gatsby-node.js

/*
 * Copyright 2020 Adobe. All rights reserved.
 * This file is licensed to you under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License. You may obtain a copy
 * of the License at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under
 * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
 * OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */

const { merge } = require('webpack-merge');
const { NODE_ENV } = process.env;

if (NODE_ENV === 'production') {
  exports.onCreateWebpackConfig = ({ stage, actions, getConfig }) => {
    function getOutput() {
      switch (stage) {
        case `develop`:
          return {
            filename: `dev-site-assets/[id].js`,
          }
        case `build-javascript`:
          return {
            filename: `dev-site-assets/[contenthash].js`,
            chunkFilename: `dev-site-assets/[contenthash].js`,
          }
      }
    }
    actions.replaceWebpackConfig(merge(getConfig(), { output: getOutput() }))
  };
}