dynamicl/dist/index.js

A library for auto-detecting and loading classes

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Detectable = void 0;
exports.autodetect = autodetect;
require("reflect-metadata");
const fs = require("fs");
const path = require("path");
class Detectable {
    constructor(name) {
        this.name = name;
    }
}
exports.Detectable = Detectable;
function autodetect(options) {
    return function (target, propertyKey) {
        const location = path.resolve(options.location);
        Reflect.defineMetadata('autodetect:options', options, target, propertyKey);
        Object.defineProperty(target, propertyKey, {
            get: function () {
                if (!this._loadedItems) {
                    this._loadedItems = loadItems(location, options.baseClass);
                }
                return this._loadedItems;
            },
            configurable: true,
            enumerable: true
        });
    };
}
function loadItems(directoryPath, BaseClass) {
    const items = [];
    const files = fs.readdirSync(directoryPath);
    for (const file of files) {
        if (file.endsWith('.ts') || file.endsWith('.js')) {
            const filePath = path.join(directoryPath, file);
            let module;
            try {
                module = require(filePath);
            }
            catch (error) {
                console.error(`Error loading module ${filePath}:`, error);
                continue;
            }
            for (const exportedItem of Object.values(module)) {
                if (typeof exportedItem === 'function' &&
                    exportedItem.prototype instanceof BaseClass) {
                    const ItemClass = exportedItem;
                    items.push(new ItemClass(path.basename(file, path.extname(file))));
                }
            }
        }
    }
    return items;
}