nodes.set(id, node);
        if (parentId) {
            const parentNode = this.getNode(parentId);
            if (parentNode) {
                parentNode.children.push(id);
            }
        }
        return node;
    }
    getNode(id) {
        return this.nodes.get(id);
    }
}
exports.DependencyGraph = DependencyGraph;