Node Packaged Modules


    10.4.6 • Public • Published

    Hops Build Config


    hops-build-config exposes webpack configurations for Node.js, browser and webpack-dev-server.


    When you install hops-build, hops-build-config will be installed as a dependency as well - so you don't necessarily have to separately install hops-build-config.

    However iff you want to use it in your app directly (for example to extend it), install it by running

    npm install --save hops-build-config


    Please find a list of the default configs below. You can override them to control your build using hops-config.

    Available options

    Field Type Description
    buildConfig String Path to your Webpack build configuration file. Defaults to ./node_modules/hops-build-config/configs/build.js
    developConfig String Path to your Webpack development configuration file. Defaults to ./node_modules/hops-build-config/configs/develop.js
    nodeConfig String Path to your Webpack node/server-side rendering configuration file. Defaults to ./node_modules/hops-build-config/configs/node.js

    Custom Webpack configuration

    Webpack configurations can be nasty to handle, therefore we recommend using webpack-merge if you want to extend one of the existing Webpack configurations.

    The following example shows how to overwrite / extend the webpack configurations:


    "name": "my-application",
    "version": "1.0.0",
    "hops": {
      "buildConfig": "./path-to-my-custom-webpack-config/build.js",
      "developConfig": "./path-to-my-custom-webpack-config/develop.js",
      "nodeConfig": "./path-to-my-custom-webpack-config/node.js"


    var webpack = require('webpack');
    var hopsBuildConfig = require('hops-build-config/configs/build');
    var merge = require('webpack-merge');
    var myCustomBuildConfig = {
      plugins: [
        new webpack.EnvironmentPlugin({
          MY_CUSTOM_ENV: 'myFallbackValue',
    module.exports = merge.strategy(
      { plugins: 'append' },

    Please head over to the documentation of webpack-merge to see the full list of merge strategies to help you decide which one to use.

    Default configuration

    hops-build-config provides a minimal, yet convenient default configuration. Furthermore, when starting a development server, source maps will be generated.



    PostCSS in Hops is configured to use cssnext and CSS modules by default.


    File type Loader action
    graphql gql Files of these types are interpreted as GraphQL. You need to manually install Hops' GraphQL for this to work
    html svg otf ttf woff woff2 ico Files of these types are emitted to the directory defined in assetPath
    png gif jpeg jpg webp Same as above, except when a file of this type is smaller than 10kb in size. In that case, it will be converted to a base64-encoded data URL and embedded inline
    json Files of this type are loaded and their content is returned
    tpl Files of this type are parsed by _.template and their content is returned as a function. By providing such a file, you can for example override the default template provided by hops-react


    npm i hops-build-config

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