Neutrino Copy Middleware

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neutrino-middleware-copy is Neutrino middleware for copying files during building.


  • Node.js v6.10+
  • Yarn or npm client
  • Neutrino v7


neutrino-middleware-copy can be installed via the Yarn or npm clients.


❯ yarn add neutrino-middleware-copy


npm install --save neutrino-middleware-copy


neutrino-middleware-copy can be consumed from the Neutrino API, middleware, or presets. Require this package and plug it into Neutrino:

// Using function middleware format
const copy = require('neutrino-middleware-copy');

// Use with default options

// Usage shows the default values of this middleware:
neutrino.use(copy, {
  patterns: [],
  options: {}
// Using object or array middleware format

// Use with default options
module.exports = {
  use: ['neutrino-middleware-copy']

// Usage shows the default values of this middleware:
module.exports = {
  use: [
    ['neutrino-middleware-copy', {
      patterns: [],
      options: {}

The patterns and options are defined from the CopyWebpackPlugin. See their docs for details on valid values to specify.

  • patterns: An array of patterns specifying copy operations.
  • options: An object specifying copy options.


neutrino-middleware-copy creates some conventions to make overriding the configuration easier once you are ready to make changes.


The following is a list of plugins and their identifiers which can be overridden:

Name Description Environments and Commands
copy Copy files during building. all


This middleware is part of the neutrino-dev repository, a monorepo containing all resources for developing Neutrino and its core presets and middleware. Follow the contributing guide for details.

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