Function onFileLoaded

packager/src/ModuleGraph/Graph.js:140–169

(
    error,
    file,
    dependencyIDs,
    id,
    parent,
    parentDependencyIndex,
  )

  }

  function onFileLoaded(
    error,
    file,
    dependencyIDs,
    id,
    parent,
    parentDependencyIndex,
  ) {
    if (error) {
      return;
    }

    const {path} = nullthrows(file);
    dependencyIDs = nullthrows(dependencyIDs);

    const parentModule = modules.get(parent);
    invariant(parentModule, 'Invalid parent module: ' + String(parent));
    parentModule.dependencies[parentDependencyIndex] = {id, path};

    if ((!skip || !skip.has(path)) && !modules.has(path)) {
      const module = {
        dependencies: Array(dependencyIDs.length),
        file: nullthrows(file),
      };
      modules.set(path, module);
      for (let i = 0; i < dependencyIDs.length; ++i) {
        loadModule(dependencyIDs[i], path, i);
      }
    }
  }

  return {collect, loadModule};
}