Compose Next.js plugins without nesting and additional variables

composePlugins.js

function isPlugin(maybePlugin) {
  return typeof maybePlugin === 'function'
}

function composePlugins(...plugins) {
  return (baseConfig) => plugins
    .filter(isPlugin)
    .reduce((c, plugin) => plugin(c), baseConfig)
}

// Usage

const pluginWrapper = composePlugins(
  process.env.ANALYZE && require('@next/bundle-analyzer')({ enabled: process.env.ANALYZE === 'true' }),
)

const config = {
  reactStrictMode: false,
}

module.exports = pluginWrapper(config)