enbock / Time-Tracker

export default class ModuleLoader {

  moduleState: Observer<typeof React.Component | null>;

  dictionary: LoadedModuleDictionary;

  pathToRoot: string;

  constructor(pathToRoot: string, moduleState: Observer<typeof React.Component | null>) {

    this.moduleState = moduleState;

    this.dictionary = {};

    this.pathToRoot = pathToRoot;

  }

  async loadModule(modulePath: string) {

    let module: typeof React.Component;

    if (!this.dictionary.hasOwnProperty(modulePath)) {

      const filePath = (this.pathToRoot + modulePath + '.js').replace('.././', '../');

      module = (await import(filePath)).default as typeof React.Component;

      this.dictionary[modulePath] = module;

    } else {

      module = this.dictionary[modulePath];

    }

    this.moduleState.value = module;