SolidJS•2mo ago

ReferenceError: exports is not defined when using islands on dev

First of all, congrats on the v1 launch 🎉 ! I have been playing around over the weekend and hit a snag where I am getting this error log from a node_module exclusively when running islands in development. Using build & start, everything works just fine. I noticed a similar error reported back in 2022 (https://github.com/solidjs/solid-start/issues/221). I'm curious if anyone has figured out the root cause of this yet. Full Error:

[vite] Error when evaluating SSR module /node_modules/.pnpm/@supabase+node-fetch@2.6.15/node_modules/@supabase/node-fetch/lib/index.js:
|- ReferenceError: exports is not defined

[vite] Error when evaluating SSR module /node_modules/.pnpm/@supabase+node-fetch@2.6.15/node_modules/@supabase/node-fetch/lib/index.js:
|- ReferenceError: exports is not defined

1 Reply

jtag05•2mo ago

For anyone that hits this in the future. The resolution was to tell vite that this dependency is an external in your app.config.ts

export default defineConfig({
  ssr: true,
  experimental: {
    islands: true,
  },
  vite: {
    ssr: {
      external: ["@supabase/ssr"], // Or whatever dependency is throwing this for you.
    },
  },
});

export default defineConfig({
  ssr: true,
  experimental: {
    islands: true,
  },
  vite: {
    ssr: {
      external: ["@supabase/ssr"], // Or whatever dependency is throwing this for you.
    },
  },
});

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ReferenceError: exports is not defined when using islands on dev