Hidden files doesn't copy

[vovanmozg]

After starting I compared directories and saw, that several files missing in destination directory.
$ diff -dr ./node_modules ../other_packet/node_modules/packet1/node_modules

Only in node_modules: .bin
Only in node_modules: .yarn-integrity
Only in node_modules/agent-base: .npmignore
Only in node_modules/agent-base: .travis.yml
Only in node_modules/agent-base: node_modules
Only in node_modules/andlog: .npmignore
Only in node_modules/ast-types: .travis.yml
Only in node_modules/babel-code-frame: .npmignore
Only in node_modules/babel-helper-builder-binary-assignment-operator-visitor: .npmignore
Only in node_modules/babel-helper-builder-react-jsx: .npmignore
Only in node_modules/babel-helper-call-delegate: .npmignore
Only in node_modules/babel-helper-define-map: .npmignore
Only in node_modules/babel-helper-explode-assignable-expression: .npmignore
Only in node_modules/babel-helper-function-name: .npmignore
Only in node_modules/babel-helper-get-function-arity: .npmignore
Only in node_modules/babel-helper-hoist-variables: .npmignore
Only in node_modules/babel-helper-optimise-call-expression: .npmignore
Only in node_modules/babel-helper-replace-supers: .npmignore
Only in node_modules/babel-messages: .npmignore
Only in node_modules/babel-plugin-check-es2015-constants: .npmignore
Only in node_modules/babel-plugin-react-transform: .babelrc
Only in node_modules/babel-plugin-react-transform: .eslintrc
Only in node_modules/babel-plugin-react-transform: .npmignore
Only in node_modules/babel-plugin-react-transform: .travis.yml
...