Function installNodeInterceptor

src/back/extensions/NodeInterceptor.ts:54–75

(state: InterceptorState)

 * @param state State object holding all interceptor data
 */
export async function installNodeInterceptor(state: InterceptorState): Promise<void> {
  const { alternatives, factories } = state;
  const node_module: any = await import('module');
  const original = node_module._load;
  node_module._load = function load(request: string, parent: { path: string, filename: string; }, isMain: any) {
    for (const alternativeModuleName of alternatives) {
      const alternative = alternativeModuleName(request);
      if (alternative) {
        request = alternative;
        break;
      }
    }
    if (!factories.has(request)) {
      return original.apply(this, arguments);
    }
    return factories.get(request)!.load(
      request,
      parent.filename,
      request => original.apply(this, [request, parent, isMain])
    );
  };
}

interface IExtensionApiFactory {
  (id: string, ext: IExtensionManifest, addExtLog: (entry: ILogEntry) => void, version: string, state: BackState, extPath?: string): typeof flashpoint;