next.config.mjs

import { withBotId } from 'botid/next/config';
import { withSentryConfig } from '@sentry/nextjs';
import path from 'path';
import { fileURLToPath } from 'url';

import { createSentryBuildConfig } from './sentry/config.mjs';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const ADDRESS_ALIASES = ['account', 'accounts', 'addresses'];
const TX_ALIASES = ['txs', 'txn', 'txns', 'transaction', 'transactions'];
const SUPPLY_ALIASES = ['accounts', 'accounts/top'];

/** @type {import('next').NextConfig} */
const nextConfig = {
    // Use separate build directory for dev server to avoid conflicts with production builds
    distDir: process.env.NODE_ENV === 'production' ? '.next' : '.next-dev',
    experimental: {
        // FIXME: https://nextjs.org/docs/messages/missing-suspense-with-csr-bailout
        missingSuspenseWithCSRBailout: false,
    },
    images: {
        remotePatterns: [
            {
                hostname: 'raw.githubusercontent.com',
                pathname: '/solana-labs/token-list/main/assets/**',
                port: '',
                protocol: 'https',
            },
        ],
    },
    async headers() {
        const seoFileHeaders = [
            {
                key: 'Cache-Control',
                value: 'public, max-age=3600, stale-while-revalidate=86400',
            },
        ];

        return [
            { source: '/robots.txt', headers: seoFileHeaders },
            { source: '/sitemap.xml', headers: seoFileHeaders },
            { source: '/default-sitemap.xml', headers: seoFileHeaders },
            { source: '/accounts-sitemap.xml', headers: seoFileHeaders },
        ];
    },
    async redirects() {
        return [
            // Leave this above `ADDRESS_ALIASES`, since it also provides an alias for `/accounts`.
            ...SUPPLY_ALIASES.map(oldRoot => ({
                destination: '/supply',
                permanent: true,
                source: '/' + oldRoot,
            })),
            ...ADDRESS_ALIASES.flatMap(oldRoot =>
                [':address', ':address/:tab'].map(path => ({
                    destination: '/' + ['address', path].join('/'),
                    permanent: true,
                    source: '/' + [oldRoot, path].join('/'),
                })),
            ),
            ...TX_ALIASES.map(oldRoot => ({
                destination: '/' + ['tx', ':signature'].join('/'),
                permanent: true,
                source: '/' + [oldRoot, ':signature'].join('/'),
            })),
            {
                destination: '/address/:address',
                permanent: true,
                source: '/address/:address/history',
            },
        ];
    },
    webpack: (config, { isServer }) => {
        config.resolve.alias = {
            ...(config.resolve.alias || {}),
            borsh: path.resolve(__dirname, 'node_modules/borsh'), // force legacy version
        };

        if (!isServer) {
            // Fixes npm packages that depend on `fs` module like `@project-serum/anchor`.
            config.resolve.fallback.fs = false;
        }

        return config;
    },
};

/// Add wrapper to track errors with Sentry and BotID for bot protection
export default withBotId(withSentryConfig(nextConfig, createSentryBuildConfig()));