Module not found Can't resolve 'fs'

I am running into this error:

Module not found: Can't resolve 'fs'
> 1 | const fs = require("fs")

Module not found: Can't resolve 'fs'
> 1 | const fs = require("fs")

I read that it can be fixed like so in next.config:

module.exports = {
  webpack: (config, { isServer }) => {
    // Fixes npm packages that depend on `fs` module
    if (!isServer) {
      config.node = {
        fs: 'empty'
      }
    }

    return config
  }
}

module.exports = {
  webpack: (config, { isServer }) => {
    // Fixes npm packages that depend on `fs` module
    if (!isServer) {
      config.node = {
        fs: 'empty'
      }
    }

    return config
  }
}

Being the noob that I am, I don't know how to translate into the next.config in the t3 stack (next.config.mjs):

// @ts-check
import { env } from "./src/env/server.mjs";

/**
 * Don't be scared of the generics here.
 * All they do is to give us autocompletion when using this.
 *
 * @template {import('next').NextConfig} T
 * @param {T} config - A generic parameter that flows through to the return type
 * @constraint {{import('next').NextConfig}}
 */
function defineNextConfig(config) {
  return config;
}

export default defineNextConfig({
  reactStrictMode: true,
  swcMinify: true,
  // Next.js i18n docs: https://nextjs.org/docs/advanced-features/i18n-routing
  i18n: {
    locales: ["en"],
    defaultLocale: "en",
  },
});

// @ts-check
import { env } from "./src/env/server.mjs";

/**
 * Don't be scared of the generics here.
 * All they do is to give us autocompletion when using this.
 *
 * @template {import('next').NextConfig} T
 * @param {T} config - A generic parameter that flows through to the return type
 * @constraint {{import('next').NextConfig}}
 */
function defineNextConfig(config) {
  return config;
}

export default defineNextConfig({
  reactStrictMode: true,
  swcMinify: true,
  // Next.js i18n docs: https://nextjs.org/docs/advanced-features/i18n-routing
  i18n: {
    locales: ["en"],
    defaultLocale: "en",
  },
});

? Tried to do this, but didn't work:

function defineNextConfig(config) {
  if (!isServer) {
    config.node = {
      fs: 'empty'
    }
  }
  return config;
}

function defineNextConfig(config) {
  if (!isServer) {
    config.node = {
      fs: 'empty'
    }
  }
  return config;
}

1 Reply

Unknown User•3y ago

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Module not found Can't resolve 'fs'