next.config.mjs

import createBundleAnalyzer from '@next/bundle-analyzer'

const withBundleAnalyzer = createBundleAnalyzer({
  enabled: process.env.ANALYZE === 'true',
})

/** @type {import('next').NextConfig} */
const nextConfig = {
  experimental: {
    optimizePackageImports: ['@mantine/core', '@mantine/hooks'],
  },
  sassOptions: {
    prependData: `@import "./src/lib/styles/styles.scss";`,
  },
  webpack(config) {
    // Grab the existing rule that handles SVG imports
    const fileLoaderRule = config.module.rules.find((rule) =>
      rule.test?.test?.('.svg'),
    )

    config.module.rules.push(
      // Reapply the existing rule, but only for svg imports ending in ?url
      {
        ...fileLoaderRule,
        test: /\.svg$/i,
        resourceQuery: /url/, // *.svg?url
      },
      // Convert all other *.svg imports to React components
      {
        test: /\.svg$/i,
        issuer: fileLoaderRule.issuer,
        resourceQuery: {not: [...fileLoaderRule.resourceQuery.not, /url/]}, // exclude if *.svg?url
        use: ['@svgr/webpack'],
      },
    )

    // Modify the file loader rule to ignore *.svg, since we have it handled now.
    fileLoaderRule.exclude = /\.svg$/i

    return config
  },

  // ...other config
}

export default withBundleAnalyzer(nextConfig)