@studiometa/webpack-config/src/presets/hash.js

A basic webpack config

/**
 * With hash preset.
 * @returns {import('./index').Preset}
 */
export default function hash() {
  return {
    name: 'hash',
    async handler(config, { extendWebpack, isDev }) {
      if (isDev) {
        return;
      }

      await extendWebpack(config, async (webpackConfig) => {
        webpackConfig.output.filename = '[name].[contenthash].js';
      });
    },
  };
}